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[/] [eco32/] [trunk/] [fp/] [implementation/] [mmix/] [primes6.mms] - Rev 29
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% Example program ... Table of primes
L IS 600 The number of primes to find
t IS $255 Temporary storage
n GREG
q GREG
r GREG
jj GREG
kk GREG
pk GREG
mm IS kk
LOC Data_Segment
PRIME1 WYDE 2
LOC PRIME1+2*L
ptop GREG @
j0 GREG PRIME1+2-@
BUF OCTA
LOC #100
Main SET n,3
SET jj,j0
2H STWU n,ptop,jj
INCL jj,2
3H BZ jj,2F
4H INCL n,2
5H SET kk,j0
6H LDWU pk,ptop,kk
DIV q,n,pk
GET r,rR
BZ r,4B
7H CMP t,q,pk
BNP t,2B
8H INCL kk,2
JMP 6B
GREG @
Title BYTE "First Six Hundred Primes"
NewLn BYTE #a,0
Blanks BYTE " ",0
2H LDA t,Title
TRAP 0,Fputs,StdOut
NEG mm,2
3H ADD mm,mm,j0
LDA t,Blanks
TRAP 0,Fputs,StdOut
2H LDWU pk,ptop,mm
0H GREG #2030303030000000
STOU 0B,BUF
LDA t,BUF+4
1H DIV pk,pk,10
GET r,rR
INCL r,'0'
STBU r,t,0
SUB t,t,1
PBNZ pk,1B
LDA t,BUF
TRAP 0,Fputs,StdOut
INCL mm,2*L/10
PBN mm,2B
LDA t,NewLn
TRAP 0,Fputs,StdOut
CMP t,mm,2*(L/10-1)
PBNZ t,3B
TRAP 0,Halt,0
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