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Re: SVN builds - new driver flood [Re: Anna Wu] #113516
06/02/18 02:59 PM
06/02/18 02:59 PM
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Posts: 16,007
USA
R
R. Belmont Offline
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R
Joined: Mar 2001
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Auto-cracking protected .WOZ images inside of MAME works:

[Linked Image]

And the resulting .DSK plays fine.

[Linked Image]

Re: SVN builds - new driver flood [Re: Anna Wu] #113517
06/02/18 05:08 PM
06/02/18 05:08 PM
Joined: May 2004
Posts: 856
Germany
D
Duke Offline
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Germany
Very cool!

Re: SVN builds - new driver flood [Re: Anna Wu] #113521
06/04/18 03:57 AM
06/04/18 03:57 AM
Joined: Jul 2011
Posts: 94
T
TSCHAK Offline
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Posts: 94
How wonderfully meta smile

-Thom

Re: SVN builds - new driver flood [Re: R. Belmont] #113615
06/27/18 09:58 PM
06/27/18 09:58 PM
Joined: May 2012
Posts: 470
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shattered Offline
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HP 95LX palmtop WIP

IA has partial developer guide http://web.archive.org/web/20071012040320/http://www.daniel-hertrich.de/download/95lx_devguide.zip and http://www.palmtoppaper.com/ptphtml/12/pt120055.htm plus http://cfile3.uf.tistory.com/attach/152BF03E50054B2925840F ("Explorer's Guide to the HP 95LX") plus ftp://netflora.demon.co.uk/main/TEXT/hp95lxfaq.txt give some hints about its HP F1000-80054 "Hopper" ASIC, much reverse engineering ahead smile

[Linked Image]
+
[Linked Image]

Re: SVN builds - new driver flood [Re: Anna Wu] #113639
06/30/18 03:21 PM
06/30/18 03:21 PM
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Posts: 16,007
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R. Belmont Offline
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Re: SVN builds - new driver flood [Re: Anna Wu] #113808
08/13/18 11:55 PM
08/13/18 11:55 PM
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R. Belmont Offline
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Main screen turn on. Cheers to Duke for pointing out that the HD61830 is compatible with the LC7981!

[Linked Image]

Re: SVN builds - new driver flood [Re: Anna Wu] #113845
08/26/18 02:23 AM
08/26/18 02:23 AM
Joined: Mar 2001
Posts: 16,007
USA
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R. Belmont Offline
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We're still far away from understanding how this thing is meant to work, but at least it passes POST now.

[Linked Image]

Re: SVN builds - new driver flood [Re: Anna Wu] #113846
08/26/18 01:27 PM
08/26/18 01:27 PM
Joined: May 2004
Posts: 1,515
H
Haze Offline
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unsurprisingly, looks a lot like 20pacgal Cosmodog did too

we never did manage to understand fully how the parent (flash based) 20pacgal set worked, the PCB for that revision lacked certain things that were present on the older ones

I never realised before close the Namco and Atari fonts were tho, it almost looks like one is a straight rip-off of the other, the way characters like the 8, 0 and Y are styled doesn't seem coincidental.


Re: SVN builds - new driver flood [Re: Anna Wu] #113926
09/11/18 10:13 AM
09/11/18 10:13 AM
Joined: Apr 2012
Posts: 217
UK
Pernod Offline
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Attended an Acorn BBC User Group (ABUG) gathering at the Centre for Computing History in Cambridge at the weekend. Amongst the Acorn items that we managed to archive were four Acorn Communicators, and all had different ROM sets.

The first is a very early example donated by Acorn co-founder Chris Curry. The serial ends in 004 and after adding to MAME turns out to be an evaluation prototype from 1985 (according to the not yet present Help option).
[Linked Image]
Another later prototype from 1986 runs the same MOS but a different selection of apps.
[Linked Image]
A later production model turned out to be the elusive Italian version.
[Linked Image]
There was also the Briefcase Communicator http://www.computinghistory.org.uk/det/1327/Acorn-Briefcase-Communicator/ on display, which we painstakingly disassembled. This ran the same MOS v1.00 set already in MAME, but also hiding in the briefcase was an expansion board containing another ROM and 8 'ASTRON Card Slots'. With the ROM present the machine reports MOS v1.70.
[Linked Image]

Last edited by Pernod; 09/11/18 10:25 AM.

BBC Model B, ATPL Sidewise, Acorn Speech, 2xWatford Floppy Drives, AMX Mouse, Viglen case, etc.
Re: SVN builds - new driver flood [Re: Anna Wu] #113927
09/11/18 10:42 AM
09/11/18 10:42 AM
Joined: Apr 2012
Posts: 217
UK
Pernod Offline
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Pernod  Offline
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Another find at the Centre for Computing History was an early Electron running a Trial version of it's OS.
[Linked Image]


BBC Model B, ATPL Sidewise, Acorn Speech, 2xWatford Floppy Drives, AMX Mouse, Viglen case, etc.
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