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- FUNCTION Serial_Base_Addr(COM_Port : byte) : word;
- { DESCRIPTION:
- Base address for four serial ports.
- SAMPLE CALL:
- NW := Serial_Base_Addr(1);
- RETURNS:
- The base address for the specified serial port.
- NOTES:
- If the port is not used, then the returned value will be 0 (zero).
- The aceptable values for COM_Port are: 1,2,3 and 4. }
-
- BEGIN { Serial_Base_Addr }
- Serial_Base_Addr := MemW[$0000:$0400 + Pred(COM_Port) * 2];
- END; { Serial_Base_Addr }