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- PSIONICS FILE - ENVVARS
- =======================
- Environment variables
- Last modified 1994-03-28
- ========================
-
- The following environment variables are known:
-
- "P$D": printer device: 1 byte:
- Offset 0 (byte):
- 48 = print device is a parallel port
- 49 = print device is a serial port
- 50 = print device is a file
-
- "P$S": serial port setup: 12 bytes:
- @Unknown, but includes fields called tbaud, rbaud, frame, parity, hand, xoff,
- xon, flags, tmask@
-
- "P$F": print to file name: up to 128 bytes:
- Offset 0 (cstr): last file used for printing to file
-
- "P$M": printer driver: up to 129 bytes:
- Offset 0 (byte): printer driver model number
- Offset 1 (cstr): printer driver library
- A printer driver library can support several similar printers; the model number
- specifies which is selected.
-