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oyvindrobertsen/gist:7354416

Created November 7, 2013 13:16
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gistfile1.asm
Start:
LDR R0, =GPIO_BASE
MOV R1, PORT_SIZE
MOV R2, PORT_E
MOV R3, GPIO_PORT_DOUTSET
MUL R1, R1, R2
ADD R1, R1, R3
ADD R0, R0, R1 // R1 is hex amount of bytes to offset GPIO_BASE with, PORT_SIZE*PORT + REG
MOV R1, #0b00000100
STR R1, [R0]
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