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Amiga Plus 2002 #11
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Rnd.old.ass
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Text File
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2000-11-25
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447b
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37 lines
# Rnd(seed:r3:LONG)(LONG)
.text
.sdreg r2
.global _Rnd
_Rnd: mr. r5,r3
blt .set
subi r4,r5,1
lwz r3,.rnd(r2)
.l2: add. r3,r3,r3
bgt .l3
xoris r3,r3,0x1d87
xori r3,r3,0x2b41
.l3: srwi. r3,r3,1
bne .l2
stw r3,.rnd(r2)
mr. r5,r5
bne .l4
rotlwi. r3,r3,16
b .l5
.l4: mullw r3,r3,r5
.l5: li r3,0
rotlwi. r3,r3,16
blr
.set: neg r5,r5
stw r5,.rnd(r2)
blr
.type _Rnd,@function
.size _Rnd,$-_Rnd
.tocd
.global .rnd
.rnd: .long 0