Siemens C500 User Manual page 58

DJNZ Rn,rel
Operation: DJNZ
(PC) ¬ (PC) + 2
(Rn) ¬ (Rn) Ð 1
if (Rn) > 0 or (Rn) < 0
then (PC) ¬ (PC) + rel
Encoding: 1 1 0 1
Bytes: 2
Cycles: 2
DJNZ direct,rel
Operation: DJNZ
(PC) ¬ (PC) + 2
(direct) ¬ (direct) Ð 1
if (direct) > 0 or (direct) < 0
then (PC) ¬ (PC) + rel
Encoding: 1 1 0 1
Bytes: 3
Cycles: 2
Semiconductor Group
1 r r r rel. address
0 1 0 1 direct address
4-32
Instruction Set
C500 Family
rel. address
1998-04-01