mirror of
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synced 2026-01-16 16:18:32 +00:00
Midway8080: update Space Laser
This commit is contained in:
parent
53969261fe
commit
a0ca140cc1
@ -41,26 +41,9 @@
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# ========================
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set_global_assignment -name ORIGINAL_QUARTUS_VERSION 13.1
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set_global_assignment -name PROJECT_CREATION_TIME_DATE "21:27:39 NOVEMBER 20, 2017"
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set_global_assignment -name LAST_QUARTUS_VERSION 13.1
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set_global_assignment -name LAST_QUARTUS_VERSION "13.1 SP4.26"
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set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
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set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/spacelaser_mist.sv
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/spacelaser_memory.sv
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set_global_assignment -name VHDL_FILE rtl/spacelaser_overlay.vhd
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set_global_assignment -name VHDL_FILE rtl/invaders.vhd
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set_global_assignment -name VHDL_FILE rtl/mw8080.vhd
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set_global_assignment -name VHDL_FILE rtl/invaders_audio.vhd
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set_global_assignment -name VHDL_FILE rtl/sprom.vhd
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set_global_assignment -name VHDL_FILE rtl/spram.vhd
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set_global_assignment -name VHDL_FILE rtl/roms/clr.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T8080se.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_Reg.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_Pack.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_MCode.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80_ALU.vhd
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set_global_assignment -name VHDL_FILE rtl/T80/T80.vhd
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set_global_assignment -name VHDL_FILE rtl/pll.vhd
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set_global_assignment -name QIP_FILE ../../../../common/mist/mist.qip
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# Pin & Location Assignments
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# ==========================
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@ -124,7 +107,7 @@ set_global_assignment -name RESERVE_DCLK_AFTER_CONFIGURATION "USE AS REGULAR IO"
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# EDA Netlist Writer Assignments
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# ==============================
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set_global_assignment -name EDA_SIMULATION_TOOL "ModelSim-Altera (VHDL)"
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set_global_assignment -name EDA_SIMULATION_TOOL "<None>"
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# Assembler Assignments
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# =====================
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@ -148,7 +131,7 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
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# EDA Netlist Writer Assignments
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# ==============================
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set_global_assignment -name EDA_OUTPUT_DATA_FORMAT VHDL -section_id eda_simulation
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set_global_assignment -name EDA_OUTPUT_DATA_FORMAT NONE -section_id eda_simulation
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# end EDA_TOOL_SETTINGS(eda_simulation)
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# -------------------------------------
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@ -170,4 +153,16 @@ set_global_assignment -name OUTPUT_IO_TIMING_FAR_END_VMEAS "HALF SIGNAL SWING" -
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# end ENTITY(SpaceLaser_mist)
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# ---------------------------
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/spacelaser_mist.sv
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set_global_assignment -name SYSTEMVERILOG_FILE rtl/spacelaser_memory.sv
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set_global_assignment -name VHDL_FILE rtl/spacelaser_overlay.vhd
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set_global_assignment -name VHDL_FILE rtl/invaders.vhd
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set_global_assignment -name VHDL_FILE rtl/mw8080.vhd
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set_global_assignment -name VHDL_FILE rtl/invaders_audio.vhd
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set_global_assignment -name VHDL_FILE rtl/sprom.vhd
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set_global_assignment -name VHDL_FILE rtl/spram.vhd
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set_global_assignment -name VHDL_FILE rtl/roms/clr.vhd
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set_global_assignment -name VHDL_FILE rtl/pll.vhd
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set_global_assignment -name QIP_FILE ../../../common/mist/mist.qip
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set_global_assignment -name QIP_FILE ../../../common/CPU/T80/T80.qip
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set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
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@ -87,7 +87,7 @@ set_output_delay -add_delay -clock_fall -clock [get_clocks {SPI_SCK}] 1.000 [g
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set_output_delay -add_delay -clock_fall -clock [get_clocks {pll|altpll_component|auto_generated|pll1|clk[0]}] 1.000 [get_ports {AUDIO_L}]
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set_output_delay -add_delay -clock_fall -clock [get_clocks {pll|altpll_component|auto_generated|pll1|clk[0]}] 1.000 [get_ports {AUDIO_R}]
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set_output_delay -add_delay -clock_fall -clock [get_clocks {pll|altpll_component|auto_generated|pll1|clk[0]}] 1.000 [get_ports {LED}]
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set_output_delay -add_delay -clock_fall -clock [get_clocks {pll|altpll_component|auto_generated|pll1|clk[0]}] 1.000 [get_ports {VGA_*}]
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set_output_delay -add_delay -clock_fall -clock [get_clocks {pll|altpll_component|auto_generated|pll1|clk[1]}] 1.000 [get_ports {VGA_*}]
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#**************************************************************
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# Set Clock Groups
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File diff suppressed because it is too large
Load Diff
@ -1,194 +0,0 @@
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-- ****
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-- T80(b) core. In an effort to merge and maintain bug fixes ....
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--
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--
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-- Ver 300 started tidyup
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-- MikeJ March 2005
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-- Latest version from www.fpgaarcade.com (original www.opencores.org)
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--
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-- ****
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--
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-- 8080 compatible microprocessor core, synchronous top level with clock enable
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-- Different timing than the original 8080
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-- Inputs needs to be synchronous and outputs may glitch
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--
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-- Version : 0242
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--
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-- Copyright (c) 2002 Daniel Wallner (jesus@opencores.org)
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--
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-- All rights reserved
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--
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-- Redistribution and use in source and synthezised forms, with or without
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-- modification, are permitted provided that the following conditions are met:
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--
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-- Redistributions of source code must retain the above copyright notice,
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-- this list of conditions and the following disclaimer.
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--
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-- Redistributions in synthesized form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- Neither the name of the author nor the names of other contributors may
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-- be used to endorse or promote products derived from this software without
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-- specific prior written permission.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
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-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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-- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
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-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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--
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-- Please report bugs to the author, but before you do so, please
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-- make sure that this is not a derivative work and that
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-- you have the latest version of this file.
