[private reply] In article <cahkuccx1zme_9yjtwbewee3d1v2fvaxg023ngh-eaugdtwx...@mail.gmail.com> you write: >On Mon, Jun 26, 2023 at 1:06 PM Steve Lewis via cctalk ><[email protected]> wrote: >> >> VCF SW was this past weekend near Dallas, Texas. >> >> Here are some highlights from my perspective. >> >> https://voidstar.blog/vcf-southwest-2023/ >> >> >> Most photos you can click to enlarge (Edge has bugs with WordPress, you >may >> need to scroll up/down a little bit to get the click thing working) > >I may be talking nonsense, but you describe the Tektronix 4054 as a >6800-based system. I thought the 4051 used that processor, but the >4052 and 4054 used a board of AM2900-series bitslice chips that >implement a processor with an instruction set similar to the 6800 but >with no BCD operations and some 16 bit extensions.
My understanding is that it was a strict superset of 6800 with some unused opcodes implemented fo faster math instructions. -- "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-pipeline> The Terminals Wiki <http://terminals-wiki.org> The Computer Graphics Museum <http://computergraphicsmuseum.org> Legalize Adulthood! (my blog) <http://legalizeadulthood.wordpress.com>
