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https://opencores.org/ocsvn/eco32/eco32/trunk
Subversion Repositories eco32
[/] [eco32/] [trunk/] [fp/] [implementation/] [mmix/] [fib.mms] - Rev 138
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t IS $255
n IS $0
new GREG
old GREG
phii GREG #9e3779b97f4a7c16
lo GREG
hi GREG
hihi GREG
LOC #100
Main SET n,2
SET old,1
SET new,1
1H ADDU new,new,old
INCL n,1
CMPU t,new,old
BN t,9F
SUBU old,new,old
MULU lo,old,phii
GET hi,rH
ADDU hi,hi,old
ADDU hihi,hi,1
CSN hi,lo,hihi
CMP t,hi,new
PBZ t,1B
SET t,1
9H TRAP 0,Halt,0
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