Excalibur electronic A-MNL-NIOSPROG-01.1 manual Add Without Carry, ADD %rA,%rB

32-Bit Instruction Set

					ADD
					Add Without Carry
Operation:	RA ← RA + RB
Assembler Syntax:	ADD %rA,%rB
Example:	ADD %L3,%g0 ; ADD %g0 to %L3
Description:	Adds the contents of register A to register B and stores the result in register A.
Condition Codes:	Flags:
	N	V	Z	C
	∆	∆	∆	∆

N: Result bit 31

V: Signed-arithmetic overflow

Z:Set if result is zero; cleared otherwise

C:Carry-out of addition

Instruction Format:				RR
Instruction Fields:				A = Register index of RA operand
				B = Register index of RB operand
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
0	0	0	0	0	0			B					A

2

32-Bit Instruction Set

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