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Appendix 3. PLC Development Environment using GPPQ
3.7 Differences From The M500 PLC Development Environment
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(2) Commands that the Format Differs from that of the GPPQ
"Commands used by inputting or outputting an accumulator (A0, A1)" in the conventional M500
Series did not have A0 or A1 designated in the command. However, in the C64 or GPPQ, the
format is changed so that the general word register can be designated without fixing by A0 or A1
input or output.
Format-changed commands are shown in "Table of format-changed command correspondence".
When some commands described in "Table of format-changed command correspondence" are
created with the GPPQ with the conventional command sign left as is, an error results and creation
cannot be carried out. Create the commands using the command sign after format-changed
described in the correspondence table.
Table of format-changed command correspondence
M500 command C64/GPPQ command
Classifi-
cation
Command
sign
Symbol
Command
sign
Symbol Remarks
ROR
⎯[ ROR n ]
ROR
⎯[ ROR D n ]
RCR
⎯[ RCR n ]
RCR
⎯[ RCR D n ]
DROR
⎯[ DROR n ]
DROR
⎯[DROR D n ]
Right
rotation
DRCR
⎯[ DRCR n ]
DRCR
⎯[ DRCR D n]
ROL
⎯[ ROL n ]
ROL
⎯[ ROL D n ]
RCL
⎯[ RCL n ]
RCL
⎯[ RCL D n ]
DROL
⎯[ DROL n ]
DROL
⎯[ DROL D n ]
Left
rotation
DRCL
⎯[ DRCL n ]
DRCL
⎯[ DRCL D n ]
∗1
Search SER
⎯[ SER S1 S2 n ]
SER
⎯[ SER S1 S2 D n ] ∗2
Quantity
of 1
SUM
⎯[ SUM S ]
SUM
⎯[ SUM S D ]
∗3
∗1 : D is the head No. of the rotation device (word 16-bit device)
∗2 : D is the head No. of the device that stores the search results (word bit device)
∗3 : D is the head No. of the device that stores the total No. of bits (word bit device)