Syntax: SUB {<cond>}{S} <destination>, <operand1>, <operand2>
Operation: destination = operand one - operand two
Flags: N,Z,C,V
This instruction performs the arithmetic subtraction of its second operand from its first operand, and stores the result in the destination register.
Examples:
SUB R10,R2,R4 ; R10 = R2 - R4
SUBMI R1,R3,#1024 ; If neg flag set R1 = R3 - 1024
SUB R0,R0,R0,LSL#1 ; R0 = R0 - 2*R0 (R0 = -R0)
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