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--
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-- The latest version of this file can be found at:
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-- http://www.opencores.org/cvsweb.shtml/t80/
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--
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-- Limitations :
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-- STACK status output not supported
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--
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-- File history :
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--
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-- 0237 : First version
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--
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-- 0238 : Updated for T80 interface change
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--
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-- 0240 : Updated for T80 interface change
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--
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-- 0242 : Updated for T80 interface change
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--
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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use work.T80_Pack.all;
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entity T8080se is
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generic(
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Mode : integer := 2; -- 0 => Z80, 1 => Fast Z80, 2 => 8080, 3 => GB
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T2Write : integer := 0 -- 0 => WR_n active in T3, /=0 => WR_n active in T2
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);
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port(
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RESET_n : in std_logic;
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CLK : in std_logic;
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CLKEN : in std_logic;
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READY : in std_logic;
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HOLD : in std_logic;
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INT : in std_logic;
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INTE : out std_logic;
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DBIN : out std_logic;
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SYNC : out std_logic;
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VAIT : out std_logic;
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HLDA : out std_logic;
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WR_n : out std_logic;
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A : out std_logic_vector(15 downto 0);
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DI : in std_logic_vector(7 downto 0);
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DO : out std_logic_vector(7 downto 0)
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);
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end T8080se;
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architecture rtl of T8080se is
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signal IntCycle_n : std_logic;
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signal NoRead : std_logic;
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signal Write : std_logic;
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signal IORQ : std_logic;
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signal INT_n : std_logic;
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signal HALT_n : std_logic;
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signal BUSRQ_n : std_logic;
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signal BUSAK_n : std_logic;
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signal DO_i : std_logic_vector(7 downto 0);
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signal DI_Reg : std_logic_vector(7 downto 0);
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signal MCycle : std_logic_vector(2 downto 0);
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signal TState : std_logic_vector(2 downto 0);
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signal One : std_logic;
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begin
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INT_n <= not INT;
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BUSRQ_n <= HOLD;
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HLDA <= not BUSAK_n;
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SYNC <= '1' when TState = "001" else '0';
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VAIT <= '1' when TState = "010" else '0';
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One <= '1';
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DO(0) <= not IntCycle_n when TState = "001" else DO_i(0); -- INTA
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DO(1) <= Write when TState = "001" else DO_i(1); -- WO_n
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DO(2) <= DO_i(2); -- STACK not supported !!!!!!!!!!
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DO(3) <= not HALT_n when TState = "001" else DO_i(3); -- HLTA
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DO(4) <= IORQ and Write when TState = "001" else DO_i(4); -- OUT
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DO(5) <= DO_i(5) when TState /= "001" else '1' when MCycle = "001" else '0'; -- M1
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DO(6) <= IORQ and not Write when TState = "001" else DO_i(6); -- INP
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DO(7) <= not IORQ and not Write and IntCycle_n when TState = "001" else DO_i(7); -- MEMR
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u0 : T80
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generic map(
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Mode => Mode,
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IOWait => 0)
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port map(
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CEN => CLKEN,
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M1_n => open,
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IORQ => IORQ,
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NoRead => NoRead,
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Write => Write,
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RFSH_n => open,
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HALT_n => HALT_n,
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WAIT_n => READY,
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INT_n => INT_n,
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NMI_n => One,
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RESET_n => RESET_n,
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BUSRQ_n => One,
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BUSAK_n => BUSAK_n,
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CLK_n => CLK,
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A => A,
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DInst => DI,
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DI => DI_Reg,
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DO => DO_i,
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MC => MCycle,
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TS => TState,
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IntCycle_n => IntCycle_n,
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IntE => INTE);
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process (RESET_n, CLK)
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begin
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if RESET_n = '0' then
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DBIN <= '0';
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WR_n <= '1';
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DI_Reg <= "00000000";
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elsif CLK'event and CLK = '1' then
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if CLKEN = '1' then
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DBIN <= '0';
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WR_n <= '1';
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if MCycle = "001" then
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if TState = "001" or (TState = "010" and READY = '0') then
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DBIN <= IntCycle_n;
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end if;
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else
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if (TState = "001" or (TState = "010" and READY = '0')) and NoRead = '0' and Write = '0' then
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DBIN <= '1';
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end if;
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if T2Write = 0 then
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if TState = "010" and Write = '1' then
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WR_n <= '0';
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end if;
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else
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if (TState = "001" or (TState = "010" and READY = '0')) and Write = '1' then
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WR_n <= '0';
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end if;
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end if;
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end if;
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if TState = "010" and READY = '1' then
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DI_Reg <= DI;
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end if;
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end if;
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end if;
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end process;
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end;
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@ -1,361 +0,0 @@
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-- ****
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-- T80(b) core. In an effort to merge and maintain bug fixes ....
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--
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--
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-- Ver 300 started tidyup
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-- MikeJ March 2005
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-- Latest version from www.fpgaarcade.com (original www.opencores.org)
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--
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-- ****
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--
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-- Z80 compatible microprocessor core
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--
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-- Version : 0247
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--
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-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
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--
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-- All rights reserved
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--
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-- Redistribution and use in source and synthezised forms, with or without
|
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-- 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 synthesized 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 author nor the names of other contributors may
|
||||
-- be used to endorse or promote products derived from this software without
|
||||
-- specific prior written permission.
|
||||
--
|
||||
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 AUTHOR OR 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.
|
||||
--
|
||||
-- Please report bugs to the author, but before you do so, please
|
||||
-- make sure that this is not a derivative work and that
|
||||
-- you have the latest version of this file.
