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cc65/libsrc/runtime/lumod.s
cuz a47008cca0 Fixed a bug: Byte three of the remainder was overwritten by byte 4.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3796 b7a2c559-68d2-44c3-8de9-860c34a00d81
2007-08-26 17:25:21 +00:00

22 lines
386 B
ArmAsm

;
; Ullrich von Bassewitz, 27.09.1998
;
; CC65 runtime: modulo operation for long unsigned ints
;
.export tosumodeax
.import getlop, udiv32
.importzp sreg, tmp3, tmp4, ptr2
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