W65C02S Datasheet, PDF (34/40 Pages) List of Unclassifed Manufacturers – Microprocessor

The Western Design Center, Inc.
W65C02S Datasheet
Address Mode
Note Cycle VPB
11b. Zero Page zp
1
1
ASL, DEC, INC, ROL, ROR, TRB, TSB
7 OpCodes
2
1
3
1
4
1
5
1
1
1
11c. Zero Page zp
1
1
RMBx, SMBx
16 OpCodes, 2 bytes, 5 cycles
2
1
3
1
4
1
5
1
11d. Zero Page zp
BBRx, BBSx
1
1
2
1
16 OpCodes, 3 bytes, 5 cycles
3
1
4
1
5
1
1
1
12. Zero Page Indexed Indirect (zp,x)
ADC, AND, CMP, EOR, LDA, ORA,
SBC, STA
1
1
2
1
3
1
8 OpCodes, 1 byte, 5 cycles
4
1
5
1
1
1
13a. Zero Page Indexed with X zp,x
ADC, AND, BIT, CMP, EOR, LDA,
ORA, LDY, SBC, STA, STY, STZ
12 OpCodes, 1 byte, 4 cycles
1
1
2
1
3
1
4
1
1
1
13b. Zerp Page Indexed with X zp,x
ASL, DEC, INC, LSR, ROL, ROR
6 OpCodes, 1 byte, 6 cycles
1
1
2
1
3
1
4
1
5
1
6
1
1
1
14. Zero Page Indexed with Y zp,y
ADC, AND, CMP, EOR, LDA, LDX,
ORA, SBC, STA, STX
10 OpCodes, 1 byte, 4 cycles
1
1
2
1
3
1
4
1
1
1
15. Zero Page Indirect (zp)
ADC, AND, CMP, EOR, LDA, ORA,
1
1
2
1
SBC, STA
8 OpCodes, 1 byte, 4 cycles
3
1
4
1
1
1
16.. Zero Page Indirect Indexed with y
1
1
(zp),y
2
1
ADC, AND, CMP, EOR, LDA, ORA,
3
1
SBC, STA
(6)
4
1
8 OpCodes, 1 byte, 4, 5 and 6 cycles
(1)
5
1
5a
1
MLB
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
SYNC
1
0
0
0
0
1
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
0
1
1
0
0
0
1
1
0
0
0
0
0
1
1
0
0
0
1
1
0
0
0
1
1
0
0
0
0
0
Address Bus
PC
PC+1
PC+1
zp
zp
PC+2
PC
PC+1
zp
zp
zp
PC
PC+1
zp
PC+2
PC+3
PC+2+0Offset
PC
PC+1
PC+1
0,zp+X
Indirect address
PC+1
PC
PC+1
PC+1
0,zp+X
PC+1
PC
PC+1
PC+1
0,zp+X
0,zp+X
0,zp+X
PC+1
PC
PC+1
PC+1
0,zp+Y
PC+1
PC
PC+1
0,zp
Indirect address
PC+1
PC
PC+1
0,zp
0,zp+1
Indirect address+y
PC+2
Data Bus
OpCode
zp
Data
not used
Data
New OpCode
OpCode
zp
Data
not used
Data
OpCode
zp
Data
Offset
not used
New OpCode
OpCode
zp
not used
Indirect address
Data
New OpCode
OpCode
zp
not used
Data
New OpCode
OpCode
zp
not used
Data
not used
Data
New OpCode
OpCode
zp
not used
Data
New OpCode
OpCode
zp
Indirect address
Data
New OpCode
OpCode
zp
Indirect address HIGH
Indirect address LOW
Data
New OpCode
RWB
1
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1/0
1
1
1
1
1
1
0
1
1
1
1
1/0
1
1
1
1
1/0
1
1
1
1
1
1/0
I
The Western Design Center, Inc.
W65C02S Datasheet
34