impact 11 renamed the intel flash...

[fpga-games] / galaxian / src / roms.v

diff --git a/galaxian/src/roms.v b/galaxian/src/roms.v
index 02c0bd2ea199f73264e2e095348e6bec573d0a41..84c5a8cea6e352cd40645e13475ec1edf6a952a2 100644 (file)
--- a/galaxian/src/roms.v
+++ b/galaxian/src/roms.v
@@ -1,89 +1,60 @@
 module galaxian_roms(
 module galaxian_roms(

-I_CLK_18432M,
-I_CLK_12M,
+I_ROM_CLK,

 I_ADDR,
 O_DATA
 );
 
 I_ADDR,
 O_DATA
 );
 

-input I_CLK_12M;
-input I_CLK_18432M;
+input I_ROM_CLK;

 input [18:0]I_ADDR;
 output [7:0]O_DATA;
 
 //CPU-Roms
 wire [7:0]U_ROM_D;
 input [18:0]I_ADDR;
 output [7:0]O_DATA;
 
 //CPU-Roms
 wire [7:0]U_ROM_D;

-reg [10:0]U_ROM_A;

 
 GALAXIAN_U U_ROM(
 
 GALAXIAN_U U_ROM(

-.CLK(I_CLK_12M),
-.ADDR(U_ROM_A),
+.CLK(I_ROM_CLK),
+.ADDR(I_ADDR[10:0]),

 .DATA(U_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]V_ROM_D;
 .DATA(U_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]V_ROM_D;

-reg [10:0]V_ROM_A;

 
 GALAXIAN_V V_ROM(
 
 GALAXIAN_V V_ROM(

-.CLK(I_CLK_12M),
-.ADDR(V_ROM_A),
+.CLK(I_ROM_CLK),
+.ADDR(I_ADDR[10:0]),

 .DATA(V_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]W_ROM_D;
 .DATA(V_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]W_ROM_D;

-reg [10:0]W_ROM_A;

 
 GALAXIAN_W W_ROM(
 
 GALAXIAN_W W_ROM(

-.CLK(I_CLK_12M),
-.ADDR(W_ROM_A),
+.CLK(I_ROM_CLK),
+.ADDR(I_ADDR[10:0]),

 .DATA(W_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]Y_ROM_D;
 .DATA(W_ROM_D),
 .ENA(1'b1)
 );
 
 wire [7:0]Y_ROM_D;

-reg [10:0]Y_ROM_A;

 
 GALAXIAN_Y Y_ROM(
 
 GALAXIAN_Y Y_ROM(

-.CLK(I_CLK_12M),
-.ADDR(Y_ROM_A),
+.CLK(I_ROM_CLK),
+.ADDR(I_ADDR[10:0]),

 .DATA(Y_ROM_D),
 .ENA(1'b1)
 );
 
 //7L CPU-Rom
 wire [7:0]L_ROM_D;
 .DATA(Y_ROM_D),
 .ENA(1'b1)
 );
 
 //7L CPU-Rom
 wire [7:0]L_ROM_D;

-reg [10:0]L_ROM_A;

 
 GALAXIAN_7L L_ROM(
 
 GALAXIAN_7L L_ROM(

-.CLK(I_CLK_12M),
-.ADDR(L_ROM_A),
+.CLK(I_ROM_CLK),
+.ADDR(I_ADDR[10:0]),

 .DATA(L_ROM_D),
 .ENA(1'b1)
 );
 
 .DATA(L_ROM_D),
 .ENA(1'b1)
 );
 

-//1K VID-Rom
-wire [7:0]K_ROM_D;
-reg [10:0]K_ROM_A;
-
-GALAXIAN_1K K_ROM(
-.CLK(I_CLK_12M),
-.ADDR(K_ROM_A),
-.DATA(K_ROM_D),
-.ENA(1'b1)
-);
-
-//1H VID-Rom
-wire [7:0]H_ROM_D;
-reg [10:0]H_ROM_A;
-
-GALAXIAN_1H H_ROM(
-.CLK(I_CLK_12M),
-.ADDR(H_ROM_A),
-.DATA(H_ROM_D),
-.ENA(1'b1)
-);
-

 reg [7:0]DATA_OUT;
 
 //    address map
 reg [7:0]DATA_OUT;
 
 //    address map


@@ -96,46 +67,30 @@ reg [7:0]DATA_OUT;
 // 0x04000 - 0x047FF       1k.bin           VID-ROM
 // 0x05000 - 0x057FF       1h.bin           VID-ROM
 // 0x10000 - 0x3FFFF       mc_wav_2.bin     Sound(Wav)Data
 // 0x04000 - 0x047FF       1k.bin           VID-ROM
 // 0x05000 - 0x057FF       1h.bin           VID-ROM
 // 0x10000 - 0x3FFFF       mc_wav_2.bin     Sound(Wav)Data

-always
+always@(posedge I_ROM_CLK)

 begin
        if (I_ADDR <= 18'h7ff) begin
                //u
 begin
        if (I_ADDR <= 18'h7ff) begin
                //u

-               U_ROM_A <= I_ADDR[10:0];

                DATA_OUT <= U_ROM_D;
        end
                DATA_OUT <= U_ROM_D;
        end

-       if (I_ADDR >= 18'h800 && I_ADDR <= 18'hfff) begin
+       else if (I_ADDR >= 18'h800 && I_ADDR <= 18'hfff) begin

                //v
                //v

-               V_ROM_A <= I_ADDR[10:0];

                DATA_OUT <= V_ROM_D;
        end
                DATA_OUT <= V_ROM_D;
        end

-       if (I_ADDR >= 18'h1000 && I_ADDR <= 18'h17ff) begin
+       else if (I_ADDR >= 18'h1000 && I_ADDR <= 18'h17ff) begin

                //w
                //w

-               W_ROM_A <= I_ADDR[10:0];

                DATA_OUT <= W_ROM_D;
        end
                DATA_OUT <= W_ROM_D;
        end

-       if (I_ADDR >= 18'h1800 && I_ADDR <= 18'h1fff) begin
+       else if (I_ADDR >= 18'h1800 && I_ADDR <= 18'h1fff) begin

                //y
                //y

-               Y_ROM_A <= I_ADDR[10:0];

                DATA_OUT <= Y_ROM_D;
        end
                DATA_OUT <= Y_ROM_D;
        end

-       if (I_ADDR >= 18'h2000 && I_ADDR <= 18'h27ff) begin
+       else if (I_ADDR >= 18'h2000 && I_ADDR <= 18'h27ff) begin

                //7l
                //7l

-               L_ROM_A <= I_ADDR[10:0];

                DATA_OUT <= L_ROM_D;
        end
                DATA_OUT <= L_ROM_D;
        end

-       if (I_ADDR >= 18'h4000 && I_ADDR <= 18'h47ff) begin
-               //1k
-               K_ROM_A <= I_ADDR[10:0];
-               DATA_OUT <= K_ROM_D;
-       end
-       if (I_ADDR >= 18'h5000 && I_ADDR <= 18'h57ff) begin
-               //1h
-               H_ROM_A <= I_ADDR[10:0];
-               DATA_OUT <= H_ROM_D;
-       end
-       if (I_ADDR >= 18'h10000 && I_ADDR <= 18'h3fff) begin
-               //sound
-               DATA_OUT <= 8'h00;
+       else begin
+               DATA_OUT <= DATA_OUT;

        end
 end
 
        end
 end