m6800/m6802 instruction set
bit-test memory and accumulator
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Bit-test memory with Accumulator
MemonicMode OpcodeCyclesBytes
BITA Immediate 85 2 2
Direct 95 3 2
Indexed A5 5 2
Extended B5 4 3
BITB Immediate C5 2 2
Direct D5 3 2
Indexed E5 5 2
Extended F5 4 3


A and M
B and M

Results:
H not affected
N set if bit 7 is 1
Z set
V set to zero
C not affected
MC6802 - instruction set - bit-test memory and accumulator
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filename:microprocessors - MC6800/MC6802 - instruction set - bit-test memory and accumulator
filename:microprocessors%20%2D%20MC6800%2FMC6802%20%2D%20instruction%20set%20%2D%20bit%2Dtest%20memory%20and%20accumulator
last edit:January 30 2010 16:25:36 (5499 days ago)
ct = 1740080447.000000 = February 20 2025 14:40:47
ft = 1264886736.000000 = January 30 2010 16:25:36
dt = 475193711.000000