SCG9800 datasheet(21/29 Pages) ETC1

21 / 29 page

SCG9800

8-BIT MICROCONTROLLER

Score Concept Semiconductor Ltd.

Sept 2000

49.

INC label

Code

0110 0100 zzzz zzzz

Operation

(zzzz zzzz) + 1

→ (zzzz zzzz)

Flags

N, Z, C

50.

INT

Code

0011 0110

Operation

PC LOW

→ (SP),

SP-1

→ SP

PCHIGH

→(SP),

SP-1

→ SP

IPAGE

→ (SP),

SP-1

→ SP

→ (SP),

SP-1

→ SP

→ I

3FC0H

→ PC

→ iPAGE,PAGE

Flags

51.

Code

0111 0001

Operation

→PC[7:0]

Flags

-----

52.

JUMP ADDR14

Code

10zz zzzz zzzz zzzz

Operation

ADDR14

→PC[13:0]

If PAGE

≠iPAGE

PAGE

→iPAGE

Flags

-----

53.

MOV A, X

Code

0000 0010

Operation

→X

Flags

-----

54.

MOV A, Y

Code

0000 0011

Operation

→Y

Flags

-----

55.

MOV A, (X)

Code

0000 0110

Operation

→(X)

Flags

-----

56.

MOV A, (Y)

Code

0000 0111

Operation

→(Y)

Flags

-----

57.

MOV A label

Code

0000 0100 zzzz zzzz

Operation

→(zzzz zzzz)

Flags

-----

58.

MOV X, A

Code

0001 0000

Operation

→A

Flags

N, Z

59.

MOV X, Y

Code

0001 0011

Operation

→Y

Flags

-----

60.

MOV X, (Y)

Code

0001 0111

Operation

→(Y)

Flags

-----

61.

MOV X, label

Code

0001 0100 zzzz zzzz

Operation

→(zzzz zzzz)

Flags

-----

62.

MOV Y, A

Code

0001 1000

Operation

→A

Flags

N, Z

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