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add Rotated Menu Core

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Gehstock
2019-11-20 10:02:46 +01:00
parent 15e719d2e0
commit 1f18927f4c
13 changed files with 1309 additions and 8 deletions
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28
.gitignore vendored
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PLLJ_PLLSPE_INFO.txt
db/
incremental_db/
output_files/
greybox_tmp/
build_id.v
db
greybox_tmp
incremental_db
output_files
simulation
PLLJ_PLLSPE_INFO.txt
*.bak
*.orig
*.rej
*.qdf
*.rpt
*.smsg
*.summary
*.done
*.jdi
*.pin
*.sof
*.qws
Robotron - Z1013_MiST/Z1013_Mist.pti_db_list.ddb
Robotron - Z1013_MiST/Z1013_Mist.tis_db_list.ddb
Robotron - Z1013_MiST/Z1013_Mist.vhd
*.ppf
*.qip
*.ddb

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Arcade_MiST/ArcadeMenu_MIST/ReadMe.md Normal file
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## It's a simple startup core to display menu.
Put [this core](https://github.com/sorgelig/Menu_MIST/tree/master/release) to the root of SD card with name **core.rbf**. It will be loaded automatically upon MIST startup and menu will be displayed.
![screenshot](menu.png)

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Arcade_MiST/ArcadeMenu_MIST/Release/menu.rbf Normal file
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Arcade_MiST/ArcadeMenu_MIST/clean.bat Normal file
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@echo off
del /s *.bak
del /s *.orig
del /s *.rej
rmdir /s /q db
rmdir /s /q incremental_db
rmdir /s /q output_files
rmdir /s /q simulation
rmdir /s /q greybox_tmp
del PLLJ_PLLSPE_INFO.txt
del /s /q build_id.v
del *.qws
del *.ppf
del *.qip
del *.ddb
pause

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Arcade_MiST/ArcadeMenu_MIST/menu.png Normal file
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Arcade_MiST/ArcadeMenu_MIST/menu.qpf Normal file
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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 Web Edition
# Date created = 23:30:28 October 14, 2014
#
# -------------------------------------------------------------------------- #
QUARTUS_VERSION = "13.0"
DATE = "23:30:28 October 14, 2014"
# Revisions
PROJECT_REVISION = "menu"

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Arcade_MiST/ArcadeMenu_MIST/menu.qsf Normal file
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# -------------------------------------------------------------------------- #
#
# Copyright (C) 1991-2014 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 13.1.4 Build 182 03/12/2014 SJ Web Edition
# Date created = 08:30:59 December 07, 2015
#
# -------------------------------------------------------------------------- #
# Project-Wide Assignments
# ========================
set_global_assignment -name ORIGINAL_QUARTUS_VERSION 13.1
set_global_assignment -name PROJECT_CREATION_TIME_DATE "21:40:24 MAY 17, 2014"
set_global_assignment -name LAST_QUARTUS_VERSION 13.1
set_global_assignment -name PROJECT_OUTPUT_DIRECTORY output_files
set_global_assignment -name NUM_PARALLEL_PROCESSORS ALL
set_global_assignment -name SMART_RECOMPILE ON
set_global_assignment -name FLOW_ENABLE_IO_ASSIGNMENT_ANALYSIS ON
# 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_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_13 -to CONF_DATA0
set_location_assignment PIN_49 -to SDRAM_A[0]
set_location_assignment PIN_44 -to SDRAM_A[1]
set_location_assignment PIN_42 -to SDRAM_A[2]
set_location_assignment PIN_39 -to SDRAM_A[3]
set_location_assignment PIN_4 -to SDRAM_A[4]
set_location_assignment PIN_6 -to SDRAM_A[5]
set_location_assignment PIN_8 -to SDRAM_A[6]
set_location_assignment PIN_10 -to SDRAM_A[7]
set_location_assignment PIN_11 -to SDRAM_A[8]
set_location_assignment PIN_28 -to SDRAM_A[9]
set_location_assignment PIN_50 -to SDRAM_A[10]
set_location_assignment PIN_30 -to SDRAM_A[11]
set_location_assignment PIN_32 -to SDRAM_A[12]
set_location_assignment PIN_83 -to SDRAM_DQ[0]
set_location_assignment PIN_79 -to SDRAM_DQ[1]
set_location_assignment PIN_77 -to SDRAM_DQ[2]
set_location_assignment PIN_76 -to SDRAM_DQ[3]
set_location_assignment PIN_72 -to SDRAM_DQ[4]
set_location_assignment PIN_71 -to SDRAM_DQ[5]
set_location_assignment PIN_69 -to SDRAM_DQ[6]
set_location_assignment PIN_68 -to SDRAM_DQ[7]
set_location_assignment PIN_86 -to SDRAM_DQ[8]
set_location_assignment PIN_87 -to SDRAM_DQ[9]
set_location_assignment PIN_98 -to SDRAM_DQ[10]
set_location_assignment PIN_99 -to SDRAM_DQ[11]
