mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
21 lines
433 B
ArmAsm
21 lines
433 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 23.11.2002
|
|
; Christian Krueger, 11-Mar-2017, saved 5 bytes
|
|
;
|
|
; CC65 runtime: Convert char in ax into a long
|
|
;
|
|
|
|
.export aulong, along
|
|
.importzp sreg
|
|
|
|
; Convert A from char to long in EAX
|
|
|
|
along: ldx #$ff
|
|
cmp #$80 ; Positive?
|
|
bcs store ; no, apply $FF
|
|
|
|
aulong: ldx #0
|
|
store: stx sreg
|
|
stx sreg+1
|
|
rts
|