4518 datasheet(102/160 Pages) RENESAS

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Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Skip condition

Number of

cycles

Number of

words

Instruction

code

Flag CY

Rev.3.01

2005.06.15

page 102 of 157

REJ03B0008-0301

4518 Group

SD (Set port D specified by register Y)

0000010101

015

–

Grouping:

Input/Output operation

Description: Sets (1) to a bit of port D specified by regis-

ter Y.

Operation:

(D(Y))

← 1

(Y) = 0 to 7

SC (Set Carry flag)

0000000111

007

–

Grouping:

Arithmetic operation

Description: Sets (1) to carry flag CY.

Operation:

(CY)

← 1

RTS (ReTurn from subroutine and Skip)

0001000101

045

–

Skip at uncondition

Grouping:

Return operation

Description: Returns from subroutine to the routine

called the subroutine, and skips the next in-

struction at uncondition.

Operation:

(PC)

← (SK(SP))

(SP)

← (SP) – 1

SB j (Set Bit)

00010111j

–

Grouping:

Bit operation

Description: Sets (1) the contents of bit j (bit specified by

the value j in the immediate field) of M(DP).

Operation:

(Mj(DP))

← 1

j = 0 to 3

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

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