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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Clock Instructions
2
CADD/CSUB
Operand Specifications
Flags
Function
CADD
CADD(730) adds the calendar data (words C through C+2) to the
time data (words T and T+1) and outputs the resulting calendar data
to R through R+2.
CSUB
CSUB(731) subtracts the time data (words T and T+1) from the cal-
endar data (words C through C+2) to and outputs the resulting calen-
dar data to R through R+2.
Area
Word addresses Indirect DM addresses
Constants CF
Pulse bits
TR bits
CIO WR HR AR T C DM @DM *DM
C
OK OK OK OK OK OK OK OK OK
---
--- --- ---T OK
R ---
Name Label Operation
Error Flag P_ER • ON if the calendar data in C through C+2 is not within the specified ranges.
• ON if the time data in T and T+1 is not within the specified ranges.
• OFF in all other cases.
Equal Flag P_EQ • ON when the result of a CSUB instruction is 0.
• OFF in all other cases.
C+1
C
C+2
T+1
T
R+1
R
R+2
+
15 7 08
15 7 08
15 7 0
8
Minutes Seconds
Da
y Hour
Year Month
Minutes Seconds
Minutes Seconds
Day Hour
Year Month
Hours
C+1
C
C+2
T+1
T
R+1
R
R+2
-
15 7 08
15 7 08
15 7 0
8
Minutes Seconds
Day Hour
Year Month
Minutes Seconds
Minutes Seconds
Day Hour
Year Month
Hours