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[/] [eco32/] [trunk/] [fp/] [implementation/] [mmix/] [fibgo.mms] - Rev 273
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* Fibonacci with frame pointers (exercise 1.4.1--15)
sp GREG
fp GREG
n GREG
fn IS n
LOC #100
GREG @
Fib CMP $1,n,2
PBN $1,1F
STO fp,sp,0
SET fp,sp
INCL sp,8*4
STO $0,fp,8
STO n,fp,16
SUB n,n,1
GO $0,Fib
STO fn,fp,24 $F_{n-1}$
LDO n,fp,16
SUB n,n,2
GO $0,Fib
LDO $0,fp,24
ADDU fn,fn,$0
LDO $0,fp,8
SET sp,fp
LDO fp,sp,0
1H GO $0,$0,0
Main SETH sp,Data_Segment>>48
SET n,5
GO $0,Fib
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