m6800/m6802 instruction set
decrement memory		What links here?
Decrement Memory
MemonicMode OpcodeCyclesBytes
DEC Indexed 6A 7 2
Extended 7A 6 3


M = -M (bitwise negation)

Results:
N set if bit 7 is 1
Z set if all bits are 0
V operand = 1000000 before operation?
C not affected
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MC6802 - instruction set - decrement memory
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filename:microprocessors - MC6800/MC6802 - instruction set - decrement memory
filename:microprocessors%20%2D%20MC6800%2FMC6802%20%2D%20instruction%20set%20%2D%20decrement%20memory
last edit:January 31 2010 13:32:44 (-2308179 minutes ago)
ct = 1126471985.000000 = September 11 2005 16:53:05
ft = 1264962764.000000 = January 31 2010 13:32:44
dt = -138490779.000000