|
||||
--
|
||||
-- The latest version of this file can be found at:
|
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-- http://www.opencores.org/cvsweb.shtml/t80/
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--
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-- Limitations :
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--
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-- File history :
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--
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-- 0214 : Fixed mostly flags, only the block instructions now fail the zex regression test
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--
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-- 0238 : Fixed zero flag for 16 bit SBC and ADC
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--
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-- 0240 : Added GB operations
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--
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-- 0242 : Cleanup
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--
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-- 0247 : Cleanup
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--
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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entity T80_ALU is
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generic(
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Mode : integer := 0;
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Flag_C : integer := 0;
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Flag_N : integer := 1;
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Flag_P : integer := 2;
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Flag_X : integer := 3;
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Flag_H : integer := 4;
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Flag_Y : integer := 5;
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Flag_Z : integer := 6;
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Flag_S : integer := 7
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);
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port(
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Arith16 : in std_logic;
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Z16 : in std_logic;
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ALU_Op : in std_logic_vector(3 downto 0);
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IR : in std_logic_vector(5 downto 0);
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ISet : in std_logic_vector(1 downto 0);
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BusA : in std_logic_vector(7 downto 0);
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BusB : in std_logic_vector(7 downto 0);
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F_In : in std_logic_vector(7 downto 0);
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Q : out std_logic_vector(7 downto 0);
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F_Out : out std_logic_vector(7 downto 0)
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);
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end T80_ALU;
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architecture rtl of T80_ALU is
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||||
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procedure AddSub(A : std_logic_vector;
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B : std_logic_vector;
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Sub : std_logic;
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Carry_In : std_logic;
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signal Res : out std_logic_vector;
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signal Carry : out std_logic) is
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variable B_i : unsigned(A'length - 1 downto 0);
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||||
variable Res_i : unsigned(A'length + 1 downto 0);
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begin
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if Sub = '1' then
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B_i := not unsigned(B);
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||||
else
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B_i := unsigned(B);
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end if;
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||||
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Res_i := unsigned("0" & A & Carry_In) + unsigned("0" & B_i & "1");
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Carry <= Res_i(A'length + 1);
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Res <= std_logic_vector(Res_i(A'length downto 1));
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end;
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-- AddSub variables (temporary signals)
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signal UseCarry : std_logic;
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signal Carry7_v : std_logic;
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signal Overflow_v : std_logic;
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signal HalfCarry_v : std_logic;
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signal Carry_v : std_logic;
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signal Q_v : std_logic_vector(7 downto 0);
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||||
|
||||
signal BitMask : std_logic_vector(7 downto 0);
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||||
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||||
begin
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||||
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||||
with IR(5 downto 3) select BitMask <= "00000001" when "000",
|
||||
"00000010" when "001",
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"00000100" when "010",
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||||
"00001000" when "011",
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||||
"00010000" when "100",
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||||
"00100000" when "101",
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||||
"01000000" when "110",
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||||
"10000000" when others;
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||||
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||||
UseCarry <= not ALU_Op(2) and ALU_Op(0);
|
||||
AddSub(BusA(3 downto 0), BusB(3 downto 0), ALU_Op(1), ALU_Op(1) xor (UseCarry and F_In(Flag_C)), Q_v(3 downto 0), HalfCarry_v);
|
||||
AddSub(BusA(6 downto 4), BusB(6 downto 4), ALU_Op(1), HalfCarry_v, Q_v(6 downto 4), Carry7_v);
|
||||
AddSub(BusA(7 downto 7), BusB(7 downto 7), ALU_Op(1), Carry7_v, Q_v(7 downto 7), Carry_v);
