millfork/docs/stdlib/stdlib.md

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stdlib

The stdlib module is automatically imported on most targets.

macro asm void poke(word const addr, byte a)

Stores a byte at given constant address. Will not be optimized away by the optimizer.

macro asm byte peek(word const addr)

Reads a byte from given constant address. Will not be optimized away by the optimizer.

macro asm void disable_irq()

Disables interrupts.

macro asm void enable_irq()

Enables interrupts.

byte hi_nibble_to_hex(byte a)

Returns an ASCII representation of the upper nibble of the given byte.

byte lo_nibble_to_hex(byte a)

Returns an ASCII representation of the lower nibble of the given byte.

macro asm void panic()

Crashes the program.