X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/537e1f833b8eba858c06053ea6006ea608b9a5cc..ee31adcb22c5011aeaaa0149ee22fa18e45317a5:/System.v?ds=inline diff --git a/System.v b/System.v index 712dd75..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; @@ -67,16 +67,21 @@ module CoreTop( output wire [7:0] leds, output serio, output wire [3:0] digits, - output wire [7:0] seven); + output wire [7:0] seven, + output wire hs, vs, + 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; wire wr, rd; - wire irq, tmrirq, lcdcirq; + wire irq, tmrirq, lcdcirq, vblankirq; wire [7:0] jaddr; wire [1:0] state; @@ -97,13 +102,38 @@ 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), .clk(clk), .wr(wr), .rd(rd), - .irq(lcdcirq)); + .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), + .vgag(g), + .vgab(b)); AddrMon amon( .addr(addr), @@ -159,7 +189,7 @@ module CoreTop( .wr(wr), .addr(addr), .data(data), - .vblank(0), + .vblank(vblankirq), .lcdc(lcdcirq), .tovf(tmrirq), .serial(0),