VOGONS


Reply 20 of 405, by Solarstorm

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matze79 wrote:

Current Progress:

tandy_check.jpg

Now i'm Searching a way to reset attiny on System Reset.

I think you could use B2 on the ISA bus.
http://pinouts.ru/Slots/ISA_pinout.shtml

RESET
This signal goes low when the machine is powered up. Driving it low will force a system reset. This signal goes high to reset the system during powerup, low line-voltage or hardware reset. ??????????????

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Reply 21 of 405, by matze79

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Seems i only need a Inverter to Reset Pin of AVR 😀

just have very limited time.. i wish i could invest all time i have into my projects.. 😳

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 22 of 405, by Solarstorm

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As far as i understand you don't need an inverter.
Reset on B2 is low on running state and on bootup and reset it goes high.
And iirc ATTinys reset on high on the reset pin.
Edit:
Nope, i remembered wrong, you need an inverter.

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Reply 23 of 405, by matze79

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tandy card.jpg
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Now i can Mix in PC-Speaker 😀
But the adjustment range is too small.

Need to order few parts for testing, maybe i want to try another amp too.

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 24 of 405, by matze79

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https://www.youtube.com/watch?v=BleGjpxbdfc

Testing Might&Magic 3, PC-Speaker mixed in (still too loud 😀)

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 25 of 405, by CkRtech

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Nice work, matze79. Been following this one. Offering up some words of encouragement!

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Reply 26 of 405, by matze79

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Playing Maniac Manison Intro:

https://youtu.be/c4Go1RSKgpM

- Fixed Mixer problems.

Next, fixing Reset.

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 27 of 405, by Jo22

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Sounds good. 😀

"Time, it seems, doesn't flow. For some it's fast, for some it's slow.
In what to one race is no time at all, another race can rise and fall..." - The Minstrel

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Reply 28 of 405, by matze79

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I will order the first Prototyp PCBs soon 😀

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 29 of 405, by matze79

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Prototyp PCBs are ordered and hopefully will arrive withhin a few weeks.

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 30 of 405, by root42

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Awesome. I love these re-engineered cards. Please do post progress!

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Reply 31 of 405, by peklop

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Radovan from Slovakia re-eneneered Tandy and Adlib sound cards for PC/104 bus.
For me it is from outer space.

i hope i can repost his prototype picures from Oldkomp cs facebook group. If not, i will delete them.

32078662_10213966873598743_7976724128122011648_o (1).jpg
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Reply 32 of 405, by matze79

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After nearly 1 Year of work in rare free time i got now the first working PCB, with only one minor Fix in my hands:

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it worked out of the Box after soldering 😁

Now there is still Stuff todo,

- bracklet design (3D Printer is ready! 😁)
- Firmware improving of the MCU / seems feature isnt working properly on all Machines, remute LM386 on reset. (ISA Reset Signal)
- Writing proper muting utility,
- maybe dreamblaster/pdw will help with his tandy lpt tsr software by adding support for this card too, redirecting 2c0h to 0c0h for machines who can't support the lower adress.
(Pentium and higher ISA/PCI Bridge..)
- intense testing is required, so its time to play some Games 😁

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 34 of 405, by dreamblaster

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matze79 wrote:

- maybe dreamblaster/pdw will help with his tandy lpt tsr software by adding support for this card too, redirecting 2c0h to 0c0h for machines who can't support the lower adress.
(Pentium and higher ISA/PCI Bridge..)

Looks great !!!
Yeah, will try for TSR !

Last edited by dreamblaster on 2018-07-13, 19:26. Edited 1 time in total.

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL2LPT, OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
Special vogons LPT bundle : https://www.serdashop.com/Parallel-port-retro-sound-bundle
Thanks for your support !

Reply 37 of 405, by matze79

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Slot Cover finished.

https://dosreloaded.de - The German Retro DOS PC Community
https://www.retroianer.de - under constructing since ever

Co2 - for a endless Summer

Reply 38 of 405, by dreamblaster

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matze79 wrote:
DSC_0094.JPG
DSC_0078.JPG

Slot Cover finished.

wonderful !

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL2LPT, OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
Special vogons LPT bundle : https://www.serdashop.com/Parallel-port-retro-sound-bundle
Thanks for your support !

Reply 39 of 405, by Jo22

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Looks well done!

"Time, it seems, doesn't flow. For some it's fast, for some it's slow.
In what to one race is no time at all, another race can rise and fall..." - The Minstrel

//My video channel//