set_location_assignment PIN_100 -to SDRAM_DQ[12]
set_location_assignment PIN_101 -to SDRAM_DQ[13]
set_location_assignment PIN_103 -to SDRAM_DQ[14]
set_location_assignment PIN_104 -to SDRAM_DQ[15]
set_location_assignment PIN_58 -to SDRAM_BA[0]
set_location_assignment PIN_51 -to SDRAM_BA[1]
set_location_assignment PIN_85 -to SDRAM_DQMH
set_location_assignment PIN_67 -to SDRAM_DQML
set_location_assignment PIN_60 -to SDRAM_nRAS
set_location_assignment PIN_64 -to SDRAM_nCAS
set_location_assignment PIN_66 -to SDRAM_nWE
set_location_assignment PIN_59 -to SDRAM_nCS
set_location_assignment PIN_33 -to SDRAM_CKE
set_location_assignment PIN_43 -to SDRAM_CLK
set_location_assignment PLL_1 -to "pll:pll|altpll:altpll_component"
# Classic Timing Assignments
# ==========================
set_global_assignment -name MIN_CORE_JUNCTION_TEMP 0
set_global_assignment -name MAX_CORE_JUNCTION_TEMP 85
# Analysis & Synthesis Assignments
# ================================
set_global_assignment -name CYCLONEII_OPTIMIZATION_TECHNIQUE SPEED
set_global_assignment -name FAMILY "Cyclone III"
set_global_assignment -name TOP_LEVEL_ENTITY MENU
set_global_assignment -name DEVICE_FILTER_PACKAGE TQFP
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
set_global_assignment -name SYNTH_TIMING_DRIVEN_SYNTHESIS ON
set_global_assignment -name SAVE_DISK_SPACE OFF
# Fitter Assignments
# ==================
set_global_assignment -name FITTER_EARLY_TIMING_ESTIMATE_MODE OPTIMISTIC
set_global_assignment -name PHYSICAL_SYNTHESIS_COMBO_LOGIC ON
set_global_assignment -name PHYSICAL_SYNTHESIS_REGISTER_RETIMING ON
set_global_assignment -name PHYSICAL_SYNTHESIS_ASYNCHRONOUS_SIGNAL_PIPELINING ON
set_global_assignment -name PHYSICAL_SYNTHESIS_REGISTER_DUPLICATION ON
set_global_assignment -name PHYSICAL_SYNTHESIS_COMBO_LOGIC_FOR_AREA ON
set_global_assignment -name PHYSICAL_SYNTHESIS_MAP_LOGIC_TO_MEMORY_FOR_AREA ON
set_global_assignment -name PHYSICAL_SYNTHESIS_EFFORT EXTRA
set_global_assignment -name DEVICE EP3C25E144C8
set_global_assignment -name CYCLONEIII_CONFIGURATION_SCHEME "PASSIVE SERIAL"
set_global_assignment -name FORCE_CONFIGURATION_VCCIO ON
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
set_global_assignment -name CRC_ERROR_OPEN_DRAIN OFF
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_FLASH_NCE_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_DCLK_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name OPTIMIZE_HOLD_TIMING "ALL PATHS"
set_global_assignment -name OPTIMIZE_MULTI_CORNER_TIMING ON
set_global_assignment -name FITTER_EFFORT "AUTO FIT"
# Assembler Assignments
# =====================
set_global_assignment -name GENERATE_RBF_FILE ON
set_global_assignment -name USE_CONFIGURATION_DEVICE OFF
# SignalTap II Assignments
# ========================
set_global_assignment -name ENABLE_SIGNALTAP OFF
set_global_assignment -name USE_SIGNALTAP_FILE stp1.stp
# 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)"
# Advanced I/O Timing Assignments
# ===============================
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
# ------------------------
# start ENTITY(MENU)
# Pin & Location Assignments
# ==========================
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[0]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[1]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[2]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[3]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[4]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[5]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[6]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[7]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[8]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[9]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[10]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[11]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[12]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[13]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[14]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQ[15]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[0]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[1]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[2]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[3]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[4]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[5]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[6]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[7]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[8]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[9]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[10]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[11]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_A[12]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_BA[0]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_BA[1]
