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small fix

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Kitrinx
2025-10-03 00:06:33 -04:00
parent b879a54432
commit 03394ee3f0
1 changed files with 1 additions and 8 deletions
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9
rtl/ppu.sv
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@@ -344,27 +344,20 @@ reg [7:0] x_coord; // X coordinate where we want things
reg [7:0] pix1, pix2; // Shift registers, output when x_coord == 0
reg aprio; // Current prio
wire active = (x_coord == 0);
reg sprite_active;
always @(posedge clk) if (ce) begin
if (enable) begin
if (!active) begin
// Decrease until x_coord is zero.
x_coord <= x_coord - 8'h01;
if (x_coord == 2'd1 && rendering)
sprite_active <= 1;
end else if (rendering) begin
pix1 <= pix1 >> 1;
pix2 <= pix2 >> 1;
end else if (!sprite_active) begin
// If not rendering, and sprite misses its mark, it won't get rendered at all
pix1 <= '0;
pix2 <= '0;
end
end
if (load[3]) pix1 <= load_in[26:19];
if (load[2]) pix2 <= load_in[18:11];
if (load[1]) begin x_coord <= load_in[10:3]; sprite_active <= ~|load_in[10:3]; end
if (load[1]) x_coord <= load_in[10:3];
if (load[0]) {upper_color, aprio} <= load_in[2:0];
end
assign bits = {aprio, upper_color, active && pix2[0], active && pix1[0]};