target board :BASYS3

VERILOG

VGA displaying functions. 1.1 Inputs of the VGA controller are clk, reset, en and outputs of the VGA controller are hsync, vsync, vga_red[3:0], vga_green[3:0], vga_blue[3:0]. 1.2 At the beginning or when reset (button) is pressed, the VGA display shows the image (e.g. amumu.jpg). The VGA image stay still until en (button) is pressed. 1.3 Pressing odd times en button to start/resume scrolling. Pressing even times en button to pause scrolling. Counter for en press is reset to zero when reset is pressed