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New Arcade ->Dottori Kun

This commit is contained in:
Gehstock
2018-09-30 16:36:04 +02:00
parent 1eafce18f6
commit 340489f6d3
29 changed files with 7877 additions and 2 deletions

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Copyright (c) 1998, Regents of the University of California
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the University of California, Berkeley nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Sega's Dottori-Kun in Verilog done by furrtek
https://github.com/furrtek/DottoriLog
Based on information from Chris Covell: http://www.chrismcovell.com/dottorikun.html
Uses the TV80 Z80 core by Guy Hutchison.
Usage F1: Test Mode(Switch Items with F2 and select with F1)
F2: Start
Space: Button1(or Joystick Button(1))
ESC: Button2(or Joystick Button(2))
Movement Arrow Keys or Joystick1 or Joystick2

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@echo off
del /s *.bak
del /s *.orig
del /s *.rej
del /s *~
del /s PLLJ_PLLSPE_INFO.txt
rmdir /s /q db
rmdir /s /q incremental_db
rmdir /s /q output_files
rmdir /s /q simulation
rmdir /s /q greybox_tmp
rmdir /s /q hc_output
rmdir /s /q .qsys_edit
rmdir /s /q hps_isw_handoff
rmdir /s /q sys\.qsys_edit
rmdir /s /q sys\vip
cd sys
for /d %%i in (*_sim) do rmdir /s /q "%%~nxi"
cd ..
for /d %%i in (*_sim) do rmdir /s /q "%%~nxi"
del build_id.v
del c5_pin_model_dump.txt
del PLLJ_PLLSPE_INFO.txt
del /s *.qws
del /s *.ppf
del /s *.ddb
del /s *.csv
del /s *.cmp
del /s *.sip
del /s *.spd
del /s *.bsf
del /s *.f
del /s *.sopcinfo
del /s *.xml
del /s new_rtl_netlist
del /s old_rtl_netlist
pause

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# -------------------------------------------------------------------------- #
#
# Copyright (C) 1991-2012 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any output files from any of the foregoing
# (including device programming or simulation files), and any
# associated documentation or information are expressly subject
# to the terms and conditions of the Altera Program License
# Subscription Agreement, Altera MegaCore Function License
# Agreement, or other applicable license agreement, including,
# without limitation, that your use is for the sole purpose of
# programming logic devices manufactured by Altera and sold by
# Altera or its authorized distributors. Please refer to the
# applicable agreement for further details.
#
# -------------------------------------------------------------------------- #
#
# Quartus II 32-bit
# Version 12.0 Build 178 05/31/2012 SJ Web Edition
# Date created = 13:44:34 August 14, 2017
#
# -------------------------------------------------------------------------- #
QUARTUS_VERSION = "12.0"
DATE = "13:44:34 August 14, 2017"
# Revisions
PROJECT_REVISION = "dottorilog"
PROJECT_REVISION = "VGATest"

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# -------------------------------------------------------------------------- #
#
# Copyright (C) 1991-2013 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions
# and other software and tools, and its AMPP partner logic
# functions, and any output files from any of the foregoing
# (including device programming or simulation files), and any
# associated documentation or information are expressly subject
# to the terms and conditions of the Altera Program License
# Subscription Agreement, Altera MegaCore Function License
# Agreement, or other applicable license agreement, including,
# without limitation, that your use is for the sole purpose of
# programming logic devices manufactured by Altera and sold by
# Altera or its authorized distributors. Please refer to the
# applicable agreement for further details.
#
# -------------------------------------------------------------------------- #
#
# Quartus II 64-Bit
# Version 13.0.1 Build 232 06/12/2013 Service Pack 1 SJ Full Version
# Date created = 22:56:33 September 18, 2018
#
# -------------------------------------------------------------------------- #
#
# Notes:
#
# 1) The default values for assignments are stored in the file:
# dottorilog_assignment_defaults.qdf
# If this file doesn't exist, see file:
# assignment_defaults.qdf
#
# 2) Altera recommends that you do not modify this file. This
# file is updated automatically by the Quartus II software
# and any changes you make may be lost or overwritten.
#
# -------------------------------------------------------------------------- #
# Project-Wide Assignments
# ========================
set_global_assignment -name ORIGINAL_QUARTUS_VERSION 12.0
set_global_assignment -name PROJECT_CREATION_TIME_DATE "13:44:34 AUGUST 14, 2017"
set_global_assignment -name LAST_QUARTUS_VERSION "13.0 SP1"
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
set_global_assignment -name SYSTEMVERILOG_FILE rtl/DottoriLog_mist.sv
set_global_assignment -name VERILOG_FILE rtl/dottori.v
set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv
set_global_assignment -name VERILOG_FILE rtl/scandoubler.v
set_global_assignment -name VERILOG_FILE rtl/ROM.v
set_global_assignment -name VERILOG_FILE rtl/RAM.v
set_global_assignment -name VERILOG_FILE rtl/pll.v
set_global_assignment -name VERILOG_FILE rtl/osd.v
set_global_assignment -name VERILOG_FILE rtl/mist_io.v
set_global_assignment -name SYSTEMVERILOG_FILE rtl/hq2x.sv
set_global_assignment -name VERILOG_FILE rtl/tv80/tv80_reg.v
set_global_assignment -name VERILOG_FILE rtl/tv80/tv80_mcode.v
set_global_assignment -name VERILOG_FILE rtl/tv80/tv80_core.v
set_global_assignment -name VERILOG_FILE rtl/tv80/tv80_alu.v
set_global_assignment -name VERILOG_FILE rtl/tv80/cpu_z80.v
set_global_assignment -name SYSTEMVERILOG_FILE rtl/keyboard.sv
# Classic Timing Assignments
# ==========================
set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
set_global_assignment -name TIMEQUEST_MULTICORNER_ANALYSIS ON
set_global_assignment -name TIMEQUEST_DO_CCPP_REMOVAL ON
# Analysis & Synthesis Assignments
# ================================
set_global_assignment -name FAMILY "Cyclone III"
set_global_assignment -name TOP_LEVEL_ENTITY DottoriLog_mist
set_global_assignment -name DEVICE_FILTER_PACKAGE TQFP
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
# Fitter Assignments
# ==================
set_global_assignment -name DEVICE EP3C25E144C8
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
# Assembler Assignments
# =====================
set_global_assignment -name USE_CONFIGURATION_DEVICE OFF
set_global_assignment -name STRATIX_CONFIGURATION_DEVICE EPCS4
# Power Estimation Assignments
# ============================
set_global_assignment -name POWER_PRESET_COOLING_SOLUTION "23 MM HEAT SINK WITH 200 LFPM AIRFLOW"
set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)"
# start DESIGN_PARTITION(Top)
# ---------------------------
# Incremental Compilation Assignments
# ===================================
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -entity DE1_Default -section_id Top
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -entity DE1_Default -section_id Top
set_global_assignment -name PARTITION_COLOR 16764057 -entity DE1_Default -section_id Top
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -entity DE1_Default -section_id Top
# end DESIGN_PARTITION(Top)
# -------------------------
# Pin & Location Assignments
# ==========================
set_location_assignment PIN_7 -to LED
set_location_assignment PIN_54 -to CLOCK_27
set_location_assignment PIN_144 -to VGA_R[5]
set_location_assignment PIN_143 -to VGA_R[4]
set_location_assignment PIN_142 -to VGA_R[3]
set_location_assignment PIN_141 -to VGA_R[2]
set_location_assignment PIN_137 -to VGA_R[1]
set_location_assignment PIN_135 -to VGA_R[0]
set_location_assignment PIN_133 -to VGA_B[5]
set_location_assignment PIN_132 -to VGA_B[4]
set_location_assignment PIN_125 -to VGA_B[3]
set_location_assignment PIN_121 -to VGA_B[2]
set_location_assignment PIN_120 -to VGA_B[1]
set_location_assignment PIN_115 -to VGA_B[0]
set_location_assignment PIN_114 -to VGA_G[5]
set_location_assignment PIN_113 -to VGA_G[4]
set_location_assignment PIN_112 -to VGA_G[3]
set_location_assignment PIN_111 -to VGA_G[2]
set_location_assignment PIN_110 -to VGA_G[1]
set_location_assignment PIN_106 -to VGA_G[0]
set_location_assignment PIN_136 -to VGA_VS
set_location_assignment PIN_119 -to VGA_HS
set_location_assignment PIN_65 -to AUDIO_L
set_location_assignment PIN_80 -to AUDIO_R
set_location_assignment PIN_46 -to UART_TX
set_location_assignment PIN_31 -to UART_RX
set_location_assignment PIN_105 -to SPI_DO
set_location_assignment PIN_88 -to SPI_DI
set_location_assignment PIN_126 -to SPI_SCK
set_location_assignment PIN_127 -to SPI_SS2
set_location_assignment PIN_91 -to SPI_SS3
set_location_assignment PIN_90 -to SPI_SS4
set_location_assignment PIN_13 -to CONF_DATA0
# -----------------------------
# start ENTITY(DottoriLog_mist)
# start DESIGN_PARTITION(Top)
# ---------------------------
# Incremental Compilation Assignments
# ===================================
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
# end DESIGN_PARTITION(Top)
# -------------------------
# end ENTITY(DottoriLog_mist)
# ---------------------------
# -----------------
# start ENTITY(top)
# end ENTITY(top)
# ---------------
set_global_assignment -name CYCLONEIII_CONFIGURATION_SCHEME "PASSIVE SERIAL"
set_global_assignment -name GENERATE_RBF_FILE ON
set_global_assignment -name CRC_ERROR_OPEN_DRAIN OFF
set_global_assignment -name FORCE_CONFIGURATION_VCCIO ON
set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_DATA0_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_DATA1_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_DATA7_THROUGH_DATA2_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_FLASH_NCE_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_OTHER_AP_PINS_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_DCLK_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCCIO" -rise
set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCCIO" -fall
set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -rise
set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -fall
set_global_assignment -name CDF_FILE output_files/Chain1.cdf
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

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module DottoriLog_mist(
output LED,
output [5:0] VGA_R,
output [5:0] VGA_G,
output [5:0] VGA_B,
output VGA_HS,
output VGA_VS,
output AUDIO_L,
output AUDIO_R,
input SPI_SCK,
output SPI_DO,
input SPI_DI,
input SPI_SS2,
input SPI_SS3,
input CONF_DATA0,
input CLOCK_27
);
`include "rtl\build_id.sv"
localparam CONF_STR = {
"DottoriLog;;",
"O34,Scandoubler Fx,None,HQ2x,CRT 25%,CRT 50%;",
"T6,Reset;",
"V,v1.00.",`BUILD_DATE
};
wire [31:0] status;
wire [1:0] buttons;
wire [1:0] switches;
wire [9:0] kbjoy;
wire [7:0] joy0, joy1;
wire scandoubler_disable;
wire ypbpr;
wire ps2_kbd_clk, ps2_kbd_data;
wire [7:0] audio;
wire video;
wire clk_32, clk_8, clk_4;
pll pll
(
.inclk0(CLOCK_27),
.c0(clk_32),
.c1(clk_8),
.c2(clk_4)
);
dottori dottori (
.CLK_4M(clk_4),
.RED(r),
.GREEN(g),
.BLUE(b),
.vSYNC(vs),
.hSYNC(hs),
.nRESET(~(status[0] | status[6] | buttons[1])),
.BUTTONS({ ~(kbjoy[5]), //Test Mode
~(kbjoy[6]), //Start
~(joy0[5] | joy1[5] | kbjoy[7]), //Button 2 - Pause
~(joy0[4] | joy1[4] | kbjoy[4]), //Button 1
~(joy0[0] | joy1[0] | kbjoy[0]), //Right
~(joy0[1] | joy1[1] | kbjoy[1]), //Left
~(joy0[2] | joy1[2] | kbjoy[2]), //Down
~(joy0[3] | joy1[3] | kbjoy[3])})//Up
);
wire hs;
wire vs;
video_mixer #(.LINE_LENGTH(480), .HALF_DEPTH(1)) video_mixer
(
.clk_sys(clk_32),
.ce_pix(clk_8),
.ce_pix_actual(clk_8),
.SPI_SCK(SPI_SCK),
.SPI_SS3(SPI_SS3),
.SPI_DI(SPI_DI),
.R({r,r,r}),
.G({g,g,g}),
.B({b,b,b}),
.HSync(hs),
.VSync(vs),
.VGA_R(VGA_R),
.VGA_G(VGA_G),
.VGA_B(VGA_B),
.VGA_VS(VGA_VS),
.VGA_HS(VGA_HS),
.scandoubler_disable(scandoubler_disable),
.scanlines(scandoubler_disable ? 2'b00 : {status[4:3] == 3, status[4:3] == 2}),
.hq2x(status[4:3]==1),
.ypbpr_full(1),
.line_start(0),
.mono(1)
);
mist_io #(.STRLEN(($size(CONF_STR)>>3))) mist_io
(
.clk_sys (clk_32 ),
.conf_str (CONF_STR ),
.SPI_SCK (SPI_SCK ),
.CONF_DATA0 (CONF_DATA0 ),
.SPI_SS2 (SPI_SS2 ),
.SPI_DO (SPI_DO ),
.SPI_DI (SPI_DI ),
.buttons (buttons ),
.switches (switches ),
.scandoubler_disable(scandoubler_disable),
.ypbpr (ypbpr ),
.ps2_kbd_clk (ps2_kbd_clk ),
.ps2_kbd_data (ps2_kbd_data ),
.joystick_0 (joy0 ),
.joystick_1 (joy1 ),
.status (status )
);
keyboard keyboard(
.clk(clk_32),
.reset(),
.ps2_kbd_clk(ps2_kbd_clk),
.ps2_kbd_data(ps2_kbd_data),
.joystick(kbjoy)
);
endmodule

