mirror of
https://github.com/cc65/cc65.git
synced 2024-11-05 08:05:51 +00:00
35 lines
824 B
ArmAsm
35 lines
824 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 27.09.1998
|
|
; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
|
|
;
|
|
; CC65 runtime: modulo operation for long unsigned ints
|
|
;
|
|
|
|
.export tosumod0ax, tosumodeax
|
|
.import getlop, udiv32
|
|
.importzp sreg, tmp3, tmp4, ptr2
|
|
|
|
.macpack cpu
|
|
|
|
tosumod0ax:
|
|
.if (.cpu .bitand ::CPU_ISET_65SC02)
|
|
stz sreg
|
|
stz sreg+1
|
|
.else
|
|
ldy #$00
|
|
sty sreg
|
|
sty sreg+1
|
|
.endif
|
|
|
|
tosumodeax:
|
|
jsr getlop ; Get the paramameters
|
|
jsr udiv32 ; Do the division
|
|
lda tmp3 ; Remainder is in ptr2:tmp3:tmp4
|
|
sta sreg
|
|
lda tmp4
|
|
sta sreg+1
|
|
lda ptr2
|
|
ldx ptr2+1
|
|
rts
|
|
|