@ <intstruction> <destination> , <operand>, <operand>

.global _start

/*
	CMP R1. R2
	if R1 <  R2 then N is enabled
	if R1 >  R2 then N is disabled 
	if R1 == R2 then Z is enabled
*/

_start:
	MOV R1, #20
	MOV R2, #10
	CMP R1, R2
	BEQ values_equal
	BGT values_greater

values_less:
	MOV R0, #2
	B end	

values_equal:
	MOV R0, #1
	B end

values_greater:
	MOV R0, #3

end:
	MOV R7,	#1	@ exit to terminal
	SWI 0		@ system reads R7 after interrupt