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YEAR 1 CO1 WEEK 10 LITTLE MAN COMPUTER

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

LOAD

Back (Answer)

LDA Machine code 5xx Loads contents of address xx onto the accumulator.

#2
Front (Question)

STORE

Back (Answer)

STA Machine code 3xx Stores the contents of accumulator to address xx

#3
Front (Question)

ADD

Back (Answer)

ADD Machine code 1xx Adds contents of address xx to the accumulator.

#4
Front (Question)

SUBTRACT

Back (Answer)

SUB Machine code 2xx Subtracts contents of address xx from the accumulator

#5
Front (Question)

INPUT

Back (Answer)

INP Machine code 901 Copies value from the “in box” onto the accumulator.

#6
Front (Question)

OUTPUT

Back (Answer)

OUT Machine code 902 Copies value from accumulator to the “out box”

#7
Front (Question)

END

Back (Answer)

HLT Machine code 000 Stops LMC simulator executing the program

#8
Front (Question)

BRANCH ALWAYS

Back (Answer)

BRA Machine code 6xx Sets program counter to address xx

#9
Front (Question)

BRANCH IF ZERO

Back (Answer)

BRZ Machine code 7xx If contents of accumulator are ZERO set program counter to address xx

#10
Front (Question)

BRANCH IF ZERO OR POSITIVE

Back (Answer)

BRP Machine code 8xx If contents of accumulator are ZERO or POSITIVE set program counter to address xx

#11
Front (Question)

DATA STORAGE

Back (Answer)

DAT No machine code Reserve as data the memory address reached when this instruction is compiled