vga_hello.asm : This source is same as we did in Kernel.c source. It points to VGA addreess 0xB800, with colors 4 bits, and 80*20 resolution font.

color_change.asm : Background colors changes as any key is pressed.

rotate_text.asm : Rotate the text to the right position with changing fore and back color by incrementing VGA index as any key is pressed.