HD404374FT datasheet(129/161 Pages) RENESAS

129 / 161 page

HD404374/HD404384/HD404389/HD404082/HD404084 Series

Rev.5.00, Sep.11.2003, page 129 of 161

Table 33

RAM Register Instructions

Operation

Mnemonic

Operation Code

Function

Status

Words/

Cycles

LAM

0 0 1

0 1 0

0 0

→ A

LAMX

0 0 1

0 1 0

0 0

→ A

↔ SPX

LAMY

0 0 1

0 1 0

0 1

→ A

↔ SPY

Load A from memory

LAMXY

0 0 1

0 1 0

0 1

→ A

↔ SPX, Y ↔ SPY

1/1

Load A from memory

LAMD d

0 1 1

0 1 0

0 0

→ A

2/2

LBM

0 0 0

0 0

→ B

LBMX

0 0 0

0 0

→ B

↔ SPX

LBMY

0 0 0

0 1

→ B

↔ SPY

Load B from memory

LBMXY

0 0 0

0 1

→ B

↔ SPX, Y ↔ SPY

1/1

LMA

0 0 1

0 1 0

1 0

→ M

LMAX

0 0 1

0 1 0

1 0

→ M

↔ SPX

LMAY

0 0 1

0 1 0

1 1

→ M

↔ SPY

Load memory from A

LMAXY

0 0 1

0 1 0

1 1

→ M

↔ SPX, Y ↔ SPY

1/1

Load memory from A

LMAD d

0 1 1

0 1 0

1 0

→ M

2/2

LMAIY

0 0 0

0 1 0

0 0

→ M, Y + 1 → Y

Load memory from A,

increment Y

LMAIYX

0 0 0

0 1 0

0 0

→ M, Y + 1 → Y

↔ SPX

1/1

LMADY

0 0 1

0 1 0

0 0

→ M, Y – 1 → Y

Load memory from A,

decrement Y

LMADYX

0 0 1

0 1 0

0 0

→ M, Y – 1 → Y

↔ SPX

1/1

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