顶层模块的代码如下:
module vga_colorbar (
input sys_clk,
input sys_rst_n,
output vga_hs,
output vga_vs,
output [15:0] vga_rgb
);
wire vga_clk_w;
wire locked_w;
wire rst_n_w;
wire [15:0] pixel_data_w;
wire [9:0] pixel_xpos_w;
wire [9:0] pixel_ypos_w;
assign rst_n_w = sys_rst_n && locked_w;
pll u_vga_pll(
.inclk0 (sys_clk),
.areset (~sys_rst_n),
.c0 (vga_clk_w),
.locked (locked_w)
);
vga