mirror of
https://github.com/MiSTer-devel/InputTest_MiSTer.git
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370 lines
9.2 KiB
Systemverilog
370 lines
9.2 KiB
Systemverilog
/*============================================================================
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MiSTer test harness - emu module
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Author: Jim Gregory - https://github.com/JimmyStones/
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Version: 1.0
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Date: 2021-07-03
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>.
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===========================================================================*/
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module emu
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(
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//Master input clock
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input CLK_50M,
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//Async reset from top-level module.
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//Can be used as initial reset.
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input RESET,
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//Must be passed to hps_io module
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inout [45:0] HPS_BUS,
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//Base video clock. Usually equals to CLK_SYS.
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output CLK_VIDEO,
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//Multiple resolutions are supported using different CE_PIXEL rates.
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//Must be based on CLK_VIDEO
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output CE_PIXEL,
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//Video aspect ratio for HDMI. Most retro systems have ratio 4:3.
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//if VIDEO_ARX[12] or VIDEO_ARY[12] is set then [11:0] contains scaled size instead of aspect ratio.
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output [12:0] VIDEO_ARX,
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output [12:0] VIDEO_ARY,
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output [7:0] VGA_R,
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output [7:0] VGA_G,
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output [7:0] VGA_B,
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output VGA_HS,
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output VGA_VS,
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output VGA_DE, // = ~(VBlank | HBlank)
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output VGA_F1,
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output [1:0] VGA_SL,
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output VGA_SCALER, // Force VGA scaler
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input [11:0] HDMI_WIDTH,
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input [11:0] HDMI_HEIGHT,
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output HDMI_FREEZE,
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`ifdef MISTER_FB
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// Use framebuffer in DDRAM (USE_FB=1 in qsf)
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// FB_FORMAT:
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// [2:0] : 011=8bpp(palette) 100=16bpp 101=24bpp 110=32bpp
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// [3] : 0=16bits 565 1=16bits 1555
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// [4] : 0=RGB 1=BGR (for 16/24/32 modes)
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//
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// FB_STRIDE either 0 (rounded to 256 bytes) or multiple of pixel size (in bytes)
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output FB_EN,
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output [4:0] FB_FORMAT,
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output [11:0] FB_WIDTH,
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output [11:0] FB_HEIGHT,
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output [31:0] FB_BASE,
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output [13:0] FB_STRIDE,
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input FB_VBL,
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input FB_LL,
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output FB_FORCE_BLANK,
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`ifdef MISTER_FB_PALETTE
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// Palette control for 8bit modes.
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// Ignored for other video modes.
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output FB_PAL_CLK,
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output [7:0] FB_PAL_ADDR,
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output [23:0] FB_PAL_DOUT,
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input [23:0] FB_PAL_DIN,
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output FB_PAL_WR,
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`endif
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`endif
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output LED_USER, // 1 - ON, 0 - OFF.
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// b[1]: 0 - LED status is system status OR'd with b[0]
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// 1 - LED status is controled solely by b[0]
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// hint: supply 2'b00 to let the system control the LED.
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output [1:0] LED_POWER,
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output [1:0] LED_DISK,
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// I/O board button press simulation (active high)
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// b[1]: user button
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// b[0]: osd button
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output [1:0] BUTTONS,
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input CLK_AUDIO, // 24.576 MHz
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output [15:0] AUDIO_L,
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output [15:0] AUDIO_R,
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output AUDIO_S, // 1 - signed audio samples, 0 - unsigned
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output [1:0] AUDIO_MIX, // 0 - no mix, 1 - 25%, 2 - 50%, 3 - 100% (mono)
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//ADC
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inout [3:0] ADC_BUS,
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//SD-SPI
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output SD_SCK,
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output SD_MOSI,
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input SD_MISO,
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output SD_CS,
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input SD_CD,
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//High latency DDR3 RAM interface
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//Use for non-critical time purposes
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output DDRAM_CLK,
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input DDRAM_BUSY,
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output [7:0] DDRAM_BURSTCNT,
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output [28:0] DDRAM_ADDR,
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input [63:0] DDRAM_DOUT,
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input DDRAM_DOUT_READY,
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output DDRAM_RD,
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output [63:0] DDRAM_DIN,
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output [7:0] DDRAM_BE,
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output DDRAM_WE,
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//SDRAM interface with lower latency
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output SDRAM_CLK,
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output SDRAM_CKE,
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output [12:0] SDRAM_A,
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output [1:0] SDRAM_BA,
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inout [15:0] SDRAM_DQ,
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output SDRAM_DQML,
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output SDRAM_DQMH,
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output SDRAM_nCS,
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output SDRAM_nCAS,
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output SDRAM_nRAS,
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output SDRAM_nWE,
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`ifdef MISTER_DUAL_SDRAM
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//Secondary SDRAM
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//Set all output SDRAM_* signals to Z ASAP if SDRAM2_EN is 0
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input SDRAM2_EN,
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output SDRAM2_CLK,
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output [12:0] SDRAM2_A,
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output [1:0] SDRAM2_BA,
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inout [15:0] SDRAM2_DQ,
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output SDRAM2_nCS,
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output SDRAM2_nCAS,
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output SDRAM2_nRAS,
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output SDRAM2_nWE,
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`endif
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input UART_CTS,
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output UART_RTS,
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input UART_RXD,
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output UART_TXD,
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output UART_DTR,
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input UART_DSR,
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// Open-drain User port.
