m6800/m6802 instruction set
Negate Accumulator		What links here?
Complement Accumulator
MemonicMode OpcodeCyclesBytes
NEGA Inherent 40 2 1
NEGB Inherent 50 2 1


A = 0 - A (two's complement) B = 0 - B

Results:
N set if bit 7 is 1
Z set if all bits are 0
V set if result = 10000000
C set if result = 00000000
What links here? |  main |  Search |  page index |  image index |  document index
MC6802 - instruction set - Negate Accumulator
microprocessors - MC6802 - signals
MC6802 - instruction set - clear accumulator
MC6802 - instruction set - Subtract Accumulators
MC6802 - instruction set - Compare Accumulators
programming:microchip pics:pic_labx_20_pushbuttons
programming:microchip pics:pic references
MC6802 - instruction set - set carry flag
filename:microprocessors - MC6800/MC6802 - instruction set - Negate Accumulator
filename:microprocessors%20%2D%20MC6800%2FMC6802%20%2D%20instruction%20set%20%2D%20Negate%20Accumulator
last edit:January 31 2010 14:01:04 (5679 days ago)
ct = 1755698205.000000 = August 20 2025 09:56:45
ft = 1264964464.000000 = January 31 2010 14:01:04
dt = 490733741.000000