programming assignment
lmoueomx
itsiac_ml.docPRIVATE
Array Element Machine Code(Decimal)
(Memory Location) Op Code Operand Assembler Like Code Comments
00 03 100 LOAD [100] * clear the
01 02 100 SUB [100] Accumulator *
02 04 100 STORE [100]
03 03 50 TOP LOAD [50] * ADD the first
04 01 100 ADD [100] number *
05 04 100 STORE [100]
06 03 03 LOAD TOP * LOAD the ML instr
Located at TOP into
the ACC. (ACC = 0350)*
07 02 20 SUB TARGET * SUB Target from the
ACC (ACC = -49)
08 06 13 BZ BOTTOM * Branch to halt program
if target is reached. *
09 03 03 LOAD TOP * LOAD the address of
Top into the ACC again.
(ACC = 0350)
10 01 19 ADD ONE * ADD 1 to the contents
OF the ACC *
(ACC = 0351)
11 04 03 STORE TOP * Put 0351 at location
[03]. The ML instruction
at location [03] is now
03 BRANCH TOP * Branch to ML
instruction
at location [03]
13 07 ‑‑ BOTTOM DUMP * Dump Memory and
Registers *
14 08 ‑‑ HALT * Stop execution*
15
16
17
18
19 00 01 ONE DC 1
20 03 99 TARGET LOAD [99]
21
22
23
24
25
∙
∙
∙
47
48
49
50 << DATA GOES HERE >>
51
52
53
54
55
56
Storage
Location Machine Code(HEX)
Array
Element | OpCode | Operand | Assembler Like Code
00 03 64 LOAD [100] * clear
01 02 64 SUB [100] Accumulator *
02 04 64 STORE [100]
03 03 32 TOP LOAD [50]
04 01 64 ADD [100]
05 04 64 STORE [100]
06 03 03 LOAD TOP
07 02 14 SUB TARGET
08 06 13 BZ BOTTOM
09 03 03 LOAD TOP
10 01 13 ADD ONE
11 04 03 STORE TOP
12 05 03 BRANCH TOP
13 07 ‑‑ BOTTOM DUMP
14 08 ‑‑ HALT
15
16
17
18
19 00 01 ONE DC 1
20 00 63 TARGET DC 0063(h)
