It is pretty easy to write & alter your own raw postsctript files with GeoWrite and send them to your Postscript laser printer with any terminal program. Go to your local library and get a copy of one of the many Postscript language books available and dig in. I found the "Postscript Language Tutorial & Cookbook" by Adobe Systems to be very easy to understand. I modified one of the many "recipes" to print out text in an arc. It can be changed to print out anything you want.
All Postscript files must be true ASCII!! You can write them in GeoWrite & use Wrong is Write by Joe Buckley to convert them into ASCII. One tip is if you need to use the curvy type brackets in the program you type in use the C=/SHIFT + : or ;.
You need a Postscript printer connected via a RS232 interface through your user port.
After they are written and converted have your printer on and open a terminal program. The configuration for my Apple LaserWriter is 7 data bits, no parity, XON/XOFF, 1200 baud.
Enter the "Terminal" mode of your program; I use Desterm.
Enter a CNTRL/D, then a CNTRL/T. The printer should return a message that it is in idle state. Now just choose to upload a file in ASCII mode, and select your Postscript file.
That's it. In a minute your file is printed.
You can also enter Postscript code in "interactive" mode, directly to the printer a line at a time. To do this set up the terminal program as before and enter the CNTRL/D & CNTRL/T. Then type executive. In a moment the printer will respond with the version of Postscript it has resident and give you a PS> prompt. now you can enter Postscript a line at a time and it will process them as they are entered!
When you examine a Postscript file all the lines preceded by %% are comments only and are not part of the program itself. Postscript also ignores blank lines. BEWARE that a lot of the commands are case sensitive.
(.txt)