mirror of
https://github.com/cc65/cc65.git
synced 2024-08-18 10:29:06 +00:00
which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
32 lines
326 B
ArmAsm
32 lines
326 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 29.12.1999
|
|
;
|
|
; CC65 runtime: Decrement ax by constant or value in Y
|
|
;
|
|
|
|
.export decaxy
|
|
.export decax2, decax1
|
|
.importzp tmp1
|
|
|
|
|
|
decaxy: sty tmp1
|
|
sec
|
|
sbc tmp1
|
|
bcs *+3
|
|
dex
|
|
rts
|
|
|
|
decax2: sec
|
|
sbc #2
|
|
bcs *+3
|
|
dex
|
|
rts
|
|
|
|
decax1: sec
|
|
sbc #1
|
|
bcs *+3
|
|
dex
|
|
rts
|
|
|
|
|