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// megafunction wizard: %RAM: 1-PORT%
// GENERATION: STANDARD
// VERSION: WM1.0
// MODULE: altsyncram
// ============================================================
// File Name: RAM.v
// Megafunction Name(s):
// altsyncram
//
// Simulation Library Files(s):
// altera_mf
// ============================================================
// ************************************************************
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
//
// 12.0 Build 178 05/31/2012 SJ Web Edition
// ************************************************************
//Copyright (C) 1991-2012 Altera Corporation
//Your use of Altera Corporation's design tools, logic functions
//and other software and tools, and its AMPP partner logic
//functions, and any output files from any of the foregoing
//(including device programming or simulation files), and any
//associated documentation or information are expressly subject
//to the terms and conditions of the Altera Program License
//Subscription Agreement, Altera MegaCore Function License
//Agreement, or other applicable license agreement, including,
//without limitation, that your use is for the sole purpose of
//programming logic devices manufactured by Altera and sold by
//Altera or its authorized distributors. Please refer to the
//applicable agreement for further details.
// synopsys translate_off
`timescale 1 ps / 1 ps
// synopsys translate_on
module RAM (
address,
clock,
data,
wren,
q);
input [10:0] address;
input clock;
input [7:0] data;
input wren;
output [7:0] q;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_off
`endif
tri1 clock;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_on
`endif
wire [7:0] sub_wire0;
wire [7:0] q = sub_wire0[7:0];
altsyncram altsyncram_component (
.address_a (address),
.clock0 (clock),
.data_a (data),
.wren_a (wren),
.q_a (sub_wire0),
.aclr0 (1'b0),
.aclr1 (1'b0),
.address_b (1'b1),
.addressstall_a (1'b0),
.addressstall_b (1'b0),
.byteena_a (1'b1),
.byteena_b (1'b1),
.clock1 (1'b1),
.clocken0 (1'b1),
.clocken1 (1'b1),
.clocken2 (1'b1),
.clocken3 (1'b1),
.data_b (1'b1),
.eccstatus (),
.q_b (),
.rden_a (1'b1),
.rden_b (1'b1),
.wren_b (1'b0));
defparam
altsyncram_component.clock_enable_input_a = "BYPASS",
altsyncram_component.clock_enable_output_a = "BYPASS",
altsyncram_component.intended_device_family = "Cyclone II",
altsyncram_component.lpm_hint = "ENABLE_RUNTIME_MOD=NO",
altsyncram_component.lpm_type = "altsyncram",
altsyncram_component.numwords_a = 2048,
altsyncram_component.operation_mode = "SINGLE_PORT",
altsyncram_component.outdata_aclr_a = "NONE",
altsyncram_component.outdata_reg_a = "UNREGISTERED",
altsyncram_component.power_up_uninitialized = "FALSE",
altsyncram_component.widthad_a = 11,
altsyncram_component.width_a = 8,
altsyncram_component.width_byteena_a = 1;
endmodule
// ============================================================
// CNX file retrieval info
// ============================================================
// Retrieval info: PRIVATE: ADDRESSSTALL_A NUMERIC "0"
// Retrieval info: PRIVATE: AclrAddr NUMERIC "0"
// Retrieval info: PRIVATE: AclrByte NUMERIC "0"
// Retrieval info: PRIVATE: AclrData NUMERIC "0"
// Retrieval info: PRIVATE: AclrOutput NUMERIC "0"
// Retrieval info: PRIVATE: BYTE_ENABLE NUMERIC "0"
// Retrieval info: PRIVATE: BYTE_SIZE NUMERIC "8"
// Retrieval info: PRIVATE: BlankMemory NUMERIC "1"
// Retrieval info: PRIVATE: CLOCK_ENABLE_INPUT_A NUMERIC "0"
// Retrieval info: PRIVATE: CLOCK_ENABLE_OUTPUT_A NUMERIC "0"
// Retrieval info: PRIVATE: Clken NUMERIC "0"
// Retrieval info: PRIVATE: DataBusSeparated NUMERIC "1"
// Retrieval info: PRIVATE: IMPLEMENT_IN_LES NUMERIC "0"
// Retrieval info: PRIVATE: INIT_FILE_LAYOUT STRING "PORT_A"
// Retrieval info: PRIVATE: INIT_TO_SIM_X NUMERIC "0"
// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
// Retrieval info: PRIVATE: JTAG_ENABLED NUMERIC "0"
// Retrieval info: PRIVATE: JTAG_ID STRING "NONE"
// Retrieval info: PRIVATE: MAXIMUM_DEPTH NUMERIC "0"
// Retrieval info: PRIVATE: MIFfilename STRING ""
// Retrieval info: PRIVATE: NUMWORDS_A NUMERIC "2048"
// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "0"
// Retrieval info: PRIVATE: READ_DURING_WRITE_MODE_PORT_A NUMERIC "3"
// Retrieval info: PRIVATE: RegAddr NUMERIC "1"
// Retrieval info: PRIVATE: RegData NUMERIC "1"
// Retrieval info: PRIVATE: RegOutput NUMERIC "0"
// Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
// Retrieval info: PRIVATE: SingleClock NUMERIC "1"
// Retrieval info: PRIVATE: UseDQRAM NUMERIC "1"
// Retrieval info: PRIVATE: WRCONTROL_ACLR_A NUMERIC "0"
// Retrieval info: PRIVATE: WidthAddr NUMERIC "11"
// Retrieval info: PRIVATE: WidthData NUMERIC "8"
// Retrieval info: PRIVATE: rden NUMERIC "0"
// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
// Retrieval info: CONSTANT: CLOCK_ENABLE_INPUT_A STRING "BYPASS"
// Retrieval info: CONSTANT: CLOCK_ENABLE_OUTPUT_A STRING "BYPASS"
// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
// Retrieval info: CONSTANT: LPM_HINT STRING "ENABLE_RUNTIME_MOD=NO"
// Retrieval info: CONSTANT: LPM_TYPE STRING "altsyncram"
// Retrieval info: CONSTANT: NUMWORDS_A NUMERIC "2048"
// Retrieval info: CONSTANT: OPERATION_MODE STRING "SINGLE_PORT"
// Retrieval info: CONSTANT: OUTDATA_ACLR_A STRING "NONE"
// Retrieval info: CONSTANT: OUTDATA_REG_A STRING "UNREGISTERED"
// Retrieval info: CONSTANT: POWER_UP_UNINITIALIZED STRING "FALSE"
// Retrieval info: CONSTANT: WIDTHAD_A NUMERIC "11"
// Retrieval info: CONSTANT: WIDTH_A NUMERIC "8"
// Retrieval info: CONSTANT: WIDTH_BYTEENA_A NUMERIC "1"
// Retrieval info: USED_PORT: address 0 0 11 0 INPUT NODEFVAL "address[10..0]"
// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT VCC "clock"
// Retrieval info: USED_PORT: data 0 0 8 0 INPUT NODEFVAL "data[7..0]"
// Retrieval info: USED_PORT: q 0 0 8 0 OUTPUT NODEFVAL "q[7..0]"
// Retrieval info: USED_PORT: wren 0 0 0 0 INPUT NODEFVAL "wren"
// Retrieval info: CONNECT: @address_a 0 0 11 0 address 0 0 11 0
// Retrieval info: CONNECT: @clock0 0 0 0 0 clock 0 0 0 0
// Retrieval info: CONNECT: @data_a 0 0 8 0 data 0 0 8 0
// Retrieval info: CONNECT: @wren_a 0 0 0 0 wren 0 0 0 0
// Retrieval info: CONNECT: q 0 0 8 0 @q_a 0 0 8 0
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM.v TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM.inc FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM.cmp FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM.bsf FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM_inst.v FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL RAM_bb.v TRUE
// Retrieval info: LIB_FILE: altera_mf

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// megafunction wizard: %ROM: 1-PORT%
// GENERATION: STANDARD
// VERSION: WM1.0
// MODULE: altsyncram
// ============================================================
// File Name: ROM.v
// Megafunction Name(s):
// altsyncram
//
// Simulation Library Files(s):
// altera_mf
// ============================================================
// ************************************************************
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
//
// 12.0 Build 178 05/31/2012 SJ Web Edition
// ************************************************************
//Copyright (C) 1991-2012 Altera Corporation
//Your use of Altera Corporation's design tools, logic functions
//and other software and tools, and its AMPP partner logic
//functions, and any output files from any of the foregoing
//(including device programming or simulation files), and any
//associated documentation or information are expressly subject
//to the terms and conditions of the Altera Program License
//Subscription Agreement, Altera MegaCore Function License
//Agreement, or other applicable license agreement, including,
//without limitation, that your use is for the sole purpose of
//programming logic devices manufactured by Altera and sold by
//Altera or its authorized distributors. Please refer to the
//applicable agreement for further details.
// synopsys translate_off
`timescale 1 ps / 1 ps
// synopsys translate_on
module ROM (
address,
clock,
q);
input [11:0] address;
input clock;
output [7:0] q;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_off
`endif
tri1 clock;
`ifndef ALTERA_RESERVED_QIS
// synopsys translate_on
`endif
wire [7:0] sub_wire0;
wire [7:0] q = sub_wire0[7:0];
altsyncram altsyncram_component (
.address_a (address),
.clock0 (clock),
.q_a (sub_wire0),
.aclr0 (1'b0),
.aclr1 (1'b0),
.address_b (1'b1),
.addressstall_a (1'b0),
.addressstall_b (1'b0),
.byteena_a (1'b1),
.byteena_b (1'b1),
.clock1 (1'b1),
.clocken0 (1'b1),
.clocken1 (1'b1),
.clocken2 (1'b1),
.clocken3 (1'b1),
.data_a ({8{1'b1}}),
.data_b (1'b1),
.eccstatus (),
.q_b (),
.rden_a (1'b1),
.rden_b (1'b1),
.wren_a (1'b0),
.wren_b (1'b0));
defparam
altsyncram_component.clock_enable_input_a = "BYPASS",
altsyncram_component.clock_enable_output_a = "BYPASS",
`ifdef NO_PLI
altsyncram_component.init_file = "dottori.rif"
`else
altsyncram_component.init_file = "dottori.hex"
`endif
,
altsyncram_component.intended_device_family = "Cyclone II",
altsyncram_component.lpm_hint = "ENABLE_RUNTIME_MOD=NO",
altsyncram_component.lpm_type = "altsyncram",
altsyncram_component.numwords_a = 4096,
altsyncram_component.operation_mode = "ROM",
altsyncram_component.outdata_aclr_a = "NONE",
altsyncram_component.outdata_reg_a = "UNREGISTERED",
altsyncram_component.widthad_a = 12,
altsyncram_component.width_a = 8,
altsyncram_component.width_byteena_a = 1;
endmodule
// ============================================================
// CNX file retrieval info
// ============================================================
// Retrieval info: PRIVATE: ADDRESSSTALL_A NUMERIC "0"
// Retrieval info: PRIVATE: AclrAddr NUMERIC "0"
// Retrieval info: PRIVATE: AclrByte NUMERIC "0"
// Retrieval info: PRIVATE: AclrOutput NUMERIC "0"
// Retrieval info: PRIVATE: BYTE_ENABLE NUMERIC "0"
// Retrieval info: PRIVATE: BYTE_SIZE NUMERIC "8"
// Retrieval info: PRIVATE: BlankMemory NUMERIC "0"
// Retrieval info: PRIVATE: CLOCK_ENABLE_INPUT_A NUMERIC "0"
// Retrieval info: PRIVATE: CLOCK_ENABLE_OUTPUT_A NUMERIC "0"
// Retrieval info: PRIVATE: Clken NUMERIC "0"
// Retrieval info: PRIVATE: IMPLEMENT_IN_LES NUMERIC "0"
// Retrieval info: PRIVATE: INIT_FILE_LAYOUT STRING "PORT_A"
// Retrieval info: PRIVATE: INIT_TO_SIM_X NUMERIC "0"
// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
// Retrieval info: PRIVATE: JTAG_ENABLED NUMERIC "0"
// Retrieval info: PRIVATE: JTAG_ID STRING "NONE"
// Retrieval info: PRIVATE: MAXIMUM_DEPTH NUMERIC "0"
// Retrieval info: PRIVATE: MIFfilename STRING "dottori.hex"
// Retrieval info: PRIVATE: NUMWORDS_A NUMERIC "4096"
// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "0"
// Retrieval info: PRIVATE: RegAddr NUMERIC "1"
// Retrieval info: PRIVATE: RegOutput NUMERIC "0"
// Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
// Retrieval info: PRIVATE: SingleClock NUMERIC "1"
// Retrieval info: PRIVATE: UseDQRAM NUMERIC "0"
// Retrieval info: PRIVATE: WidthAddr NUMERIC "12"
// Retrieval info: PRIVATE: WidthData NUMERIC "8"
// Retrieval info: PRIVATE: rden NUMERIC "0"
// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
// Retrieval info: CONSTANT: CLOCK_ENABLE_INPUT_A STRING "BYPASS"
// Retrieval info: CONSTANT: CLOCK_ENABLE_OUTPUT_A STRING "BYPASS"
// Retrieval info: CONSTANT: INIT_FILE STRING "dottori.hex"
// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone II"
// Retrieval info: CONSTANT: LPM_HINT STRING "ENABLE_RUNTIME_MOD=NO"
// Retrieval info: CONSTANT: LPM_TYPE STRING "altsyncram"
// Retrieval info: CONSTANT: NUMWORDS_A NUMERIC "4096"
// Retrieval info: CONSTANT: OPERATION_MODE STRING "ROM"
// Retrieval info: CONSTANT: OUTDATA_ACLR_A STRING "NONE"
// Retrieval info: CONSTANT: OUTDATA_REG_A STRING "UNREGISTERED"
// Retrieval info: CONSTANT: WIDTHAD_A NUMERIC "12"
// Retrieval info: CONSTANT: WIDTH_A NUMERIC "8"
// Retrieval info: CONSTANT: WIDTH_BYTEENA_A NUMERIC "1"
// Retrieval info: USED_PORT: address 0 0 12 0 INPUT NODEFVAL "address[11..0]"
// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT VCC "clock"
// Retrieval info: USED_PORT: q 0 0 8 0 OUTPUT NODEFVAL "q[7..0]"
// Retrieval info: CONNECT: @address_a 0 0 12 0 address 0 0 12 0
// Retrieval info: CONNECT: @clock0 0 0 0 0 clock 0 0 0 0
// Retrieval info: CONNECT: q 0 0 8 0 @q_a 0 0 8 0
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM.v TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM.inc FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM.cmp FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM.bsf FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM_inst.v FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL ROM_bb.v TRUE
// Retrieval info: LIB_FILE: altera_mf

View File

@@ -0,0 +1,2 @@
`define BUILD_DATE "180816"
`define BUILD_TIME "200421"

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@@ -0,0 +1,35 @@
# ================================================================================
#
# Build ID Verilog Module Script
# Jeff Wiencrot - 8/1/2011
#
# Generates a Verilog module that contains a timestamp,
# from the current build. These values are available from the build_date, build_time,
# physical_address, and host_name output ports of the build_id module in the build_id.v
# Verilog source file.
#
# ================================================================================
proc generateBuildID_Verilog {} {
# Get the timestamp (see: http://www.altera.com/support/examples/tcl/tcl-date-time-stamp.html)
set buildDate [ clock format [ clock seconds ] -format %y%m%d ]
set buildTime [ clock format [ clock seconds ] -format %H%M%S ]
# Create a Verilog file for output
set outputFileName "sys/build_id.sv"
set outputFile [open $outputFileName "w"]
# Output the Verilog source
puts $outputFile "`define BUILD_DATE \"$buildDate\""
puts $outputFile "`define BUILD_TIME \"$buildTime\""
close $outputFile
# Send confirmation message to the Messages window
post_message "Generated build identification Verilog module: [pwd]/$outputFileName"
post_message "Date: $buildDate"
post_message "Time: $buildTime"
}
# Comment out this line to prevent the process from automatically executing when the file is sourced:
generateBuildID_Verilog

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@@ -0,0 +1,257 @@
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:100F1000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE1
:100F2000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD1
:100F3000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC1
:100F4000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFB1
:100F5000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA1
:100F6000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF91
:100F7000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF81
:100F8000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF71
:100F9000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF61
:100FA000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF51
:100FB000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF41
:100FC000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF31
:100FD000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF21
:100FE000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF11
:100FF000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF01
:00000001FF

