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
MC6802 - instruction set - decrement memory
programming:microchip pics:pic_labx_20_pushbuttons
japanese - particles
MC6802 - instruction set - Rotate Left Accumulator
MC6802 - instruction set - rotate right memory
programming:microchip pics:pic_labx_20_leds
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 (5971 days ago)
ct = 1780878730.000000 = June 07 2026 20:32:10
ft = 1264962764.000000 = January 31 2010 13:32:44
dt = 515915966.000000