W65C02S Datasheet, PDF (35/40 Pages) List of Unclassifed Manufacturers – Microprocessor

The Western Design Center, Inc.
W65C02S Datasheet
Notes:
1. Add 1 cycle for indexing across page boundaries, or write. This cycle contains invalid addresses.
2. Add 1 cycle if branch is taken.
3. Add 1 cycle if branch is taken across page boundaries.
4. Wait at cycle 2 for 2 cycles after NMIB or IRQB active input.
5. RWB remains high during Reset.
6. Add 1 cycle for decimal mode
AAH
AAH
AAL
AAVH
AAVL
C
DEST
ID
IO
P
Absolute Address
Absolute Address High
Absolute Address Low
Absolute Address Vector High
Absolute Address Vector Low
Accumulator
Destination
Immediate Data
Internal Operation
Status Register
PC
PCH
PCL
R-M -W
REG
S
SRC
SO
V
x,y
zp
Program Counter
Program Counter High
Program Counter Low
Read-Modify -Write
Register
Stack Address
Source
Stack Offset
Vector Address
Index Register
Zero Page Address
The Western Design Center, Inc.
W65C02S Datasheet
35