Posted By
crock
on 2019-02-24
17:46:38
 |  New Release Of Diag264: V0.94beta
After a lot of prevaricating, I'm finally pushing a new semi-official release of Diag264 - v0.94 beta: http://www.inchocks.co.uk/commodore/Diag264
If you haven't come across it before, it's the C16/Plus/4 equivalent of the various Commodore produced diagnostic cartridges for the C64. There is both a kernal based version that you can directly replace your kernal ROM with, which give the lowest level of diagnosis a bit like the 64 dead test cartridges ,or you can use the low-ROM version which you can put on a cartridge or use in place of the Function-Low ROM in a Plus/4.
Since I released the first version in 2012, I've been regularly tweaking it and it's finally got enough extra functionality to be worth announcing. Since then it's got much better address bus testing, better RAM testing using a decent pseudo random number generator, TED latch testings, fixed numerous small bugs, and added the ability to better diagnose I/O port issues.
To get the most value, you would also need the loop-back plugs. I don't make these for sale, but various ebay sellers have sold them and there's full instructions on building your own in the documentation.
There is a download link at the top of the page where you can find the binaries for kernal/low-ROM and PAL/NTSC combinations. It doesn't matter so much whether you use the PAL or NTSC version as it will try and auto-detect from the installed kernal if you use the low-ROM version, and if you use the kernal version, you can force the video mode by holding down 'P' or 'N' as you power on. Otherwise full instructions are in the link.
0.94 is considered beta, so if there's any bugs or other feedback, please PM me or email the address in the document and I will try to help, time allowing.
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