I was approached with the suggestion to port a TI99/4A core. I wonder if there is a vivid scene around that computer? I mean, it's an interesting architecture, a 16-bit processor@3MHz from the early 80s. I even found a demo, but are there notable games?
List of FPGA cores that could be ported to Chameleon hardware
- Jens
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Don't Panic. Please wash hands.
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I was approached with the suggestion to port a TI99/4A core. I wonder if there is a vivid scene around that computer? I mean, it's an interesting architecture, a 16-bit processor@3MHz from the early 80s. I even found a demo, but are there notable games?
Tombstone City and Parsec were kinda fun but it'd not be in my top ten wish list for new cores.
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AtariAge Forum topic about the best games of the TI99/4A platform:
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This has now caused to think about what would I really want to have next...
ZX Spectrum (yeah, it sounds like the port to V2 will happen one way or another, yay!)
Apple ][GS
Apple //e
ZX81
BBC Micro
Atari ST
Atari 400/800
Commodore 128
Anything from the Elektronika PDP clone line.
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Here's a list of existing FPGA cores of which I'm currently aware, which could potentially be ported to the Chameleon64 hardware. Most of these exist for competing hardware - some will be easy to port, some will be very difficult. The discussion about cores and porting was in danger of getting lost in the chatter in the "Ported to V2" thread, so I thought a list such as this would be helpful.
In the interests of avoiding duplicated effort, if anyone else is working on a core, especially porting to V2 hardware, it would be helpful to know, so that no-one else picks up the project. For this reason I've put my own initials by the projects either done by me, or on my "To Do" list.
If anyone knows of a project that should be added, or if anyone else is working on porting any of these please post below and I'll update the table.
Home Computers Ported to V1 Ported to V2 Effort required to port Adopted by Notes Acorn Archimedes moderate Will require an OSD / disk co-processor in the core, and an associated extra port into the SDRAM controller. Amiga (ECS) yes yes AMR Amiga (AGA) high Will require an OSD / disk co-pro + SDRAM port, FPGA nearly full Amstrad CPC Apple II+ Apple Macintosh Atari ST – MIST high Will require an OSD / disk co-pro + SDRAM port, FPGA nearly full Atari 800 yes yes
MW BBC Micro Commodore 16 Commodore 64 Built-in Built-in PW Commodore PET Commodore VIC-20 yes yes PW Mattel Aquarius Next186 IBM PC yes
very high Last time I looked, not easy to build on Altera FPGAs OneChipMSX yes yes moderate AMR There's a newer version upstream that will require more effort to port. Sam Coupe Sinclair QL TRS-80 Model I ZX Spectrum yes ZX80/ZX81 Consoles Atari 2600 yes yes PW Atari 5200 Bally Astrocade Colecovision Nintendo Game boy NES NEC PC Engine yes yes moderate AMR There's now a newer version that will require some effort to port. Sega Master System Sega Genesis / Megadrive yes Low / moderate AMR There's a newer version that will require more effort to port. Arcade Frogger Galaga Galaxian Moon Patrol yes yes
AMR Pacman yes yes
AMR Pengo yes yes
AMR Space Invaders Ghosts and Goblins high Will require an OSD / disk co-processor – published source difficult to build 1942 high Will require an OSD / disk co-processor – published source difficult to build 1943 high Will require an OSD / disk co-processor – published source difficult to build -
next186 is kindof ported, kludges are that it requires an sd card with a specific layout to load its bios from, some kind of bootloader would be required to load the bios from chameleon flashrom preferable, like the TC64 core does (download from opencores, the source for chameleon v2 is in a zip inside the download).
amstrad cpc shouldnt be terrible hard to port for the most part (it runs on the c-one) - however, it would need some kind of "Bridge" to implement CF-card (IDE) style access on the SD-card
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Hi!
I think there's a typo in the list, AFAIK BBC Micro was never ported to TC64v1... Or am I wrong?
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Hi!
I think there's a typo in the list, AFAIK BBC Micro was never ported to TC64v1... Or am I wrong?
I think you're right - it's my memory playing tricks on me. I think I was thinking of Mike Stirling's DE1 core.
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nope
you can copy the names from here, btw. The atari800 guy is working on v2 ... the speccy core unfortunately is not opensource, and the original author isnt interested in it anymore, however i do have a copy of the code and peter may look at it later (we are busy fixing the c64 core right now). -
Ghost Goblins arcade game for chameleon, wow ... wonderful
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Just to state the obvious: this list is not listing cores that already exist for the chameleon
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It will be a long time before we see on v2 arcade already available on v1 (Moon Patrol, Pengo etc) and other arcades like Ghosts and Goblins.?
Many thanks
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You'll have to ask the authors of the respective cores
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It will be a long time before we see on v2 arcade already available on v1 (Moon Patrol, Pengo etc) and other arcades like Ghosts and Goblins.?
Many thanks
To be clear, this is just a list of cores that could potentially be ported, with the rather optimisitic intention of tracking who's working on what, to avoid duplicating effort. It's not a promise that any of them will be ported!
Having said that, I do plan to port the PACE cores to the new hardware in the near future.
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great..
manythanks
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any way we can support you robinsonb5? I'll happily send a pint your way, Pengo is such a fantastic gem.
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any way we can support you robinsonb5? I'll happily send a pint your way, Pengo is such a fantastic gem.
Thanks for the thought - I'll look into setting up a virtual tip jar at some point.
In the meantime, Pacman is 95% working, and Pengo nearly works, so I should be able to release the arcade cores before too much longer. -
Pacman, Pengo and Moon Patrol are now available here: http://retroramblings.net/?p=1252
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awesome! thanks!
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