URL https://opencores.org/ocsvn/zx_ula/zx_ula/trunk

Subversion Repositories zx_ula

[/] [zx_ula/] [branches/] [xilinx/] [ulaplus_replacement-upgrade_for_sp16-48k/] [rtl_ulaplus/] [rgb_builder.v] - Blame information for rev 26

Details | Compare with Previous | View Log


`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company: 
// Engineer: 
// 
// Create Date:    11:10:16 04/04/2012 
// Design Name: 
// Module Name:    rgb_builder 
// Project Name: 
// Target Devices: 
// Tool versions: 
// Description: 
//
// Dependencies: 
//
// Revision: 
// Revision 0.01 - File Created
// Additional Comments: 
//
//////////////////////////////////////////////////////////////////////////////////
module rgb_builder(
         input reset,
    input select, // 0=ULA, 1=ULA+
    input ri, //
    input gi, // digital IRGB
    input bi, // inputs from standar ULA
    input hi, //
    input [7:0] rgbulap, // 8-bit input from ULA+
    output reg [2:0] r, //
    output reg [2:0] g, // 3-bit final RGB signals
    output reg [2:0] b  //
    );
 
         always @(*) begin
                if (!select) begin
                        case ({hi,ri})
                                2'b00 : r = 3'b000;
                                2'b01 : r = 3'b101;
                                2'b10 : r = 3'b000;
                                2'b11 : r = 3'b111;
                        endcase
                end
                else
                        r = rgbulap[4:2];
        end
 
         always @(*) begin
                if (!select) begin
                        case ({hi,gi})
                                2'b00 : g = 3'b000;
                                2'b01 : g = 3'b101;
                                2'b10 : g = 3'b000;
                                2'b11 : g = 3'b111;
                        endcase
                end
                else
                        g = rgbulap[7:5];
        end
 
         always @(*) begin
                if (!select) begin
                        case ({hi,bi})
                                2'b00 : b = 3'b000;
                                2'b01 : b = 3'b101;
                                2'b10 : b = 3'b000;
                                2'b11 : b = 3'b111;
                        endcase
                end
                else
                        b = {rgbulap[1:0],rgbulap[1]};
        end
endmodule

Line No.	Rev	Author	Line
1	26	mcleod_ide	`timescale 1ns / 1ps
2			`//////////////////////////////////////////////////////////////////////////////////`
3			`// Company:`
4			`// Engineer:`
5			`//`
6			`// Create Date: 11:10:16 04/04/2012`
7			`// Design Name:`
8			`// Module Name: rgb_builder`
9			`// Project Name:`
10			`// Target Devices:`
11			`// Tool versions:`
12			`// Description:`
13			`//`
14			`// Dependencies:`
15			`//`
16			`// Revision:`
17			`// Revision 0.01 - File Created`
18			`// Additional Comments:`
19			`//`
20			`//////////////////////////////////////////////////////////////////////////////////`
21			`module rgb_builder(`
22			`input reset,`
23			`input select, // 0=ULA, 1=ULA+`
24			`input ri, //`
25			`input gi, // digital IRGB`
26			`input bi, // inputs from standar ULA`
27			`input hi, //`
28			`input [7:0] rgbulap, // 8-bit input from ULA+`
29			`output reg [2:0] r, //`
30			`output reg [2:0] g, // 3-bit final RGB signals`
31			`output reg [2:0] b //`
32			`);`
33
34			`always @(*) begin`
35			`if (!select) begin`
36			`case ({hi,ri})`
37			`2'b00 : r = 3'b000;`
38			`2'b01 : r = 3'b101;`
39			`2'b10 : r = 3'b000;`
40			`2'b11 : r = 3'b111;`
41			`endcase`
42			`end`
43			`else`
44			`r = rgbulap[4:2];`
45			`end`
46
47			`always @(*) begin`
48			`if (!select) begin`
49			`case ({hi,gi})`
50			`2'b00 : g = 3'b000;`
51			`2'b01 : g = 3'b101;`
52			`2'b10 : g = 3'b000;`
53			`2'b11 : g = 3'b111;`
54			`endcase`
55			`end`
56			`else`
57			`g = rgbulap[7:5];`
58			`end`
59
60			`always @(*) begin`
61			`if (!select) begin`
62			`case ({hi,bi})`
63			`2'b00 : b = 3'b000;`
64			`2'b01 : b = 3'b101;`
65			`2'b10 : b = 3'b000;`
66			`2'b11 : b = 3'b111;`
67			`endcase`
68			`end`
69			`else`
70			`b = {rgbulap[1:0],rgbulap[1]};`
71			`end`
72			`endmodule`

Browse

Tools

Subversion Repositories zx_ula

[/] [zx_ula/] [branches/] [xilinx/] [ulaplus_replacement-upgrade_for_sp16-48k/] [rtl_ulaplus/] [rgb_builder.v] - Blame information for rev 26