File REFINE.PA (PAL assembler source file)

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/ROUTINE TO REFINE BUFFER IN PATTERN RECOGNITION/
/***S. C. STEELY*AND*E. A. ENGQUIST***/
FIELD 0
INDCTR=164
*0600
REFINE,0
 TAD (5000)
 DCA POINTR
 TAD (-2000)
 DCA CNTR
 ISZ INDCTR
 JMP R2
R1, TAD I POINTR
 SPA
 CLA
 CLL RAR
 CLL RAR
 CDF 30
 DCA I POINTR
 CDF 00
 ISZ POINTR
 ISZ CNTR
 JMP R1
 JMP I REFINE
R2, TAD I POINTR
 SPA 
 CLA
 CLL RAR
 CLL RAR
 CDF 30
 TAD I POINTR
 DCA I POINTR
 CDF 00
 ISZ POINTR
 ISZ CNTR
 JMP R2
 JMP I REFINE
 CNTR,0
 POINTR,0
*0700
REFIX,0
 TAD (5000)
 DCA POINTR
 TAD (-2000)
 DCA CNTR
 CDF 30
 TAD I POINTR
 CDF 00
 DCA I POINTR
 ISZ POINTR
 ISZ CNTR
 JMP REFIX+5
 JMP I REFIX
$

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