SC73P1601

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.4

2009.08.03

Http: www.silan.com.cn

Page 11 of 22

INSTRUCTION SETS

1. Transmit instruction

Instruction

Operation

CF

SF

Cycle

LD A, LL

A

← LL

---

1

2

LD A, B

A

← B

---

1

2

LD A, H

A

← H

---

1

2

LD A, D

A

← D

---

1

2

LD A, @LL

A

← RAM(LL)

---

1

1

LD A, #k

A

← k

---

1

1

LD CL1, A

CL1

← A

---

1

2

LD CL0, A

CL0

← A

---

1

2

LD CH1, A

CH1

← A

---

1

2

LD CH0, A

CH0

← A

---

1

2

LDH A, @BD

A

← ROM(BD)7-4

---

1

2

LDL A, @BD

A

← ROM(BD)3-0

---

1

2

LDS A, @BD

A

← ROM(BD)8

---

1

2

LDH @LL, @BD

RAM(LL)

← ROM(BD)7-4

---

1

2

LDL @LL, @BD

RAM(LL)

← ROM(BD)3-0

---

1

2

LDS @LL, @BD

RAM(LL)

← ROM(BD)8

---

1

2

LD LL, A

LL

← A

---

1

2

LD LL, #k

LL

← k

---

1

1

LD @LL, A

RAM(LL)

← A

---

1

1

LD @LL, #k

RAM(LL)

← k

---

1

1

LD D, A

D

← A

---

1

2

LD H, A

H

← A

---

1

2

LD B, A

B

← A

---

1

2

LD PR, A

PR

← A

---

1

2

LD PR2, A

PR2

← A

---

1

2

LD TM, A

TM

← A

---

1

2

LD A, TM

A

← TM

---

1

2

1

LD A, LL

Load values in the LL register to the accumulator.

2

LD A, D

Load values in the D register to the accumulator.

3

LD A, H

Load values in the H register to the accumulator.

4

LD A, B

Load values in the B register to the accumulator.

5

LD A, @LL

Load the contents of RAM pointed at by the LL ( LL & LH) register to accumulator.

6

LD A, #k

Load the 4 bit immediate K to accumulator.

7

LDL A, @BD

Load the lower 4 bit of ROM data pointed at by the BHD to accumulator.

8

LDH A, @BD

Load the higher 4 bit of ROM data pointed at by the BHD to accumulator.

9

LDS A, @BD

Load the highest 1 bit of ROM data pointed at by the BHD to accumulator

10

LDL @LL, @BD

Load the lower 4 bit of ROM data pointed at by the BHD to RAM pointed at by the

LL register.