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Appendix B
Error and Arithmetic Flag Operation
567
Expansion Instructions (CPM2A/CPM2C and SRM1(-V2))
Instructions
25503 (ER)
25504 (CY)
25505 (GR)
25506 (EQ)
25507 (LE)
25402 (N)
Page
ASFT(17)
Unaffected
Unaffected
Tnaffected
Unaffected
Unaffected
410
RXD(47)
505
TXD(48)
507
CMPL(60)
436
INI(61)
Unaffected
Unaffected
Unaffected
Unaffected
399
PRV(62)
401
CTBL(63)
396
SPED(64)
489
PULS(65)
487
SCL(66)
Unaffected
421
BCNT(67)
499
BCMP(68)
Unaffected
434
STIM(69)
504
INT(89)
501
SRCH(––)
471
MAX(––)
472
MIN(––)
474
HMS(––)
Unaffected
454
NEG(––)*
455
SEC(––)
453
SUM(––)
478
FCS(––)
Unaffected
Unaffected
500
HEX(––)
Unaffected
451
AVG(––)
476
PID(––)
426
ZCP(––)
Unaffected
437
Note
*Depending on the results, NEG(––) may also affect the status of the underflow flag (SR 25405).
Expansion Instructions (CPM2A/CPM2C Only)
Instructions
25503 (ER)
25504 (CY)
25505 (GR)
25506 (EQ)
25507 (LE)
Page
PWM(––)
Unaffected
Unaffected
Unaffected
Unaffected
494
ZCPL(––)
438
ACC(––)
491
SCL2(––)
Unaffected
Unaffected
423
SCL3(––)
Unaffected
424
SYNC(––)
424