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https://github.com/sehugg/8bitworkshop.git
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tank, pixel edit > 8 bits
This commit is contained in:
Steven Hugg
parent
d732f320b0
commit
bafc23cb5b
140
presets/verilog/tank.v
Normal file
140
presets/verilog/tank.v
Normal file
@ -0,0 +1,140 @@
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`include "hvsync_generator.v"
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module minefield(hpos, vpos, mine_gfx);
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input [8:0] hpos;
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input [8:0] vpos;
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output mine_gfx;
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// mine X coordinates in ROM
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reg [3:0] mine_xpos [0:15];
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// 1 bit for each mine
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reg [15:0] mine_exploded;
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// screen-wide pattern for mines
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wire mine_pattern = ~(hpos[0] ^ hpos[1]) ^ (vpos[0] ^ vpos[1])
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&& hpos[2] && vpos[2];
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// limit mine pattern to a rectangular window
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wire mine_field = (hpos >= 64 && hpos < 160)
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&& (vpos >= 48 && vpos < 176)
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&& mine_pattern;
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// index for each of the 16 mines in window
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wire [3:0] mine_vindex = vpos[6:3]^8;
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// select only 1 mine per horizontal slice
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wire mine_all = (hpos[6:3]==(mine_xpos[mine_vindex]^8))
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&& mine_field;
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// only show mines that haven't exploded
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wire mine_gfx = mine_all && !mine_exploded[mine_vindex];
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initial begin
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mine_exploded = 0;
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mine_xpos[0] = 2;
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mine_xpos[1] = 10;
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mine_xpos[2] = 6;
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mine_xpos[3] = 0;
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mine_xpos[4] = 9;
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mine_xpos[5] = 3;
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mine_xpos[6] = 7;
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mine_xpos[7] = 11;
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mine_xpos[8] = 4;
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mine_xpos[9] = 1;
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mine_xpos[10] = 10;
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mine_xpos[11] = 5;
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mine_xpos[12] = 11;
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mine_xpos[13] = 3;
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mine_xpos[14] = 8;
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mine_xpos[15] = 0;
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end
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endmodule
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module playfield(hpos, vpos, playfield_gfx);
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input [8:0] hpos;
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input [8:0] vpos;
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output playfield_gfx;
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reg [31:0] maze [0:27];
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wire [4:0] x = hpos[7:3];
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wire [4:0] y = vpos[7:3] - 2;
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assign playfield_gfx = maze[y][x];
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initial begin/*{w:32,h:28,bpw:32}*/
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maze[0] = 32'b11111111111111111111111111111111;
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maze[1] = 32'b10000000000100000000001000000001;
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maze[2] = 32'b10000000000100000000001000000001;
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maze[3] = 32'b10000000000100000000000000000001;
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maze[4] = 32'b10011110000000000000000000000001;
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maze[5] = 32'b10000000000000000000000011111001;
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maze[6] = 32'b10000000001000000000000000100001;
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maze[7] = 32'b11100010000000000000000000100001;
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maze[8] = 32'b10000010000000000000000000000001;
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maze[9] = 32'b10000011100000000000000000000001;
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maze[10] = 32'b10000000000000000000000000000001;
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maze[11] = 32'b10000000000000000000000000000001;
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maze[12] = 32'b11111000001000000000000000000001;
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maze[13] = 32'b10001000001000000000000111100001;
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maze[14] = 32'b10001110001000000000000000000001;
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maze[15] = 32'b10000000001000000000000000000001;
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maze[16] = 32'b10000000001000000000000000000001;
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maze[17] = 32'b10001111000000000000000000000001;
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maze[18] = 32'b10000000000000000000000100011001;
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maze[19] = 32'b10000000000000000000000100010001;
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maze[20] = 32'b10000001001000000000000100010001;
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maze[21] = 32'b10000001001110000000000100000001;
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maze[22] = 32'b10000001000000000010001100000001;
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maze[23] = 32'b10001000000000000000000000000001;
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maze[24] = 32'b10001000000111100000000000010001;
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maze[25] = 32'b10001000000000100000000000010001;
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maze[26] = 32'b10001000000000000010000000010001;
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maze[27] = 32'b11111111111111111111111111111111;
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end
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endmodule
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module mine_test_top(clk, hsync, vsync, rgb);
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input clk;
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output hsync, vsync;
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output [2:0] rgb;
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wire display_on;
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wire [8:0] hpos;
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wire [8:0] vpos;
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wire mine_gfx;
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wire playfield_gfx;
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hvsync_generator hvsync_gen(
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.clk(clk),
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.reset(0),
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.hsync(hsync),
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.vsync(vsync),
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.display_on(display_on),
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.hpos(hpos),
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.vpos(vpos)
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);
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minefield mine_gen(
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.hpos(hpos),
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.vpos(vpos),
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.mine_gfx(mine_gfx)