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQMH
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_DQML
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_nRAS
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_nCAS
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_nWE
set_instance_assignment -name FAST_OUTPUT_REGISTER ON -to SDRAM_nCS
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[0]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[1]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[2]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[3]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[4]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[5]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[6]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[7]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[8]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[9]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[10]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[11]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[12]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[13]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[14]
set_instance_assignment -name FAST_OUTPUT_ENABLE_REGISTER ON -to SDRAM_DQ[15]
# Fitter Assignments
# ==================
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[2]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[3]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[4]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[5]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[6]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[7]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[8]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[9]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[10]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[11]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_A[12]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[2]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[3]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[4]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[5]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[6]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[7]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[8]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[9]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[10]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[11]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[12]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[13]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[14]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQ[15]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_BA[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_BA[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQML
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_DQMH
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_nRAS
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_nCAS
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_nWE
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_nCS
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SDRAM_CKE
set_instance_assignment -name CURRENT_STRENGTH_NEW "MAXIMUM CURRENT" -to SDRAM_CLK
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[5]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[4]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[3]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[2]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_R[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[5]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[4]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[3]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[2]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_G[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[5]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[4]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[3]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[2]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[1]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_B[0]
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_HS
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to VGA_VS
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to LED
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to AUDIO_L
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to AUDIO_R
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to SPI_DO
set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to CONF_DATA0
# 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
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
set_global_assignment -name SYSTEMVERILOG_FILE rtl/menu.sv
set_global_assignment -name SYSTEMVERILOG_FILE rtl/sram.sv
set_global_assignment -name VERILOG_FILE rtl/pll.v
set_global_assignment -name VERILOG_FILE rtl/lfsr.v
set_global_assignment -name SYSTEMVERILOG_FILE rtl/cos.sv
set_global_assignment -name QIP_FILE ../common/mist/mist.qip

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Arcade_MiST/ArcadeMenu_MIST/menu.sdc Normal file
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#************************************************************
# THIS IS A WIZARD-GENERATED FILE.
#
# Version 13.1.4 Build 182 03/12/2014 SJ Full Version
#
#************************************************************
# Copyright (C) 1991-2014 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.
# Clock constraints
create_clock -name "CLOCK_27" -period 37.037 [get_ports {CLOCK_27}]
create_clock -name {SPI_SCK} -period 10.000 -waveform { 0.000 0.500 } [get_ports {SPI_SCK}]
# Automatically constrain PLL and other generated clocks
derive_pll_clocks -create_base_clocks
# Automatically calculate clock uncertainty to jitter and other effects.
derive_clock_uncertainty

49
Arcade_MiST/ArcadeMenu_MIST/rtl/cos.sv Normal file
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module cos (
input [9:0] x,
output [7:0] y
);
wire [7:0] qcos[0:256] = '{
8'b01111111,
8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111,
8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111,
8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111, 8'b01111111,
8'b01111110, 8'b01111110, 8'b01111110, 8'b01111110, 8'b01111110, 8'b01111110, 8'b01111110, 8'b01111110,
8'b01111101, 8'b01111101, 8'b01111101, 8'b01111101, 8'b01111101, 8'b01111101, 8'b01111100, 8'b01111100,
8'b01111100, 8'b01111100, 8'b01111100, 8'b01111011, 8'b01111011, 8'b01111011, 8'b01111011, 8'b01111010,
8'b01111010, 8'b01111010, 8'b01111010, 8'b01111010, 8'b01111001, 8'b01111001, 8'b01111001, 8'b01111001,
8'b01111000, 8'b01111000, 8'b01111000, 8'b01110111, 8'b01110111, 8'b01110111, 8'b01110111, 8'b01110110,
8'b01110110, 8'b01110110, 8'b01110101, 8'b01110101, 8'b01110101, 8'b01110100, 8'b01110100, 8'b01110100,
8'b01110011, 8'b01110011, 8'b01110011, 8'b01110010, 8'b01110010, 8'b01110010, 8'b01110001, 8'b01110001,
8'b01110001, 8'b01110000, 8'b01110000, 8'b01101111, 8'b01101111, 8'b01101111, 8'b01101110, 8'b01101110,
8'b01101101, 8'b01101101, 8'b01101101, 8'b01101100, 8'b01101100, 8'b01101011, 8'b01101011, 8'b01101010,
8'b01101010, 8'b01101010, 8'b01101001, 8'b01101001, 8'b01101000, 8'b01101000, 8'b01100111, 8'b01100111,
8'b01100110, 8'b01100110, 8'b01100101, 8'b01100101, 8'b01100100, 8'b01100100, 8'b01100011, 8'b01100011,
8'b01100010, 8'b01100010, 8'b01100001, 8'b01100001, 8'b01100000, 8'b01100000, 8'b01011111, 8'b01011111,
8'b01011110, 8'b01011110, 8'b01011101, 8'b01011101, 8'b01011100, 8'b01011100, 8'b01011011, 8'b01011011,
8'b01011010, 8'b01011001, 8'b01011001, 8'b01011000, 8'b01011000, 8'b01010111, 8'b01010111, 8'b01010110,
8'b01010101, 8'b01010101, 8'b01010100, 8'b01010100, 8'b01010011, 8'b01010010, 8'b01010010, 8'b01010001,
8'b01010001, 8'b01010000, 8'b01001111, 8'b01001111, 8'b01001110, 8'b01001110, 8'b01001101, 8'b01001100,
8'b01001100, 8'b01001011, 8'b01001010, 8'b01001010, 8'b01001001, 8'b01001000, 8'b01001000, 8'b01000111,
8'b01000111, 8'b01000110, 8'b01000101, 8'b01000101, 8'b01000100, 8'b01000011, 8'b01000011, 8'b01000010,
8'b01000001, 8'b01000001, 8'b01000000, 8'b00111111, 8'b00111110, 8'b00111110, 8'b00111101, 8'b00111100,
8'b00111100, 8'b00111011, 8'b00111010, 8'b00111010, 8'b00111001, 8'b00111000, 8'b00111000, 8'b00110111,
8'b00110110, 8'b00110101, 8'b00110101, 8'b00110100, 8'b00110011, 8'b00110011, 8'b00110010, 8'b00110001,
8'b00110000, 8'b00110000, 8'b00101111, 8'b00101110, 8'b00101101, 8'b00101101, 8'b00101100, 8'b00101011,
