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Reset carry flag, Reset decimal flag – Epson 6200A User Manual

Page 78

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Source Format:

Operation:

OP-Code:

Type:

Clock Cycles:

Flag:

Description:

Example:

Source Format:

Operation:

OP-Code:

Type:

Clock Cycles:

Flag:

Description:

Example:

MSB

LSB

MSB

LSB

C

Z

D

I

C

Z

D

I

72

EPSON

S1C6200/6200A CORE CPU MANUAL

3 INSTRUCTION SET

RCF

Reset carry flag

RCF

C

0

1

1

1

1

0

1

0

1

1

1 1

0

F5EH

VI

7

Reset
Not affected
Not affected
Not affected

Resets the C (carry) flag.

ADD A,4

RCF

A register

1101

0001

0001

C flag

0

1

0

RDF

Reset decimal flag

RDF

D

0

1

1

1

1

0

1

0

1

1

0 1

1

F5BH

VI

7

Not affected
Not affected
Reset
Not affected

Resets the D (decimal) flag.

ADD A,8

RDF

LD A,6

ADD A,8

A register

0110

0100

0100

0110

1110

D flag

1

1

0

0

0

C flag

0

1

1

1

0

Z flag

0

0

0

0

0