LMC Instruction Set Summary

46 Computer Science Topics

We’ve created 46 modules covering every Computer Science topic needed for GCSE level. These are transferable across AQA, CIE, Edexcel, CIE & Internationally. Suitable for teachers or home educators alike.

Whether you’re a brand new Computer Science teacher, or you’ve been teaching ICT for years, our resources will save you hours and hours of lesson preparation every single week.

View the resources →

Instruction
Mnemonic
Machine Code

Load
LDA
5xx

Store
STA
3xx

Add
ADD
1xx

Subtract
SUB
2xx

Input
INP
901

Output
OUT
902

End
HLT
000

Branch always
BRA
6xx

Branch if zero
BRZ
7xx

Branch if zero or positive
BRP
8xx

Data storage
DAT

NOTE: xx represents a memory address between 0 and 99 . . .

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