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Appendix CError and Arithmetic Flag Operation
451
Instructions Page25507 (LE)25506 (EQ)25505 (GR)25504 (CY)25503 (ER)
FPD(––) Unaffected Unaffected Unaffected 285
HEX(––) Unaffected Unaffected Unaffected Unaffected 195
HMS(66) Unaffected Unaffected Unaffected 184
INT(89) Unaffected Unaffected Unaffected Unaffected 262
LINE(63) Unaffected Unaffected Unaffected 200
LMSG(47) Unaffected Unaffected Unaffected Unaffected 279
MAX(––) Unaffected Unaffected Unaffected 233
MBS(––) 229
MBSL(––) 230
MCMP(19) 169
MIN(––) 234
MTR(––)
4
Unaffected Unaffected Unaffected Unaffected
313
NEG(––)
2
Unaffected Unaffected Unaffected
202
NEGL(––)
2
203
PID(––) 242
RXD(––) Unaffected Unaffected Unaffected Unaffected 297
SBBL(––)
2
Unaffected Unaffected Unaffected
227
SCAN(18) Unaffected Unaffected Unaffected Unaffected 276
SCL(––) Unaffected Unaffected Unaffected 198
SEC(65) 183
SRCH(––) 289
SUM(––) 237
TKY(––) Unaffected Unaffected Unaffected Unaffected 311
TTIM(87) 144
TXD(––) 299
XFRB(62) 168
XDMR(––) 290
ZCP(88) Unaffected 176
ZCPL(––) 177
Note 1. SR 25409 will be ON when 7SEG(––) is being executed.
2. ADBL(––), NEG(––), NEGL(––), and SBBL(––) also affect the signed binary arithmetic flags. Refer to
page 451 for details.
3. SR 25410 will be ON when DSW(––) is being executed.
4. SR 25408 will be ON when MTR(––) is being executed.
Signed Binary Arithmetic Flags
The following table shows the instructions that affect the OF and UF flags. In general, OF indicates that the result of
a 16-bit calculation is greater than 32,767 (7FFF) or the result of a 32-bit calculation is greater than 2,147,483,647
(7FFF FFFF). UF indicates that the result of a 16-bit calculation is less than –32,768 (8000) or the result of a 32-bit
calculation is less than –2,147,483,648 (8000 0000). Refer to
Section 5 Instruction Set
for details.
Vertical arrows in the table indicate the flags that are turned ON and OFF according to the result of the instruction.
Instructions not shown do not affect any of the flags in the table.
The OF and UF Flags are turned OFF when END(01) is executed, so their status cannot be monitored with a Pro-
gramming Console.