8'b00101010, 8'b00101010, 8'b00101001, 8'b00101000, 8'b00100111, 8'b00100111, 8'b00100110, 8'b00100101,
8'b00100100, 8'b00100100, 8'b00100011, 8'b00100010, 8'b00100001, 8'b00100001, 8'b00100000, 8'b00011111,
8'b00011110, 8'b00011110, 8'b00011101, 8'b00011100, 8'b00011011, 8'b00011011, 8'b00011010, 8'b00011001,
8'b00011000, 8'b00011000, 8'b00010111, 8'b00010110, 8'b00010101, 8'b00010100, 8'b00010100, 8'b00010011,
8'b00010010, 8'b00010001, 8'b00010001, 8'b00010000, 8'b00001111, 8'b00001110, 8'b00001101, 8'b00001101,
8'b00001100, 8'b00001011, 8'b00001010, 8'b00001010, 8'b00001001, 8'b00001000, 8'b00000111, 8'b00000110,
8'b00000110, 8'b00000101, 8'b00000100, 8'b00000011, 8'b00000010, 8'b00000010, 8'b00000001, 8'b00000000
};
assign y = ((x >= 10'd0) && (x < 10'd257)) ? 8'd128 + qcos[x]:
((x >= 10'd257) && (x < 10'd513)) ? 8'd128 - qcos[10'd512 - x]:
((x >= 10'd513) && (x < 10'd769)) ? 8'd128 - qcos[x - 10'd512]:
8'd128 + qcos[-x];
endmodule

16
Arcade_MiST/ArcadeMenu_MIST/rtl/lfsr.v Normal file
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module lfsr(
output [N-1:0] rnd
);
parameter N = 23;
lcell lc0((rnd[N - 1] ^ rnd[N - 6]), rnd[0]);
generate
genvar i;
for (i = 0; i <= N - 2; i = i + 1) begin : lcn
lcell lc(rnd[i], rnd[i + 1]);
end
endgenerate
endmodule

179
Arcade_MiST/ArcadeMenu_MIST/rtl/menu.sv Normal file
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////////////////////////////////////////////////////////////////////////////////
//
//
//
// MENU for MIST board
// (C) 2016 Sorgelig
//
//
//
////////////////////////////////////////////////////////////////////////////////
module MENU(
input CLOCK_27, // Input clock 27 MHz
output [5:0] VGA_R,
output [5:0] VGA_G,
output [5:0] VGA_B,
output VGA_HS,
output VGA_VS,
output LED,
input SPI_SCK,
output SPI_DO,
input SPI_DI,
input SPI_SS3,
input CONF_DATA0,
output [12:0] SDRAM_A,
inout [15:0] SDRAM_DQ,
output SDRAM_DQML,
output SDRAM_DQMH,
output SDRAM_nWE,
output SDRAM_nCAS,
output SDRAM_nRAS,
output SDRAM_nCS,
output [1:0] SDRAM_BA,
output SDRAM_CLK,
output SDRAM_CKE
);
assign LED = 1;
wire clk_x2, clk_pix, clk_ram, locked;
pll pll(
.inclk0(CLOCK_27),
.c0(clk_ram),
.c1(SDRAM_CLK),
.c2(clk_x2),
.c3(clk_pix),
.locked(locked)
);
//______________________________________________________________________________
//
// MIST ARM I/O
//
wire scandoubler_disable;
wire ypbpr;
wire key_pressed;
wire [7:0] key_code;
wire key_strobe;
user_io #(
.STRLEN(6))
user_io(
.clk_sys (clk_x2 ),
.conf_str("MENU;;"),
.SPI_CLK (SPI_SCK ),
.SPI_SS_IO (CONF_DATA0 ),
.SPI_MISO (SPI_DO ),
.SPI_MOSI (SPI_DI ),
.scandoubler_disable (scandoubler_disable),
.ypbpr (ypbpr )
);
sram ram
(
.*,
.init(~locked),
.clk(clk_ram),
.wtbt(3),
.dout(),
.din(0),
.rd(0),
.ready()
);
reg we;
reg [24:0] addr = 0;
always @(posedge clk_ram) begin
integer init = 5000000;
reg [4:0] cnt = 9;
if(init) init <= init - 1;
else begin
cnt <= cnt + 1'b1;
we <= &cnt;
if(cnt == 8) addr <= addr + 1'd1;
end
end
//______________________________________________________________________________
//
// Video
//
reg [9:0] hc;
reg [8:0] vc;
reg [9:0] vvc;
reg [22:0] rnd_reg;
wire [5:0] rnd_c = {rnd_reg[0],rnd_reg[1],rnd_reg[2],rnd_reg[2],rnd_reg[2],rnd_reg[2]};
wire [22:0] rnd;
lfsr random(rnd);
always @(negedge clk_pix) begin
if(hc == 639) begin
hc <= 0;
if(vc == 311) begin
vc <= 0;
vvc <= vvc + 9'd6;
end else begin
vc <= vc + 1'd1;
end
end else begin
hc <= hc + 1'd1;
end
rnd_reg <= rnd;
end
reg hb, vb;
reg hs, vs;
wire blankn = !(hb & vb);
always @(posedge clk_pix) begin
if (hc == 310) hb <= 1;
else if (hc == 420) hb <= 0;
if (hc == 336) hs <= 1;
else if (hc == 368) hs <= 0;
if(vc == 308) vs <= 1;
else if (vc == 0) vs <= 0;
if(vc == 306) vb <= 1;
else if (vc == 2) vb <= 0;
end
reg [7:0] cos_out;
wire [5:0] cos_g = cos_out[7:3]+6'd32;
cos cos(vvc + {vc, 2'b00}, cos_out);
wire [5:0] comp_v = (cos_g >= rnd_c) ? cos_g - rnd_c : 6'd0;
wire [1:0] rotate;
mist_video #(.COLOR_DEPTH(6), .SD_HCNT_WIDTH(10)) mist_video(
.clk_sys ( clk_x2 ),
.SPI_SCK ( SPI_SCK ),
.SPI_SS3 ( SPI_SS3 ),
.SPI_DI ( SPI_DI ),
.R ( blankn ? comp_v : 0 ),
.G ( blankn ? comp_v : 0 ),
.B ( blankn ? comp_v : 0 ),
.HSync ( hs ),
.VSync ( vs ),
.VGA_R ( VGA_R ),
.VGA_G ( VGA_G ),
.VGA_B ( VGA_B ),
.VGA_VS ( VGA_VS ),
.VGA_HS ( VGA_HS ),
.rotate ( 2'b11 ),
.ce_divider ( 1 ),
.scandoubler_disable(scandoubler_disable),
.ypbpr ( ypbpr )
);
endmodule

391
Arcade_MiST/ArcadeMenu_MIST/rtl/pll.v Normal file
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// 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!
