HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.1

2009.11.19

Http: //www.silan.com.cn

Page 17 of 28

01.

CLR @LL, b

Clear the B-bit of the RAM pointed at by the LL register.

02.

SET @LL, b

Set the B-bit of the RAM pointed at by the LL register to 1.

03.

TEST @LL, b

Test the B-bit of the RAM pointed at by the LL register. If this bit is1, the SF is

set to 0; otherwise, the SF is set to 1.

5.

Carry operation instructions

Flag

Instruction

Operation

CF

SF

Cycle

CLR CF

CF

←0

0

1

2

SET CF

CF

←1

1

1

2

TESTP CF

SF

←CF

-

CF

1

01.

CLR CF

Clear the carry flag to 0.

02.

SET CF

Set the carry flag to 1.

03.

TESTP CF

Test the carry flag, send the carry flag to SF.

6.

Jump instructions

Flag

Instruction

Operation

CF

SF

Cycle

BSS addr7

PC[6:0]

← addr7

-

1

2

01.

BSS addr7

Jump to addr7, jump range: in the block (128-byte)

7.

Subroutine instructions

Flag

Instructions

Operation

CF

SF

Cycle

CALLS vect

PUSH(PC+1);

PC

← vect

-

-

2

RET

POP(PC)

-

-

2

01.

CALLS vect

Call the subroutine, and the subroutine address can only be 000H-01FH.

02.

RET

Subroutine back

8.

Other instructions

Flag

Instructions

Operation

CF

SF

Cycle

HOLD

-

-

1

1

NOP

-

-

-

1

TMRST

TIMER

← 1FFFFH

-

-

1