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// DottoriLog: A Verilog implementation of Sega's Dottori-Kun
// 2017 Furrtek - Public domain
// Written based on information from Chris Covell
module dottori(
input CLK_4M,
output RED,
output GREEN,
output BLUE,
output vSYNC,
output hSYNC,
input nRESET,
input [7:0] BUTTONS
);
wire [7:0] DATA_BUS; // Z80
wire [15:0] ADDRESS_BUS; // Z80
wire [7:0] ROM_DATA;
wire [7:0] RAM_DATA_OUT;
wire [10:0] RAM_ADDRESS_BUS; // Multiplexed (Z80 and render)
wire nZ80MEMRD; // Low when Z80 reads any memory
wire nLD; // Pulse low @2MHz when Z80 is stalled (read from VRAM)
wire nVRAMWREN; // Low when Z80 is running, allows writing
wire nRAM_RD; // Gated Z80 RAM read
wire nINPUTS_RD; // Low when Z80 reads inputs (port read)
wire nRD, nMREQ, nWR, nIORQ; // Z80
wire nCLK_4M, n4M_4, n4M_8, n4M_16, n4M_32, n4M_64, CLK_4M_128, n4M_128, n4M_1024, n4M_2048;
wire n4M_4096, n4M_8192, CLK_4M_16384, n4M_16384, CLK_4M_32768, n4M_32768;
wire nH_SYNC, V_SYNC;
wire IC16_11, LS08_6, PIXEL;
wire LS10_12, IC4_4, IC10_14;
reg [5:0] PAL_LATCH; // Foreground and background colors
reg [7:0] SHIFT_REG; // 8-pixel line
reg VRAMWREN;
reg nINT; // Z80
reg [3:0] COUNT_IC10; // 4-bit counters
reg [3:0] COUNT_IC11;
reg [3:0] COUNT_IC12;
reg [3:0] COUNT_IC13;
// Half clock delay (125ns)
ROM MEM_ROM(ADDRESS_BUS[11:0], ~CLK_4M, ROM_DATA);
// Half clock delay (125ns)
RAM MEM_RAM(RAM_ADDRESS_BUS, CLK_4M, DATA_BUS, ~nRAM_WR, RAM_DATA_OUT);
assign DATA_BUS = (~nRAM_RD & nRAM_WR & nLD & ADDRESS_BUS[15] & ~nZ80MEMRD) ? RAM_DATA_OUT : // RAM read
(~ADDRESS_BUS[15] & ~nZ80MEMRD) ? ROM_DATA : // ROM read
(~nINPUTS_RD) ? BUTTONS : 8'bzzzzzzzz; // Inputs read
// IC5, IC4: RAM/VRAM write decode and gate
assign nRAM_WR = ~&{ADDRESS_BUS[15], VRAMWREN, ~|{nMREQ, nWR}};
// IC14, IC15, IC16: RAM Z80/Render address switch
assign RAM_ADDRESS_BUS = nLD ? ADDRESS_BUS[10:0] :
{IC16_11, CLK_4M_32768, n4M_16384, n4M_8192, n4M_4096,
n4M_2048, n4M_1024, n4M_128, n4M_64, n4M_32, n4M_16};
// IC16: Z80 RAM read gate
assign nRAM_RD = nLD ? nZ80MEMRD : 1'b0;
// IC6: V-Sync generation
assign V_SYNC = LS08_6 & n4M_4096 & n4M_8192;
// IC3: Z80 memory and port access
assign nZ80MEMRD = nRD | nMREQ;
assign nINPUTS_RD = nRD | nIORQ;
assign nIOWR = nWR | nIORQ;
// IC17: Front/back color latch
always @(posedge nIOWR or negedge nRESET)
begin
if (!nRESET)
PAL_LATCH <= 6'd0;
else
PAL_LATCH <= DATA_BUS[5:0];
end
// IC21: Pixel and sync gate
assign {RED, GREEN, BLUE} = !nH_SYNC ? 3'b000 : PIXEL ? PAL_LATCH[2:0] : PAL_LATCH[5:3]; // 3'd7 : 3'd0;
assign vSYNC = V_SYNC;// ? 1'b0 : nH_SYNC;
assign hSYNC = !nH_SYNC;
// IC22: Pixel line serializer
always @(posedge nCLK_4M)
begin
if (!nLD)
SHIFT_REG <= RAM_DATA_OUT;
else
SHIFT_REG <= {SHIFT_REG[6:0], 1'b0};
end
assign PIXEL = SHIFT_REG[7];
// IC7, IC5: H-Sync generation
assign nH_SYNC = ~(CLK_4M_128 & ~LS10_12);
// IC3: Z80 clock gate during VRAM read
assign CLK_Z80 = CLK_4M | nVRAMWREN;
// IC9B: VRAM write allow signal generation
always @(posedge CLK_4M or negedge nRESET)
begin
if (!nRESET)
VRAMWREN <= 1'b0;
else
VRAMWREN <= ~(~(n4M_8 | n4M_4) & IC4_4);
end
assign nVRAMWREN = ~VRAMWREN;
// IC7: Pixel line load signal
assign nLD = ~(nVRAMWREN & IC10_14);
// IC10: Pixel counter 1
always @(posedge nCLK_4M or negedge nRESET)
begin
if (!nRESET)
COUNT_IC10 <= 4'd0;
else
COUNT_IC10 <= COUNT_IC10 + 1'b1;
end
assign IC10_14 = COUNT_IC10[0];
assign n4M_4 = COUNT_IC10[1];
assign n4M_8 = COUNT_IC10[2];
assign n4M_16 = COUNT_IC10[3];
assign CARRY_A = &{COUNT_IC10};
// IC11: Pixel counter 2
always @(posedge nCLK_4M or negedge nRESET)
begin
if (!nRESET)
COUNT_IC11 <= 4'd0;
else
if (CARRY_A) COUNT_IC11 <= COUNT_IC11 + 1'b1;
end
assign n4M_32 = COUNT_IC11[0];
assign n4M_64 = COUNT_IC11[1];
assign n4M_128 = COUNT_IC11[2];
assign n4M_256 = COUNT_IC11[3];
// IC12: Line counter 1
always @(posedge n4M_128 or negedge nRESET)
begin
if (!nRESET)
COUNT_IC12 <= 4'd0;
else
if (n4M_256) COUNT_IC12 <= COUNT_IC12 + 1'b1;
end
//assign n4M_512 = COUNT_IC12[0];
assign n4M_1024 = COUNT_IC12[1];
assign n4M_2048 = COUNT_IC12[2];
assign n4M_4096 = COUNT_IC12[3];
assign CARRY_B = &{COUNT_IC12, n4M_256};
// IC13: Line counter 2
always @(posedge n4M_128 or negedge nRESET)
begin
if (!nRESET)
COUNT_IC13 <= 4'd0;
else
if (CARRY_B) COUNT_IC13 <= COUNT_IC13 + 1'b1;
end
assign n4M_8192 = COUNT_IC13[0];
assign n4M_16384 = COUNT_IC13[1];
assign n4M_32768 = COUNT_IC13[2];
assign n4M_65536 = COUNT_IC13[3];
assign CARRY_C = &{COUNT_IC13, CARRY_B};
// IC9A: Z80 interrupt (V-Blank) generator
always @(posedge n4M_128)
nINT <= ~CARRY_C;
// IC6 (wrong name, "IC16_11" should be "IC6_11")
assign IC16_11 = n4M_32768 & n4M_65536;
// IC8
assign nCLK_4M = ~CLK_4M;
assign CLK_4M_128 = ~n4M_128;
assign CLK_4M_16384 = ~n4M_16384;
assign CLK_4M_32768 = ~n4M_32768;
// IC4
assign IC4_1 = ~(n4M_32768 | n4M_65536);
assign IC4_4 = ~(IC4_1 | n4M_256);
// IC5: Used for H-Sync
assign LS10_12 = ~&{n4M_32, n4M_64, n4M_256};
// IC6: Used for V-Sync
assign LS08_6 = IC4_1 & CLK_4M_16384;
// IC1: Best CPU :)
cpu_z80 CPU(CLK_Z80, nRESET,
DATA_BUS,
ADDRESS_BUS,
nIORQ, nMREQ,
nRD, nWR,
nINT, 1'b1);
endmodule

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//
//
// Copyright (c) 2012-2013 Ludvig Strigeus
// Copyright (c) 2017 Sorgelig
//
// This program is GPL Licensed. See COPYING for the full license.
//
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
// synopsys translate_off
`timescale 1 ps / 1 ps
// synopsys translate_on
`define BITS_TO_FIT(N) ( \
N <= 2 ? 0 : \
N <= 4 ? 1 : \
N <= 8 ? 2 : \
N <= 16 ? 3 : \
N <= 32 ? 4 : \
N <= 64 ? 5 : \
N <= 128 ? 6 : \
N <= 256 ? 7 : \
N <= 512 ? 8 : \
N <=1024 ? 9 : 10 )
module hq2x_in #(parameter LENGTH, parameter DWIDTH)
(
input clk,
input [AWIDTH:0] rdaddr,
input rdbuf,
output[DWIDTH:0] q,
input [AWIDTH:0] wraddr,
input wrbuf,
input [DWIDTH:0] data,
input wren
);
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
wire [DWIDTH:0] out[2];
assign q = out[rdbuf];
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
hq2x_buf #(.NUMWORDS(LENGTH), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
endmodule
module hq2x_out #(parameter LENGTH, parameter DWIDTH)
(
input clk,
input [AWIDTH:0] rdaddr,
input [1:0] rdbuf,
output[DWIDTH:0] q,
input [AWIDTH:0] wraddr,
input [1:0] wrbuf,
input [DWIDTH:0] data,
input wren
);
localparam AWIDTH = `BITS_TO_FIT(LENGTH*2);
wire [DWIDTH:0] out[4];
assign q = out[rdbuf];
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf0(clk,data,rdaddr,wraddr,wren && (wrbuf == 0),out[0]);
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf1(clk,data,rdaddr,wraddr,wren && (wrbuf == 1),out[1]);
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf2(clk,data,rdaddr,wraddr,wren && (wrbuf == 2),out[2]);
hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH), .DWIDTH(DWIDTH)) buf3(clk,data,rdaddr,wraddr,wren && (wrbuf == 3),out[3]);
endmodule
module hq2x_buf #(parameter NUMWORDS, parameter AWIDTH, parameter DWIDTH)
(
input clock,
input [DWIDTH:0] data,
input [AWIDTH:0] rdaddress,
input [AWIDTH:0] wraddress,
input wren,
output [DWIDTH:0] q
);
altsyncram altsyncram_component (
.address_a (wraddress),
.clock0 (clock),
.data_a (data),
.wren_a (wren),
.address_b (rdaddress),
.q_b(q),
.aclr0 (1'b0),
.aclr1 (1'b0),
.addressstall_a (1'b0),
.addressstall_b (1'b0),
.byteena_a (1'b1),
.byteena_b (1'b1),
.clock1 (1'b1),
.clocken0 (1'b1),
.clocken1 (1'b1),
.clocken2 (1'b1),
.clocken3 (1'b1),
.data_b ({(DWIDTH+1){1'b1}}),
.eccstatus (),
.q_a (),
.rden_a (1'b1),
.rden_b (1'b1),
.wren_b (1'b0));
defparam
altsyncram_component.address_aclr_b = "NONE",
altsyncram_component.address_reg_b = "CLOCK0",
altsyncram_component.clock_enable_input_a = "BYPASS",
altsyncram_component.clock_enable_input_b = "BYPASS",
altsyncram_component.clock_enable_output_b = "BYPASS",
altsyncram_component.intended_device_family = "Cyclone III",
altsyncram_component.lpm_type = "altsyncram",
altsyncram_component.numwords_a = NUMWORDS,
altsyncram_component.numwords_b = NUMWORDS,
altsyncram_component.operation_mode = "DUAL_PORT",
altsyncram_component.outdata_aclr_b = "NONE",
altsyncram_component.outdata_reg_b = "UNREGISTERED",
altsyncram_component.power_up_uninitialized = "FALSE",
altsyncram_component.read_during_write_mode_mixed_ports = "DONT_CARE",
altsyncram_component.widthad_a = AWIDTH+1,
altsyncram_component.widthad_b = AWIDTH+1,
altsyncram_component.width_a = DWIDTH+1,
altsyncram_component.width_b = DWIDTH+1,
altsyncram_component.width_byteena_a = 1;
endmodule
////////////////////////////////////////////////////////////////////////////////////////////////////////
module DiffCheck
(
input [17:0] rgb1,
input [17:0] rgb2,
output result
);
wire [5:0] r = rgb1[5:1] - rgb2[5:1];
wire [5:0] g = rgb1[11:7] - rgb2[11:7];
wire [5:0] b = rgb1[17:13] - rgb2[17:13];
wire [6:0] t = $signed(r) + $signed(b);
wire [6:0] gx = {g[5], g};
wire [7:0] y = $signed(t) + $signed(gx);
wire [6:0] u = $signed(r) - $signed(b);
wire [7:0] v = $signed({g, 1'b0}) - $signed(t);
// if y is inside (-24..24)
wire y_inside = (y < 8'h18 || y >= 8'he8);
// if u is inside (-4, 4)
wire u_inside = (u < 7'h4 || u >= 7'h7c);
// if v is inside (-6, 6)
wire v_inside = (v < 8'h6 || v >= 8'hfA);
assign result = !(y_inside && u_inside && v_inside);
endmodule
module InnerBlend
(
input [8:0] Op,
input [5:0] A,
input [5:0] B,
input [5:0] C,
output [5:0] O
);
function [8:0] mul6x3;
input [5:0] op1;
input [2:0] op2;
begin
mul6x3 = 9'd0;
if(op2[0]) mul6x3 = mul6x3 + op1;
if(op2[1]) mul6x3 = mul6x3 + {op1, 1'b0};
if(op2[2]) mul6x3 = mul6x3 + {op1, 2'b00};
end
endfunction
wire OpOnes = Op[4];
wire [8:0] Amul = mul6x3(A, Op[7:5]);
wire [8:0] Bmul = mul6x3(B, {Op[3:2], 1'b0});
wire [8:0] Cmul = mul6x3(C, {Op[1:0], 1'b0});
wire [8:0] At = Amul;
wire [8:0] Bt = (OpOnes == 0) ? Bmul : {3'b0, B};
wire [8:0] Ct = (OpOnes == 0) ? Cmul : {3'b0, C};
wire [9:0] Res = {At, 1'b0} + Bt + Ct;
assign O = Op[8] ? A : Res[9:4];
endmodule
module Blend
(
input [5:0] rule,
input disable_hq2x,
input [17:0] E,
input [17:0] A,
input [17:0] B,
input [17:0] D,
input [17:0] F,
input [17:0] H,
output [17:0] Result
);
reg [1:0] input_ctrl;
reg [8:0] op;
localparam BLEND0 = 9'b1_xxx_x_xx_xx; // 0: A
localparam BLEND1 = 9'b0_110_0_10_00; // 1: (A * 12 + B * 4) >> 4
localparam BLEND2 = 9'b0_100_0_10_10; // 2: (A * 8 + B * 4 + C * 4) >> 4
localparam BLEND3 = 9'b0_101_0_10_01; // 3: (A * 10 + B * 4 + C * 2) >> 4
localparam BLEND4 = 9'b0_110_0_01_01; // 4: (A * 12 + B * 2 + C * 2) >> 4
localparam BLEND5 = 9'b0_010_0_11_11; // 5: (A * 4 + (B + C) * 6) >> 4
localparam BLEND6 = 9'b0_111_1_xx_xx; // 6: (A * 14 + B + C) >> 4
localparam AB = 2'b00;
localparam AD = 2'b01;
localparam DB = 2'b10;
localparam BD = 2'b11;
wire is_diff;
DiffCheck diff_checker(rule[1] ? B : H, rule[0] ? D : F, is_diff);
always @* begin
case({!is_diff, rule[5:2]})
1,17: {op, input_ctrl} = {BLEND1, AB};
2,18: {op, input_ctrl} = {BLEND1, DB};
3,19: {op, input_ctrl} = {BLEND1, BD};
4,20: {op, input_ctrl} = {BLEND2, DB};
5,21: {op, input_ctrl} = {BLEND2, AB};
6,22: {op, input_ctrl} = {BLEND2, AD};
8: {op, input_ctrl} = {BLEND0, 2'bxx};
9: {op, input_ctrl} = {BLEND0, 2'bxx};
10: {op, input_ctrl} = {BLEND0, 2'bxx};
11: {op, input_ctrl} = {BLEND1, AB};
12: {op, input_ctrl} = {BLEND1, AB};
13: {op, input_ctrl} = {BLEND1, AB};
14: {op, input_ctrl} = {BLEND1, DB};
15: {op, input_ctrl} = {BLEND1, BD};
24: {op, input_ctrl} = {BLEND2, DB};
25: {op, input_ctrl} = {BLEND5, DB};
26: {op, input_ctrl} = {BLEND6, DB};
27: {op, input_ctrl} = {BLEND2, DB};
28: {op, input_ctrl} = {BLEND4, DB};
29: {op, input_ctrl} = {BLEND5, DB};
30: {op, input_ctrl} = {BLEND3, BD};
31: {op, input_ctrl} = {BLEND3, DB};
default: {op, input_ctrl} = 11'bx;
endcase
// Setting op[8] effectively disables HQ2X because blend will always return E.
if (disable_hq2x) op[8] = 1;
end
// Generate inputs to the inner blender. Valid combinations.
// 00: E A B
// 01: E A D
// 10: E D B
// 11: E B D
wire [17:0] Input1 = E;
wire [17:0] Input2 = !input_ctrl[1] ? A :
!input_ctrl[0] ? D : B;
wire [17:0] Input3 = !input_ctrl[0] ? B : D;
InnerBlend inner_blend1(op, Input1[5:0], Input2[5:0], Input3[5:0], Result[5:0]);
InnerBlend inner_blend2(op, Input1[11:6], Input2[11:6], Input3[11:6], Result[11:6]);
InnerBlend inner_blend3(op, Input1[17:12], Input2[17:12], Input3[17:12], Result[17:12]);
endmodule
////////////////////////////////////////////////////////////////////////////////////////////////////
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
(
input clk,
input ce_x4,
input [DWIDTH:0] inputpixel,
input mono,
input disable_hq2x,
input reset_frame,
input reset_line,
input [1:0] read_y,
input [AWIDTH+1:0] read_x,
output [DWIDTH:0] outpixel
);
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
localparam DWIDTH = HALF_DEPTH ? 8 : 17;
wire [5:0] hqTable[256] = '{
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 35, 35, 23, 15, 7, 35,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
19, 19, 26, 58, 19, 19, 26, 58, 23, 15, 51, 35, 23, 15, 7, 43,
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 35, 35, 23, 61, 51, 35,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
19, 19, 26, 11, 19, 19, 26, 11, 23, 61, 7, 35, 23, 61, 7, 43,
19, 19, 26, 11, 19, 19, 26, 58, 23, 15, 51, 35, 23, 61, 7, 43,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 47, 35, 23, 15, 55, 39,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 35,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 55, 39, 23, 15, 51, 43,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 39, 23, 15, 7, 43,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 51, 39,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 35,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 51, 35, 23, 15, 7, 43,
19, 19, 26, 11, 19, 19, 26, 11, 23, 15, 7, 35, 23, 15, 7, 43
};
reg [17:0] Prev0, Prev1, Prev2, Curr0, Curr1, Next0, Next1, Next2;
reg [17:0] A, B, D, F, G, H;
reg [7:0] pattern, nextpatt;
reg [1:0] i;
reg [7:0] y;
wire curbuf = y[0];
reg prevbuf = 0;
wire iobuf = !curbuf;
wire diff0, diff1;
DiffCheck diffcheck0(Curr1, (i == 0) ? Prev0 : (i == 1) ? Curr0 : (i == 2) ? Prev2 : Next1, diff0);
DiffCheck diffcheck1(Curr1, (i == 0) ? Prev1 : (i == 1) ? Next0 : (i == 2) ? Curr2 : Next2, diff1);
wire [7:0] new_pattern = {diff1, diff0, pattern[7:2]};
wire [17:0] X = (i == 0) ? A : (i == 1) ? Prev1 : (i == 2) ? Next1 : G;
wire [17:0] blend_result;
Blend blender(hqTable[nextpatt], disable_hq2x, Curr0, X, B, D, F, H, blend_result);
reg Curr2_addr1;
reg [AWIDTH:0] Curr2_addr2;
wire [17:0] Curr2 = HALF_DEPTH ? h2rgb(Curr2tmp) : Curr2tmp;
wire [DWIDTH:0] Curr2tmp;
reg [AWIDTH:0] wrin_addr2;
reg [DWIDTH:0] wrpix;
reg wrin_en;
function [17:0] h2rgb;
input [8:0] v;
begin
h2rgb = mono ? {v[5:3],v[2:0], v[5:3],v[2:0], v[5:3],v[2:0]} : {v[8:6],v[8:6],v[5:3],v[5:3],v[2:0],v[2:0]};
end
endfunction
function [8:0] rgb2h;
input [17:0] v;
begin
rgb2h = mono ? {3'b000, v[17:15], v[14:12]} : {v[17:15], v[11:9], v[5:3]};
end
endfunction
hq2x_in #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_in
(
.clk(clk),
.rdaddr(Curr2_addr2),
.rdbuf(Curr2_addr1),
.q(Curr2tmp),
.wraddr(wrin_addr2),
.wrbuf(iobuf),
.data(wrpix),
.wren(wrin_en)
);
reg [1:0] wrout_addr1;
reg [AWIDTH+1:0] wrout_addr2;
reg wrout_en;
reg [DWIDTH:0] wrdata;
hq2x_out #(.LENGTH(LENGTH), .DWIDTH(DWIDTH)) hq2x_out
(
.clk(clk),
.rdaddr(read_x),
.rdbuf(read_y),
.q(outpixel),
.wraddr(wrout_addr2),
.wrbuf(wrout_addr1),
.data(wrdata),
.wren(wrout_en)
);
always @(posedge clk) begin
reg [AWIDTH:0] offs;
reg old_reset_line;
reg old_reset_frame;
wrout_en <= 0;
wrin_en <= 0;
if(ce_x4) begin
pattern <= new_pattern;
if(~&offs) begin
if (i == 0) begin
Curr2_addr1 <= prevbuf;
Curr2_addr2 <= offs;
end
if (i == 1) begin
Prev2 <= Curr2;
Curr2_addr1 <= curbuf;
Curr2_addr2 <= offs;
end
if (i == 2) begin
Next2 <= HALF_DEPTH ? h2rgb(inputpixel) : inputpixel;
wrpix <= inputpixel;
wrin_addr2 <= offs;
wrin_en <= 1;
end
if (i == 3) begin
offs <= offs + 1'd1;
end
if(HALF_DEPTH) wrdata <= rgb2h(blend_result);
else wrdata <= blend_result;
wrout_addr1 <= {curbuf, i[1]};
wrout_addr2 <= {offs, i[1]^i[0]};
wrout_en <= 1;
end
if(i==3) begin
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
{A, G} <= {Prev0, Next0};
{B, F, H, D} <= {Prev1, Curr2, Next1, Curr0};
{Prev0, Prev1} <= {Prev1, Prev2};
{Curr0, Curr1} <= {Curr1, Curr2};
{Next0, Next1} <= {Next1, Next2};
end else begin
nextpatt <= {nextpatt[5], nextpatt[3], nextpatt[0], nextpatt[6], nextpatt[1], nextpatt[7], nextpatt[4], nextpatt[2]};
{B, F, H, D} <= {F, H, D, B};
end
i <= i + 1'b1;
if(old_reset_line && ~reset_line) begin
old_reset_frame <= reset_frame;
offs <= 0;
i <= 0;
y <= y + 1'd1;
prevbuf <= curbuf;
if(old_reset_frame & ~reset_frame) begin
y <= 0;
prevbuf <= 0;
end
end
old_reset_line <= reset_line;
end
end
endmodule // Hq2x

