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Update sys.

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sorgelig
2019-07-12 04:24:12 +08:00
parent fa444aec03
commit 9695397185
31 changed files with 2207 additions and 1365 deletions
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22
sys/hq2x.sv
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@ -15,12 +15,15 @@
module Hq2x #(parameter LENGTH, parameter HALF_DEPTH)
(
input clk,
input ce_x4,
input ce_in,
input [DWIDTH:0] inputpixel,
input mono,
input disable_hq2x,
input reset_frame,
input reset_line,
input ce_out,
input [1:0] read_y,
input hblank,
output [DWIDTH:0] outpixel
@ -129,6 +132,14 @@ hq2x_buf #(.NUMWORDS(LENGTH*2), .AWIDTH(AWIDTH+1), .DWIDTH(DWIDTH1*4-1)) hq2x_ou
.wren(wrout_en)
);
always @(posedge clk) begin
if(ce_out) begin
if(read_x[0]) outpixel_x2 <= read_y[0] ? outpixel_x4[DWIDTH1*4-1:DWIDTH1*2] : outpixel_x4[DWIDTH1*2-1:0];
if(~hblank & ~&read_x) read_x <= read_x + 1'd1;
if(hblank) read_x <= 0;
end
end
wire [DWIDTH:0] blend_result = HALF_DEPTH ? rgb2h(blend_result_pre) : blend_result_pre[DWIDTH:0];
reg [AWIDTH:0] offs;
@ -139,10 +150,7 @@ always @(posedge clk) begin
wrout_en <= 0;
wrin_en <= 0;
if(ce_x4) begin
pattern <= new_pattern;
if(read_x[0]) outpixel_x2 <= read_y[0] ? outpixel_x4[DWIDTH1*4-1:DWIDTH1*2] : outpixel_x4[DWIDTH1*2-1:0];
if(ce_in) begin
if(~&offs) begin
if (cyc == 1) begin
@ -168,6 +176,7 @@ always @(posedge clk) begin
end
end
pattern <= new_pattern;
if(cyc==3) begin
nextpatt <= {new_pattern[7:6], new_pattern[3], new_pattern[5], new_pattern[2], new_pattern[4], new_pattern[1:0]};
{A, G} <= {Prev0, Next0};
@ -194,9 +203,6 @@ always @(posedge clk) begin
end
end
if(~hblank & ~&read_x) read_x <= read_x + 1'd1;
if(hblank) read_x <= 0;
old_reset_line <= reset_line;
end
end