Paint in VHDL for Spartan S3-E

Implementation of paint consists of following modules:

vga.vhd - graphics controller,
main.sch - main mouse module,
driver.vhd - mouse controller module,
ps2_rx.vhd - PS/2 receiver,
ps2_tx.vhd - PS/2 transceiver,
controller.vhd - drawing controller,
RAM.xco - block RAM module,
mouse_test.sch - top level module.