millfork/include/stdlib.mfk

// 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
}