//
// 13.1.4 Build 182 03/12/2014 SJ Full Version
// ************************************************************
//Copyright (C) 1991-2014 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,
c3,
locked);
input inclk0;
output c0;
output c1;
output c2;
output c3;
output locked;
wire [4:0] sub_wire0;
wire sub_wire3;
wire [0:0] sub_wire8 = 1'h0;
wire [2:2] sub_wire5 = sub_wire0[2:2];
wire [0:0] sub_wire4 = sub_wire0[0:0];
wire [3:3] sub_wire2 = sub_wire0[3:3];
wire [1:1] sub_wire1 = sub_wire0[1:1];
wire c1 = sub_wire1;
wire c3 = sub_wire2;
wire locked = sub_wire3;
wire c0 = sub_wire4;
wire c2 = sub_wire5;
wire sub_wire6 = inclk0;
wire [1:0] sub_wire7 = {sub_wire8, sub_wire6};
altpll altpll_component (
.inclk (sub_wire7),
.clk (sub_wire0),
.locked (sub_wire3),
.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 = 100,
altpll_component.clk0_phase_shift = "0",
altpll_component.clk1_divide_by = 27,
altpll_component.clk1_duty_cycle = 50,
altpll_component.clk1_multiply_by = 100,
altpll_component.clk1_phase_shift = "-1667",
altpll_component.clk2_divide_by = 27,
altpll_component.clk2_duty_cycle = 50,
altpll_component.clk2_multiply_by = 20,
altpll_component.clk2_phase_shift = "0",
altpll_component.clk3_divide_by = 27,
altpll_component.clk3_duty_cycle = 50,
altpll_component.clk3_multiply_by = 10,
altpll_component.clk3_phase_shift = "0",
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 = "NO_COMPENSATION",
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_USED",
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 = "ON",
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 "1"
// 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 "Any"
// Retrieval info: PRIVATE: DIV_FACTOR0 NUMERIC "1"
// Retrieval info: PRIVATE: DIV_FACTOR1 NUMERIC "1"
// Retrieval info: PRIVATE: DIV_FACTOR2 NUMERIC "1"
// Retrieval info: PRIVATE: DIV_FACTOR3 NUMERIC "1"
// 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: DUTY_CYCLE3 STRING "50.00000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE0 STRING "100.000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE1 STRING "100.000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE2 STRING "20.000000"
// Retrieval info: PRIVATE: EFF_OUTPUT_FREQ_VALUE3 STRING "10.000000"
// 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 "ps"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT2 STRING "ps"
// Retrieval info: PRIVATE: LVDS_PHASE_SHIFT_UNIT3 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: MIRROR_CLK3 STRING "0"
// Retrieval info: PRIVATE: MULT_FACTOR0 NUMERIC "1"
// Retrieval info: PRIVATE: MULT_FACTOR1 NUMERIC "1"
// Retrieval info: PRIVATE: MULT_FACTOR2 NUMERIC "1"
// Retrieval info: PRIVATE: MULT_FACTOR3 NUMERIC "1"
// Retrieval info: PRIVATE: NORMAL_MODE_RADIO STRING "0"
// Retrieval info: PRIVATE: OUTPUT_FREQ0 STRING "100.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ1 STRING "100.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ2 STRING "20.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ3 STRING "10.00000000"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE0 STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE1 STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE2 STRING "1"
// Retrieval info: PRIVATE: OUTPUT_FREQ_MODE3 STRING "1"
// 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: OUTPUT_FREQ_UNIT3 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 "-60.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT2 STRING "0.00000000"
// Retrieval info: PRIVATE: PHASE_SHIFT3 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 "ps"
// Retrieval info: PRIVATE: PHASE_SHIFT_UNIT3 STRING "ps"
// 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 "1"
// 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: STICKY_CLK3 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_CLK3 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_CLKENA3 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 "100"
// 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 "100"
// Retrieval info: CONSTANT: CLK1_PHASE_SHIFT STRING "-1667"
// Retrieval info: CONSTANT: CLK2_DIVIDE_BY NUMERIC "27"
// Retrieval info: CONSTANT: CLK2_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK2_MULTIPLY_BY NUMERIC "20"
// Retrieval info: CONSTANT: CLK2_PHASE_SHIFT STRING "0"
// Retrieval info: CONSTANT: CLK3_DIVIDE_BY NUMERIC "27"
// Retrieval info: CONSTANT: CLK3_DUTY_CYCLE NUMERIC "50"
// Retrieval info: CONSTANT: CLK3_MULTIPLY_BY NUMERIC "10"
// Retrieval info: CONSTANT: CLK3_PHASE_SHIFT STRING "0"
// 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 "NO_COMPENSATION"
// 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_USED"
// 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 "ON"
// 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: c3 0 0 0 0 OUTPUT_CLK_EXT VCC "c3"
// 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: c3 0 0 0 0 @clk 0 0 1 3
// 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

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Arcade_MiST/ArcadeMenu_MIST/rtl/sram.sv Normal file
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//
// sram.v
//
// Static RAM controller implementation using SDRAM MT48LC16M16A2
//
// Copyright (c) 2015,2016 Sorgelig
//
// Some parts of SDRAM code used from project:
// http://hamsterworks.co.nz/mediawiki/index.php/Simple_SDRAM_Controller
//
// 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/>.
//
// ------------------------------------------
//
// v2.1 - Add universal 8/16 bit mode.
