git.zerfleddert.de Git - fpga-games/blob - galaxian/src/fpga_arcade_if.v

   1 //-------------------------------------------------------------------
   2 //
   3 // PLAYSTATION CONTROLLER-FPGA ARCADE GAME INTERFACE TOP
   4 //
   5 // Version : 2.01
   6 //
   7 // Copyright(c) 2003 - 2004  Katsumi Degawa , All rights reserved
   8 //
   9 // Important !
  10 //
  11 // This program is freeware for non-commercial use.
  12 // An author does no guarantee about this program.
  13 // You can use this under your own risk.
  14 //
  15 // 2004-4-29  fpga mooncrst use   k .degawa
  16 //-------------------------------------------------------------------
  17
  18 `timescale 100ps/10ps
  19 `include "src/mc_conf.v"
  20
  21 module  fpga_arcade_if(
  22
  23 CLK_18M432,
  24 I_RSTn,
  25 psCLK,
  26 psSEL,
  27 psTXD,
  28 psRXD,
  29 ps_PSW,
  30 I_VIB_SW
  31
  32 );
  33
  34 input  CLK_18M432,I_RSTn;
  35 input  I_VIB_SW;
  36 input  psRXD;
  37 output psCLK,psSEL,psTXD;
  38 output [8:0]ps_PSW;
  39
  40 reg    [5:0]clk_reg;
  41 wire   CLK_288K;
  42
  43 assign CLK_288K = clk_reg[5];
  44 always@(posedge CLK_18M432) clk_reg <= clk_reg+1;
  45
  46 wire   [7:0]RX_DATA_1,RX_DATA_2;
  47 wire   [7:0]RX_DATA_3,RX_DATA_4;
  48 //wire   [7:0]RX_DATA_5,RX_DATA_6;
  49
  50 reg     [1:0]XY_pos;
  51
  52 assign  ps_PSW[0] = 1'b1;           //          UP
  53 assign  ps_PSW[1] = 1'b1;               //              DOWN
  54 assign  ps_PSW[2] = XY_pos[0];      //          LEFT
  55 assign  ps_PSW[3] = XY_pos[1];      //          RIGHT
  56 assign  ps_PSW[4] = RX_DATA_2[5];   //          CREDIT1 (MARU-BOTAN)
  57 assign  ps_PSW[5] = RX_DATA_2[4];   //          CREDIT2 (SANKAKU-BOTAN)
  58 assign  ps_PSW[6] = RX_DATA_1[3];   //          START 1P (START-BOTAN)
  59 assign  ps_PSW[7] = RX_DATA_1[0];       //              START 2P (SELCT-BOTAN)
  60 assign  ps_PSW[8] = RX_DATA_1[6];
  61
  62 always@(posedge CLK_288K)
  63 begin
  64    if(RX_DATA_3<=8'h5F&&RX_DATA_3>=8'h00)
  65       XY_pos <= 2'b10;
  66    else if(RX_DATA_3<=8'hFF&&RX_DATA_3>=8'hA0)
  67       XY_pos <= 2'b01;
  68    else
  69       XY_pos <= 2'b11;
  70 end
  71
  72 //  Dualshock
  73 `ifdef Dualshock
  74 psPAD_top pspad(
  75
  76 .I_CLK250K(CLK_288K),
  77 .I_RSTn(I_RSTn),
  78 .I_VIB_SW({I_VIB_SW,1'b0}),
  79 .O_psCLK(psCLK),
  80 .O_psSEL(psSEL),
  81 .O_psTXD(psTXD),
  82 .I_psRXD(psRXD),
  83 .O_RXD_1(RX_DATA_1),
  84 .O_RXD_2(RX_DATA_2),
  85 .O_RXD_3(RX_DATA_3),
  86 .O_RXD_4(RX_DATA_4),
  87 .O_RXD_5(),
  88 .O_RXD_6(),
  89 .I_CONF_SW(),
  90 .I_MODE_SW(),
  91 .I_MODE_EN(),
  92 .I_VIB_DAT(8'hFF)
  93 );
  94 `else
  95 psPAD_top pspad(
  96
  97 .I_CLK250K(CLK_288K),
  98 .I_RSTn(I_RSTn),
  99 .I_VIB_SW(I_VIB_SW),
 100 .O_psCLK(psCLK),
 101 .O_psSEL(psSEL),
 102 .O_psTXD(psTXD),
 103 .I_psRXD(psRXD),
 104 .O_RXD_1(RX_DATA_1),
 105 .O_RXD_2(RX_DATA_2),
 106 .O_RXD_3(RX_DATA_3),
 107 .O_RXD_4(RX_DATA_4),
 108 .O_RXD_5(),
 109 .O_RXD_6(),
 110 .I_CONF_SW(),
 111 .I_MODE_SW(),
 112 .I_MODE_EN(),
 113 .I_VIB_DAT()
 114 );
 115 `endif
 116
 117 endmodule
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