Running Adobe’s 1991 PostScript Interpreter in the Browser
The HP C2089A “PostScript Cartridge Plus”, a 1991 add-on for the LaserJet II/III, adds PostScript Level 2 support through Adobe’s own reference interpreter (version 2010.118) on a 2 MB ROM.
PacificPage P·E PostScript Cartridge for HP LaserJet II/III
PostScript came to the desktop in 1985 with the Apple LaserWriter, and within a year or two several other companies had joined Adobe’s licensee list. HP was late — its own Adobe PostScript cartridge for the LaserJet II/III family didn’t ship until 1991.
PostScript Cartridge for HP LaserJet
We have recently dissected and dumped the Level 2 “Plus” version of HP’s PostScript cartridge series. This time, we will look at the earlier Level 1 “PostScript Cartridge”.
PostScript Cartridge Plus for HP LaserJet III
The HP LaserJet III laser printer from 1990 used the “Printer Command Language” PCL 5 by default, but could be upgraded with the “HP PostScript Cartridge Plus” cartridge, which contained 2 MB of ROM with Adobe’s PostScript Level 2 rasterizer. Let’s look at the ROM contents and some of its hidden gems.