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CPU6502 Instruction Manual v2.1
Sunplus reserves the rights to change this documentation without prior notice.
09/13/2005
45
SEC
Set Carry Flag to 1, C
Å
1
Available Instruction
& No. Cycles
Addressing
mode
Assembly
Language
Form
6502
Opcode
Sunplus
Opcode
No.
Bytes
65b02
65n02
65r02 65s02
CPU12
Implied SEC 38H 58H 1 2 2 2 2 2
N V D I Z C
- - - - - !
C: Unconditionally Set
SED
Set Decimal Mode to 1, D
Å
1
Available Instruction
& No. Cycles
Addressing
mode
Assembly
Language
Form
6502
Opcode
Sunplus
Opcode
No.
Bytes
65b02
65n02
65r02 65s02
CPU12
Implied SED F8H
7AH
1 2 2 X
X X
X: Not available.
N V D I Z C
- - ! - - -
D: Unconditionally Set
SEI
Set Interrupt Disable flag to 1, I
Å
1 (Disable Interrupt)
Available Instruction
& No. Cycles
Addressing
mode
Assembly
Language
Form
6502
Opcode
Sunplus
Opcode
No.
Bytes
65b02
65n02
65r02 65s02
CPU12
Implied SEI 78H 5AH 1 2 2 2 2 2
N V D I Z C
- - - ! - -
I: Unconditionally Set
SET
Bit Set.