mirror of
https://github.com/cc65/cc65.git
synced 2024-11-09 04:08:11 +00:00
29 lines
535 B
ArmAsm
29 lines
535 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 07.08.1998
|
|
;
|
|
; CC65 runtime: modulo operation for unsigned ints
|
|
;
|
|
|
|
.export tosumoda0, tosumodax
|
|
.import popptr1, udiv16
|
|
.importzp sreg, ptr4
|
|
|
|
tosumoda0:
|
|
ldx #0
|
|
tosumodax:
|
|
sta ptr4
|
|
stx ptr4+1 ; Save right operand
|
|
jsr popptr1 ; Get right operand
|
|
|
|
; Do the division
|
|
|
|
jsr udiv16
|
|
|
|
; Result is in ptr1, remainder in sreg
|
|
|
|
lda sreg
|
|
ldx sreg+1
|
|
rts
|
|
|
|
|