m6800/m6802 instruction set
add memory to accumulator with carry
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Add memory to Accumulator With Carry
MemonicMode OpcodeCyclesBytes
ADCA Immediate 89 2 2
Direct 99 3 2
Indexed A9 5 2
Extended B9 4 3
ADCB Immediate C9 2 2
Direct D9 3 2
Indexed E9 5 2
Extended F9 4 3


A := A + M + C
B := B + M + C

Results:
H set on carry from bit 3
N set if bit 7 is 1
Z set if all bits are 0
V set on 2's complement overflow
C set on carry from bit 7
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filename:microprocessors - MC6800/MC6802 - instruction set - add memory to accumulator with carry
filename:microprocessors%20%2D%20MC6800%2FMC6802%20%2D%20instruction%20set%20%2D%20add%20memory%20to%20accumulator%20with%20carry
last edit:January 30 2010 20:25:50 (5704 days ago)
ct = 1757738127.000000 = September 13 2025 00:35:27
ft = 1264901150.000000 = January 30 2010 20:25:50
dt = 492836977.000000