Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Don Lancaster Newsgroups: comp.lang.postscript Subject: Re: What language was the "original" Postscript interpreter written in? Date: Sat, 17 Nov 2012 08:48:30 -0700 Lines: 26 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net uUZBWUXLMOhKUporh4jo/w4aYKB+9KoHjs83EMGmLj3sDaQNvzgBbI9+f3FhIxFWDT Cancel-Lock: sha1:m4SfanDZRXUyfHwY1zbiCKQCg0w= User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 In-Reply-To: Xref: csiph.com comp.lang.postscript:1056 On 11/16/2012 5:03 PM, luser.droog wrote: > I know Helmar was implementing array-"operators" very early in his > interpreter so that as much as possible could be built on top of a simpler > core. And ghostscript's docs express a an interest in replacing c-level > operators with higher-level ps equivalents in a similar drive towards > portability. > > What is the subset of Postscript necessary to implement the rest of > Postscript using it? And what did Adobe use to create this core? M68000 > Assembly? Or did they use C? or some weird custom Alto tool? > > PostScript was largely based on the concepts of Forth. Third cousin, twice removed. -- Many thanks, Don Lancaster voice phone: (928)428-4073 Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552 rss: http://www.tinaja.com/whtnu.xml email: don@tinaja.com Please visit my GURU's LAIR web site at http://www.tinaja.com