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cc65/asminc/zeropage.inc
2022-04-17 16:04:58 +02:00

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PHP

;
; zeropage.inc
;
; (C) Copyright 2002-2012, Ullrich von Bassewitz (uz@cc65.org)
;
; Assembler include file that imports the runtime zero page locations used
; by the compiler, ready for usage in asm code.
.globalzp sp, sreg, regsave
.globalzp ptr1, ptr2, ptr3, ptr4
.globalzp tmp1, tmp2, tmp3, tmp4
.globalzp regbank
; The size of the register bank
regbanksize = 6
; The total amount of zero page space used
zpspace = 26
; The amount of space that needs to be saved by an interrupt handler that
; calls C code (does not include the register bank, which is saved by the
; generated C code if required).
zpsavespace = zpspace - regbanksize