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// 0 - D+/RX
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// 1 - D-/TX
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// 2..6 - USR2..USR6
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// Set USER_OUT to 1 to read from USER_IN.
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input [6:0] USER_IN,
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output [6:0] USER_OUT,
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input OSD_STATUS
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);
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///////// Default values for ports not used in this core /////////
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assign ADC_BUS = 'Z;
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assign USER_OUT = '1;
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assign {UART_RTS, UART_TXD, UART_DTR} = 0;
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assign {SD_SCK, SD_MOSI, SD_CS} = 'Z;
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assign {SDRAM_DQ, SDRAM_A, SDRAM_BA, SDRAM_CLK, SDRAM_CKE, SDRAM_DQML, SDRAM_DQMH, SDRAM_nWE, SDRAM_nCAS, SDRAM_nRAS, SDRAM_nCS} = 'Z;
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assign {DDRAM_CLK, DDRAM_BURSTCNT, DDRAM_ADDR, DDRAM_DIN, DDRAM_BE, DDRAM_RD, DDRAM_WE} = '0;
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assign VGA_F1 = 0;
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assign VGA_SCALER = 0;
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assign HDMI_FREEZE = 0;
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assign AUDIO_S = 0;
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assign AUDIO_L = 0;
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assign AUDIO_R = 0;
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assign AUDIO_MIX = 0;
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assign LED_DISK = 0;
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assign LED_POWER = 0;
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assign BUTTONS = 0;
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//////////////////////////////////////////////////////////////////
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wire [1:0] ar = status[9:8];
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assign VIDEO_ARX = (!ar) ? 12'd4 : (ar - 1'd1);
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assign VIDEO_ARY = (!ar) ? 12'd3 : 12'd0;
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`include "build_id.v"
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localparam CONF_STR = {
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"InputTest;;",
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"-;",
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"O89,Aspect ratio,Original,Full Screen,[ARC1],[ARC2];",
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"-;",
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"F0,BIN,Load BIOS;",
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"F1,PF,Load Font;",
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"-;",
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"J1,A,B,X,Y,L,R,Select,Start,C,Z;",
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"V,v",`BUILD_DATE
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};
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wire [31:0] status;
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wire [1:0] buttons;
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wire forced_scandoubler;
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wire direct_video;
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wire [21:0] gamma_bus;
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wire ioctl_download;
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wire ioctl_wr;
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wire [24:0] ioctl_addr;
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wire [7:0] ioctl_dout;
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wire [7:0] ioctl_index;
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wire [31:0] joystick_0;
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wire [31:0] joystick_1;
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wire [31:0] joystick_2;
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wire [31:0] joystick_3;
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wire [31:0] joystick_4;
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wire [31:0] joystick_5;
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wire [15:0] joystick_analog_0;
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wire [15:0] joystick_analog_1;
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wire [15:0] joystick_analog_2;
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wire [15:0] joystick_analog_3;
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wire [15:0] joystick_analog_4;
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wire [15:0] joystick_analog_5;
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wire [7:0] paddle_0;
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wire [7:0] paddle_1;
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wire [7:0] paddle_2;
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wire [7:0] paddle_3;
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wire [7:0] paddle_4;
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wire [7:0] paddle_5;
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wire [8:0] spinner_0;
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wire [8:0] spinner_1;
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wire [8:0] spinner_2;
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wire [8:0] spinner_3;
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wire [8:0] spinner_4;
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wire [8:0] spinner_5;
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wire [10:0] ps2_key;
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wire [24:0] ps2_mouse;
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wire [15:0] ps2_mouse_ext;
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hps_io #(.CONF_STR(CONF_STR)) hps_io
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(
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.clk_sys(clk_sys),
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.HPS_BUS(HPS_BUS),
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.buttons(buttons),
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.status(status),
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.status_menumask({direct_video}),
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.forced_scandoubler(forced_scandoubler),
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.direct_video(direct_video),
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.ioctl_download(ioctl_download),
