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13mod.s
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1980-02-17
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563b
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57 lines
/
/ MODULO
/
_MOD42:
movif (sp)+,fr0
tst (sp)
sxt -(sp)
br 2f
_MOD24:
mov (sp)+,r2
mov (sp)+,r0
mov (sp)+,r1
div r2,r0
bvs 1f
mov r1,-(sp)
sxt -(sp)
return
1:
sub $6.,sp
tst r2
sxt -(sp)
_MOD4:
movif (sp)+,fr0
2:
cfcc
beq 9f
movif (sp)+,fr1
divf fr0,fr1
modf $ONE,fr1
mulf fr0,fr1
cfcc
bgt 1f
subf $HALF,fr1
br 2f
1:
addf $HALF,fr1
2:
movfi fr1,-(sp)
return
_MOD2:
mov (sp)+,r2
beq 9f
mov (sp)+,r1
sxt r0
div r2,r0
bvs 1f
mov r1,-(sp)
sxt -(sp)
return
1:
clr -(sp)
sxt -(sp)
return
9:
mov $EMODCHK,_perrno
error EMODCHK