|
||||
OverFlow_v <= Carry_v xor Carry7_v;
|
||||
|
||||
process (Arith16, ALU_OP, F_In, BusA, BusB, IR, Q_v, Carry_v, HalfCarry_v, OverFlow_v, BitMask, ISet, Z16)
|
||||
variable Q_t : std_logic_vector(7 downto 0);
|
||||
variable DAA_Q : unsigned(8 downto 0);
|
||||
begin
|
||||
Q_t := "--------";
|
||||
F_Out <= F_In;
|
||||
DAA_Q := "---------";
|
||||
case ALU_Op is
|
||||
when "0000" | "0001" | "0010" | "0011" | "0100" | "0101" | "0110" | "0111" =>
|
||||
F_Out(Flag_N) <= '0';
|
||||
F_Out(Flag_C) <= '0';
|
||||
case ALU_OP(2 downto 0) is
|
||||
when "000" | "001" => -- ADD, ADC
|
||||
Q_t := Q_v;
|
||||
F_Out(Flag_C) <= Carry_v;
|
||||
F_Out(Flag_H) <= HalfCarry_v;
|
||||
F_Out(Flag_P) <= OverFlow_v;
|
||||
when "010" | "011" | "111" => -- SUB, SBC, CP
|
||||
Q_t := Q_v;
|
||||
F_Out(Flag_N) <= '1';
|
||||
F_Out(Flag_C) <= not Carry_v;
|
||||
F_Out(Flag_H) <= not HalfCarry_v;
|
||||
F_Out(Flag_P) <= OverFlow_v;
|
||||
when "100" => -- AND
|
||||
Q_t(7 downto 0) := BusA and BusB;
|
||||
F_Out(Flag_H) <= '1';
|
||||
when "101" => -- XOR
|
||||
Q_t(7 downto 0) := BusA xor BusB;
|
||||
F_Out(Flag_H) <= '0';
|
||||
when others => -- OR "110"
|
||||
Q_t(7 downto 0) := BusA or BusB;
|
||||
F_Out(Flag_H) <= '0';
|
||||
end case;
|
||||
if ALU_Op(2 downto 0) = "111" then -- CP
|
||||
F_Out(Flag_X) <= BusB(3);
|
||||
F_Out(Flag_Y) <= BusB(5);
|
||||
else
|
||||
F_Out(Flag_X) <= Q_t(3);
|
||||
F_Out(Flag_Y) <= Q_t(5);
|
||||
end if;
|
||||
if Q_t(7 downto 0) = "00000000" then
|
||||
F_Out(Flag_Z) <= '1';
|
||||
if Z16 = '1' then
|
||||
F_Out(Flag_Z) <= F_In(Flag_Z); -- 16 bit ADC,SBC
|
||||
end if;
|
||||
else
|
||||
F_Out(Flag_Z) <= '0';
|
||||
end if;
|
||||
F_Out(Flag_S) <= Q_t(7);
|
||||
case ALU_Op(2 downto 0) is
|
||||
when "000" | "001" | "010" | "011" | "111" => -- ADD, ADC, SUB, SBC, CP
|
||||
when others =>
|
||||
F_Out(Flag_P) <= not (Q_t(0) xor Q_t(1) xor Q_t(2) xor Q_t(3) xor
|
||||
Q_t(4) xor Q_t(5) xor Q_t(6) xor Q_t(7));
|
||||
end case;
|
||||
if Arith16 = '1' then
|
||||
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 if;
|
||||
when "1100" =>
|
||||
-- DAA
|
||||
F_Out(Flag_H) <= F_In(Flag_H);
|
||||
F_Out(Flag_C) <= F_In(Flag_C);
|
||||
DAA_Q(7 downto 0) := unsigned(BusA);
|
||||
DAA_Q(8) := '0';
|
||||
if F_In(Flag_N) = '0' then
|
||||
-- After addition
|
||||
-- Alow > 9 or H = 1
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if (DAA_Q(3 downto 0) > 9) then
|
||||
F_Out(Flag_H) <= '1';
|
||||
else
|
||||
F_Out(Flag_H) <= '0';
|
||||
end if;
|
||||
DAA_Q := DAA_Q + 6;
|
||||
end if;
|
||||
-- new Ahigh > 9 or C = 1
|
||||
if DAA_Q(8 downto 4) > 9 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q + 96; -- 0x60
|
||||
end if;
|
||||
else
|
||||
-- After subtraction
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if DAA_Q(3 downto 0) > 5 then
|
||||
F_Out(Flag_H) <= '0';
|
||||
end if;
|
||||
DAA_Q(7 downto 0) := DAA_Q(7 downto 0) - 6;
|
||||
end if;
|
||||
if unsigned(BusA) > 153 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q - 352; -- 0x160
|
||||
end if;
|
||||
end if;
|
||||
F_Out(Flag_X) <= DAA_Q(3);
|
||||
F_Out(Flag_Y) <= DAA_Q(5);
|
||||
F_Out(Flag_C) <= F_In(Flag_C) or DAA_Q(8);
|
||||
Q_t := std_logic_vector(DAA_Q(7 downto 0));
|
||||
if DAA_Q(7 downto 0) = "00000000" then
|
||||
F_Out(Flag_Z) <= '1';
|
||||
else
|
||||
F_Out(Flag_Z) <= '0';
|
||||
end if;
|
||||
F_Out(Flag_S) <= DAA_Q(7);
|
||||
F_Out(Flag_P) <= not (DAA_Q(0) xor DAA_Q(1) xor DAA_Q(2) xor DAA_Q(3) xor
|
||||
DAA_Q(4) xor DAA_Q(5) xor DAA_Q(6) xor DAA_Q(7));
|
||||
when "1101" | "1110" =>
|
||||
-- RLD, RRD
|
||||
Q_t(7 downto 4) := BusA(7 downto 4);
|
||||
if ALU_Op(0) = '1' then
|
||||
Q_t(3 downto 0) := BusB(7 downto 4);
|
||||
else
|
||||
Q_t(3 downto 0) := BusB(3 downto 0);
|
||||
end if;
|
||||
F_Out(Flag_H) <= '0';
|
||||
F_Out(Flag_N) <= '0';
|
||||
F_Out(Flag_X) <= Q_t(3);
|
||||
F_Out(Flag_Y) <= Q_t(5);
|
||||
if Q_t(7 downto 0) = "00000000" then
|
||||
F_Out(Flag_Z) <= '1';
|
||||
else
|
||||
F_Out(Flag_Z) <= '0';
|
||||
end if;
|
||||
F_Out(Flag_S) <= Q_t(7);
|
||||
F_Out(Flag_P) <= not (Q_t(0) xor Q_t(1) xor Q_t(2) xor Q_t(3) xor
|
||||
Q_t(4) xor Q_t(5) xor Q_t(6) xor Q_t(7));
|
||||
when "1001" =>
|
||||
-- BIT
|
||||
Q_t(7 downto 0) := BusB and BitMask;
|
||||
F_Out(Flag_S) <= Q_t(7);
|
||||
if Q_t(7 downto 0) = "00000000" then
|
||||
F_Out(Flag_Z) <= '1';
|
||||
F_Out(Flag_P) <= '1';
|
||||
else
|
||||
F_Out(Flag_Z) <= '0';
|
||||
F_Out(Flag_P) <= '0';
|
||||
end if;
|
||||
F_Out(Flag_H) <= '1';
|
||||
F_Out(Flag_N) <= '0';
|
||||
F_Out(Flag_X) <= '0';
|
||||
F_Out(Flag_Y) <= '0';
|
||||
if IR(2 downto 0) /= "110" then
|
||||
F_Out(Flag_X) <= BusB(3);
|
||||
F_Out(Flag_Y) <= BusB(5);
|
||||
end if;
|
||||
when "1010" =>
|
||||
-- SET
|
||||
Q_t(7 downto 0) := BusB or BitMask;
|
||||
when "1011" =>
|
||||
-- RES
|
||||
Q_t(7 downto 0) := BusB and not BitMask;
|
||||
when "1000" =>
|
||||
-- ROT
|
||||
case IR(5 downto 3) is
|
||||
when "000" => -- RLC
|
||||
Q_t(7 downto 1) := BusA(6 downto 0);
|
||||
Q_t(0) := BusA(7);
|
||||
F_Out(Flag_C) <= BusA(7);
|
||||
when "010" => -- RL
|
||||
Q_t(7 downto 1) := BusA(6 downto 0);
|
||||
Q_t(0) := F_In(Flag_C);
|
||||
F_Out(Flag_C) <= BusA(7);
|
||||
when "001" => -- RRC
|
||||
Q_t(6 downto 0) := BusA(7 downto 1);
|
||||
Q_t(7) := BusA(0);
|
||||
F_Out(Flag_C) <= BusA(0);
|
||||
when "011" => -- RR
|
||||
Q_t(6 downto 0) := BusA(7 downto 1);
|
||||
Q_t(7) := F_In(Flag_C);
|
||||
F_Out(Flag_C) <= BusA(0);
|
||||
when "100" => -- SLA
|
||||
Q_t(7 downto 1) := BusA(6 downto 0);
|
||||
Q_t(0) := '0';
|
||||
F_Out(Flag_C) <= BusA(7);
|
||||
when "110" => -- SLL (Undocumented) / SWAP
|
||||
if Mode = 3 then
|
||||
Q_t(7 downto 4) := BusA(3 downto 0);
|
||||
Q_t(3 downto 0) := BusA(7 downto 4);
|
||||
F_Out(Flag_C) <= '0';
|
||||
else
|
||||
Q_t(7 downto 1) := BusA(6 downto 0);
|
||||
Q_t(0) := '1';
|
||||
F_Out(Flag_C) <= BusA(7);
|
||||
end if;
|
||||
when "101" => -- SRA
|
||||
Q_t(6 downto 0) := BusA(7 downto 1);
|
||||
Q_t(7) := BusA(7);
|
||||
F_Out(Flag_C) <= BusA(0);
|
||||
when others => -- SRL
|
||||
Q_t(6 downto 0) := BusA(7 downto 1);
|
||||
Q_t(7) := '0';
|
||||
F_Out(Flag_C) <= BusA(0);
|
||||
end case;
|
||||
F_Out(Flag_H) <= '0';
|
||||
F_Out(Flag_N) <= '0';
|
||||
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 downto 0) = "00000000" then
|
||||
F_Out(Flag_Z) <= '1';
|
||||
else
|
||||
F_Out(Flag_Z) <= '0';
|
||||
end if;
|
||||
F_Out(Flag_P) <= not (Q_t(0) xor Q_t(1) xor Q_t(2) xor Q_t(3) xor
|
||||
Q_t(4) xor Q_t(5) xor Q_t(6) xor Q_t(7));
|
||||
if ISet = "00" then
|
||||
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 if;
|
||||
when others =>
|
||||
null;
|
||||
end case;
|
||||
Q <= Q_t;
|
||||
end process;
|
||||
end;
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,217 +0,0 @@
|
||||
-- ****
|
||||
-- T80(b) core. In an effort to merge and maintain bug fixes ....
