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309
Comparison Instructions
Section 3-7
Flags
Note
In CS1-H, CJ1-H, CJ1M, and CS1D (for Single-CPU System) CPU Units,
these Flags are left unchanged.
In CS1 and CJ1 CPU Units, these Flags are turned OFF.
Precautions
Do not program another instruction between CMPL(060) and an input condi-
tion that accesses the result of CMPL(060) because the other instruction
might change the status of the Arithmetic Flags.
Example
When CIO 000000 is ON in the following example, the eight-digit unsigned
binary data in CIO 0011 and CIO 0010 is compared to the eight-digit
unsigned binary data in CIO 0009 and CIO 0008 and the result is output to
the Arithmetic Flags. The results recorded in the Greater Than, Equals, and
Less Than Flags are immediately saved to CIO 000200 (Greater Than),
CIO 000201 (Equals), and CIO 000202 (Less Than).
CMPL
S1
S2
A
Incorrect Use of CMPL(060)
Instruction
B
Arithmetic Flag
(Example: Equals Flag)
Name
CX-Programmer
label
Programming
Console label
Operation
Error Flag
P_ER
ER
Unchanged (See note.)
Greater Than Flag
P_GT
>
ON if S
1
+1, S
1
> S
2
+1, S
2
.
OFF in all other cases.
Greater Than or Equal Flag
P_GE
> =
ON if S
1
+1, S
1
≥
S
2
+1, S
2
.
OFF in all other cases.
Equal Flag
P_EQ
=
ON if S
1
+1, S
1
= S
2
+1, S
2
.
OFF in all other cases.
Not Equal Flag
P_NE
<>
ON if S
1
+1, S
1
≠
S
2
+1, S
2
.
OFF in all other cases.
Less Than Flag
P_LT
<
ON if S
1
+1, S
1
< S
2
+1, S
2
.
OFF in all other cases.
Less Than or Equal Flag
P_LE
< =
ON if S
1
+1, S
1
≤
S
2
+1, S
2
.
OFF in all other cases.
Negative Flag
P_N
N
Unchanged (See note.)
Содержание SYSMAC CS1D-CPU**
Страница 3: ...iv...
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Страница 185: ...146 List of Instructions by Function Code Section 2 4...
Страница 193: ...154 3 35 4 MOVE BIT MOVBC 568 1274 3 35 5 BIT COUNTER BCNTC 621 1276 3 35 6 GET VARIABLE ID GETID 286 1278...
Страница 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Страница 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Страница 1391: ...1352 ASCII Code Table Appendix A...