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@@ -0,0 +1,79 @@
module keyboard
(
input clk,
input reset,
input ps2_kbd_clk,
input ps2_kbd_data,
output reg[7:0] joystick
);
reg [11:0] shift_reg = 12'hFFF;
wire[11:0] kdata = {ps2_kbd_data,shift_reg[11:1]};
wire [7:0] kcode = kdata[9:2];
reg release_btn = 0;
reg [7:0] code;
reg input_strobe = 0;
always @(negedge clk) begin
reg old_reset = 0;
old_reset <= reset;
if(~old_reset & reset)begin
joystick <= 0;
end
if(input_strobe) begin
case(code)
'h75: joystick[3] <= ~release_btn; // arrow up
'h72: joystick[2] <= ~release_btn; // arrow down
'h6B: joystick[1] <= ~release_btn; // arrow left
'h74: joystick[0] <= ~release_btn; // arrow right
'h29: joystick[4] <= ~release_btn; // Space
'h05: joystick[5] <= ~release_btn; // F1
'h06: joystick[6] <= ~release_btn; // F2
'h76: joystick[7] <= ~release_btn; // Escape
endcase
end
end
always @(posedge clk) begin
reg [3:0] prev_clk = 0;
reg old_reset = 0;
reg action = 0;
old_reset <= reset;
input_strobe <= 0;
if(~old_reset & reset)begin
prev_clk <= 0;
shift_reg <= 12'hFFF;
end else begin
prev_clk <= {ps2_kbd_clk,prev_clk[3:1]};
if(prev_clk == 1) begin
if (kdata[11] & ^kdata[10:2] & ~kdata[1] & kdata[0]) begin
shift_reg <= 12'hFFF;
if (kcode == 8'he0) ;
// Extended key code follows
else if (kcode == 8'hf0)
// Release code follows
action <= 1;
else begin
// Cancel extended/release flags for next time
action <= 0;
release_btn <= action;
code <= kcode;
input_strobe <= 1;
end
end else begin
shift_reg <= kdata;
end
end
end
end
endmodule

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@@ -0,0 +1,496 @@
//
// mist_io.v
//
// mist_io for the MiST board
// http://code.google.com/p/mist-board/
//
// Copyright (c) 2014 Till Harbaum <till@harbaum.org>
// Copyright (c) 2015-2017 Sorgelig
//
// This source file is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This source file is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
///////////////////////////////////////////////////////////////////////
//
// Use buffer to access SD card. It's time-critical part.
// Made module synchroneous with 2 clock domains: clk_sys and SPI_SCK
// (Sorgelig)
//
// for synchronous projects default value for PS2DIV is fine for any frequency of system clock.
// clk_ps2 = clk_sys/(PS2DIV*2)
//
module mist_io #(parameter STRLEN=0, parameter PS2DIV=100)
(
// parameter STRLEN and the actual length of conf_str have to match
input [(8*STRLEN)-1:0] conf_str,
// Global clock. It should be around 100MHz (higher is better).
input clk_sys,
// Global SPI clock from ARM. 24MHz
input SPI_SCK,
input CONF_DATA0,
input SPI_SS2,
output SPI_DO,
input SPI_DI,
output reg [7:0] joystick_0,
output reg [7:0] joystick_1,
output reg [15:0] joystick_analog_0,
output reg [15:0] joystick_analog_1,
output [1:0] buttons,
output [1:0] switches,
output scandoubler_disable,
output ypbpr,
output reg [31:0] status,
// SD config
input sd_conf,
input sd_sdhc,
output [1:0] img_mounted, // signaling that new image has been mounted
output reg [31:0] img_size, // size of image in bytes
// SD block level access
input [31:0] sd_lba,
input [1:0] sd_rd,
input [1:0] sd_wr,
output reg sd_ack,
output reg sd_ack_conf,
// SD byte level access. Signals for 2-PORT altsyncram.
output reg [8:0] sd_buff_addr,
output reg [7:0] sd_buff_dout,
input [7:0] sd_buff_din,
output reg sd_buff_wr,
// ps2 keyboard emulation
output ps2_kbd_clk,
output reg ps2_kbd_data,
output ps2_mouse_clk,
output reg ps2_mouse_data,
// ps2 alternative interface.
// [8] - extended, [9] - pressed, [10] - toggles with every press/release
output reg [10:0] ps2_key = 0,
// [24] - toggles with every event
output reg [24:0] ps2_mouse = 0,
// ARM -> FPGA download
input ioctl_ce,
input ioctl_wait,
output reg ioctl_download = 0, // signal indicating an active download
output reg [7:0] ioctl_index, // menu index used to upload the file
output reg ioctl_wr = 0,
output reg [13:0] ioctl_addr,
output reg [7:0] ioctl_dout
);
reg [7:0] but_sw;
reg [2:0] stick_idx;
reg [1:0] mount_strobe = 0;
assign img_mounted = mount_strobe;
assign buttons = but_sw[1:0];
assign switches = but_sw[3:2];
assign scandoubler_disable = but_sw[4];
assign ypbpr = but_sw[5];
// this variant of user_io is for 8 bit cores (type == a4) only
wire [7:0] core_type = 8'ha4;
// command byte read by the io controller
wire drive_sel = sd_rd[1] | sd_wr[1];
wire [7:0] sd_cmd = { 4'h6, sd_conf, sd_sdhc, sd_wr[drive_sel], sd_rd[drive_sel] };
reg [7:0] cmd;
reg [2:0] bit_cnt; // counts bits 0-7 0-7 ...
reg [9:0] byte_cnt; // counts bytes
reg spi_do;
assign SPI_DO = CONF_DATA0 ? 1'bZ : spi_do;
reg [7:0] spi_data_out;
// SPI transmitter
always@(negedge SPI_SCK) spi_do <= spi_data_out[~bit_cnt];
reg [7:0] spi_data_in;
reg spi_data_ready = 0;
// SPI receiver
always@(posedge SPI_SCK or posedge CONF_DATA0) begin
reg [6:0] sbuf;
reg [31:0] sd_lba_r;
reg drive_sel_r;
if(CONF_DATA0) begin
bit_cnt <= 0;
byte_cnt <= 0;
spi_data_out <= core_type;
end
else
begin
bit_cnt <= bit_cnt + 1'd1;
sbuf <= {sbuf[5:0], SPI_DI};
// finished reading command byte
if(bit_cnt == 7) begin
if(!byte_cnt) cmd <= {sbuf, SPI_DI};
spi_data_in <= {sbuf, SPI_DI};
spi_data_ready <= ~spi_data_ready;
if(~&byte_cnt) byte_cnt <= byte_cnt + 8'd1;
spi_data_out <= 0;
case({(!byte_cnt) ? {sbuf, SPI_DI} : cmd})
// reading config string
8'h14: if(byte_cnt < STRLEN) spi_data_out <= conf_str[(STRLEN - byte_cnt - 1)<<3 +:8];
// reading sd card status
8'h16: if(byte_cnt == 0) begin
spi_data_out <= sd_cmd;
sd_lba_r <= sd_lba;
drive_sel_r <= drive_sel;
end else if (byte_cnt == 1) begin
spi_data_out <= drive_sel_r;
end else if(byte_cnt < 6) spi_data_out <= sd_lba_r[(5-byte_cnt)<<3 +:8];
// reading sd card write data
8'h18: spi_data_out <= sd_buff_din;
endcase
end
end
end
reg [31:0] ps2_key_raw = 0;
wire pressed = (ps2_key_raw[15:8] != 8'hf0);
wire extended = (~pressed ? (ps2_key_raw[23:16] == 8'he0) : (ps2_key_raw[15:8] == 8'he0));
// transfer to clk_sys domain
always@(posedge clk_sys) begin
reg old_ss1, old_ss2;
reg old_ready1, old_ready2;
reg [2:0] b_wr;
reg got_ps2 = 0;
old_ss1 <= CONF_DATA0;
old_ss2 <= old_ss1;
old_ready1 <= spi_data_ready;
old_ready2 <= old_ready1;
sd_buff_wr <= b_wr[0];
if(b_wr[2] && (~&sd_buff_addr)) sd_buff_addr <= sd_buff_addr + 1'b1;
b_wr <= (b_wr<<1);
if(old_ss2) begin
got_ps2 <= 0;
sd_ack <= 0;
sd_ack_conf <= 0;
sd_buff_addr <= 0;
if(got_ps2) begin
if(cmd == 4) ps2_mouse[24] <= ~ps2_mouse[24];
if(cmd == 5) begin
ps2_key <= {~ps2_key[10], pressed, extended, ps2_key_raw[7:0]};
if(ps2_key_raw == 'hE012E07C) ps2_key[9:0] <= 'h37C; // prnscr pressed
if(ps2_key_raw == 'h7CE0F012) ps2_key[9:0] <= 'h17C; // prnscr released
if(ps2_key_raw == 'hF014F077) ps2_key[9:0] <= 'h377; // pause pressed
end
end
end
else
if(old_ready2 ^ old_ready1) begin
if(cmd == 8'h18 && ~&sd_buff_addr) sd_buff_addr <= sd_buff_addr + 1'b1;
if(byte_cnt < 2) begin
if (cmd == 8'h19) sd_ack_conf <= 1;
if((cmd == 8'h17) || (cmd == 8'h18)) sd_ack <= 1;
mount_strobe <= 0;
if(cmd == 5) ps2_key_raw <= 0;
end else begin
case(cmd)
// buttons and switches
8'h01: but_sw <= spi_data_in;
8'h02: joystick_0 <= spi_data_in;
8'h03: joystick_1 <= spi_data_in;
// store incoming ps2 mouse bytes
8'h04: begin
got_ps2 <= 1;
case(byte_cnt)
2: ps2_mouse[7:0] <= spi_data_in;
3: ps2_mouse[15:8] <= spi_data_in;
4: ps2_mouse[23:16] <= spi_data_in;
endcase
ps2_mouse_fifo[ps2_mouse_wptr] <= spi_data_in;
ps2_mouse_wptr <= ps2_mouse_wptr + 1'd1;
end
// store incoming ps2 keyboard bytes
8'h05: begin
got_ps2 <= 1;
ps2_key_raw[31:0] <= {ps2_key_raw[23:0], spi_data_in};
ps2_kbd_fifo[ps2_kbd_wptr] <= spi_data_in;
ps2_kbd_wptr <= ps2_kbd_wptr + 1'd1;
end
8'h15: status[7:0] <= spi_data_in;
// send SD config IO -> FPGA
// flag that download begins
// sd card knows data is config if sd_dout_strobe is asserted
// with sd_ack still being inactive (low)
8'h19,
// send sector IO -> FPGA
// flag that download begins
8'h17: begin
sd_buff_dout <= spi_data_in;
b_wr <= 1;
end
// joystick analog
8'h1a: begin
// first byte is joystick index
if(byte_cnt == 2) stick_idx <= spi_data_in[2:0];
else if(byte_cnt == 3) begin
// second byte is x axis
if(stick_idx == 0) joystick_analog_0[15:8] <= spi_data_in;
else if(stick_idx == 1) joystick_analog_1[15:8] <= spi_data_in;
end else if(byte_cnt == 4) begin
// third byte is y axis
if(stick_idx == 0) joystick_analog_0[7:0] <= spi_data_in;
else if(stick_idx == 1) joystick_analog_1[7:0] <= spi_data_in;
end
end
// notify image selection
8'h1c: mount_strobe[spi_data_in[0]] <= 1;
// send image info
8'h1d: if(byte_cnt<6) img_size[(byte_cnt-2)<<3 +:8] <= spi_data_in;
// status, 32bit version
8'h1e: if(byte_cnt<6) status[(byte_cnt-2)<<3 +:8] <= spi_data_in;
default: ;
endcase
end
end
end
/////////////////////////////// PS2 ///////////////////////////////
// 8 byte fifos to store ps2 bytes
localparam PS2_FIFO_BITS = 3;
reg clk_ps2;
always @(negedge clk_sys) begin
integer cnt;
cnt <= cnt + 1'd1;
if(cnt == PS2DIV) begin
clk_ps2 <= ~clk_ps2;
cnt <= 0;
end
end
// keyboard
reg [7:0] ps2_kbd_fifo[1<<PS2_FIFO_BITS];
reg [PS2_FIFO_BITS-1:0] ps2_kbd_wptr;
reg [PS2_FIFO_BITS-1:0] ps2_kbd_rptr;
// ps2 transmitter state machine
reg [3:0] ps2_kbd_tx_state;
reg [7:0] ps2_kbd_tx_byte;
reg ps2_kbd_parity;
assign ps2_kbd_clk = clk_ps2 || (ps2_kbd_tx_state == 0);
// ps2 transmitter
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
reg ps2_kbd_r_inc;
always@(posedge clk_sys) begin
reg old_clk;
old_clk <= clk_ps2;
if(~old_clk & clk_ps2) begin
ps2_kbd_r_inc <= 0;
if(ps2_kbd_r_inc) ps2_kbd_rptr <= ps2_kbd_rptr + 1'd1;
// transmitter is idle?
if(ps2_kbd_tx_state == 0) begin
// data in fifo present?
if(ps2_kbd_wptr != ps2_kbd_rptr) begin
// load tx register from fifo
ps2_kbd_tx_byte <= ps2_kbd_fifo[ps2_kbd_rptr];
ps2_kbd_r_inc <= 1;
// reset parity
ps2_kbd_parity <= 1;
// start transmitter
ps2_kbd_tx_state <= 1;
// put start bit on data line
ps2_kbd_data <= 0; // start bit is 0
end
end else begin
// transmission of 8 data bits
if((ps2_kbd_tx_state >= 1)&&(ps2_kbd_tx_state < 9)) begin
ps2_kbd_data <= ps2_kbd_tx_byte[0]; // data bits
ps2_kbd_tx_byte[6:0] <= ps2_kbd_tx_byte[7:1]; // shift down
if(ps2_kbd_tx_byte[0])
ps2_kbd_parity <= !ps2_kbd_parity;
end
// transmission of parity
if(ps2_kbd_tx_state == 9) ps2_kbd_data <= ps2_kbd_parity;
// transmission of stop bit
if(ps2_kbd_tx_state == 10) ps2_kbd_data <= 1; // stop bit is 1
// advance state machine
if(ps2_kbd_tx_state < 11) ps2_kbd_tx_state <= ps2_kbd_tx_state + 1'd1;
else ps2_kbd_tx_state <= 0;
end
end
end
// mouse
reg [7:0] ps2_mouse_fifo[1<<PS2_FIFO_BITS];
reg [PS2_FIFO_BITS-1:0] ps2_mouse_wptr;
reg [PS2_FIFO_BITS-1:0] ps2_mouse_rptr;
// ps2 transmitter state machine
reg [3:0] ps2_mouse_tx_state;
reg [7:0] ps2_mouse_tx_byte;
reg ps2_mouse_parity;
assign ps2_mouse_clk = clk_ps2 || (ps2_mouse_tx_state == 0);
// ps2 transmitter
// Takes a byte from the FIFO and sends it in a ps2 compliant serial format.
reg ps2_mouse_r_inc;
always@(posedge clk_sys) begin
reg old_clk;
old_clk <= clk_ps2;
if(~old_clk & clk_ps2) begin
ps2_mouse_r_inc <= 0;
if(ps2_mouse_r_inc) ps2_mouse_rptr <= ps2_mouse_rptr + 1'd1;
// transmitter is idle?
if(ps2_mouse_tx_state == 0) begin
// data in fifo present?
if(ps2_mouse_wptr != ps2_mouse_rptr) begin
// load tx register from fifo
ps2_mouse_tx_byte <= ps2_mouse_fifo[ps2_mouse_rptr];
ps2_mouse_r_inc <= 1;
// reset parity
ps2_mouse_parity <= 1;
// start transmitter
ps2_mouse_tx_state <= 1;
// put start bit on data line
ps2_mouse_data <= 0; // start bit is 0
end
end else begin
// transmission of 8 data bits
if((ps2_mouse_tx_state >= 1)&&(ps2_mouse_tx_state < 9)) begin
ps2_mouse_data <= ps2_mouse_tx_byte[0]; // data bits
ps2_mouse_tx_byte[6:0] <= ps2_mouse_tx_byte[7:1]; // shift down
if(ps2_mouse_tx_byte[0])
ps2_mouse_parity <= !ps2_mouse_parity;
end
// transmission of parity
if(ps2_mouse_tx_state == 9) ps2_mouse_data <= ps2_mouse_parity;
// transmission of stop bit
if(ps2_mouse_tx_state == 10) ps2_mouse_data <= 1; // stop bit is 1
// advance state machine
if(ps2_mouse_tx_state < 11) ps2_mouse_tx_state <= ps2_mouse_tx_state + 1'd1;
else ps2_mouse_tx_state <= 0;
end
end
end
/////////////////////////////// DOWNLOADING ///////////////////////////////
localparam UIO_FILE_TX = 8'h53;
localparam UIO_FILE_TX_DAT = 8'h54;
localparam UIO_FILE_INDEX = 8'h55;
// data_io has its own SPI interface to the io controller
always@(posedge SPI_SCK, posedge SPI_SS2) begin
reg [6:0] sbuf;
reg [7:0] cmd;
reg [4:0] cnt;
reg [13:0] addr;
if(SPI_SS2) cnt <= 0;
else begin
// don't shift in last bit. It is evaluated directly
// when writing to ram
if(cnt != 15) sbuf <= { sbuf[5:0], SPI_DI};
// count 0-7 8-15 8-15 ...
if(cnt < 15) cnt <= cnt + 1'd1;
else cnt <= 8;
// finished command byte
if(cnt == 7) cmd <= {sbuf, SPI_DI};
// prepare/end transmission
if((cmd == UIO_FILE_TX) && (cnt == 15)) begin
// prepare
if(SPI_DI) begin
// addr <= ioctl_index ? 14'd9 : 14'd0; //.p files loaded at $4009, ROM is at 0
addr <= 14'd0;
ioctl_download <= 1;
end else begin
ioctl_addr <= addr;
ioctl_download <= 0;
end
end
// command 0x54: UIO_FILE_TX
if((cmd == UIO_FILE_TX_DAT) && (cnt == 15)) begin
ioctl_addr <= addr;
ioctl_dout <= {sbuf, SPI_DI};
addr <= addr + 1'd1;
ioctl_wr <= 1;
end else
ioctl_wr <= 0;
// expose file (menu) index
if((cmd == UIO_FILE_INDEX) && (cnt == 15)) ioctl_index <= {sbuf, SPI_DI};
end
end
endmodule

