CHIP-8 · COSMAC VIP Console

Power

PWR SND

Transport

Speed / Clock

700 Hz

CPU speed · lower = slower

Display / Theme

Phosphor colour

ROM Library

Keypad

Map: 1–4 = 1–4 · Q–R = 4–6 · A–F = 7–9 · Z–V = A–F

Controls

Power — master switch; starts / halts the emulator (LED shows state).
Pause / Resume — freeze & resume execution.
Step — execute a single instruction while paused.
Reset — reload current ROM, clear RAM and display.
Mute — toggle the beeper.
Fullscreen — expand the console to the viewport.
Upload ROM… — load any .ch8 file from disk.

Keyboard Map

Map your keyboard to the hex pad:

Key	1	2	3	4	Q	W	E	R
Hex	1	2	3	C	4	5	6	D
Key	A	S	D	F	Z	X	C	V
Hex	7	8	9	E	A	0	B	F

Shortcuts: Space pause · N step · Backspace reset · M mute · G fullscreen · H help

Timers & Specs

Delay timer — counts down at 60 Hz; used by programs for timing.
Sound timer — beeps while its value is non-zero (60 Hz).
RAM — 4 KB (4096 bytes); programs load at 0x200.
Display — 64×32 monochrome, XOR-based sprite drawing.
Keypad — 16-key hexadecimal input (FX0A waits for a press).

📦Drop .ch8 ROM file here