w65c816s Western Design Center, Inc., w65c816s Datasheet - Page 38

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w65c816s

Manufacturer Part Number

w65c816s

Description

W65c816s 8/16?bit Microprocessor

Manufacturer

Western Design Center, Inc.

Datasheet

1.W65C816S.pdf (57 pages)

Current page: 38 of 57
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1a. Absolute a

ADC, AND, BIT, CMP, CPX, CPY, EOR,

LDA, LDX LDY ORA, SBC, STA, STX,

STY, STZ,

18 OpCodes, 3 bytes, 4 & 5 cycles

1b. Absolute a

JMP (4C)

1 OpCode, 3 bytes, 3 cycles

1c. Absolute a

JSR

1 OpCode, 3 bytes, 6 cycles

(different order from N6502)

1d. Absolute (R-M-W) a

ASL, DEC, INC, LSR, ROL, ROR, TRB,

TSB

6 OpCodes, 3 bytes, 6 & 8 cycles

2a. Absolute Indexed Indirect (a,x)

JMP

1 OpCode, 3 bytes, 6 cycles

2b. Absolute Indexed Indirect (a,x)

JSR

1 OpCode, 3 bytes, 8 cycles

3a. Absolute Indirect (a)

JML

1 OpCode, 3 bytes, 6 cycles

3b. Absolute Indirect (a)

JMP

1 OpCode, 3 bytes, 5 cycles

Address Mode

Table 5-7 Instruction Operation (continued on following 6 pages)

(1)

(1)

(3)(17)

(1)

Note

1

2

3

4

4a

1

2

3

1

1

2

3

4

5

6

1

1

2

3

4

4a

5

6a

6

1

2

3

4

5

6

1

1

2

3

4

5

6

7

8

1

1

2

3

4

5

6

1

1

2

3

4

5

1

Cycl

e

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

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

1

VPB

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

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

1

1

1

MLB

1

0

0

1

1

1

0

0

1

1

0

0

0

1

1

1

1

0

0

1

1

0

1

1

1

0

0

0

0

0

1

1

0

1

1

0

0

0

0

1

1

0

0

1

1

1

1

1

0

0

1

1

1

VDA

(14)

1

1

1

0

0

1

1

1

1

1

1

1

0

0

0

1

1

1

1

0

0

0

0

0

1

1

1

0

1

1

1

1

1

0

0

1

0

1

1

1

1

1

1

0

0

0

1

1

1

1

0

0

1

VPA

(14)

PBR,PC

PBR,PC+1

PBR,PC+2

DBR,AA

DBR,AA+1

PBR,PC

PBR,PC+1

PBR,PC+2

PBR,New PC

PBR,PC

PBR,PC+1

PBR,PC+2

PBR,PC+2

0,S

0,S-1

PBR,NEWPC

PBR,PC

PBR,PC+1

PBR,PC+2

DBR,AA

DBR,AA+1

DBR,AA+1

DBR,AA+1

DBR,AA

PBR,PC

PBR-PC+1

PBR-PC+2

PBR,PC+2

PBR,AA+X

PBR,AA+X+1

PBR,NEW PC

PBR,PC

PBR,PC+1

0,S

0,S-1

PBR,PC+2

PBR,PC+2

PBR,AA+X

PBR,AA+X+1

PBR,NEW PC

PBR,PC

PBR,PC+1

PBR,PC+2

0,AA

0,AA+1

0,AA+2

NEW PBR,PC

PBR,PC

PBR,PC+1

PBR,PC+2

0,AA

0,AA+1

PBR,NEW PC

Address Bus

(15)

OpCode

AAL

AAH

Data Low

Data High

OpCode

New PCL

New PCH

OpCode

OpCode

New PCL

New PCH

IO

PCH

PCL

Next

OpCode

OpCode

AAL

AAH

Data Low

Data High

IO

Data High

Data Low

OpCode

AAL

AAH

IO

New PCL

New PCH

OpCode

OpCode

AAL

PCH

PCL

AAH

IO

New PCL

New PCH

Next

OpCode

OpCode

AAL

AAH

New PCL

New PCH

New PBR

OpCode

OpCode

AAL

AAH

New PCL

New PCH

OpCode

Data Bus

38

1

1

1

1/0

1/0

1

1

1

1

1

1

1

1

0

0

1

1

1

1

1

1

1

0

0

1

1

1

1

1

1

1

1

1

0

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

RWB

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