193
2) Operands
Soft element header address of the clock data
(hour, minute, second)
Soft element header address of the clock data
(hour, minute, second)
3) Suitable soft components
*Notes: D includes D, HD; TD includes TD, HTD; CD includes CD, HCD, HSCD, HSD; DM
includes DM, DHM; DS includes DS, DHS. M includes M, HM, SM; S includes S, HS; T
includes T, HT; C includes C, HC.
Note: the correspondence of registers is fixed, that is, they are stored in order of hours,
minutes and seconds.
If the operation result is 0 hour, 0 minute, 0 second, SM20 will be set ON.
The operands S1, S2, and D each occupy three registers. Do not use them for other purposes.
Example 1:
<General condition>
Example 2:
《
Less than 0 seconds
》
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