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
What links here? |  main |  Search |  page index |  image index |  document index
MC6802 - instruction set - decrement memory
programming - load a bitmap (bmp) file
MC6802 - instruction set - Branch if Less Than Zero
programming - target - GUI toolkits
MC6802 - instruction set - Wait For Interrupt
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 (5568 days ago)
ct = 1746064098.000000 = April 30 2025 21:48:18
ft = 1264962764.000000 = January 31 2010 13:32:44
dt = 481101334.000000