rom_color_gen.v

详细介绍SDRAM原理的中文电子书籍

module rom_color_gen(
	in,
	Y_out,
	U_out,
	V_out
	);
input	[3:0]	in;
output	[7:0]	Y_out;
output	[7:0]	U_out;
output	[7:0]	V_out;

reg	[9:0]	out;

always @ (in)
	case(in)
	'b0101:     begin					//white
					Y_out = 8'd235;
					U_out = 8'd128;
					V_out = 8'd128;
				end
	'b0110:     begin					//yellow
					Y_out = 8'd210;
					U_out = 8'd16;
					V_out = 8'd146;
				end
	'b0111:     begin					//cyan
					Y_out = 8'd169;
					U_out = 8'd166;
					V_out = 8'd16;
				end
	'b1001:     begin					//green
					Y_out = 8'd144;
					U_out = 8'd54;
					V_out = 8'd34;
				end
	'b1010:     begin					//Magenta
					Y_out = 8'd107;
					U_out = 8'd202;
					V_out = 8'd222;
				end
	'b1011:     begin					//Red
					Y_out = 8'd82;
					U_out = 8'd90;
					V_out = 8'd240;
				end
	'b1101:     begin					//Blue
					Y_out = 8'd41;
					U_out = 8'd240;
					V_out = 8'd110;
				end
	'b1110:     begin					//Black
					Y_out = 8'd16;
					U_out = 8'd128;
					V_out = 8'd128;
				end
	default:	begin
					Y_out = 8'd0;
					U_out = 8'd0;
					V_out = 8'd0;
				end
        endcase
endmodule