|
||||
--
|
||||
--
|
||||
-- Ver 300 started tidyup
|
||||
-- MikeJ March 2005
|
||||
-- Latest version from www.fpgaarcade.com (original www.opencores.org)
|
||||
--
|
||||
-- ****
|
||||
--
|
||||
-- Z80 compatible microprocessor core
|
||||
--
|
||||
-- Version : 0242
|
||||
--
|
||||
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
|
||||
--
|
||||
-- All rights reserved
|
||||
--
|
||||
-- Redistribution and use in source and synthezised 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 synthesized 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 author nor the names of other contributors may
|
||||
-- be used to endorse or promote products derived from this software without
|
||||
-- specific prior written permission.
|
||||
--
|
||||
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 AUTHOR OR 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.
|
||||
--
|
||||
-- Please report bugs to the author, but before you do so, please
|
||||
-- make sure that this is not a derivative work and that
|
||||
-- you have the latest version of this file.
|
||||
--
|
||||
-- The latest version of this file can be found at:
|
||||
-- http://www.opencores.org/cvsweb.shtml/t80/
|
||||
--
|
||||
-- Limitations :
|
||||
--
|
||||
-- File history :
|
||||
--
|
||||
|
||||
library IEEE;
|
||||
use IEEE.std_logic_1164.all;
|
||||
|
||||
package T80_Pack is
|
||||
|
||||
component T80
|
||||
generic(
|
||||
Mode : integer := 0; -- 0 => Z80, 1 => Fast Z80, 2 => 8080, 3 => GB
|
||||
IOWait : integer := 0; -- 1 => Single cycle I/O, 1 => Std I/O cycle
|
||||
Flag_C : integer := 0;
|
||||
Flag_N : integer := 1;
|
||||
Flag_P : integer := 2;
|
||||
Flag_X : integer := 3;
|
||||
Flag_H : integer := 4;
|
||||
Flag_Y : integer := 5;
|
||||
Flag_Z : integer := 6;
|
||||
Flag_S : integer := 7
|
||||
);
|
||||
port(
|
||||
RESET_n : in std_logic;
|
||||
CLK_n : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WAIT_n : in std_logic;
|
||||
INT_n : in std_logic;
|
||||
NMI_n : in std_logic;
|
||||
BUSRQ_n : in std_logic;
|
||||
M1_n : out std_logic;
|
||||
IORQ : out std_logic;
|
||||
NoRead : out std_logic;
|
||||
Write : out std_logic;
|
||||
RFSH_n : out std_logic;
|
||||
HALT_n : out std_logic;
|
||||
BUSAK_n : out std_logic;
|
||||
A : out std_logic_vector(15 downto 0);
|
||||
DInst : in std_logic_vector(7 downto 0);
|
||||
DI : in std_logic_vector(7 downto 0);
|
||||
DO : out std_logic_vector(7 downto 0);
|
||||
MC : out std_logic_vector(2 downto 0);
|
||||
TS : out std_logic_vector(2 downto 0);
|
||||
IntCycle_n : out std_logic;
|
||||
IntE : out std_logic;
|
||||
Stop : out std_logic
|
||||
);
|
||||
end component;
|
||||
|
||||
component T80_Reg
|
||||
port(
|
||||
Clk : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WEH : in std_logic;
|
||||
WEL : in std_logic;
|
||||
AddrA : in std_logic_vector(2 downto 0);
|
||||
AddrB : in std_logic_vector(2 downto 0);
|
||||
AddrC : in std_logic_vector(2 downto 0);
|
||||
DIH : in std_logic_vector(7 downto 0);
|
||||
DIL : in std_logic_vector(7 downto 0);
|
||||
DOAH : out std_logic_vector(7 downto 0);
|
||||
DOAL : out std_logic_vector(7 downto 0);
|
||||
DOBH : out std_logic_vector(7 downto 0);
|
||||
DOBL : out std_logic_vector(7 downto 0);
|
||||
DOCH : out std_logic_vector(7 downto 0);
|
||||
DOCL : out std_logic_vector(7 downto 0)
|
||||
);
|
||||
end component;
|
||||
|
||||
component T80_MCode
|
||||
generic(
|
||||
Mode : integer := 0;
|
||||
Flag_C : integer := 0;
|
||||
Flag_N : integer := 1;
|
||||
Flag_P : integer := 2;
|
||||
Flag_X : integer := 3;
|
||||
Flag_H : integer := 4;
|
||||
Flag_Y : integer := 5;
|
||||
Flag_Z : integer := 6;
|
||||
Flag_S : integer := 7
|
||||
);
|
||||
port(
|
||||
IR : in std_logic_vector(7 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
MCycle : in std_logic_vector(2 downto 0);
|
||||
F : in std_logic_vector(7 downto 0);
|
||||
NMICycle : in std_logic;
|
||||
IntCycle : in std_logic;
|
||||
