●
0 FPS

INSERT CARTRIDGE

or drag & drop any file

CONSOLE SWITCHES

CONTROLS

⌨ Arrows=Move Space/Z=Fire R=Reset S=Select

NTSC TIMING REFERENCE

NTSC Frame (262 scanlines):
├─ VSYNC:   3 lines  (0-2)
├─ VBLANK: 37 lines  (3-39)
├─ Visible:192 lines (40-231)
└─ Overscan:30 lines (232-261)

Each scanline: 228 clocks (76 CPU)
Frame rate: 59.94 Hz
WSYNC halts CPU until HBLANK