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);
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playfield playfield_gen(
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.hpos(hpos),
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.vpos(vpos),
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.playfield_gfx(playfield_gfx)
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);
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wire r = display_on && mine_gfx;
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wire g = display_on && playfield_gfx;
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wire b = display_on && 0;
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assign rgb = {b,g,r};
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endmodule
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@ -250,7 +250,8 @@ function convertBytesToImages(bytes, fmt) {
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var count = fmt.count || 1;
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var bpp = fmt.bpp || 1;
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var nplanes = fmt.np || 1;
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var bytesperline = fmt.sl || Math.ceil(width * bpp / 8);
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var bitsperword = fmt.bpw || 8;
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var bytesperline = fmt.sl || Math.ceil(width * bpp / bitsperword);
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var mask = (1 << bpp)-1;
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var pofs = fmt.pofs || bytesperline*height*count;
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var images = [];
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@ -264,11 +265,11 @@ function convertBytesToImages(bytes, fmt) {
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var ofs = remapBits(ofs0, fmt.remap);
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for (var p=0; p<nplanes; p++) {
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var byte = bytes[ofs + p*pofs];
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color |= ((fmt.brev ? byte>>(8-shift-bpp) : byte>>shift) & mask) << (p*bpp);
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color |= ((fmt.brev ? byte>>(bitsperword-shift-bpp) : byte>>shift) & mask) << (p*bpp);
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}
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imgdata.push(color);
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shift += bpp;
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if (shift >= 8) {
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if (shift >= bitsperword) {
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ofs0 += 1;
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shift = 0;
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}
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@ -285,10 +286,15 @@ function convertImagesToBytes(images, fmt) {
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var count = fmt.count || 1;
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var bpp = fmt.bpp || 1;
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var nplanes = fmt.np || 1;
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var bytesperline = fmt.sl || Math.ceil(fmt.w * bpp / 8);
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var bitsperword = fmt.bpw || 8;
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var bytesperline = fmt.sl || Math.ceil(fmt.w * bpp / bitsperword);
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var mask = (1 << bpp)-1;
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var pofs = fmt.pofs || bytesperline*height*count;
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var bytes = new Uint8Array(bytesperline*height*count*nplanes);
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var bytes;
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if (bitsperword <= 8)
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bytes = new Uint8Array(bytesperline*height*count*nplanes);
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else
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bytes = new Uint32Array(bytesperline*height*count*nplanes);
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for (var n=0; n<count; n++) {
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var imgdata = images[n];
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var i = 0;
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@ -300,10 +306,10 @@ function convertImagesToBytes(images, fmt) {
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var ofs = remapBits(ofs0, fmt.remap);
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for (var p=0; p<nplanes; p++) {
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var c = (color >> (p*bpp)) & mask;
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bytes[ofs + p*pofs] |= (fmt.brev ? (c << (8-shift-bpp)) : (c << shift));
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bytes[ofs + p*pofs] |= (fmt.brev ? (c << (bitsperword-shift-bpp)) : (c << shift));
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}
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shift += bpp;
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if (shift >= 8) {
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if (shift >= bitsperword) {
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ofs0 += 1;
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shift = 0;
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}
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@ -21,11 +21,17 @@ var VERILOG_KEYCODE_MAP = makeKeycodeMap([
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[Keys.VK_DOWN, 0, 0x8],
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[Keys.VK_SPACE, 0, 0x10],
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[Keys.VK_SHIFT, 0, 0x20],
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[Keys.VK_1, 0, 0x40],
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[Keys.VK_2, 0, 0x80],
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[Keys.VK_5, 0, 0x100],
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[Keys.VK_6, 0, 0x200],
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[Keys.VK_7, 0, 0x400],
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[Keys.VK_A, 1, 0x1],
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[Keys.VK_D, 1, 0x2],
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[Keys.VK_W, 1, 0x4],
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[Keys.VK_S, 1, 0x8],
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[Keys.VK_Z, 1, 0x10],
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[Keys.VK_X, 1, 0x20],
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[Keys.VK_1, 2, 0x1],
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[Keys.VK_2, 2, 0x2],
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[Keys.VK_5, 2, 0x4],
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[Keys.VK_6, 2, 0x8],
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[Keys.VK_7, 2, 0x10],
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]);
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var vl_finished = false;
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@ -65,6 +71,11 @@ var vl_stopped = false;
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var VL_MODDIV_III = this.VL_MODDIV_III = function(lbits,lhs,rhs) {
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return (((rhs)==0)?0:(lhs)%(rhs)); }
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var VL_REDXOR_32 = this.VL_REDXOR_32 = function(r) {
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r=(r^(r>>1)); r=(r^(r>>2)); r=(r^(r>>4)); r=(r^(r>>8)); r=(r^(r>>16));
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return r;
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}
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var VL_WRITEF = this.VL_WRITEF = console.log; // TODO: $write
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var vl_finish = this.vl_finish = function(filename,lineno,hier) {
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@ -168,7 +179,7 @@ var VerilogPlatform = function(mainElement, options) {
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var current_output;
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var paddle_x = 0;
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var paddle_y = 0;
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var switches = [0];
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var switches = [0,0,0];
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var inspect_obj, inspect_sym;
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var inspect_data = new Uint32Array(videoWidth * videoHeight);
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var scope_time_x = 0; // scope cursor
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