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@@ -0,0 +1,179 @@
// A simple OSD implementation. Can be hooked up between a cores
// VGA output and the physical VGA pins
module osd (
// OSDs pixel clock, should be synchronous to cores pixel clock to
// avoid jitter.
input clk_sys,
// SPI interface
input SPI_SCK,
input SPI_SS3,
input SPI_DI,
// VGA signals coming from core
input [5:0] R_in,
input [5:0] G_in,
input [5:0] B_in,
input HSync,
input VSync,
// VGA signals going to video connector
output [5:0] R_out,
output [5:0] G_out,
output [5:0] B_out
);
parameter OSD_X_OFFSET = 10'd0;
parameter OSD_Y_OFFSET = 10'd0;
parameter OSD_COLOR = 3'd0;
localparam OSD_WIDTH = 10'd256;
localparam OSD_HEIGHT = 10'd128;
// *********************************************************************************
// spi client
// *********************************************************************************
// this core supports only the display related OSD commands
// of the minimig
reg osd_enable;
(* ramstyle = "no_rw_check" *) reg [7:0] osd_buffer[2047:0]; // the OSD buffer itself
// the OSD has its own SPI interface to the io controller
always@(posedge SPI_SCK, posedge SPI_SS3) begin
reg [4:0] cnt;
reg [10:0] bcnt;
reg [7:0] sbuf;
reg [7:0] cmd;
if(SPI_SS3) begin
cnt <= 0;
bcnt <= 0;
end else begin
sbuf <= {sbuf[6:0], SPI_DI};
// 0:7 is command, rest payload
if(cnt < 15) cnt <= cnt + 1'd1;
else cnt <= 8;
if(cnt == 7) begin
cmd <= {sbuf[6:0], SPI_DI};
// lower three command bits are line address
bcnt <= {sbuf[1:0], SPI_DI, 8'h00};
// command 0x40: OSDCMDENABLE, OSDCMDDISABLE
if(sbuf[6:3] == 4'b0100) osd_enable <= SPI_DI;
end
// command 0x20: OSDCMDWRITE
if((cmd[7:3] == 5'b00100) && (cnt == 15)) begin
osd_buffer[bcnt] <= {sbuf[6:0], SPI_DI};
bcnt <= bcnt + 1'd1;
end
end
end
// *********************************************************************************
// video timing and sync polarity anaylsis
// *********************************************************************************
// horizontal counter
reg [9:0] h_cnt;
reg [9:0] hs_low, hs_high;
wire hs_pol = hs_high < hs_low;
wire [9:0] dsp_width = hs_pol ? hs_low : hs_high;
// vertical counter
reg [9:0] v_cnt;
reg [9:0] vs_low, vs_high;
wire vs_pol = vs_high < vs_low;
wire [9:0] dsp_height = vs_pol ? vs_low : vs_high;
wire doublescan = (dsp_height>350);
reg ce_pix;
always @(negedge clk_sys) begin
integer cnt = 0;
integer pixsz, pixcnt;
reg hs;
cnt <= cnt + 1;
hs <= HSync;
pixcnt <= pixcnt + 1;
if(pixcnt == pixsz) pixcnt <= 0;
ce_pix <= !pixcnt;
if(hs && ~HSync) begin
cnt <= 0;
pixsz <= (cnt >> 9) - 1;
pixcnt <= 0;
ce_pix <= 1;
end
end
always @(posedge clk_sys) begin
reg hsD, hsD2;
reg vsD, vsD2;
if(ce_pix) begin
// bring hsync into local clock domain
hsD <= HSync;
hsD2 <= hsD;
// falling edge of HSync
if(!hsD && hsD2) begin
h_cnt <= 0;
hs_high <= h_cnt;
end
// rising edge of HSync
else if(hsD && !hsD2) begin
h_cnt <= 0;
hs_low <= h_cnt;
v_cnt <= v_cnt + 1'd1;
end else begin
h_cnt <= h_cnt + 1'd1;
end
vsD <= VSync;
vsD2 <= vsD;
// falling edge of VSync
if(!vsD && vsD2) begin
v_cnt <= 0;
vs_high <= v_cnt;
end
// rising edge of VSync
else if(vsD && !vsD2) begin
v_cnt <= 0;
vs_low <= v_cnt;
end
end
end
// area in which OSD is being displayed
wire [9:0] h_osd_start = ((dsp_width - OSD_WIDTH)>> 1) + OSD_X_OFFSET;
wire [9:0] h_osd_end = h_osd_start + OSD_WIDTH;
wire [9:0] v_osd_start = ((dsp_height- (OSD_HEIGHT<<doublescan))>> 1) + OSD_Y_OFFSET;
wire [9:0] v_osd_end = v_osd_start + (OSD_HEIGHT<<doublescan);
wire [9:0] osd_hcnt = h_cnt - h_osd_start + 1'd1; // one pixel offset for osd_byte register
wire [9:0] osd_vcnt = v_cnt - v_osd_start;
wire osd_de = osd_enable &&
(HSync != hs_pol) && (h_cnt >= h_osd_start) && (h_cnt < h_osd_end) &&
(VSync != vs_pol) && (v_cnt >= v_osd_start) && (v_cnt < v_osd_end);
reg [7:0] osd_byte;
always @(posedge clk_sys) if(ce_pix) osd_byte <= osd_buffer[{doublescan ? osd_vcnt[7:5] : osd_vcnt[6:4], osd_hcnt[7:0]}];
wire osd_pixel = osd_byte[doublescan ? osd_vcnt[4:2] : osd_vcnt[3:1]];
assign R_out = !osd_de ? R_in : {osd_pixel, osd_pixel, OSD_COLOR[2], R_in[5:3]};
assign G_out = !osd_de ? G_in : {osd_pixel, osd_pixel, OSD_COLOR[1], G_in[5:3]};
assign B_out = !osd_de ? B_in : {osd_pixel, osd_pixel, OSD_COLOR[0], B_in[5:3]};
endmodule

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@@ -0,0 +1,4 @@
set_global_assignment -name IP_TOOL_NAME "ALTPLL"
set_global_assignment -name IP_TOOL_VERSION "13.0"
set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) "pll.v"]
set_global_assignment -name MISC_FILE [file join $::quartus(qip_path) "pll.ppf"]

