SAB80515 Datasheet, PDF (213/270 Pages) Siemens Semiconductor Group – 8-Bit Single-Chip Microcontroller Family

Instruction Set
Instruction Set Summary (cont’d)
Mnemonic
Description
Program and Machine Control (cont’d)
CJNE
CJNE
CJNE
DJNZ
DJNZ
NOP
A,#data,rel
Rn,#data rel
@Ri,#data,rel
Rn,rel
direct,rel
Compare immediate to A and jump if not equal
Compare immed. to reg. and jump if not equal
Compare immed. to ind. and jump if not equal
Decrement register and jump if not zero
Decrement direct byte and jump if not zero
No operation
Byte Cycle
3
2
3
2
3
2
2
2
3
2
1
1
Semiconductor Group
213