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114
Find the address
prior to the inser-
tion point
Insert the
instruction
Program After Insertion
Inserting an Instruction
00000
00000
OUT 00000
00000
OUT 00201
00207SRCH
OUT 00201
00206READ
AND NOT 00104
00206
AND 00000
00206
AND 00105
00206INSERT?
AND 00105
00207INSERT END
AND NOT 00104
00206READ
AND 00105
Address Instruction Operands
00000 LD 00100
00001 AND 00101
00002 LD 00201
00003 AND NOT 00102
00004 OR LD ––
00005 AND 00103
00006 AND 00105
00007 AND NOT 00104
00008 OUT 00201
00009 END(01) ––
Find the instruction
that requires deletion.
Confirm that this is the
instruction to be deleted.
Program After Deletion
Deleting an Instruction
00000
00000
OUT 00000
00000
OUT 00201
00208SRCH
OUT 00201
00207READ
AND NOT 00104
00207 DELETE?
AND NOT 00104
00207DELETE END
OUT 00201
00206READ
AND 00105
Address Instruction Operands
00000 LD 00100
00001 AND NOT 00101
00002 LD 00201
00003 AND NOT 00102
00004 OR LD ––
00005 AND 00103
00006 AND 00105
00007 OUT 00201
00008 END(01) ––
Inputting, Modifying, and Checking the Program Section 4-7