View File

@@ -0,0 +1,365 @@
// megafunction wizard: %ALTPLL%
// GENERATION: STANDARD
// VERSION: WM1.0
// MODULE: altpll
// ============================================================
// File Name: pll.v
// Megafunction Name(s):
// altpll
//
// Simulation Library Files(s):
// altera_mf
// ============================================================
// ************************************************************
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
//
// 13.0.1 Build 232 06/12/2013 SP 1 SJ Full Version
// ************************************************************
//Copyright (C) 1991-2013 Altera Corporation
//Your use of Altera Corporation's design tools, logic functions
//and other software and tools, and its AMPP partner logic
//functions, and any output files from any of the foregoing
//(including device programming or simulation files), and any
//associated documentation or information are expressly subject
//to the terms and conditions of the Altera Program License
//Subscription Agreement, Altera MegaCore Function License
//Agreement, or other applicable license agreement, including,
//without limitation, that your use is for the sole purpose of
//programming logic devices manufactured by Altera and sold by
//Altera or its authorized distributors. Please refer to the
//applicable agreement for further details.
// synopsys translate_off
`timescale 1 ps / 1 ps
// synopsys translate_on
module pll (
inclk0,
c0,
c1,
c2,
locked);
input inclk0;
output c0;
output c1;
output c2;
output locked;
wire [4:0] sub_wire0;
wire sub_wire2;
wire [0:0] sub_wire7 = 1'h0;
wire [2:2] sub_wire4 = sub_wire0[2:2];
wire [0:0] sub_wire3 = sub_wire0[0:0];
wire [1:1] sub_wire1 = sub_wire0[1:1];
wire c1 = sub_wire1;
wire locked = sub_wire2;
wire c0 = sub_wire3;
wire c2 = sub_wire4;
wire sub_wire5 = inclk0;
wire [1:0] sub_wire6 = {sub_wire7, sub_wire5};
altpll altpll_component (
.inclk (sub_wire6),
.clk (sub_wire0),
.locked (sub_wire2),
.activeclock (),
.areset (1'b0),
.clkbad (),
.clkena ({6{1'b1}}),
.clkloss (),
.clkswitch (1'b0),
.configupdate (1'b0),
.enable0 (),
.enable1 (),
.extclk (),
.extclkena ({4{1'b1}}),
.fbin (1'b1),
.fbmimicbidir (),
.fbout (),
.fref (),
.icdrclk (),
.pfdena (1'b1),
.phasecounterselect ({4{1'b1}}),
.phasedone (),
.phasestep (1'b1),
.phaseupdown (1'b1),
.pllena (1'b1),
.scanaclr (1'b0),
.scanclk (1'b0),
.scanclkena (1'b1),
.scandata (1'b0),
.scandataout (),
.scandone (),
.scanread (1'b0),
.scanwrite (1'b0),
.sclkout0 (),
.sclkout1 (),
.vcooverrange (),
.vcounderrange ());
defparam
altpll_component.bandwidth_type = "AUTO",
altpll_component.clk0_divide_by = 27,
altpll_component.clk0_duty_cycle = 50,
altpll_component.clk0_multiply_by = 32,
altpll_component.clk0_phase_shift = "0",
altpll_component.clk1_divide_by = 27,
altpll_component.clk1_duty_cycle = 50,
altpll_component.clk1_multiply_by = 8,
altpll_component.clk1_phase_shift = "0",
altpll_component.clk2_divide_by = 27,
altpll_component.clk2_duty_cycle = 50,
altpll_component.clk2_multiply_by = 4,
altpll_component.clk2_phase_shift = "0",
altpll_component.compensate_clock = "CLK0",
altpll_component.inclk0_input_frequency = 37037,
altpll_component.intended_device_family = "Cyclone III",
altpll_component.lpm_hint = "CBX_MODULE_PREFIX=pll",
altpll_component.lpm_type = "altpll",
altpll_component.operation_mode = "NORMAL",
altpll_component.pll_type = "AUTO",
altpll_component.port_activeclock = "PORT_UNUSED",
altpll_component.port_areset = "PORT_UNUSED",
altpll_component.port_clkbad0 = "PORT_UNUSED",
altpll_component.port_clkbad1 = "PORT_UNUSED",
altpll_component.port_clkloss = "PORT_UNUSED",
altpll_component.port_clkswitch = "PORT_UNUSED",
altpll_component.port_configupdate = "PORT_UNUSED",
altpll_component.port_fbin = "PORT_UNUSED",
altpll_component.port_inclk0 = "PORT_USED",
altpll_component.port_inclk1 = "PORT_UNUSED",
altpll_component.port_locked = "PORT_USED",
altpll_component.port_pfdena = "PORT_UNUSED",
altpll_component.port_phasecounterselect = "PORT_UNUSED",
altpll_component.port_phasedone = "PORT_UNUSED",
altpll_component.port_phasestep = "PORT_UNUSED",
altpll_component.port_phaseupdown = "PORT_UNUSED",
altpll_component.port_pllena = "PORT_UNUSED",
altpll_component.port_scanaclr = "PORT_UNUSED",
altpll_component.port_scanclk = "PORT_UNUSED",
altpll_component.port_scanclkena = "PORT_UNUSED",
altpll_component.port_scandata = "PORT_UNUSED",
altpll_component.port_scandataout = "PORT_UNUSED",
altpll_component.port_scandone = "PORT_UNUSED",
altpll_component.port_scanread = "PORT_UNUSED",
altpll_component.port_scanwrite = "PORT_UNUSED",
altpll_component.port_clk0 = "PORT_USED",
altpll_component.port_clk1 = "PORT_USED",
altpll_component.port_clk2 = "PORT_USED",
altpll_component.port_clk3 = "PORT_UNUSED",
altpll_component.port_clk4 = "PORT_UNUSED",
altpll_component.port_clk5 = "PORT_UNUSED",
altpll_component.port_clkena0 = "PORT_UNUSED",
altpll_component.port_clkena1 = "PORT_UNUSED",
altpll_component.port_clkena2 = "PORT_UNUSED",
altpll_component.port_clkena3 = "PORT_UNUSED",
altpll_component.port_clkena4 = "PORT_UNUSED",
altpll_component.port_clkena5 = "PORT_UNUSED",
altpll_component.port_extclk0 = "PORT_UNUSED",
altpll_component.port_extclk1 = "PORT_UNUSED",
altpll_component.port_extclk2 = "PORT_UNUSED",
altpll_component.port_extclk3 = "PORT_UNUSED",
altpll_component.self_reset_on_loss_lock = "OFF",
altpll_component.width_clock = 5;
endmodule
// ============================================================
// CNX file retrieval info
// ============================================================
// Retrieval info: PRIVATE: ACTIVECLK_CHECK STRING "0"
// Retrieval info: PRIVATE: BANDWIDTH STRING "1.000"
// Retrieval info: PRIVATE: BANDWIDTH_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: BANDWIDTH_FREQ_UNIT STRING "MHz"
// Retrieval info: PRIVATE: BANDWIDTH_PRESET STRING "Low"
// Retrieval info: PRIVATE: BANDWIDTH_USE_AUTO STRING "1"
// Retrieval info: PRIVATE: BANDWIDTH_USE_PRESET STRING "0"
// Retrieval info: PRIVATE: CLKBAD_SWITCHOVER_CHECK STRING "0"
// Retrieval info: PRIVATE: CLKLOSS_CHECK STRING "0"
// Retrieval info: PRIVATE: CLKSWITCH_CHECK STRING "0"
// Retrieval info: PRIVATE: CNX_NO_COMPENSATE_RADIO STRING "0"
// Retrieval info: PRIVATE: CREATE_CLKBAD_CHECK STRING "0"
// Retrieval info: PRIVATE: CREATE_INCLK1_CHECK STRING "0"
// Retrieval info: PRIVATE: CUR_DEDICATED_CLK STRING "c0"
// Retrieval info: PRIVATE: CUR_FBIN_CLK STRING "c0"
// Retrieval info: PRIVATE: DEVICE_SPEED_GRADE STRING "8"
// Retrieval info: PRIVATE: DIV_FACTOR0 NUMERIC "27"
// Retrieval info: PRIVATE: DIV_FACTOR1 NUMERIC "27"
// Retrieval info: PRIVATE: DIV_FACTOR2 NUMERIC "27"
// Retrieval info: PRIVATE: DUTY_CYCLE0 STRING "50.00000000"
// Retrieval info: PRIVATE: DUTY_CYCLE1 STRING "50.00000000"
// Retrieval info: PRIVATE: DUTY_CYCLE2 STRING "50.00000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE0 STRING "32.000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE1 STRING "8.000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE2 STRING "4.000000"
// Retrieval info: PRIVATE: EXPLICIT_SWITCHOVER_COUNTER STRING "0"
// Retrieval info: PRIVATE: EXT_FEEDBACK_RADIO STRING "0"
// Retrieval info: PRIVATE: GLOCKED_COUNTER_EDIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: GLOCKED_FEATURE_ENABLED STRING "0"
// Retrieval info: PRIVATE: GLOCKED_MODE_CHECK STRING "0"
// Retrieval info: PRIVATE: GLOCK_COUNTER_EDIT NUMERIC "1048575"
// Retrieval info: PRIVATE: HAS_MANUAL_SWITCHOVER STRING "1"
// Retrieval info: PRIVATE: INCLK0_FREQ_EDIT STRING "27.000"
// Retrieval info: PRIVATE: INCLK0_FREQ_UNIT_COMBO STRING "MHz"
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT STRING "100.000"
// Retrieval info: PRIVATE: INCLK1_FREQ_EDIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_CHANGED STRING "1"
// Retrieval info: PRIVATE: INCLK1_FREQ_UNIT_COMBO STRING "MHz"
// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone III"
// Retrieval info: PRIVATE: INT_FEEDBACK__MODE_RADIO STRING "1"
// Retrieval info: PRIVATE: LOCKED_OUTPUT_CHECK STRING "1"
// Retrieval info: PRIVATE: LONG_SCAN_RADIO STRING "1"
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE STRING "Not Available"
// Retrieval info: PRIVATE: LVDS_MODE_DATA_RATE_DIRTY NUMERIC "0"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT0 STRING "deg"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT1 STRING "deg"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT2 STRING "ps"
// Retrieval info: PRIVATE: MIG_DEVICE_SPEED_GRADE STRING "Any"
// Retrieval info: PRIVATE: MIRROR_CLK0 STRING "0"
// Retrieval info: PRIVATE: MIRROR_CLK1 STRING "0"
// Retrieval info: PRIVATE: MIRROR_CLK2 STRING "0"
// Retrieval info: PRIVATE: MULT_FACTOR0 NUMERIC "32"
// Retrieval info: PRIVATE: MULT_FACTOR1 NUMERIC "8"
// Retrieval info: PRIVATE: MULT_FACTOR2 NUMERIC "4"
// Retrieval info: PRIVATE: NORMAL_MODE_RADIO STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ0 STRING "32.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ1 STRING "8.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ2 STRING "4.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE0 STRING "0"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE1 STRING "0"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE2 STRING "0"
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT0 STRING "MHz"
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT1 STRING "MHz"
// Retrieval info: PRIVATE: OUTPUT_FREQ_UNIT2 STRING "MHz"
// Retrieval info: PRIVATE: PHASE_RECONFIG_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: PHASE_RECONFIG_INPUTS_CHECK STRING "0"
// Retrieval info: PRIVATE: PHASE_SHIFT0 STRING "0.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT1 STRING "0.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT2 STRING "0.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT_STEP_ENABLED_CHECK STRING "0"
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT0 STRING "deg"
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT1 STRING "deg"
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT2 STRING "deg"
// Retrieval info: PRIVATE: PLL_ADVANCED_PARAM_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_ARESET_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_AUTOPLL_CHECK NUMERIC "1"
// Retrieval info: PRIVATE: PLL_ENHPLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_FASTPLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_FBMIMIC_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_LVDS_PLL_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PLL_PFDENA_CHECK STRING "0"
// Retrieval info: PRIVATE: PLL_TARGET_HARCOPY_CHECK NUMERIC "0"
// Retrieval info: PRIVATE: PRIMARY_CLK_COMBO STRING "inclk0"
// Retrieval info: PRIVATE: RECONFIG_FILE STRING "pll.mif"
// Retrieval info: PRIVATE: SACN_INPUTS_CHECK STRING "0"
// Retrieval info: PRIVATE: SCAN_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: SELF_RESET_LOCK_LOSS STRING "0"
// Retrieval info: PRIVATE: SHORT_SCAN_RADIO STRING "0"
// Retrieval info: PRIVATE: SPREAD_FEATURE_ENABLED STRING "0"
// Retrieval info: PRIVATE: SPREAD_FREQ STRING "50.000"
// Retrieval info: PRIVATE: SPREAD_FREQ_UNIT STRING "KHz"
// Retrieval info: PRIVATE: SPREAD_PERCENT STRING "0.500"
// Retrieval info: PRIVATE: SPREAD_USE STRING "0"
// Retrieval info: PRIVATE: SRC_SYNCH_COMP_RADIO STRING "0"
// Retrieval info: PRIVATE: STICKY_CLK0 STRING "1"
// Retrieval info: PRIVATE: STICKY_CLK1 STRING "1"
// Retrieval info: PRIVATE: STICKY_CLK2 STRING "1"
// Retrieval info: PRIVATE: SWITCHOVER_COUNT_EDIT NUMERIC "1"
// Retrieval info: PRIVATE: SWITCHOVER_FEATURE_ENABLED STRING "1"
// Retrieval info: PRIVATE: SYNTH_WRAPPER_GEN_POSTFIX STRING "0"
// Retrieval info: PRIVATE: USE_CLK0 STRING "1"
// Retrieval info: PRIVATE: USE_CLK1 STRING "1"
// Retrieval info: PRIVATE: USE_CLK2 STRING "1"
// Retrieval info: PRIVATE: USE_CLKENA0 STRING "0"
// Retrieval info: PRIVATE: USE_CLKENA1 STRING "0"
// Retrieval info: PRIVATE: USE_CLKENA2 STRING "0"
// Retrieval info: PRIVATE: USE_MIL_SPEED_GRADE NUMERIC "0"
// Retrieval info: PRIVATE: ZERO_DELAY_RADIO STRING "0"
// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all
// Retrieval info: CONSTANT: BANDWIDTH_TYPE STRING "AUTO"
// Retrieval info: CONSTANT: CLK0_DIVIDE_BY NUMERIC "27"
// Retrieval info: CONSTANT: CLK0_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK0_MULTIPLY_BY NUMERIC "32"
// Retrieval info: CONSTANT: CLK0_PHASE_SHIFT STRING "0"
// Retrieval info: CONSTANT: CLK1_DIVIDE_BY NUMERIC "27"
// Retrieval info: CONSTANT: CLK1_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK1_MULTIPLY_BY NUMERIC "8"
// Retrieval info: CONSTANT: CLK1_PHASE_SHIFT STRING "0"
// Retrieval info: CONSTANT: CLK2_DIVIDE_BY NUMERIC "27"
// Retrieval info: CONSTANT: CLK2_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK2_MULTIPLY_BY NUMERIC "4"
// Retrieval info: CONSTANT: CLK2_PHASE_SHIFT STRING "0"
// Retrieval info: CONSTANT: COMPENSATE_CLOCK STRING "CLK0"
// Retrieval info: CONSTANT: INCLK0_INPUT_FREQUENCY NUMERIC "37037"
// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone III"
// Retrieval info: CONSTANT: LPM_TYPE STRING "altpll"
// Retrieval info: CONSTANT: OPERATION_MODE STRING "NORMAL"
// Retrieval info: CONSTANT: PLL_TYPE STRING "AUTO"
// Retrieval info: CONSTANT: PORT_ACTIVECLOCK STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_ARESET STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKBAD0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKBAD1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKLOSS STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CLKSWITCH STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_CONFIGUPDATE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_FBIN STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_INCLK0 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_INCLK1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_LOCKED STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_PFDENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASECOUNTERSELECT STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASEDONE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASESTEP STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PHASEUPDOWN STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_PLLENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANACLR STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANCLK STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANCLKENA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDATA STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDATAOUT STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANDONE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANREAD STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_SCANWRITE STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk0 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_clk1 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_clk2 STRING "PORT_USED"
// Retrieval info: CONSTANT: PORT_clk3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk4 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clk5 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena2 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena4 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_clkena5 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk0 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk1 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk2 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: PORT_extclk3 STRING "PORT_UNUSED"
// Retrieval info: CONSTANT: SELF_RESET_ON_LOSS_LOCK STRING "OFF"
// Retrieval info: CONSTANT: WIDTH_CLOCK NUMERIC "5"
// Retrieval info: USED_PORT: @clk 0 0 5 0 OUTPUT_CLK_EXT VCC "@clk[4..0]"
// Retrieval info: USED_PORT: c0 0 0 0 0 OUTPUT_CLK_EXT VCC "c0"
// Retrieval info: USED_PORT: c1 0 0 0 0 OUTPUT_CLK_EXT VCC "c1"
// Retrieval info: USED_PORT: c2 0 0 0 0 OUTPUT_CLK_EXT VCC "c2"
// Retrieval info: USED_PORT: inclk0 0 0 0 0 INPUT_CLK_EXT GND "inclk0"
// Retrieval info: USED_PORT: locked 0 0 0 0 OUTPUT GND "locked"
// Retrieval info: CONNECT: @inclk 0 0 1 1 GND 0 0 0 0
// Retrieval info: CONNECT: @inclk 0 0 1 0 inclk0 0 0 0 0
// Retrieval info: CONNECT: c0 0 0 0 0 @clk 0 0 1 0
// Retrieval info: CONNECT: c1 0 0 0 0 @clk 0 0 1 1
// Retrieval info: CONNECT: c2 0 0 0 0 @clk 0 0 1 2
// Retrieval info: CONNECT: locked 0 0 0 0 @locked 0 0 0 0
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.v TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.ppf TRUE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.inc FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.cmp FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll.bsf FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_inst.v FALSE
// Retrieval info: GEN_FILE: TYPE_NORMAL pll_bb.v FALSE
// Retrieval info: LIB_FILE: altera_mf
// Retrieval info: CBX_MODULE_PREFIX: ON

