File: addeqsp.s

package info (click to toggle)
cc65 2.19-2
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 20,268 kB
  • sloc: ansic: 117,151; asm: 66,339; pascal: 4,248; makefile: 1,009; perl: 607
file content (24 lines) | stat: -rw-r--r-- 380 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
;
; Ullrich von Bassewitz, 08.10.1998
;
; CC65 runtime: += operator for ints on the stack
;

        .export         addeq0sp, addeqysp
        .importzp       sp

addeq0sp:
        ldy     #0
addeqysp:
        clc
        adc     (sp),y
        sta     (sp),y
        pha
        iny
        txa
        adc     (sp),y
        sta     (sp),y
        tax
        pla
        rts