Revision F

This is the latest release with a lot of small improvements:

• Adds support for joysticks (port A);
• Now works on MSX machines based on T6950 VDP;
• Score now is only cleaned when a new game starts.

Revision B

Updates:

• This revision fixes a problem in screen update (principally on 50Hz MSX machines)
• Changes on Makefile rules

Initial Version

The initial release