snake6502/src/zeropage.asm

18 lines
463 B
NASM

; Zero page utility pointers
; ----------------------------------------------------------------------
; Where is the snake head in video memory? Do math to calculate address
; using pointer at tileMem,tileMem+1
tileMem DS 2
; Pointer to status string
printStatusString DS 2
; Pointer to intro string
printIntroString DS 2
; Pointer to screen position where to print intro string
introScreenStart DS 2
; Note: Locations $90-$FF in zeropage are used by kernal