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http://megadrive.org/~elbarto/tandberg.zip
All roms dumped.
PAL/GAL will follow soon.

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962058-1 is the bootrom, disassembly: http://pastebin.com/W3uG4H2f

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965268-1.bin is the char rom, (bitmap, 7 pixels wide)

(preview)

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Awesome! Thanks ElBarto. Looking forward to the PAL/GAL:s and an eventual emulation of this contraption. laugh

2 versions of the Tandberg Operating system is dumped and waiting to be run in Mess. wink

Last edited by JonasP; 07/04/11 08:43 AM.
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Finally got around to sorting out the dumps. The microsoft software is all dumped twice with matching reads (from different floppies where available), except for Cobol, where both floppies give hundreds of bad sectors...
also dumped a non-original floppy supposedly containing games.
I still have a pile of non-original floppies left, but not sure which ones are worthwhile to dump.
Anyway, I can upload the dumps somewhere if anyone's interested (maybe for a cp/m softlist)? smile

Good to see there's a skeleton Tandberg driver. I was wondering about this no-dump rom. Was there any problems with dumping it?

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Hi!

@elbarto
don't forget to dump the proms! (TBP28L22N)
they are needed too!

if your programmer doesn't support them, send them to me, i will dump them and return them to you!! i'm located in austria!




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Right now I'm moving to another town so it will be hard to dump them.
But I thought I've dumped all the roms, only PALS/GALS were missing ...

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in this archive (http://megadrive.org/~elbarto/tandberg.zip) are no dumps of the proms...

so maybe you have dumped all eproms...but please also be sure to dump the two proms!! they are labeled "TBP28L22N"....and they are more important than the GALs or PALs!

most modern programmers don't support proms! so if you can't dump them, just contact me! btw. i can dump the GALs an PALs too if needed!

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Originally Posted by JonasP
Anyway, I can upload the dumps somewhere if anyone's interested (maybe for a cp/m softlist)? smile

Something like Megaupload would work, PM me the link and I'll make a softlist for the Tandberg...

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I'm trying to tape some organs onto the tandberg driver; is any of the documentation for it scanned yet? I did find that the weird-ass vdc it uses (tms9937) is compatible with the SMC crt5037, whose datasheet can be found here: http://www.datasheetcatalog.org/datasheets2/59/590424_1.pdf
If this is truly the vdc that it uses, then we *NEED* those proms, since its quite possible to poke that type vdc to auto-load the display settings from a prom attached to it, asyncrhronous to cpu.
Sort of a neat feature.

LN


"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"
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