View File

@@ -0,0 +1,183 @@
//
// scandoubler.v
//
// Copyright (c) 2015 Till Harbaum <till@harbaum.org>
// Copyright (c) 2017 Sorgelig
//
// This source file is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This source file is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// TODO: Delay vsync one line
module scandoubler #(parameter LENGTH, parameter HALF_DEPTH)
(
// system interface
input clk_sys,
input ce_pix,
input ce_pix_actual,
input hq2x,
// shifter video interface
input hs_in,
input vs_in,
input line_start,
input [DWIDTH:0] r_in,
input [DWIDTH:0] g_in,
input [DWIDTH:0] b_in,
input mono,
// output interface
output reg hs_out,
output vs_out,
output [DWIDTH:0] r_out,
output [DWIDTH:0] g_out,
output [DWIDTH:0] b_out
);
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
assign vs_out = vs_in;
reg [2:0] phase;
reg [2:0] ce_div;
reg [7:0] pix_len = 0;
wire [7:0] pl = pix_len + 1'b1;
reg ce_x1, ce_x4;
reg req_line_reset;
wire ls_in = hs_in | line_start;
always @(negedge clk_sys) begin
reg old_ce;
reg [2:0] ce_cnt;
reg [7:0] pixsz2, pixsz4 = 0;
old_ce <= ce_pix;
if(~&pix_len) pix_len <= pix_len + 1'd1;
ce_x4 <= 0;
ce_x1 <= 0;
// use such odd comparison to place c_x4 evenly if master clock isn't multiple 4.
if((pl == pixsz4) || (pl == pixsz2) || (pl == (pixsz2+pixsz4))) begin
phase <= phase + 1'd1;
ce_x4 <= 1;
end
if(~old_ce & ce_pix) begin
pixsz2 <= {1'b0, pl[7:1]};
pixsz4 <= {2'b00, pl[7:2]};
ce_x1 <= 1;
ce_x4 <= 1;
pix_len <= 0;
phase <= phase + 1'd1;
ce_cnt <= ce_cnt + 1'd1;
if(ce_pix_actual) begin
phase <= 0;
ce_div <= ce_cnt + 1'd1;
ce_cnt <= 0;
req_line_reset <= 0;
end
if(ls_in) req_line_reset <= 1;
end
end
reg ce_sd;
always @(*) begin
case(ce_div)
2: ce_sd = !phase[0];
4: ce_sd = !phase[1:0];
default: ce_sd <= 1;
endcase
end
localparam AWIDTH = `BITS_TO_FIT(LENGTH);
Hq2x #(.LENGTH(LENGTH), .HALF_DEPTH(HALF_DEPTH)) Hq2x
(
.clk(clk_sys),
.ce_x4(ce_x4 & ce_sd),
.inputpixel({b_in,g_in,r_in}),
.mono(mono),
.disable_hq2x(~hq2x),
.reset_frame(vs_in),
.reset_line(req_line_reset),
.read_y(sd_line),
.read_x(sd_h_actual),
.outpixel({b_out,g_out,r_out})
);
reg [10:0] sd_h_actual;
always @(*) begin
case(ce_div)
2: sd_h_actual = sd_h[10:1];
4: sd_h_actual = sd_h[10:2];
default: sd_h_actual = sd_h;
endcase
end
reg [10:0] sd_h;
reg [1:0] sd_line;
always @(posedge clk_sys) begin
reg [11:0] hs_max,hs_rise,hs_ls;
reg [10:0] hcnt;
reg [11:0] sd_hcnt;
reg hs, hs2, vs, ls;
if(ce_x1) begin
hs <= hs_in;
ls <= ls_in;
if(ls && !ls_in) hs_ls <= {hcnt,1'b1};
// falling edge of hsync indicates start of line
if(hs && !hs_in) begin
hs_max <= {hcnt,1'b1};
hcnt <= 0;
if(ls && !ls_in) hs_ls <= {10'd0,1'b1};
end else begin
hcnt <= hcnt + 1'd1;
end
// save position of rising edge
if(!hs && hs_in) hs_rise <= {hcnt,1'b1};
vs <= vs_in;
if(vs && ~vs_in) sd_line <= 0;
end
if(ce_x4) begin
hs2 <= hs_in;
// output counter synchronous to input and at twice the rate
sd_hcnt <= sd_hcnt + 1'd1;
sd_h <= sd_h + 1'd1;
if(hs2 && !hs_in) sd_hcnt <= hs_max;
if(sd_hcnt == hs_max) sd_hcnt <= 0;
// replicate horizontal sync at twice the speed
if(sd_hcnt == hs_max) hs_out <= 0;
if(sd_hcnt == hs_rise) hs_out <= 1;
if(sd_hcnt == hs_ls) sd_h <= 0;
if(sd_hcnt == hs_ls) sd_line <= sd_line + 1'd1;
end
end
endmodule

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module cpu_z80(
input CLK,
input nRESET,
inout [7:0] DATA_BIDIR,
output [15:0] ADDRESS,
output reg nIORQ, nMREQ,
output reg nRD, nWR,
input nINT, nNMI
);
reg [7:0] DATA_IN_REG;
wire [7:0] DATA_IN;
wire [7:0] DATA_OUT;
wire [6:0] T_STATE;
wire [6:0] M_CYCLE;
wire nINTCYCLE;
wire NO_READ;
wire WRITE;
wire IORQ;
assign #1 DATA_BIDIR = nWR ? 8'bzzzzzzzz : DATA_OUT;
assign DATA_IN = nRD ? 8'bzzzzzzzz : DATA_BIDIR;
tv80_core TV80( , IORQ, NO_READ, WRITE, , , , ADDRESS, DATA_OUT, M_CYCLE,
T_STATE, nINTCYCLE, , , nRESET, CLK, 1'b1, 1'b1,
nINT, nNMI, 1'b1, DATA_IN, DATA_IN_REG);
always @(posedge CLK)
begin
if (!nRESET)
begin
nRD <= #1 1'b1;
nWR <= #1 1'b1;
nIORQ <= #1 1'b1;
nMREQ <= #1 1'b1;
DATA_IN_REG <= #1 8'b00000000;
end
else
begin
nRD <= #1 1'b1;
nWR <= #1 1'b1;
nIORQ <= #1 1'b1;
nMREQ <= #1 1'b1;
if (M_CYCLE[0])
begin
if (T_STATE[1])
begin
nRD <= #1 ~nINTCYCLE;
nMREQ <= #1 ~nINTCYCLE;
nIORQ <= #1 nINTCYCLE;
end
end
else
begin
if ((T_STATE[1]) && NO_READ == 1'b0 && WRITE == 1'b0)
begin
nRD <= #1 1'b0;
nIORQ <= #1 ~IORQ;
nMREQ <= #1 IORQ;
end
if ((T_STATE[1]) && WRITE == 1'b1)
begin
nWR <= #1 1'b0;
nIORQ <= #1 ~IORQ;
nMREQ <= #1 IORQ;
end
end
if (T_STATE[2]) DATA_IN_REG <= #1 DATA_IN;
end
end
endmodule

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//
// TV80 8-Bit Microprocessor Core
// Based on the VHDL T80 core by Daniel Wallner (jesus@opencores.org)
//
// Copyright (c) 2004 Guy Hutchison (ghutchis@opencores.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
module tv80_alu (/*AUTOARG*/
// Outputs
Q, F_Out,
// Inputs
Arith16, Z16, ALU_Op, IR, ISet, BusA, BusB, F_In
);
parameter Mode = 0;
parameter Flag_C = 0;
parameter Flag_N = 1;
parameter Flag_P = 2;
parameter Flag_X = 3;
parameter Flag_H = 4;
parameter Flag_Y = 5;
parameter Flag_Z = 6;
parameter Flag_S = 7;
input Arith16;
input Z16;
input [3:0] ALU_Op ;
input [5:0] IR;
input [1:0] ISet;
input [7:0] BusA;
input [7:0] BusB;
input [7:0] F_In;
output [7:0] Q;
output [7:0] F_Out;
reg [7:0] Q;
reg [7:0] F_Out;
function [4:0] AddSub4;
input [3:0] A;
input [3:0] B;
input Sub;
input Carry_In;
begin
AddSub4 = { 1'b0, A } + { 1'b0, (Sub)?~B:B } + {4'h0,Carry_In};
end
endfunction // AddSub4
function [3:0] AddSub3;
input [2:0] A;
input [2:0] B;
input Sub;
input Carry_In;
begin
AddSub3 = { 1'b0, A } + { 1'b0, (Sub)?~B:B } + {3'h0,Carry_In};
end
endfunction // AddSub4
function [1:0] AddSub1;
input A;
input B;
input Sub;
input Carry_In;
begin
AddSub1 = { 1'b0, A } + { 1'b0, (Sub)?~B:B } + {1'h0,Carry_In};
end
endfunction // AddSub4
// AddSub variables (temporary signals)
reg UseCarry;
reg Carry7_v;
reg OverFlow_v;
reg HalfCarry_v;
reg Carry_v;
reg [7:0] Q_v;
reg [7:0] BitMask;
always @(/*AUTOSENSE*/ALU_Op or BusA or BusB or F_In or IR)
begin
case (IR[5:3])
3'b000 : BitMask = 8'b00000001;
3'b001 : BitMask = 8'b00000010;
3'b010 : BitMask = 8'b00000100;
3'b011 : BitMask = 8'b00001000;
3'b100 : BitMask = 8'b00010000;
3'b101 : BitMask = 8'b00100000;
3'b110 : BitMask = 8'b01000000;
default: BitMask = 8'b10000000;
endcase // case(IR[5:3])
UseCarry = ~ ALU_Op[2] && ALU_Op[0];
{ HalfCarry_v, Q_v[3:0] } = AddSub4(BusA[3:0], BusB[3:0], ALU_Op[1], ALU_Op[1] ^ (UseCarry && F_In[Flag_C]) );
{ Carry7_v, Q_v[6:4] } = AddSub3(BusA[6:4], BusB[6:4], ALU_Op[1], HalfCarry_v);
{ Carry_v, Q_v[7] } = AddSub1(BusA[7], BusB[7], ALU_Op[1], Carry7_v);
OverFlow_v = Carry_v ^ Carry7_v;
end // always @ *
reg [7:0] Q_t;
reg [8:0] DAA_Q;
always @ (/*AUTOSENSE*/ALU_Op or Arith16 or BitMask or BusA or BusB
or Carry_v or F_In or HalfCarry_v or IR or ISet
or OverFlow_v or Q_v or Z16)
begin
Q_t = 8'hxx;
DAA_Q = {9{1'bx}};
F_Out = F_In;
case (ALU_Op)
4'b0000, 4'b0001, 4'b0010, 4'b0011, 4'b0100, 4'b0101, 4'b0110, 4'b0111 :
begin
F_Out[Flag_N] = 1'b0;
F_Out[Flag_C] = 1'b0;
case (ALU_Op[2:0])
3'b000, 3'b001 : // ADD, ADC
begin
Q_t = Q_v;
F_Out[Flag_C] = Carry_v;
F_Out[Flag_H] = HalfCarry_v;
F_Out[Flag_P] = OverFlow_v;
end
3'b010, 3'b011, 3'b111 : // SUB, SBC, CP
begin
Q_t = Q_v;
F_Out[Flag_N] = 1'b1;
F_Out[Flag_C] = ~ Carry_v;
F_Out[Flag_H] = ~ HalfCarry_v;
F_Out[Flag_P] = OverFlow_v;
end
3'b100 : // AND
begin
Q_t[7:0] = BusA & BusB;
F_Out[Flag_H] = 1'b1;
end
3'b101 : // XOR
begin
Q_t[7:0] = BusA ^ BusB;
F_Out[Flag_H] = 1'b0;
end
default : // OR 3'b110
begin
Q_t[7:0] = BusA | BusB;
F_Out[Flag_H] = 1'b0;
end
endcase // case(ALU_OP[2:0])
if (ALU_Op[2:0] == 3'b111 )
begin // CP
F_Out[Flag_X] = BusB[3];
F_Out[Flag_Y] = BusB[5];
end
else
begin
F_Out[Flag_X] = Q_t[3];
F_Out[Flag_Y] = Q_t[5];
end
if (Q_t[7:0] == 8'b00000000 )
begin
F_Out[Flag_Z] = 1'b1;
if (Z16 == 1'b1 )
begin
F_Out[Flag_Z] = F_In[Flag_Z]; // 16 bit ADC,SBC
end
end
else
begin
F_Out[Flag_Z] = 1'b0;
end // else: !if(Q_t[7:0] == 8'b00000000 )
F_Out[Flag_S] = Q_t[7];
case (ALU_Op[2:0])
3'b000, 3'b001, 3'b010, 3'b011, 3'b111 : // ADD, ADC, SUB, SBC, CP
;
default :
F_Out[Flag_P] = ~(^Q_t);
endcase // case(ALU_Op[2:0])
if (Arith16 == 1'b1 )
begin
F_Out[Flag_S] = F_In[Flag_S];
F_Out[Flag_Z] = F_In[Flag_Z];
F_Out[Flag_P] = F_In[Flag_P];
end
end // case: 4'b0000, 4'b0001, 4'b0010, 4'b0011, 4'b0100, 4'b0101, 4'b0110, 4'b0111
4'b1100 :
begin
// DAA
F_Out[Flag_H] = F_In[Flag_H];
F_Out[Flag_C] = F_In[Flag_C];
DAA_Q[7:0] = BusA;
DAA_Q[8] = 1'b0;
if (F_In[Flag_N] == 1'b0 )
begin
// After addition
// Alow > 9 || H == 1
if (DAA_Q[3:0] > 9 || F_In[Flag_H] == 1'b1 )
begin
if ((DAA_Q[3:0] > 9) )
begin
F_Out[Flag_H] = 1'b1;
end
else
begin
F_Out[Flag_H] = 1'b0;
end
DAA_Q = DAA_Q + 6;
end // if (DAA_Q[3:0] > 9 || F_In[Flag_H] == 1'b1 )
// new Ahigh > 9 || C == 1
if (DAA_Q[8:4] > 9 || F_In[Flag_C] == 1'b1 )
begin
DAA_Q = DAA_Q + 96; // 0x60
end
end
else
begin
// After subtraction
if (DAA_Q[3:0] > 9 || F_In[Flag_H] == 1'b1 )
begin
if (DAA_Q[3:0] > 5 )
begin
F_Out[Flag_H] = 1'b0;
end
DAA_Q[7:0] = DAA_Q[7:0] - 6;
end
if (BusA > 153 || F_In[Flag_C] == 1'b1 )
begin
DAA_Q = DAA_Q - 352; // 0x160
end
end // else: !if(F_In[Flag_N] == 1'b0 )
F_Out[Flag_X] = DAA_Q[3];
F_Out[Flag_Y] = DAA_Q[5];
F_Out[Flag_C] = F_In[Flag_C] || DAA_Q[8];
Q_t = DAA_Q[7:0];
if (DAA_Q[7:0] == 8'b00000000 )
begin
F_Out[Flag_Z] = 1'b1;
end
else
begin
F_Out[Flag_Z] = 1'b0;
end
F_Out[Flag_S] = DAA_Q[7];
F_Out[Flag_P] = ~ (^DAA_Q);
end // case: 4'b1100
4'b1101, 4'b1110 :
begin
// RLD, RRD
Q_t[7:4] = BusA[7:4];
if (ALU_Op[0] == 1'b1 )
begin
Q_t[3:0] = BusB[7:4];
end
else
begin
Q_t[3:0] = BusB[3:0];
end
F_Out[Flag_H] = 1'b0;
F_Out[Flag_N] = 1'b0;
F_Out[Flag_X] = Q_t[3];
F_Out[Flag_Y] = Q_t[5];
if (Q_t[7:0] == 8'b00000000 )
begin
F_Out[Flag_Z] = 1'b1;
end
else
begin
F_Out[Flag_Z] = 1'b0;
end
F_Out[Flag_S] = Q_t[7];
F_Out[Flag_P] = ~(^Q_t);
end // case: when 4'b1101, 4'b1110
4'b1001 :
begin
// BIT
Q_t[7:0] = BusB & BitMask;
F_Out[Flag_S] = Q_t[7];
if (Q_t[7:0] == 8'b00000000 )
begin
F_Out[Flag_Z] = 1'b1;
F_Out[Flag_P] = 1'b1;
end
else
begin
F_Out[Flag_Z] = 1'b0;
F_Out[Flag_P] = 1'b0;
end
F_Out[Flag_H] = 1'b1;
F_Out[Flag_N] = 1'b0;
F_Out[Flag_X] = 1'b0;
F_Out[Flag_Y] = 1'b0;
if (IR[2:0] != 3'b110 )
begin
F_Out[Flag_X] = BusB[3];
F_Out[Flag_Y] = BusB[5];
end
end // case: when 4'b1001
4'b1010 :
// SET
Q_t[7:0] = BusB | BitMask;
4'b1011 :
// RES
Q_t[7:0] = BusB & ~ BitMask;
4'b1000 :
begin
// ROT
case (IR[5:3])
3'b000 : // RLC
begin
Q_t[7:1] = BusA[6:0];
Q_t[0] = BusA[7];
F_Out[Flag_C] = BusA[7];
end
3'b010 : // RL
begin
Q_t[7:1] = BusA[6:0];
Q_t[0] = F_In[Flag_C];
F_Out[Flag_C] = BusA[7];
end
3'b001 : // RRC
begin
Q_t[6:0] = BusA[7:1];
Q_t[7] = BusA[0];
F_Out[Flag_C] = BusA[0];
end
3'b011 : // RR
begin
Q_t[6:0] = BusA[7:1];
Q_t[7] = F_In[Flag_C];
F_Out[Flag_C] = BusA[0];
end
3'b100 : // SLA
begin
Q_t[7:1] = BusA[6:0];
Q_t[0] = 1'b0;
F_Out[Flag_C] = BusA[7];
end
3'b110 : // SLL (Undocumented) / SWAP
begin
if (Mode == 3 )
begin
Q_t[7:4] = BusA[3:0];
Q_t[3:0] = BusA[7:4];
F_Out[Flag_C] = 1'b0;
end
else
begin
Q_t[7:1] = BusA[6:0];
Q_t[0] = 1'b1;
F_Out[Flag_C] = BusA[7];
end // else: !if(Mode == 3 )
end // case: 3'b110
3'b101 : // SRA
begin
Q_t[6:0] = BusA[7:1];
Q_t[7] = BusA[7];
F_Out[Flag_C] = BusA[0];
end
default : // SRL
begin
Q_t[6:0] = BusA[7:1];
Q_t[7] = 1'b0;
F_Out[Flag_C] = BusA[0];
end
endcase // case(IR[5:3])
F_Out[Flag_H] = 1'b0;
F_Out[Flag_N] = 1'b0;
F_Out[Flag_X] = Q_t[3];
F_Out[Flag_Y] = Q_t[5];
F_Out[Flag_S] = Q_t[7];
if (Q_t[7:0] == 8'b00000000 )
begin
F_Out[Flag_Z] = 1'b1;
end
else
begin
F_Out[Flag_Z] = 1'b0;
end
F_Out[Flag_P] = ~(^Q_t);
if (ISet == 2'b00 )
begin
F_Out[Flag_P] = F_In[Flag_P];
F_Out[Flag_S] = F_In[Flag_S];
F_Out[Flag_Z] = F_In[Flag_Z];
end
end // case: 4'b1000
default :
;
endcase // case(ALU_Op)
Q = Q_t;
end // always @ (Arith16, ALU_OP, F_In, BusA, BusB, IR, Q_v, Carry_v, HalfCarry_v, OverFlow_v, BitMask, ISet, Z16)
endmodule // T80_ALU

