• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

Recent content by mcpublic

  1. M

    Need LaserWriter II-NTX connector pinouts and "fake out" advice

    An UPDATE: One our members kindly sent me the schematics and it shows all the signals that connect to J18. He mentions kinda what I suspected, that if this logic board can't talk to the print controller, it reboots.
  2. M

    Need LaserWriter II-NTX connector pinouts and "fake out" advice

    I recently bought a LaserWriter II-NTX logic board (Apple P/N 630-0158 with 8-out-of-12 SIMMs populated) My crazy plan is to bring it up without the rest of the printer, so I can chat with the PostScript interpreter. The LaserWriter II Repair Manual spends almost no time on the logic board. (On...
  3. M

    Early LaserWriter ROM dumps

    I just read Crispin Goswell’s 1987 paper “An Implementstion of PostScript.” Besides the fact that I believe you intrinsically, this reminder of the complexity of the language itself and the graphics algorithms leads me to concur. My “monkey’s uncle” statement was an inference based on the vast...
  4. M

    Early LaserWriter ROM dumps

    Excellent. Let us know if-and-when you get around to disassembling them. If Adobe's first PostScript interpreter wasn't written in assembly language, "I'm a monkey's uncle."
  5. M

    Early LaserWriter ROM dumps

    The MAME community, already used to dumping arcade game ROMs has multiple LaserWriter ROMs in their collection: http://adb.arcadeitalia.net/dettaglio_mame.php?game_name=lwriterplus
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