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Code Block
languagenone
titleSI_TMO (L = $18), set default timeout
IN:  BC = new value for default timeout
OUT: Fc = 0

Registers changed after return:
     A.BCDEHL/IXIY same
     .F....../.... different

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If you set the default to $FFFF then when the default is used (by setting a timeout value of $FFFF in get and put byte routines) then the system will wait forever. A soft reset sets the default timeout to 10 minutes. This timeout is completely independent of the system timeout, which is set by the Panel.

SI_PX

Code Block
titleSI_PX (L = $1E), put multiple bytes to serial port, using default timeout (SI_TMO)
IN:  
      BC = number of byte to write to serial port, maximum 16384, one bank
      DE = input
          DE = 0, input is a file/device opened with its handle in IX 
          DE > 0, input is memory at (DE)
      IX = file handle (if DE = 0)

Out if call succeeded:
      Fc = 0
      BC = remaining time (SI_TMO)
 
Out if call failed:
      Fc = 1
      A = RC_TIME, timeout elapsed
      A = RC_EOF, end of file reached
      A = RC_RP, input device is read protected
      BC = number of bytes not written

Registers changed after return:
      ......../IXIY same
      AFBCDEHL/.... different

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