Search found 416 matches
- Thu Sep 14, 2017 9:56 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
Taking the Dragon to new levels :-p
Yes, this is Level-2 running on a Dragon, to my knowledge for the first time since Bob Hall in 1989 piggy-backed extra 64K on his Dragon 64 and made his own MMU. And probably the first time on a Dragon 32 :) The MOOH board is the successor to the Spinx-512. Here is the PMAP command, showing running ...
- Thu Sep 14, 2017 7:46 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
Re: something new (quiz)
I admit you have to be far into OS-9/NitrOS-9 to spot anything new in that boot screen. Here is the banner page.
- Wed Sep 13, 2017 11:16 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
Re: something new (quiz)
You're good! Indeed it was a missing ASCII->6847 conversion. With all in upper case, and including the header since, yes, it is NitrOS-9
- Wed Sep 13, 2017 6:36 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
Re: something new (quiz)
Just a little hint to why it appears so cryptic 6847
- Tue Sep 12, 2017 11:06 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
Re: something new (quiz)
I hate to disappoint everyone but it is not a new, cool snake game... It was just luck and circumstances/side effects added some colourful dithering to the display. Here the cleaned, boring fixup. So it looks like some cryptic strings appearing...
- Sat Sep 09, 2017 10:40 pm
- Forum: Dragon General
- Topic: something new (quiz)
- Replies: 12
- Views: 11505
something new (quiz)
I am brewing on something new to display on this year's VCF. To stir your curiosity, I will progressively drop some screenshots...
The hissing of the summer lawns? Is that a smiling green python snake on green grass? Or can something else be hidden in wonderful 6847 scenery?- Thu Sep 07, 2017 9:29 pm
- Forum: Dragon General
- Topic: Vintage Computer Festival, Zurich, 19-20 November
- Replies: 8
- Views: 7331
Re: Vintage Computer Festival, Zurich, 19-20 November (2016)
Hello! I got silent here for a while, the organisation of the VCF last year took all my time, and after the event I was busy catching up with other stuff and lots of work. vcfech2016_IMGP1417_1024.JPG Anyway, the VCF was a blast! We had more than 1000 visitors, many nice exhibitions and we all had a...
- Fri Sep 16, 2016 10:36 pm
- Forum: Dragon General
- Topic: Nitr-OS9 vs OS-9
- Replies: 12
- Views: 10927
Re: Nitr-OS9 vs OS-9
If you start using gdb on it, you might find these macros useful: https://sourceforge.net/p/nitros9/code/ ... ts/os9.gdb
The most useful macro "os9_mwhere" requires source listings to be useful though. Which brings up a question:
Has anyone done any serious disassembly on Dragon OS-9?
The most useful macro "os9_mwhere" requires source listings to be useful though. Which brings up a question:
Has anyone done any serious disassembly on Dragon OS-9?
- Tue Sep 13, 2016 9:35 pm
- Forum: Dragon General
- Topic: Nitr-OS9 vs OS-9
- Replies: 12
- Views: 10927
Re: Nitr-OS9 vs OS-9
Yes, the bootloader ("BOOT" command or DWDOS etc) simply loads the "kernel track" into memory from $2600 onwards, and jumps to $2600. This kernel track is composed of REL which relocates the whole thing to upper memory ($EE00 for NitrOS-9), the first part of the kernel OS9, the second part OS9P2, IN...
- Mon Sep 12, 2016 10:54 pm
- Forum: Dragon General
- Topic: Nitr-OS9 vs OS-9
- Replies: 12
- Views: 10927
Re: Nitr-OS9 vs OS-9
Hi Mike, Interesting stuff! Yes, NitrOS-9 level1 has shared some development (actual modules) with level2 and although this has given level1 a lot "for free" it has also become more memory intensive. One could easily make jokes about level1, it has grown so many features and can now do everything......