mister-devel/Arcade-ComputerSpace_MiSTer
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Add color mode.

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sorgelig
2017-11-25 05:18:14 +08:00
parent d5871a3f26
commit 7e256bc07f
1 changed files with 20 additions and 19 deletions
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39
Arcade-ComputerSpace.sv
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@@ -111,6 +111,7 @@ localparam CONF_STR = {
"A.COMSPC;;",
"-;",
"O1,Aspect ratio,4:3,16:9;",
"O2,Color,No,Yes;",
"-;",
"T6,Reset;",
"J,Thrust,Fire,Start;",
@@ -187,7 +188,6 @@ wire m_thrust = btn_thrust | joy[4];
wire m_fire = btn_fire | joy[5];
wire m_start = btn_start | joy[6];
wire [3:0] video;
wire blank;
wire vs,hs;
@@ -196,9 +196,9 @@ assign CE_PIXEL = 1;
assign VGA_HS = hs;
assign VGA_VS = vs;
assign VGA_R = {video,video};
assign VGA_G = {video,video};
assign VGA_B = {video,video};
assign VGA_R = {r,r};
assign VGA_G = {g,g};
assign VGA_B = {b,b};
assign VGA_DE = ~blank;
wire [15:0] audio;
@@ -222,25 +222,26 @@ computer_space_top computerspace
.hsync(hs),
.vsync(vs),
.blank(blank),
.video(vraw),
.video(video),
.audio(audio)
);
wire [3:0] vraw;
wire [3:0] normal_video,inverse_video;
wire [3:0] video;
always_comb begin
normal_video = 4'b1111;
case(vraw[2:0])
0: normal_video = 4'b0000;
1: normal_video = 4'b0101;
2: normal_video = 4'b1000;
3: normal_video = 4'b1000;
endcase
inverse_video = !vraw[2:0] ? 4'b0111 : 4'b0000;
video = vraw[3] ? inverse_video : normal_video;
end
wire [5:0] rs,gs,bs, ro,go,bo, rc,gc,bc, rm,gm,bm;
wire [3:0] r,g,b;
assign {rs,gs,bs} = ~video[0] ? 18'd0 : status[2] ? {6'b0111,6'b0111,6'b0111} : {6'b0111,6'b0111,6'b0111};
assign {rc,gc,bc} = ~video[1] ? 18'd0 : status[2] ? {6'b0000,6'b1111,6'b1111} : {6'b0111,6'b0111,6'b0111};
assign {ro,go,bo} = ~video[2] ? 18'd0 : status[2] ? {6'b1111,6'b1111,6'b0000} : {6'b1111,6'b1111,6'b1111};
assign rm = rs + ro + rc;
assign gm = gs + go + gc;
assign bm = bs + bo + bc;
assign r = (rm[5:4] ? 4'b1111 : rm[3:0]) ^ {4{video[3]}};
assign g = (gm[5:4] ? 4'b1111 : gm[3:0]) ^ {4{video[3]}};
assign b = (bm[5:4] ? 4'b1111 : bm[3:0]) ^ {4{video[3]}};
endmodule