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| SAB80515 Datasheet, PDF (159/270 Pages) Siemens Semiconductor Group – 8-Bit Single-Chip Microcontroller Family | |||
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Instruction Set
DJNZ Rn,rel
Operation:
DJNZ
(PC) â (PC) + 2
(Rn) â (Rn) â 1
if (Rn) > 0 or (Rn) < 0
then (PC) â (PC) + rel
Encoding:
Bytes:
Cycles:
1101 1rrr
2
2
DJNZ direct,rel
Operation:
DJNZ
(PC) â (PC) + 2
(direct) â (direct) â 1
if (direct) > 0 or (direct) < 0
then (PC) â (PC) + rel
rel. address
Encoding:
Bytes:
Cycles:
1101 0101
3
2
direct address
rel. address
Semiconductor Group
159
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