MCycles : out std_logic_vector(2 downto 0);
|
||||
TStates : out std_logic_vector(2 downto 0);
|
||||
Prefix : out std_logic_vector(1 downto 0); -- None,BC,ED,DD/FD
|
||||
Inc_PC : out std_logic;
|
||||
Inc_WZ : out std_logic;
|
||||
IncDec_16 : out std_logic_vector(3 downto 0); -- BC,DE,HL,SP 0 is inc
|
||||
Read_To_Reg : out std_logic;
|
||||
Read_To_Acc : out std_logic;
|
||||
Set_BusA_To : out std_logic_vector(3 downto 0); -- B,C,D,E,H,L,DI/DB,A,SP(L),SP(M),0,F
|
||||
Set_BusB_To : out std_logic_vector(3 downto 0); -- B,C,D,E,H,L,DI,A,SP(L),SP(M),1,F,PC(L),PC(M),0
|
||||
ALU_Op : out std_logic_vector(3 downto 0);
|
||||
-- ADD, ADC, SUB, SBC, AND, XOR, OR, CP, ROT, BIT, SET, RES, DAA, RLD, RRD, None
|
||||
Save_ALU : out std_logic;
|
||||
PreserveC : out std_logic;
|
||||
Arith16 : out std_logic;
|
||||
Set_Addr_To : out std_logic_vector(2 downto 0); -- aNone,aXY,aIOA,aSP,aBC,aDE,aZI
|
||||
IORQ : out std_logic;
|
||||
Jump : out std_logic;
|
||||
JumpE : out std_logic;
|
||||
JumpXY : out std_logic;
|
||||
Call : out std_logic;
|
||||
RstP : out std_logic;
|
||||
LDZ : out std_logic;
|
||||
LDW : out std_logic;
|
||||
LDSPHL : out std_logic;
|
||||
Special_LD : out std_logic_vector(2 downto 0); -- A,I;A,R;I,A;R,A;None
|
||||
ExchangeDH : out std_logic;
|
||||
ExchangeRp : out std_logic;
|
||||
ExchangeAF : out std_logic;
|
||||
ExchangeRS : out std_logic;
|
||||
I_DJNZ : out std_logic;
|
||||
I_CPL : out std_logic;
|
||||
I_CCF : out std_logic;
|
||||
I_SCF : out std_logic;
|
||||
I_RETN : out std_logic;
|
||||
I_BT : out std_logic;
|
||||
I_BC : out std_logic;
|
||||
I_BTR : out std_logic;
|
||||
I_RLD : out std_logic;
|
||||
I_RRD : out std_logic;
|
||||
I_INRC : out std_logic;
|
||||
SetDI : out std_logic;
|
||||
SetEI : out std_logic;
|
||||
IMode : out std_logic_vector(1 downto 0);
|
||||
Halt : out std_logic;
|
||||
NoRead : out std_logic;
|
||||
Write : out std_logic
|
||||
);
|
||||
end component;
|
||||
|
||||
component T80_ALU
|
||||
generic(
|
||||
Mode : integer := 0;
|
||||
Flag_C : integer := 0;
|
||||
Flag_N : integer := 1;
|
||||
Flag_P : integer := 2;
|
||||
Flag_X : integer := 3;
|
||||
Flag_H : integer := 4;
|
||||
Flag_Y : integer := 5;
|
||||
Flag_Z : integer := 6;
|
||||
Flag_S : integer := 7
|
||||
);
|
||||
port(
|
||||
Arith16 : in std_logic;
|
||||
Z16 : in std_logic;
|
||||
ALU_Op : in std_logic_vector(3 downto 0);
|
||||
IR : in std_logic_vector(5 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
BusA : in std_logic_vector(7 downto 0);
|
||||
BusB : in std_logic_vector(7 downto 0);
|
||||
F_In : in std_logic_vector(7 downto 0);
|
||||
Q : out std_logic_vector(7 downto 0);
|
||||
F_Out : out std_logic_vector(7 downto 0)
|
||||
);
|
||||
end component;
|
||||
|
||||
end;
|
||||
@ -1,114 +0,0 @@
|
||||
-- ****
|
||||
-- T80(b) core. In an effort to merge and maintain bug fixes ....
|
||||
--
|
||||
--
|
||||
-- Ver 300 started tidyup
|
||||
-- MikeJ March 2005
|
||||
-- Latest version from www.fpgaarcade.com (original www.opencores.org)
|
||||
--
|
||||
-- ****
|
||||
--
|
||||
-- T80 Registers, technology independent
|
||||
--
|
||||
-- Version : 0244
|
||||
--
|
||||
-- Copyright (c) 2002 Daniel Wallner (jesus@opencores.org)
|
||||
--
|
||||
-- All rights reserved
|
||||
--
|
||||
-- Redistribution and use in source and synthezised 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 synthesized 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 author nor the names of other contributors may
|
||||
-- be used to endorse or promote products derived from this software without
|
||||
-- specific prior written permission.
|
||||
--
|
||||
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 AUTHOR OR 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.
|
||||
--
|
||||
-- Please report bugs to the author, but before you do so, please
|
||||
-- make sure that this is not a derivative work and that
|
||||
-- you have the latest version of this file.
