X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/00573fd53c3dc0b2aca146f085d30801a3aed576..fe3dc8909a6c72ce4208cb5b8b64bc6b2f8cebd6:/System.v diff --git a/System.v b/System.v index 2bb0613..dbcfaa4 100644 --- a/System.v +++ b/System.v @@ -6,11 +6,11 @@ module ROM( input clk, input wr, rd); - reg [7:0] rom [2047:0]; + reg [7:0] rom [1023:0]; initial $readmemh("rom.hex", rom); wire decode = address[15:13] == 0; - wire [7:0] odata = rom[address[11:0]]; + wire [7:0] odata = rom[address[10:0]]; assign data = (rd && decode) ? odata : 8'bzzzzzzzz; //assign data = rd ? odata : 8'bzzzzzzzz; endmodule @@ -21,7 +21,7 @@ module InternalRAM( input clk, input wr, rd); - // synthesis attribute ram_style of reg is block + // synthesis attribute ram_style of ram is block reg [7:0] ram [8191:0]; wire decode = address[15:13] == 3'b110; @@ -72,8 +72,10 @@ module CoreTop( output wire [2:0] r, g, output wire [1:0] b); - wire clk; - CPUDCM dcm (.CLKIN_IN(xtal), .CLKFX_OUT(clk)); + wire xtalb, clk, vgaclk; + IBUFG iclkbuf(.O(xtalb), .I(xtal)); + CPUDCM dcm (.CLKIN_IN(xtalb), .CLKFX_OUT(clk)); + pixDCM pixdcm (.CLKIN_IN(xtalb), .CLKFX_OUT(vgaclk)); wire [15:0] addr; wire [7:0] data; @@ -100,6 +102,10 @@ module CoreTop( .wr(wr), .rd(rd)); + wire lcdhs, lcdvs, lcdclk; + wire [2:0] lcdr, lcdg; + wire [1:0] lcdb; + LCDC lcdc( .addr(addr), .data(data), @@ -108,6 +114,21 @@ module CoreTop( .rd(rd), .lcdcirq(lcdcirq), .vblankirq(vblankirq), + .lcdclk(lcdclk), + .lcdhs(lcdhs), + .lcdvs(lcdvs), + .lcdr(lcdr), + .lcdg(lcdg), + .lcdb(lcdb)); + + Framebuffer fb( + .lcdclk(lcdclk), + .lcdhs(lcdhs), + .lcdvs(lcdvs), + .lcdr(lcdr), + .lcdg(lcdg), + .lcdb(lcdb), + .vgaclk(vgaclk), .vgahs(hs), .vgavs(vs), .vgar(r),