v1.1

• Audio: pulse1/2, triangle, and noise channels (no DMC). Press F5-F8 to toggle channel muting
• Mapper 3 (Gradius, Arkanoid, etc.)
• Mapper 7 (Battletoads, Marble Madness, R.C. Pro-Am)
• Press 'P' to toggle emulation pausing, press '[' to advance a single frame, hold ']' to advance multiple frames, hold '~' for turbo mode