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//
// TV80 8-Bit Microprocessor Core
// Based on the VHDL T80 core by Daniel Wallner (jesus@opencores.org)
//
// Copyright (c) 2004 Guy Hutchison (ghutchis@opencores.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
module tv80_reg (/*AUTOARG*/
// Outputs
DOBH, DOAL, DOCL, DOBL, DOCH, DOAH,
// Inputs
AddrC, AddrA, AddrB, DIH, DIL, clk, CEN, WEH, WEL
);
input [2:0] AddrC;
output [7:0] DOBH;
input [2:0] AddrA;
input [2:0] AddrB;
input [7:0] DIH;
output [7:0] DOAL;
output [7:0] DOCL;
input [7:0] DIL;
output [7:0] DOBL;
output [7:0] DOCH;
output [7:0] DOAH;
input clk, CEN, WEH, WEL;
reg [7:0] RegsH [0:7];
reg [7:0] RegsL [0:7];
always @(posedge clk)
begin
if (CEN)
begin
if (WEH) RegsH[AddrA] <= DIH;
if (WEL) RegsL[AddrA] <= DIL;
end
end
assign DOAH = RegsH[AddrA];
assign DOAL = RegsL[AddrA];
assign DOBH = RegsH[AddrB];
assign DOBL = RegsL[AddrB];
assign DOCH = RegsH[AddrC];
assign DOCL = RegsL[AddrC];
// break out ram bits for waveform debug
// synopsys translate_off
wire [7:0] B = RegsH[0];
wire [7:0] C = RegsL[0];
wire [7:0] D = RegsH[1];
wire [7:0] E = RegsL[1];
wire [7:0] H = RegsH[2];
wire [7:0] L = RegsL[2];
wire [15:0] IX = { RegsH[3], RegsL[3] };
wire [15:0] IY = { RegsH[7], RegsL[7] };
// synopsys translate_on
endmodule

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//
//
// Copyright (c) 2017 Sorgelig
//
// This program is GPL Licensed. See COPYING for the full license.
//
//
////////////////////////////////////////////////////////////////////////////////////////////////////////
`timescale 1ns / 1ps
//
// LINE_LENGTH: Length of display line in pixels
// Usually it's length from HSync to HSync.
// May be less if line_start is used.
//
// HALF_DEPTH: If =1 then color dept is 3 bits per component
// For half depth 6 bits monochrome is available with
// mono signal enabled and color = {G, R}
module video_mixer
#(
parameter LINE_LENGTH = 768,
parameter HALF_DEPTH = 0,
parameter OSD_COLOR = 3'd4,
parameter OSD_X_OFFSET = 10'd0,
parameter OSD_Y_OFFSET = 10'd0
)
(
// master clock
// it should be multiple by (ce_pix*4).
input clk_sys,
// Pixel clock or clock_enable (both are accepted).
input ce_pix,
// Some systems have multiple resolutions.
// ce_pix_actual should match ce_pix where every second or fourth pulse is enabled,
// thus half or qurter resolutions can be used without brake video sync while switching resolutions.
// For fixed single resolution (or when video sync stability isn't required) ce_pix_actual = ce_pix.
input ce_pix_actual,
// OSD SPI interface
input SPI_SCK,
input SPI_SS3,
input SPI_DI,
// scanlines (00-none 01-25% 10-50% 11-75%)
input [1:0] scanlines,
// 0 = HVSync 31KHz, 1 = CSync 15KHz
input scandoubler_disable,
// High quality 2x scaling
input hq2x,
// YPbPr always uses composite sync
input ypbpr,
// 0 = 16-240 range. 1 = 0-255 range. (only for YPbPr color space)
input ypbpr_full,
// color
input [DWIDTH:0] R,
input [DWIDTH:0] G,
input [DWIDTH:0] B,
// Monochrome mode (for HALF_DEPTH only)
input mono,
// interlace sync. Positive pulses.
input HSync,
input VSync,
// Falling of this signal means start of informative part of line.
// It can be horizontal blank signal.
// This signal can be used to reduce amount of required FPGA RAM for HQ2x scan doubler
// If FPGA RAM is not an issue, then simply set it to 0 for whole line processing.
// Keep in mind: due to algo first and last pixels of line should be black to avoid side artefacts.
// Thus, if blank signal is used to reduce the line, make sure to feed at least one black (or paper) pixel
// before first informative pixel.
input line_start,
// MiST video output signals
output [5:0] VGA_R,
output [5:0] VGA_G,
output [5:0] VGA_B,
output VGA_VS,
output VGA_HS
);
localparam DWIDTH = HALF_DEPTH ? 2 : 5;
wire [DWIDTH:0] R_sd;
wire [DWIDTH:0] G_sd;
wire [DWIDTH:0] B_sd;
wire hs_sd, vs_sd;
scandoubler #(.LENGTH(LINE_LENGTH), .HALF_DEPTH(HALF_DEPTH)) scandoubler
(
.*,
.hs_in(HSync),
.vs_in(VSync),
.r_in(R),
.g_in(G),
.b_in(B),
.hs_out(hs_sd),
.vs_out(vs_sd),
.r_out(R_sd),
.g_out(G_sd),
.b_out(B_sd)
);
wire [DWIDTH:0] rt = (scandoubler_disable ? R : R_sd);
wire [DWIDTH:0] gt = (scandoubler_disable ? G : G_sd);
wire [DWIDTH:0] bt = (scandoubler_disable ? B : B_sd);
generate
if(HALF_DEPTH) begin
wire [5:0] r = mono ? {gt,rt} : {rt,rt};
wire [5:0] g = mono ? {gt,rt} : {gt,gt};
wire [5:0] b = mono ? {gt,rt} : {bt,bt};
end else begin
wire [5:0] r = rt;
wire [5:0] g = gt;
wire [5:0] b = bt;
end
endgenerate
wire hs = (scandoubler_disable ? HSync : hs_sd);
wire vs = (scandoubler_disable ? VSync : vs_sd);
reg scanline = 0;
always @(posedge clk_sys) begin
reg old_hs, old_vs;
old_hs <= hs;
old_vs <= vs;
if(old_hs && ~hs) scanline <= ~scanline;
if(old_vs && ~vs) scanline <= 0;
end
wire [5:0] r_out, g_out, b_out;
always @(*) begin
case(scanlines & {scanline, scanline})
1: begin // reduce 25% = 1/2 + 1/4
r_out = {1'b0, r[5:1]} + {2'b00, r[5:2]};
g_out = {1'b0, g[5:1]} + {2'b00, g[5:2]};
b_out = {1'b0, b[5:1]} + {2'b00, b[5:2]};
end
2: begin // reduce 50% = 1/2
r_out = {1'b0, r[5:1]};
g_out = {1'b0, g[5:1]};
b_out = {1'b0, b[5:1]};
end
3: begin // reduce 75% = 1/4
r_out = {2'b00, r[5:2]};
g_out = {2'b00, g[5:2]};
b_out = {2'b00, b[5:2]};
end
default: begin
r_out = r;
g_out = g;
b_out = b;
end
endcase
end
wire [5:0] red, green, blue;
osd #(OSD_X_OFFSET, OSD_Y_OFFSET, OSD_COLOR) osd
(
.*,
.R_in(r_out),
.G_in(g_out),
.B_in(b_out),
.HSync(hs),
.VSync(vs),
.R_out(red),
.G_out(green),
.B_out(blue)
);
wire [5:0] yuv_full[225] = '{
6'd0, 6'd0, 6'd0, 6'd0, 6'd1, 6'd1, 6'd1, 6'd1,
6'd2, 6'd2, 6'd2, 6'd3, 6'd3, 6'd3, 6'd3, 6'd4,
6'd4, 6'd4, 6'd5, 6'd5, 6'd5, 6'd5, 6'd6, 6'd6,
6'd6, 6'd7, 6'd7, 6'd7, 6'd7, 6'd8, 6'd8, 6'd8,
6'd9, 6'd9, 6'd9, 6'd9, 6'd10, 6'd10, 6'd10, 6'd11,
6'd11, 6'd11, 6'd11, 6'd12, 6'd12, 6'd12, 6'd13, 6'd13,
6'd13, 6'd13, 6'd14, 6'd14, 6'd14, 6'd15, 6'd15, 6'd15,
6'd15, 6'd16, 6'd16, 6'd16, 6'd17, 6'd17, 6'd17, 6'd17,
6'd18, 6'd18, 6'd18, 6'd19, 6'd19, 6'd19, 6'd19, 6'd20,
6'd20, 6'd20, 6'd21, 6'd21, 6'd21, 6'd21, 6'd22, 6'd22,
6'd22, 6'd23, 6'd23, 6'd23, 6'd23, 6'd24, 6'd24, 6'd24,
6'd25, 6'd25, 6'd25, 6'd25, 6'd26, 6'd26, 6'd26, 6'd27,
6'd27, 6'd27, 6'd27, 6'd28, 6'd28, 6'd28, 6'd29, 6'd29,
6'd29, 6'd29, 6'd30, 6'd30, 6'd30, 6'd31, 6'd31, 6'd31,
6'd31, 6'd32, 6'd32, 6'd32, 6'd33, 6'd33, 6'd33, 6'd33,
6'd34, 6'd34, 6'd34, 6'd35, 6'd35, 6'd35, 6'd35, 6'd36,
6'd36, 6'd36, 6'd36, 6'd37, 6'd37, 6'd37, 6'd38, 6'd38,
6'd38, 6'd38, 6'd39, 6'd39, 6'd39, 6'd40, 6'd40, 6'd40,
6'd40, 6'd41, 6'd41, 6'd41, 6'd42, 6'd42, 6'd42, 6'd42,
6'd43, 6'd43, 6'd43, 6'd44, 6'd44, 6'd44, 6'd44, 6'd45,
6'd45, 6'd45, 6'd46, 6'd46, 6'd46, 6'd46, 6'd47, 6'd47,
6'd47, 6'd48, 6'd48, 6'd48, 6'd48, 6'd49, 6'd49, 6'd49,
6'd50, 6'd50, 6'd50, 6'd50, 6'd51, 6'd51, 6'd51, 6'd52,
6'd52, 6'd52, 6'd52, 6'd53, 6'd53, 6'd53, 6'd54, 6'd54,
6'd54, 6'd54, 6'd55, 6'd55, 6'd55, 6'd56, 6'd56, 6'd56,
6'd56, 6'd57, 6'd57, 6'd57, 6'd58, 6'd58, 6'd58, 6'd58,
6'd59, 6'd59, 6'd59, 6'd60, 6'd60, 6'd60, 6'd60, 6'd61,
6'd61, 6'd61, 6'd62, 6'd62, 6'd62, 6'd62, 6'd63, 6'd63,
6'd63
};
// http://marsee101.blog19.fc2.com/blog-entry-2311.html
// Y = 16 + 0.257*R + 0.504*G + 0.098*B (Y = 0.299*R + 0.587*G + 0.114*B)
// Pb = 128 - 0.148*R - 0.291*G + 0.439*B (Pb = -0.169*R - 0.331*G + 0.500*B)
// Pr = 128 + 0.439*R - 0.368*G - 0.071*B (Pr = 0.500*R - 0.419*G - 0.081*B)
wire [18:0] y_8 = 19'd04096 + ({red, 8'd0} + {red, 3'd0}) + ({green, 9'd0} + {green, 2'd0}) + ({blue, 6'd0} + {blue, 5'd0} + {blue, 2'd0});
wire [18:0] pb_8 = 19'd32768 - ({red, 7'd0} + {red, 4'd0} + {red, 3'd0}) - ({green, 8'd0} + {green, 5'd0} + {green, 3'd0}) + ({blue, 8'd0} + {blue, 7'd0} + {blue, 6'd0});
wire [18:0] pr_8 = 19'd32768 + ({red, 8'd0} + {red, 7'd0} + {red, 6'd0}) - ({green, 8'd0} + {green, 6'd0} + {green, 5'd0} + {green, 4'd0} + {green, 3'd0}) - ({blue, 6'd0} + {blue , 3'd0});
wire [7:0] y = ( y_8[17:8] < 16) ? 8'd16 : ( y_8[17:8] > 235) ? 8'd235 : y_8[15:8];
wire [7:0] pb = (pb_8[17:8] < 16) ? 8'd16 : (pb_8[17:8] > 240) ? 8'd240 : pb_8[15:8];
wire [7:0] pr = (pr_8[17:8] < 16) ? 8'd16 : (pr_8[17:8] > 240) ? 8'd240 : pr_8[15:8];
assign VGA_R = ypbpr ? (ypbpr_full ? yuv_full[pr-8'd16] : pr[7:2]) : red;
assign VGA_G = ypbpr ? (ypbpr_full ? yuv_full[y -8'd16] : y[7:2]) : green;
assign VGA_B = ypbpr ? (ypbpr_full ? yuv_full[pb-8'd16] : pb[7:2]) : blue;
assign VGA_VS = (scandoubler_disable | ypbpr) ? 1'b1 : ~vs_sd;
assign VGA_HS = scandoubler_disable ? ~(HSync ^ VSync) : ypbpr ? ~(hs_sd ^ vs_sd) : ~hs_sd;
endmodule

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@@ -2,6 +2,7 @@ Arcade Cores
#Atari Hardware
Computer Space
Dottori Kun
Sprint 2
Sprint One
Super Breakout

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@@ -1,2 +1,2 @@
`define BUILD_DATE "180929"
`define BUILD_TIME "151118"
`define BUILD_DATE "180930"
`define BUILD_TIME "151025"