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MICROPROCESSOR INSTRUCTION REFERENCE->TSTB

Test Accumulator B, zero or minus

Compatibility: 6800, 6802, 6803, 6303R, 6303X, 6303Y

B - 00

Condition Code Register

C  Reset Always
V  Reset Always
Z  Set if result zero, else cleared
N  Set if result negative, else cleared
I  Not affected
H  Not affected

    

Addressing mode	op	cyc	bytes	Assembler syntax
Implied:	5D	1	1	TSTB

(Sometimes more cycles)