Welcome to Lesson 2 of the ARM Assembly Series from LaurieWired!
In this lesson, we add the ADD, SUB, and MUL instructions to our repertoire. We also take a look at the different flags of the CPSR and how we can set them by adding “S“ to the instruction mnemonic.
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Timestamps:
00:00 Intro
01:18 ADD (Immediate)
05:13 ADD (Register)
07:26 SUB (Register)
09:32 MUL
10:52 CPSR (Current Program Status Register)
12:40 Setting Flags in CPSR
14:51 Result Stuck?
15:35 Binary Time
18:39 Recap
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Links Mentioned in Video:
CPUlator:
CPSR register:
ADD immediate:
ADD register
MOV register:
SUB register:
SUB immediate:
MUL:
(no mul immediate)
[Rd] = [Rn] * [Rm]
Syscall table: /master/constants/#arm-32_bit_EABI
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