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Update sys.

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This commit is contained in:
sorgelig 2021-03-20 18:34:40 +08:00
parent 92f8383029
commit 5bced87dfe
2 changed files with 22 additions and 12 deletions
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4
sys/gamma_corr.sv
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@ -32,8 +32,10 @@ always @(posedge clk_vid) begin
reg [7:0] R_gamma, G_gamma;
reg hs,vs,hb,vb;
reg [1:0] ctr = 0;
reg old_ce;
if(ce_pix) begin
old_ce <= ce_pix;
if(~old_ce & ce_pix) begin
{R_in,G_in,B_in} <= RGB_in;
hs <= HSync; vs <= VSync;
hb <= HBlank; vb <= VBlank;

30
sys/video_freak.sv
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@ -73,14 +73,13 @@ always @(posedge CLK_VIDEO) begin
arx <= ARX;
ary <= ARY;
vsize <= vcrop;
vsize <= vcrop ? vcrop : vtot;
mul_start <= 0;
if(!vcrop || !ary || !arx) begin
arxo <= arx;
aryo <= ary;
vsize <= vtot;
end
else if (vcalc) begin
if(~mul_start & ~mul_run) begin
@ -182,7 +181,7 @@ always @(posedge CLK_VIDEO) begin
div_start <= 0;
mul_start <= 0;
if (!SCALE || !ary_i || !arx_i) begin
if (!SCALE || (!ary_i && arx_i)) begin
arxf <= arx_i;
aryf <= ary_i;
end
@ -210,48 +209,57 @@ always @(posedge CLK_VIDEO) begin
2: begin
oheight <= mul_res[11:0];
if(!ary_i) begin
cnt <= 8;
end
end
3: begin
mul_arg1 <= mul_res[11:0];
mul_arg2 <= arx_i;
mul_start <= 1;
end
3: begin
4: begin
div_num <= mul_res;
div_den <= ary_i;
div_start <= 1;
end
4: begin
5: begin
div_num <= div_res;
div_den <= hsize;
div_start <= 1;
end
5: begin
6: begin
mul_arg1 <= hsize;
mul_arg2 <= div_res[11:0] ? div_res[11:0] : 12'd1;
mul_start <= 1;
end
6: if(mul_res <= HDMI_WIDTH) cnt <= 8;
else begin
7: if(mul_res <= HDMI_WIDTH) begin
cnt <= 10;
end
8: begin
div_num <= HDMI_WIDTH;
div_den <= hsize;
div_start <= 1;
end
7: begin
9: begin
mul_arg1 <= hsize;
mul_arg2 <= div_res[11:0] ? div_res[11:0] : 12'd1;
mul_start <= 1;
end
8: begin
10: begin
narrow <= ((div_num[11:0] - mul_res[11:0]) <= (wideres - div_num[11:0])) || (wideres > HDMI_WIDTH);
wres <= wideres;
end
9: begin
11: begin
case(SCALE)
2: arxf <= {1'b1, mul_res[11:0]};
3: arxf <= {1'b1, (wres > HDMI_WIDTH) ? mul_res[11:0] : wres};