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Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #114988
04/05/19 01:47 PM
04/05/19 01:47 PM
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R. Belmont Online content
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ColecoVision is in turn nearly MSX-1, so it's not too surprising there are other Coleco-alikes.

Re: Hanimex Pencil 2 - vdp interrupts [Re: plgDavid] #114989
04/05/19 02:03 PM
04/05/19 02:03 PM
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xavierm Offline OP
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Really good news!

This is a so rare machine that need to be in good hands πŸ‘

Unfortunately for the moment I never see any dump rom to play on it. Only 2 exists it seems.

That's why I'm learning z80 to make a little funny demo with sound or a little game.... If I have time 😊 it would be soooo exciting to see it running on a real hardware. After owning one, 33 years later it's time to release new roms for it 😁

Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #114990
04/05/19 02:12 PM
04/05/19 02:12 PM
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Haze Offline
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the MSX video was also common to the early Sega systems, with the SMS VDP even having compatible screen modes for backwards compatibility with SG-1000 software. (the MD version of the VDP drops that mode, so SMS titles using it won't run on an MD but that was mostly just bootleg conversions)

Seems like it was a popular video setup anyway.

Re: Hanimex Pencil 2 - vdp interrupts [Re: Haze] #114991
04/05/19 02:18 PM
04/05/19 02:18 PM
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Indeed. I have a cross emulation hardware setup based on this idea where my Coleco/MSX/SMS can plan games from various similar systems.

Last edited by plgDavid; 04/05/19 02:24 PM.
Re: Hanimex Pencil 2 - vdp interrupts [Re: Haze] #114992
04/05/19 02:24 PM
04/05/19 02:24 PM
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xavierm Offline OP
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To know how this machine should works I've looked at msx 1, SMS, colecovision, sg-1000, Adam.

At this time they share nearly the same hardware and even the port map with little differences.

The only big difference is for the bios. Entry points is not known for the pencil. For the moment I've identified only for shutting down the soundchip...it's a good start πŸ˜‰

Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #114993
04/05/19 03:07 PM
04/05/19 03:07 PM
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Robbbert Offline
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The original post said only 2 carts were made, but that isn't quite correct, as the box has pictures of many more carts and other software. I listed everything from the box in hash\pencil2.xml

With the unit I received 6 cassettes with demo programs. These have been extracted and are on my site which I'm sure you can find. There's a manual there too.

Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #114994
04/05/19 03:27 PM
04/05/19 03:27 PM
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plgDavid Offline
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I'm in touch with someone who has at least one undumped game, I might have to send them a dumping rig smile

Re: Hanimex Pencil 2 - vdp interrupts [Re: Robbbert] #115000
04/05/19 07:20 PM
04/05/19 07:20 PM
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xavierm Offline OP
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Originally Posted by Robbbert
The original post said only 2 carts were made, but that isn't quite correct, as the box has pictures of many more carts and other software. I listed everything from the box in hash\pencil2.xml

With the unit I received 6 cassettes with demo programs. These have been extracted and are on my site which I'm sure you can find. There's a manual there too.


You are wright for the tapes, i have found them in an old lost forum and archive them too 😊 But for the cartridges I've always heard about 2 only games and one cartridge for the sdbasic 2.0. Maybe sdbasic 1.0 exist but i' m not sure.

What is exciting is to learn that more things exist and can be fonctionnal. I just read the xml and I'm just so happy to see that there are well known games as on colecovision.

Hope that somebody could find them and archive them.

Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #115001
04/05/19 07:25 PM
04/05/19 07:25 PM
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xavierm Offline OP
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I've tested the last version with vdp interrupt. It works as mine.... But it's far more cleaner 😊 now I need to understand how interrupts work and why there is a reset.
I like to learn with failure, even more when it's for something that is nearly inexistant πŸ˜…

Great job and thanks a lot for improving this multi emulator. Without him I think that many many old computers would have been lost for ever. πŸ‘

Re: Hanimex Pencil 2 - vdp interrupts [Re: xavierm] #115002
04/06/19 01:03 AM
04/06/19 01:03 AM
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I remember an Atari age user named coleconut who had the only two games I have noticed (ladybug and treasure hunt I believe) as well as a coleco adaptor. Sadly it seems he didn’t manifest himself despite my PMs.

Another lead I had regarding the carts was the Canadian pc museum with mention of another game called big foot chase. Sadly seems I can’t contact them by phone. Furthermore the curator of the museum has passed away.

https://pcmuseum.ca/details.asp?id=19

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