POKE Keyword

POKE address, value

Stores the low 8 bits of value to memory at address.

Remarks

The address must be writable. If not, Bad Address at <address> is raised.

Writing to MMIO can have immediate hardware effects.

---

How to read it

• Think “store 8-bit”.
• Only the lowest byte of value is written.

---

Examples

REM Store a marker byte
POKE &100100, &AA
PRINT PEEK(&100100)

---

Notes

• Always use the access width expected by the device.

See also:
POKEW · POKED · POKEQ · PEEK