millfork/include/pet_kernal.mfk

// Routines from Commodore PET KERNAL ROM

#if not(CBM_PET)
#warn pet_kernal module should be only used on PET targets
#endif

// CHROUT. Write byte to default output. (If not screen, must call OPEN and CHKOUT beforehands.)
// Input: A = Byte to write.
asm void putchar(byte a) @$FFD2 extern

inline void new_line() {
    putchar(13)
}