/*
bit = 1 bit
nibble = 4 bits
byte = 8 bits
word = 32 bits
*/

/*
16 registers of length word
	13 general purpose
	1 stack pointer
	1 link register
	1 program counter
*/

/*
CPSR = Current Program Status Registers
	N = negative result flag
	Z = zero result flag
	C = carry over flag
	V = overflow flag
*/