16 lines
203 B
ArmAsm
16 lines
203 B
ArmAsm
|
;
|
||
|
|
; Ullrich von Bassewitz, 02.06.1998
|
||
|
|
;
|
||
|
|
; int isdigit (int c);
|
||
|
|
;
|
||
|
|
|
||
|
|
.export _isdigit
|
||
|
|
.import __ctype
|
||
|
|
|
||
|
|
_isdigit:
|
||
|
|
tay
|
||
|
|
lda __ctype,y ; Get character classification
|
||
|
|
and #$04 ; Mask digit bit
|
||
|
|
rts
|
||
|
|
|