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.ioctl_wr(ioctl_wr),
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.ioctl_addr(ioctl_addr),
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.ioctl_dout(ioctl_dout),
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.ioctl_index(ioctl_index),
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.joystick_0(joystick_0),
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.joystick_1(joystick_1),
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.joystick_2(joystick_2),
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.joystick_3(joystick_3),
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.joystick_4(joystick_4),
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.joystick_5(joystick_5),
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.joystick_analog_0(joystick_analog_0),
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.joystick_analog_1(joystick_analog_1),
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.joystick_analog_2(joystick_analog_2),
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.joystick_analog_3(joystick_analog_3),
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.joystick_analog_4(joystick_analog_4),
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.joystick_analog_5(joystick_analog_5),
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.paddle_0(paddle_0),
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.paddle_1(paddle_1),
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.paddle_2(paddle_2),
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.paddle_3(paddle_3),
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.paddle_4(paddle_4),
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.paddle_5(paddle_5),
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.spinner_0(spinner_0),
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.spinner_1(spinner_1),
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.spinner_2(spinner_2),
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.spinner_3(spinner_3),
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.spinner_4(spinner_4),
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.spinner_5(spinner_5),
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.ps2_key(ps2_key),
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.ps2_mouse(ps2_mouse),
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.ps2_mouse_ext(ps2_mouse_ext)
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);
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//////////////////// CLOCKS ///////////////////
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wire clk_sys;
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pll pll
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(
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.refclk(CLK_50M),
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.rst(0),
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.outclk_0(clk_sys)
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);
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/////////////////// CLOCK DIVIDER ////////////////////
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wire ce_pix;
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jtframe_cen24 divider
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(
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.clk(clk_sys),
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.cen6(ce_pix)
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);
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/////////////////// VIDEO ////////////////////
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wire hblank, vblank, hs, vs;
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wire [7:0] r, g, b;
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arcade_video #(320,24) arcade_video
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(
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.*,
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.clk_video(clk_sys),
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.RGB_in({r,g,b}),
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.HBlank(hblank),
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.VBlank(vblank),
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.HSync(hs),
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.VSync(vs),
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.fx(status[5:3])
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);
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/////////////////// MAIN CORE ////////////////////
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wire rom_download = ioctl_download && (ioctl_index < 8'd2);
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wire reset = (RESET | status[0] | buttons[1] | rom_download);
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assign LED_USER = rom_download;
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system system(
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.clk_sys(clk_sys),
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.ce_pix(ce_pix),
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.reset(reset),
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.VGA_HS(hs),
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.VGA_VS(vs),
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.VGA_R(r),
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.VGA_G(g),
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.VGA_B(b),
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.VGA_HB(hblank),
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.VGA_VB(vblank),
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.dn_addr(ioctl_addr[13:0]),
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.dn_data(ioctl_dout),
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.dn_wr(ioctl_wr),
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.dn_index(ioctl_index),
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.joystick({joystick_5,joystick_4,joystick_3,joystick_2,joystick_1,joystick_0}),
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.analog({joystick_analog_5,joystick_analog_4,joystick_analog_3,joystick_analog_2,joystick_analog_1,joystick_analog_0}),
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.paddle({paddle_5,paddle_4,paddle_3,paddle_2,paddle_1,paddle_0}),
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.spinner({7'b0,spinner_5,7'b0,spinner_4,7'b0,spinner_3,7'b0,spinner_2,7'b0,spinner_1,7'b0,spinner_0}),
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.ps2_key(ps2_key),
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.ps2_mouse({ps2_mouse_ext,7'b0,ps2_mouse})
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);
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endmodule
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