snake6502/src/zeropage.asm

19 lines
396 B
NASM

; Zero page utility pointers
; ----------------------------------------------------------------------
SEG zeropageSegment
; Pointer to level struct
levelPointer DS 2
; Pointer for Pointer in the NextPointer routine
nextPointerPointer DS 2
; Pointer to string for strlen routine
strlenString DS 2
; Interrupt counter
counter DS 2
; Note: Locations $90-$FF in zeropage are used by kernal