gpu
gpu done
Add        VGA.vhd
Add        gpu_test.vhd
Modified   IO.vhd
Modified   SerialPort.vhd
Modified   gpu_test.vhd
Modified   top_cpu.ucf
Modified   top_cup.xise
fuck
vga done
fix is_done bug
int
Merge branch 'master' of https://github.com/cjld/THCO-MIPS-Computer