UPSD3422 datasheet(45/293 Pages) STMICROELECTRONICS

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uPSD34xx

uPSD34xx instruction set summary

45/293

Table 9.

Boolean variable manipulation instruction set

Note:

All mnemonics copyrighted ©Intel Corporation 1980.

Table 10.

Program branching instruction set

Mnemonic(1) and Use

Description

Length/Cycles

CLR

Clear carry

1 byte/1 cycle

CLR

bit

Clear direct bit

2 byte/1 cycle

SETB

Set carry

1 byte/1 cycle

SETB

bit

Set direct bit

2 byte/1 cycle

CPL

Compliment carry

1 byte/1 cycle

CPL

bit

Compliment direct bit

2 byte/1 cycle

ANL

C, bit

AND direct bit to carry

2 byte/2 cycle

ANL

C, /bit

AND compliment of direct bit to carry

2 byte/2 cycle

ORL

C, bit

OR direct bit to carry

2 byte/2 cycle

ORL

C, /bit

OR compliment of direct bit to carry

2 byte/2 cycle

MOV

C, bit

Move direct bit to carry

2 byte/1 cycle

MOV

bit, C

Move carry to direct bit

2 byte/2 cycle

rel

Jump if carry is set

2 byte/2 cycle

JNC

rel

Jump if carry is not set

2 byte/2 cycle

rel

Jump if direct bit is set

3 byte/2 cycle

JNB

rel

Jump if direct bit is not set

3 byte/2 cycle

JBC

bit, rel

Jump if direct bit is set and clear bit

3 byte/2 cycle

Mnemonic(1) and Use

Description

Length/Cycles

Program Branching Instructions

ACALL

addr11

Absolute subroutine call

2 byte/2 cycle

LCALL

addr16

Long subroutine call

3 byte/2 cycle

RET

Return from subroutine

1 byte/2 cycle

RETI

Return from interrupt

1 byte/2 cycle

AJMP

addr11

Absolute jump

2 byte/2 cycle

LJMP

addr16

Long jump

3 byte/2 cycle

SJMP

rel

Short jump (relative addr)

2 byte/2 cycle

JMP

@A+DPTR

Jump indirect relative to the DPTR

1 byte/2 cycle

rel

Jump if ACC is zero

2 byte/2 cycle

JNZ

rel

Jump if ACC is not zero

2 byte/2 cycle

CJNE

A, direct, rel

Compare direct byte to ACC, jump if not equal

3 byte/2 cycle

CJNE

A, #data, rel

Compare immediate to ACC, jump if not equal

3 byte/2 cycle

CJNE

Rn, #data, rel Compare immediate to register, jump if not equal

3 byte/2 cycle

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