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remainder now is returned in d0.

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This commit is contained in:
ceriel 1987-03-27 08:49:14 +00:00
parent 1761fe1524
commit e38304b74f
1 changed files with 8 additions and 8 deletions
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16
mach/m68k4/libem/dvu.s
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@ -6,28 +6,28 @@
! unsigned long divide
! register usage:
! : d0 divisor
! : d2 divisor
! d1 dividend
! exit : d1 quotient
! d2 remainder
! d0 remainder
.sect .text
.dvu:
move.l 4(sp),d0
move.l 4(sp),d2
move.l 8(sp),d1
move.l d3,-(sp)
tst.l d0
tst.l d2
bne 0f
move.w #EIDIVZ,-(sp)
jsr .trp
0:
clr.l d2
clr.l d0
move.l #31,d3
3:
lsl.l #1,d1
roxl.l #1,d2
cmp.l d0,d2
roxl.l #1,d0
cmp.l d2,d0
blt 4f
sub.l d0,d2
sub.l d2,d0
add #1,d1
4:
dbf d3,3b