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Function RTCMOSWrite

This function can write one byte of battery-backed CMOS RAM:

void RTCMOSWrite(BYTE Addr, BYTE Value);

Parameters

Addr

The byte offset with the CMOS RAM of the value to write.

Value

The value to write into the CMOS RAM.

RTCMOSWrite only works on systems equipped with an MC146818A Real-Time Clock or compatible device. The contents of the CMOS RAM area are valid only if it has been initialized by a BIOS or by the program itself.

Function RTCMOSRead

Function RTCMOSReadTime