//
module sram
(
input init, // reset to initialize RAM
input clk, // clock ~100MHz
//
// SDRAM_* - signals to the MT48LC16M16 chip
inout reg [15:0] SDRAM_DQ, // 16 bit bidirectional data bus
output reg [12:0] SDRAM_A, // 13 bit multiplexed address bus
output reg SDRAM_DQML, // two byte masks
output reg SDRAM_DQMH, //
output reg [1:0] SDRAM_BA, // two banks
output SDRAM_nCS, // a single chip select
output SDRAM_nWE, // write enable
output SDRAM_nRAS, // row address select
output SDRAM_nCAS, // columns address select
output SDRAM_CKE, // clock enable
//
input [1:0] wtbt, // 16bit mode: bit1 - write high byte, bit0 - write low byte,
// 8bit mode: 2'b00 - use addr[0] to decide which byte to write
// Ignored while reading.
//
input [24:0] addr, // 25 bit address for 8bit mode. addr[0] = 0 for 16bit mode for correct operations.
output [15:0] dout, // data output to cpu
input [15:0] din, // data input from cpu
input we, // cpu requests write
input rd, // cpu requests read
output reg ready // dout is valid. Ready to accept new read/write.
);
assign SDRAM_nCS = command[3];
assign SDRAM_nRAS = command[2];
assign SDRAM_nCAS = command[1];
assign SDRAM_nWE = command[0];
assign SDRAM_CKE = cke;
assign dout = latched ? data_l : data_d;
// no burst configured
localparam BURST_LENGTH = 3'b000; // 000=1, 001=2, 010=4, 011=8
localparam ACCESS_TYPE = 1'b0; // 0=sequential, 1=interleaved
localparam CAS_LATENCY = 3'd2; // 2 for < 100MHz, 3 for >100MHz
localparam OP_MODE = 2'b00; // only 00 (standard operation) allowed
localparam NO_WRITE_BURST = 1'b1; // 0= write burst enabled, 1=only single access write
localparam MODE = {3'b000, NO_WRITE_BURST, OP_MODE, CAS_LATENCY, ACCESS_TYPE, BURST_LENGTH};
localparam sdram_startup_cycles= 14'd12100;// 100us, plus a little more, @ 100MHz
localparam cycles_per_refresh = 14'd780; // (64000*100)/8192-1 Calc'd as (64ms @ 100MHz)/8192 rose
localparam startup_refresh_max = 14'b11111111111111;
// SDRAM commands
localparam CMD_INHIBIT = 4'b1111;
localparam CMD_NOP = 4'b0111;
localparam CMD_ACTIVE = 4'b0011;
localparam CMD_READ = 4'b0101;
localparam CMD_WRITE = 4'b0100;
localparam CMD_BURST_TERMINATE = 4'b0110;
localparam CMD_PRECHARGE = 4'b0010;
localparam CMD_AUTO_REFRESH = 4'b0001;
localparam CMD_LOAD_MODE = 4'b0000;
reg [13:0] refresh_count = startup_refresh_max - sdram_startup_cycles;
reg [3:0] command = CMD_INHIBIT;
reg cke = 0;
reg [24:0] save_addr;
reg latched;
reg [15:0] data;
wire[15:0] data_l = save_addr[0] ? {data[7:0], data[15:8]} : {data[15:8], data[7:0]};
wire[15:0] data_d = save_addr[0] ? {SDRAM_DQ[7:0], SDRAM_DQ[15:8]} : {SDRAM_DQ[15:8], SDRAM_DQ[7:0]};
typedef enum
{
STATE_STARTUP,
STATE_OPEN_1, STATE_OPEN_2,
STATE_WRITE,
STATE_READ,
STATE_IDLE, STATE_IDLE_1, STATE_IDLE_2, STATE_IDLE_3,
STATE_IDLE_4, STATE_IDLE_5, STATE_IDLE_6, STATE_IDLE_7
} state_t;
always @(posedge clk) begin
reg old_we, old_rd;
reg [CAS_LATENCY:0] data_ready_delay;
reg [15:0] new_data;
reg [1:0] new_wtbt;
reg new_we;
reg new_rd;
reg save_we = 1;
state_t state = STATE_STARTUP;
command <= CMD_NOP;
refresh_count <= refresh_count+1'b1;
data_ready_delay <= {1'b0, data_ready_delay[CAS_LATENCY:1]};
// make it ready 1T in advance
if(data_ready_delay[1]) {latched, ready} <= {1'b0, 1'b1};
if(data_ready_delay[0]) {latched, data} <= {1'b1, SDRAM_DQ};
case(state)
STATE_STARTUP: begin
//------------------------------------------------------------------------
//-- This is the initial startup state, where we wait for at least 100us
//-- before starting the start sequence