|
||||
--
|
||||
-- The latest version of this file can be found at:
|
||||
-- http://www.opencores.org/cvsweb.shtml/t51/
|
||||
--
|
||||
-- Limitations :
|
||||
--
|
||||
-- File history :
|
||||
--
|
||||
-- 0242 : Initial release
|
||||
--
|
||||
-- 0244 : Changed to single register file
|
||||
--
|
||||
|
||||
library IEEE;
|
||||
use IEEE.std_logic_1164.all;
|
||||
use IEEE.numeric_std.all;
|
||||
|
||||
entity T80_Reg is
|
||||
port(
|
||||
Clk : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WEH : in std_logic;
|
||||
WEL : in std_logic;
|
||||
AddrA : in std_logic_vector(2 downto 0);
|
||||
AddrB : in std_logic_vector(2 downto 0);
|
||||
AddrC : in std_logic_vector(2 downto 0);
|
||||
DIH : in std_logic_vector(7 downto 0);
|
||||
DIL : in std_logic_vector(7 downto 0);
|
||||
DOAH : out std_logic_vector(7 downto 0);
|
||||
DOAL : out std_logic_vector(7 downto 0);
|
||||
DOBH : out std_logic_vector(7 downto 0);
|
||||
DOBL : out std_logic_vector(7 downto 0);
|
||||
DOCH : out std_logic_vector(7 downto 0);
|
||||
DOCL : out std_logic_vector(7 downto 0)
|
||||
);
|
||||
end T80_Reg;
|
||||
|
||||
architecture rtl of T80_Reg is
|
||||
|
||||
type Register_Image is array (natural range <>) of std_logic_vector(7 downto 0);
|
||||
signal RegsH : Register_Image(0 to 7);
|
||||
signal RegsL : Register_Image(0 to 7);
|
||||
|
||||
begin
|
||||
|
||||
process (Clk)
|
||||
begin
|
||||
if Clk'event and Clk = '1' then
|
||||
if CEN = '1' then
|
||||
if WEH = '1' then
|
||||
RegsH(to_integer(unsigned(AddrA))) <= DIH;
|
||||
end if;
|
||||
if WEL = '1' then
|
||||
RegsL(to_integer(unsigned(AddrA))) <= DIL;
|
||||
end if;
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
DOAH <= RegsH(to_integer(unsigned(AddrA)));
|
||||
DOAL <= RegsL(to_integer(unsigned(AddrA)));
|
||||
DOBH <= RegsH(to_integer(unsigned(AddrB)));
|
||||
DOBL <= RegsL(to_integer(unsigned(AddrB)));
|
||||
DOCH <= RegsH(to_integer(unsigned(AddrC)));
|
||||
DOCL <= RegsL(to_integer(unsigned(AddrC)));
|
||||
|
||||
end;
|
||||
@ -65,6 +65,9 @@ entity invaderst is
|
||||
Fire : in std_logic;
|
||||
MoveLeft : in std_logic;
|
||||
MoveRight : in std_logic;
|
||||
Fire2 : in std_logic;
|
||||
MoveLeft2 : in std_logic;
|
||||
MoveRight2 : in std_logic;
|
||||
DIP : in std_logic_vector(8 downto 1);
|
||||
RDB : in std_logic_vector(7 downto 0);
|
||||
IB : in std_logic_vector(7 downto 0);
|
||||
@ -194,9 +197,9 @@ begin
|
||||
GDB2(1) <= '0';--unknown
|
||||
GDB2(2) <= '0';--unknown
|
||||
GDB2(3) <= '0';--unknown
|
||||
GDB2(4) <= not Fire;--player2
|
||||
GDB2(5) <= not MoveLeft;--player2
|
||||
GDB2(6) <= not MoveRight;--player2
|
||||
GDB2(4) <= not Fire2;--player2
|
||||
GDB2(5) <= not MoveLeft2;--player2
|
||||
GDB2(6) <= not MoveRight2;--player2
|
||||
GDB2(7) <= '1';-- Coinage
|
||||
|
||||
PortWr(2) <= '1' when AD_i(10 downto 8) = "010" and Sample = '1' else '0';
|
||||
|
||||
@ -23,28 +23,33 @@ localparam CONF_STR = {
|
||||
"O2,Rotate Controls,Off,On;",
|
||||
"O34,Scanlines,Off,25%,50%,75%;",
|
||||
"O5,Overlay, On, Off;",
|
||||
"T6,Reset;",
|
||||
"O6,Joystick Swap,Off,On;",
|
||||
"T0,Reset;",
|
||||
"V,v1.20.",`BUILD_DATE
|
||||
};
|
||||
|
||||
wire [1:0] scanlines = status[4:3];
|
||||
wire overlay = status[5];
|
||||
wire joyswap = status[6];
|
||||
wire rotate = status[2];
|
||||
|
||||
assign LED = 1;
|
||||
assign AUDIO_R = AUDIO_L;
|
||||
|
||||
|
||||
wire clk_core, clk_sys;
|
||||
wire clk_sys, clk_vid;
|
||||
wire pll_locked;
|
||||
pll pll
|
||||
(
|
||||
.inclk0(CLOCK_27),
|
||||
.areset(),
|
||||
.c0(clk_core),
|
||||
.c1(clk_sys)
|
||||
.c0(clk_sys),
|
||||
.c1(clk_vid)
|
||||
);
|
||||
|
||||
wire [31:0] status;
|
||||
wire [1:0] buttons;
|
||||
wire [1:0] switches;
|
||||
wire [7:0] kbjoy;
|
||||
wire [7:0] joystick_0,joystick_1;
|
||||
wire scandoublerD;
|
||||
wire ypbpr;
|
||||
@ -71,15 +76,18 @@ wire HSync;
|
||||
wire VSync;
|
||||
|
||||
invaderst invaderst(
|
||||
.Rst_n(~(status[0] | status[6] | buttons[1])),
|
||||
.Clk(clk_core),
|
||||
.Rst_n(~(status[0] | buttons[1])),
|
||||
.Clk(clk_sys),
|
||||
.ENA(),
|
||||
.Coin(btn_coin),
|
||||
.Sel1Player(~btn_one_player),
|
||||
.Sel2Player(~btn_two_players),
|
||||
.Fire(~m_fire),
|
||||
.Coin(m_coin1),
|
||||
.Sel1Player(~m_one_player),
|
||||
.Sel2Player(~m_two_players),
|
||||
.Fire(~m_fireA),
|
||||
.MoveLeft(~m_left),
|
||||
.MoveRight(~m_right),
|
||||
.Fire2(~m_fire2A),
|
||||
.MoveLeft2(~m_left2),
|
||||
