3 Functions of Devices in DVP-PM
DVP-PM Application Manual
3-17
V0 ~ V7, Z0 ~ Z7, total 16 point
 Constant and some instructions do not support index registers. For how to use index register V, Z to modify the
operands, see Ch5, 5.4 section for more details.
 When you use index register V, Z to modify the operands, the modification range CANNOT exceed the area of
special purpose registers D1000 ~ D2999 and special auxiliary relays M1000 ~ M2999 in case errors may occur.
3.9 Pointer [N], Pointer [P
n
]
N For nested level structure N0 ~ N7, 8 points Control point of nested level
Pointer
P For CJ, CJN, JMP instructions P0 ~ P255, 256 points Position pointer of CJ, CJN, JMP
Pointer P: Used with API 00 CJ, API 256 CJN, and API 257 JMP. See Chapter 5 for explanations on CJ, CJN and
JMP instructions for more details.
CJ conditional jump:
X2
Y2
X1
P1CJ
X0
Y1
P**
0
N
P1
 When X0 = ON, the program will jump from address 0 to N
(Pointer P1) and keep on the execution. The instructions
between CJ instruction and P1 will be ignored.
 When X0 = OFF, the program will execute from address 0 and
keep on executing. In this case, CJ instruction will not be
executed.
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