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Dreaded_X 2020-03-03 23:28:29 +01:00
parent 9b5fd29244
commit c1f88398e1
1 changed files with 23 additions and 10 deletions
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33
source/mojo_top.v
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@ -207,24 +207,37 @@ module mojo_top(
);
always @(*) begin
hdmired = 1'b0;
hdmigreen = 1'b0;
hdmiblue = 1'b0;
// @todo For some reason we need a -1 here, otherwise it looks weird with
// SCALE = 1
// Need to figure that out, something to do with wrap around
charx = ((hdmix >> (SCALE-1)) - 1) % 8;
charx = (hdmix >> (SCALE-1)) % 8;
chary = (hdmiy >> (SCALE-1)) % 8;
if (charx > 0 && charx < 6 && chary > 1 && char_data[sram_read_data][29 - (charx - 1) - 5*(chary - 2)] == 1) begin
hdmired = 8'hFF;
hdmigreen = 8'hFF;
hdmiblue = 8'hFF;
char_index_d = ((hdmix >> (SCALE+2)) + CHAR_HMAX*(hdmiy >> (SCALE+2)));
if (char_index_d[6] == 1) begin
hdmired = 8'h55 * char_index_d[1:0];
hdmigreen = 8'h55 * char_index_d[3:2];
hdmiblue = 8'h55 * char_index_d[5:4];
end else begin
hdmired = 1'b0;
hdmigreen = 1'b0;
hdmiblue = 1'b0;
end
if (charx > 0 && charx < 6 && chary > 0 && chary < 7 && char_data[sram_read_data][29 - (charx - 1) - 5*(chary - 1)] == 1) begin
if (char_index_d[6] == 1) begin
hdmired = 1'b0;
hdmigreen = 1'b0;
hdmiblue = 1'b0;
end else begin
hdmired = 8'h55 * char_index_d[1:0];
hdmigreen = 8'h55 * char_index_d[3:2];
hdmiblue = 8'h55 * char_index_d[5:4];
end
end
frame_d = frame_q;
char_index_d = ((hdmix >> (SCALE+2)) + CHAR_HMAX*(hdmiy >> (SCALE+2)));
if (hdmix == WIDTH-1 && hdmiy == HEIGHT-1) begin
frame_d = frame_q + 1'b1;