PPT Slide

PROGRAM MATCHING

Program matching is the process of trying to make consistent

correspondences of instructions, labels and registers.

An answer program

The student’s program

PRG START

SET GRX1 0

SET GRG2 0

LOOP ADD GRG2,DATA,GRX1

INC GRX1 1

COMP GRX1 N

JMI LOOP

ST GRG2,SUM

EXIT

P1 START

LEA GR2,0

LD GR1,C0

L ADD GR2,DATA,GR1

ADD GR1,C1

CPA GR1,CN

JMI LOOP

ST G2,ANS

EXIT

An answer program PRG DATA N SUM LOOP GRX1 GRG2

The student’s program P1 DATA CN ANS L GR1 GR2

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