.MoveRight2(~m_right2),
|
||||
.RDB(RDB),
|
||||
.IB(IB),
|
||||
.RWD(RWD),
|
||||
@ -96,7 +104,7 @@ invaderst invaderst(
|
||||
);
|
||||
|
||||
spacelaser_memory spacelaser_memory (
|
||||
.Clock(clk_core),
|
||||
.Clock(clk_sys),
|
||||
.RW_n(RWE_n),
|
||||
.Addr(AD),
|
||||
.Ram_Addr(RAB),
|
||||
@ -106,7 +114,7 @@ spacelaser_memory spacelaser_memory (
|
||||
);
|
||||
|
||||
invaders_audio invaders_audio (
|
||||
.Clk(clk_core),
|
||||
.Clk(clk_sys),
|
||||
.S1(SoundCtrl3),
|
||||
.S2(SoundCtrl5),
|
||||
.Aud(audio)
|
||||
@ -114,8 +122,8 @@ invaders_audio invaders_audio (
|
||||
|
||||
spacelaser_overlay spacelaser_overlay (
|
||||
.Video(Video),
|
||||
.Overlay(~status[5]),
|
||||
.CLK(clk_core),
|
||||
.Overlay(~overlay),
|
||||
.CLK(clk_sys),
|
||||
.Rst_n_s(Rst_n_s),
|
||||
.HSync(HSync),
|
||||
.VSync(VSync),
|
||||
@ -127,14 +135,14 @@ spacelaser_overlay spacelaser_overlay (
|
||||
.O_VSYNC(vs)
|
||||
);
|
||||
|
||||
mist_video #(.COLOR_DEPTH(3)) mist_video(
|
||||
.clk_sys(clk_sys),
|
||||
mist_video #(.COLOR_DEPTH(1)) mist_video(
|
||||
.clk_sys(clk_vid),
|
||||
.SPI_SCK(SPI_SCK),
|
||||
.SPI_SS3(SPI_SS3),
|
||||
.SPI_DI(SPI_DI),
|
||||
.R({r,r,r}),
|
||||
.G({g,g,g}),
|
||||
.B({b,b,b}),
|
||||
.R(r),
|
||||
.G(g),
|
||||
.B(b),
|
||||
.HSync(hs),
|
||||
.VSync(vs),
|
||||
.VGA_R(VGA_R),
|
||||
@ -142,17 +150,18 @@ mist_video #(.COLOR_DEPTH(3)) mist_video(
|
||||
.VGA_B(VGA_B),
|
||||
.VGA_VS(VGA_VS),
|
||||
.VGA_HS(VGA_HS),
|
||||
.rotate({1'b0,status[2]}),
|
||||
.rotate({1'b0,rotate}),
|
||||
.scandoubler_disable(scandoublerD),
|
||||
.scanlines(status[4:3]),
|
||||
.scanlines(scanlines),
|
||||
.ce_divider(0),
|
||||
.ypbpr(ypbpr)
|
||||
.ypbpr(ypbpr),
|
||||
.no_csync(no_csync)
|
||||
);
|
||||
|
||||
user_io #(
|
||||
.STRLEN(($size(CONF_STR)>>3)))
|
||||
user_io(
|
||||
.clk_sys (clk_sys ),
|
||||
.clk_sys (clk_sys ),
|
||||
.conf_str (CONF_STR ),
|
||||
.SPI_CLK (SPI_SCK ),
|
||||
.SPI_SS_IO (CONF_DATA0 ),
|
||||
@ -162,6 +171,7 @@ user_io(
|
||||
.switches (switches ),
|
||||
.scandoubler_disable (scandoublerD ),
|
||||
.ypbpr (ypbpr ),
|
||||
.no_csync (no_csync ),
|
||||
.key_strobe (key_strobe ),
|
||||
.key_pressed (key_pressed ),
|
||||
.key_code (key_code ),
|
||||
@ -177,32 +187,24 @@ dac dac (
|
||||
.dac_o(AUDIO_L)
|
||||
);
|
||||
|
||||
wire m_up, m_down, m_left, m_right, m_fireA, m_fireB, m_fireC, m_fireD, m_fireE, m_fireF;
|
||||
wire m_up2, m_down2, m_left2, m_right2, m_fire2A, m_fire2B, m_fire2C, m_fire2D, m_fire2E, m_fire2F;
|
||||
wire m_tilt, m_coin1, m_coin2, m_coin3, m_coin4, m_one_player, m_two_players, m_three_players, m_four_players;
|
||||
|
||||
wire m_left = ~status[2] ? btn_up | joystick_0[3] | joystick_1[3] : btn_left | joystick_0[1] | joystick_1[1];
|
||||
wire m_right = ~status[2] ? btn_down | joystick_0[2] | joystick_1[2] : btn_right | joystick_0[0] | joystick_1[0];
|
||||
wire m_fire = btn_fire1 | joystick_0[4] | joystick_1[4];
|
||||
reg btn_one_player = 0;
|
||||
reg btn_two_players = 0;
|
||||
reg btn_left = 0;
|
||||
reg btn_right = 0;
|
||||
reg btn_down = 0;
|
||||
reg btn_up = 0;
|
||||
reg btn_fire1 = 0;
|
||||
reg btn_coin = 0;
|
||||
|
||||
always @(posedge clk_sys) begin
|
||||
if(key_strobe) begin
|
||||
case(key_code)
|
||||
'h75: btn_up <= key_pressed; // up
|
||||
'h72: btn_down <= key_pressed; // down
|
||||
'h6B: btn_left <= key_pressed; // left
|
||||
'h74: btn_right <= key_pressed; // right
|
||||
'h76: btn_coin <= key_pressed; // ESC
|
||||
'h05: btn_one_player <= key_pressed; // F1
|
||||
'h06: btn_two_players <= key_pressed; // F2
|
||||
'h29: btn_fire1 <= key_pressed; // Space
|
||||
endcase
|
||||
end
|
||||
end
|
||||
arcade_inputs inputs (
|
||||
.clk ( clk_sys ),
|
||||
.key_strobe ( key_strobe ),
|
||||
.key_pressed ( key_pressed ),
|
||||
.key_code ( key_code ),
|
||||
.joystick_0 ( joystick_0 ),
|
||||
.joystick_1 ( joystick_1 ),
|
||||
.rotate ( rotate ),
|
||||
.orientation ( 2'b01 ),
|
||||
.joyswap ( joyswap ),
|
||||
.oneplayer ( 1'b0 ),
|
||||
.controls ( {m_tilt, m_coin4, m_coin3, m_coin2, m_coin1, m_four_players, m_three_players, m_two_players, m_one_player} ),
|
||||
.player1 ( {m_fireF, m_fireE, m_fireD, m_fireC, m_fireB, m_fireA, m_up, m_down, m_left, m_right} ),
|
||||
.player2 ( {m_fire2F, m_fire2E, m_fire2D, m_fire2C, m_fire2B, m_fire2A, m_up2, m_down2, m_left2, m_right2} )
|
||||
);
|
||||
|
||||
endmodule
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user