//--
//-- The initialisation is sequence is
//-- * de-assert SDRAM_CKE
//-- * 100us wait,
//-- * assert SDRAM_CKE
//-- * wait at least one cycle,
//-- * PRECHARGE
//-- * wait 2 cycles
//-- * REFRESH,
//-- * tREF wait
//-- * REFRESH,
//-- * tREF wait
//-- * LOAD_MODE_REG
//-- * 2 cycles wait
//------------------------------------------------------------------------
cke <= 1;
SDRAM_DQ <= 16'bZZZZZZZZZZZZZZZZ;
SDRAM_DQML <= 1;
SDRAM_DQMH <= 1;
SDRAM_A <= 0;
SDRAM_BA <= 0;
// All the commands during the startup are NOPS, except these
if(refresh_count == startup_refresh_max-31) begin
// ensure all rows are closed
command <= CMD_PRECHARGE;
SDRAM_A[10] <= 1; // all banks
SDRAM_BA <= 2'b00;
end else if (refresh_count == startup_refresh_max-23) begin
// these refreshes need to be at least tREF (66ns) apart
command <= CMD_AUTO_REFRESH;
end else if (refresh_count == startup_refresh_max-15)
command <= CMD_AUTO_REFRESH;
else if (refresh_count == startup_refresh_max-7) begin
// Now load the mode register
command <= CMD_LOAD_MODE;
SDRAM_A <= MODE;
end
//------------------------------------------------------
//-- if startup is complete then go into idle mode,
//-- get prepared to accept a new command, and schedule
//-- the first refresh cycle
//------------------------------------------------------
if(!refresh_count) begin
state <= STATE_IDLE;
ready <= 1;
refresh_count <= 0;
end
end
STATE_IDLE_7: state <= STATE_IDLE_6;
STATE_IDLE_6: state <= STATE_IDLE_5;
STATE_IDLE_5: state <= STATE_IDLE_4;
STATE_IDLE_4: state <= STATE_IDLE_3;
STATE_IDLE_3: state <= STATE_IDLE_2;
STATE_IDLE_2: state <= STATE_IDLE_1;
STATE_IDLE_1: begin
SDRAM_DQ <= 16'bZZZZZZZZZZZZZZZZ;
state <= STATE_IDLE;
// mask possible refresh to reduce colliding.
if(refresh_count > cycles_per_refresh) begin
//------------------------------------------------------------------------
//-- Start the refresh cycle.
//-- This tasks tRFC (66ns), so 6 idle cycles are needed @ 100MHz
//------------------------------------------------------------------------
state <= STATE_IDLE_7;
command <= CMD_AUTO_REFRESH;
refresh_count <= refresh_count - cycles_per_refresh + 1'd1;
end
end
STATE_IDLE: begin
// Priority is to issue a refresh if one is outstanding
if(refresh_count > (cycles_per_refresh<<1)) state <= STATE_IDLE_1;
else if(new_rd | new_we) begin
new_we <= 0;
new_rd <= 0;
save_addr<= addr;
save_we <= new_we;
state <= STATE_OPEN_1;
command <= CMD_ACTIVE;
SDRAM_A <= addr[13:1];
SDRAM_BA <= addr[24:23];
end
end
// ACTIVE-to-READ or WRITE delay >20ns (-75)
STATE_OPEN_1: state <= STATE_OPEN_2;
STATE_OPEN_2: begin
SDRAM_A <= {4'b0010, save_addr[22:14]};
SDRAM_DQML <= save_we & (new_wtbt ? ~new_wtbt[0] : save_addr[0]);
SDRAM_DQMH <= save_we & (new_wtbt ? ~new_wtbt[1] : ~save_addr[0]);
state <= save_we ? STATE_WRITE : STATE_READ;
end
STATE_READ: begin
state <= STATE_IDLE_5;
command <= CMD_READ;
SDRAM_DQ <= 16'bZZZZZZZZZZZZZZZZ;
// Schedule reading the data values off the bus
data_ready_delay[CAS_LATENCY] <= 1;
end
STATE_WRITE: begin
state <= STATE_IDLE_5;
command <= CMD_WRITE;
SDRAM_DQ <= new_wtbt ? new_data : {new_data[7:0], new_data[7:0]};
ready <= 1;
end
endcase
if(init) begin
state <= STATE_STARTUP;
refresh_count <= startup_refresh_max - sdram_startup_cycles;
end
old_we <= we;
if(we & ~old_we) {ready, new_we, new_data, new_wtbt} <= {1'b0, 1'b1, din, wtbt};
old_rd <= rd;
if(rd & ~old_rd) begin
if(ready & ~save_we & (save_addr[24:1] == addr[24:1])) save_addr <= addr;
else {ready, new_rd} <= {1'b0, 1'b1};
end
end
endmodule