millfork/include/stdlib.mfk

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// target-independent things
word nmi_routine_addr @$FFFA
word reset_routine_addr @$FFFC
word irq_routine_addr @$FFFE
inline asm void poke(word const addr, byte const value) {
?LDA #value
STA addr
}
inline asm byte peek(word const addr) {
LDA addr
}
inline asm void disable_irq() {
SEI
}
inline asm void enable_irq() {
CLI
}