- ...2024!
- xc8 7 days agoyes FFS @OPreply
- jgrahamc 7 days agoI have changed this to 2024 but please don't say things like FFS here. The OP made a small error that was easily corrected. No need for profanity.reply
- Can you please stop spamming this site? This has absolutely nothing to do with the topics discussed here.
- There's also a 1:1 replica of the Mac Plus mainboard by the same creator: https://github.com/max234252/MacPlus-Reloaded
DosFox posted his progress getting the board to work on Mastodon: https://appleinsider.com/articles/24/07/26/an-engineer-has-b...
Some of the parts for that board are a bit hard to find today. Amazingly, the components that are most difficult to find (at least here in Europe) are the angled 30-pin SIMM sockets…
(I also posted this on the related hackaday comment thread)
- Interesting... I found one (negligible) problem: The "Compiler sources and objects exported files in Lisa TEXT format from dc42 disk images made with AppleSauce" file (http://pascal.hansotten.com/uploads/lisa/Lisa%20Pascal%20sou...) seems to be an empty ZIP file (download size is 22 bytes).
Also, some stuff seems to be unimplemented in the compiler, e.g. the GlobalOptimize function, which is called from some locations in pas-MISC.TEXT.txt, does nothing:
PROCEDURE GlobalOptimize(VAR fstmt: pstmt; thisprocpn:pn); BEGIN {GlobalOptimize} END; {GlobalOptimize}- > seems to be an empty ZIP file
Same here. But the converted files are ok.
> some stuff seems to be unimplemented
As far as I understand, the provided files don't represent the latest compiler version. So maybe a later version had a better optimizer. But it's good to have the sources anyway, so I can use it to clarify language issues for my forthcoming Lisa Pascal compiler/transpiler.
- Not really surprised. Depending on what phase in the compilation process things called it may have been decided that an optimizer wasn’t worth the effort or too ambitious for the time budget.
- Small mistake in the article: "Incidentally both the Playstation 2 and the Sega Dreamcast utilize MIPS CPUs".
The Dreamcast uses a Hitachi SH-4 CPU instead of a MIPS CPU.
- A flashback to the good old times when OS X tried to be the best Unix workstation available and not just a bad copy of iOS… for me, 10.4 on PPC as well as 10.6 and 10.9 on x86 were the preferred versions. Good to see that pkgsrc still supports 10.4!
- The TT was severely underpowered as a UNIX machine when it came out (and not that inexpensive) - a Sun 3/60 had comparable features already in 1986 (I had a TT which I sold since I couldn’t get my hands on Atari System V and then got a 3/60 which I still own). By 1992, the second generation of RISC machines by Sun, DEC and others was on the market which significantly outperformed the 68030.
- A fascinating video about a perfect recreation of an original compact Mac case (using 3D printing) with modern internals running VMac mini - including adapters for original keyboards and mice and an auto eject floppy drive!
- I met John Grant in Cambridge about 10 years ago at some event, he's a really nice guy who can tell very interesting stories about the early microcomputer industry in Cambridge and his later hardware projects.
Another interesting thing – the CPU used in the Spectrum prototype shown in the linked article is a Z80A made by SGS-Ates (a predecessor of SGS-Thompson). I've never seen a Z80 made by them and had to look up the logo, but they started second-sourcing the Z80 in 1979 according to (sorry, page in German) https://www.homecomputermuseum.de/sammlung/detailansicht/com.../
Here's a link to the logo: https://www.elnec.com/en/support/ic-logos/manufacturer-descr...
- You can check out the source code of the OS and the 7/7 office applications, written in Pascal (and a bit of 68k assembler, of course) at the CHM: https://computerhistory.org/press-releases/chm-makes-apple-l.../
- And here is a tool to browse and navigate it: https://github.com/rochus-keller/LisaPascal
- More