Difference between revisions of "Assembly Language"

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(SUB - Subtract)
(ADD - Add)
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==ADD - Add==
 
==ADD - Add==
Operation to add two numbers together
+
Operation used to add two numbers together
  
 
==SUB - Subtract==
 
==SUB - Subtract==

Revision as of 09:36, 16 March 2017

Operands

The operand can be interpreted in two different ways, if it uses:

  • # it refers to a specific value to use
  • Rm uses the value stored in register m

LDR - Load

This instruction is to load a value stored in memory into a CPU register.

STR - Store

This instruction is to store a value from a register into memory.

ADD - Add

Operation used to add two numbers together

SUB - Subtract

operation to subtract two numbers from each other

MOV - Move

This instruction is to copy a value into a register.

CMP - Compare

B - Branch

BEQ - Branch If Equal

BNE - Branch If Not Equal

BGT - Branch If Greater Than

BLT - Branch If Less Than

AND - Bitwise And

ORR - Bitwise Or

EOR - Bitwise Xor

MVN - Bitwise Not

LSL - Logical Shift Left

LSR - Logical Shift Right

HALT - Halt Program