found it! http://bitsavers.trailing-edge.com/bits/Tektronix/405x/cartridges/4052R12_Graphics_Enhancement_ROM_Pack/
thanks forever :) Monty On Thu, Jul 19, 2018 at 7:11 PM, Monty McGraw <mmcgra...@gmail.com> wrote: > Bob, > > Have you got a link? I looked at ftp://bitsavers.informatik. > uni-stuttgart.de/pdf/tektronix/405x/ and http://bitsavers.org/bits/ > Tektronix/405x/4052_firmware/ > and didn't see anything > > Monty > > On Thu, Jul 19, 2018 at 11:27 AM, Bob Rosenbloom via cctalk < > cctalk@classiccmp.org> wrote: > >> Al has the 4052R12 ROM dumps up on bitsavers. >> >> Bob >> >> >> On 7/15/2018 12:49 PM, Monty McGraw via cctalk wrote: >> >>> I have been recovering dozens of old Tektronix 4050 series tapes and >>> found >>> one with Fast Graphics software for the 4051. This software program >>> jumped >>> into 6800 assembly code and retrieved three bytes per vector from a tape >>> file. Apparently this tape is a duplicate - and it appears that all the >>> files bigger than 1KB have corrupt data. >>> >>> Apparently from the 4014 programmers guide - they had a set of demo >>> picture >>> files including a list with R2-D2. >>> >>> I have found Jos Dreesen's ftp tar file with some 4014 pictures - but I'm >>> looking for an R2-D2 picture file that is on the tape I have but corrupt. >>> >>> I also discovered that Tektronix made a 4052/4054 R12 Graphics >>> Enhancement >>> ROM pack which included the Fast Graphics program in ROM. I would love >>> to >>> find one of those ROM packs - hint/hint :) >>> >>> I did recover one of the shorter picture files of Snoopy - but since I >>> don't have a 4051, I can't run the Fast Graphics program on my 4052 or >>> 4054. One of my buddies threw a C program together to convert the data >>> file into Tek 4050 PRINT statements. >>> >>> I've posted the SNOOPY basic program and screenshots of running it on >>> vcfed >>> in a new thread: >>> http://www.vcfed.org/forum/showthread.php?64726-Tektronix-40 >>> 51-4052-4052A-4054-4054A-Program-Archives >>> >>> I'm also still looking for a 4051/4052 Display Board. Mike Haas posted >>> pictures here in Oct 2016 of lots of Tektronix boards including a Display >>> Board - but I don't have any direct contact info for him. >>> >>> Monty >>> >>> >> -- >> Vintage computers and electronics >> www.dvq.com >> www.tekmuseum.com >> www.decmuseum.org >> >> >