Knowledge Base

CPU: Miscellaneous resources (D>=16)

The instruction

SPxPoll1        1,!CPU

will return a single byte in U0 that indicates various things:

BitSignifies
0RTC hardware present (D>=16)
1Unused
2Unused
3Unused
4Unused
5Unused
6Unused
7Unused

Note: Not all bits are relevant to all products and/or dialects.