Table of Contents        Previous topic       Next topic       

MICROPROCESSOR INSTRUCTION REFERENCE->ADDB

ADDB    Add Memory to Accumulator B

B + M -> B

Condition Code Register:

C  Set if carry generated, else cleared
V  Set on overflow, else cleared
Z  Set if result Zero, else cleared
N  Set if result Negative, else cleared
I  Not affected
H  Set if carry from bit 3 else cleared


    

Addressing mode	Assembler syntax
Immed.:	ADDB #<exprn.>
Direct:	ADDB <exprn.>
Index X:	ADDB <exprn.>,X
Index Y:	ADDB <exprn.>,Y
Extend:	ADDB <exprn.>