Best AGA implementation on FPGA?

[kolla]

Ah yes, I see now it simply has a 4 pin connector for RS232 and/or MIDI. I will simply just install a DB9 and a switch to flip between them.

[robinsonb5]

Originally Posted by kolla

Ah yes, I see now it simply has a 4 pin connector for RS232 and/or MIDI. I will simply just install a DB9 and a switch to flip between them.

You will also need an RS232 line driver (Max3232 or similar) - those pins are connected directly to the FPGA, so directly applying RS232 voltages will fry the FPGA. If you just want to connect it to a PC, however, you could use a USB serial/TTL adapter, as long as you pick one that uses 3.3V levels, not 5V levels.

[kolla]

Originally Posted by robinsonb5

You will also need an RS232 line driver (Max3232 or similar) - those pins are connected directly to the FPGA, so directly applying RS232 voltages will fry the FPGA. If you just want to connect it to a PC, however, you could use a USB serial/TTL adapter, as long as you pick one that uses 3.3V levels, not 5V levels.

Yes, of course, thanks for warning. Actually, for my needs it makes more sense to get a bluetooth adapter instead of a DB9 socket, and just do nullmodem over BT. I have done this with the minimig using an rs232/BT adapter, and one can get cheap BT adapters (controlled using AT commands) that I believe can be hooked up directly.

Hello,

With the last Amiga Core, Aga Games works well and Slam Tilt work fine !!
I maintain a compatibility list: http://amitarist.blogspot.fr/2015/04...a-whdload.html for Mist Board and FPGA Arcade

and you can see a video with Myst Game on Mist-Board: [ Show youtube player ]

[chaos]

There is a new release of minimig-mist AGA v1.1 for the MiST board available, grab it here:

http://somuch.guru/minimig/minimig-mist/

[cosmiq]

BIG THUMBS UP - Thank you so much!!
This one fixes lots of problems:

Had mouse issues with OCS on ATH150715 NON-AGA 512Kb 1.3ROM
- Battle Chess (cannot select piece)
- Adventures of Robin hood (cannot click on any icon)
- Strip Poker (mouse pointer travelled without moving mouse)

These are all fixed in this new version, and I will keep on testing roms in the next couple of days. Awesome!

Still have some issues with:
- Battle Squadron (TIC / Freestyle trainer) RMB for train mode doesn't work.
- Boulder Dash C64 (haven't had this one to work on any mist combi)

This nearly completes my list of ADF's that actually work flawelessly on the Mist, so again a big thanks Chaos for the upgrade!

*EDIT* For anyone who's interested, I'm keeping a list of all the disks I ever had, converted to ADF, and now transfered / testing on Mist:
https://docs.google.com/spreadsheets...=1&single=true

[desiv]

Originally Posted by cosmiq

- Strip Poker (mouse pointer travelled without moving mouse)

There are just SO many jokes there....

desiv

[cosmiq]

The moment I posted that.. well... too late now isn't it

hi, I have seen a lot of mist's benchs on youtube (sysinfo, aibb etc.) but no one (?) that plays with workbench config. I don't use a true amiga from at least 10 years and I would like to know if with mist for example a 640x512, 256 colors workbench is "usable"? or is it slow like on a real aga amiga? thank you and sorry for my poor english

[matthey]

Originally Posted by hitman72

hi, I have seen a lot of mist's benchs on youtube (sysinfo, aibb etc.) but no one (?) that plays with workbench config. I don't use a true amiga from at least 10 years and I would like to know if with mist for example a 640x512, 256 colors workbench is "usable"? or is it slow like on a real aga amiga? thank you and sorry for my poor english

Welcome to EAB. Both the Mist and FPGA Arcade should have better AGA performance than a real AGA Amiga. Chip memory is faster and the custom chips can be faster depending on the FPGA implementation and settings. The AGA implementation is very different between them so I would love to see some performance benchmarks of Mist AGA vs FPGA Arcade AGA vs AGA without fast memory vs AGA with fast memory using the same CPU and clock speed (probably based on stock 1200 with 68020@14MHz). Perhaps SysSpeed could be used for the tests?

thanks for reply matthey :-) simply I would like to see a video with someone using the workbench at 640x512 (or higher aga resolution, 1440x580? I don't remember) with 256 colors and open, close and move windows/folders, see how much time needs for displayng some icons after a folder is opened, opening and show a jpeg. just a normal workbench use. after 20 years I am trying to convert some om my stupid and shareware games to android, but if mist is usable with a decent resolution (I cant' able anymore to use a compiler editor at 640x256 after so many years on winzoz), maybe I can buy it (no money to buy a real amiga with at least a 68030 and 16mb of ram) and try to code something. ciao and thank you again :-)

[matthey]

Originally Posted by hitman72

thanks for reply matthey :-) simply I would like to see a video with someone using the workbench at 640x512 (or higher aga resolution, 1440x580? I don't remember) with 256 colors and open, close and move windows/folders, see how much time needs for displayng some icons after a folder is opened, opening and show a jpeg. just a normal workbench use. after 20 years I am trying to convert some om my stupid and shareware games to android, but if mist is usable with a decent resolution (I cant' able anymore to use a compiler editor at 640x256 after so many years on winzoz), maybe I can buy it (no money to buy a real amiga with at least a 68030 and 16mb of ram) and try to code something. ciao and thank you again :-)

The following video shows Mist AGA moving some lower depth windows around and SysInfo says the chipmem is 8.30 times an A600.

[ Show youtube player ]

The disk performance is slow (speed tests shown in video) so loading icons in Workbench is not particularly fast but the AGA is fast. Using Peter K's icon.library and ThoR's new layers.library should provide a large speedup as well.

The FPGA Arcade shows how fast the FPGA gfx can be with a faster CPU and faster disk (using 68060 expansion board). It gives 27.00 chip speed vs A600 in SysInfo. The following video is several years old by the way.

[ Show youtube player ]

The graphics may be a new chunky RTG graphics mode but the FPGA is handling all the graphics and Amiga custom chips. A 68060@100MHz helps performance a little too .

"New" video [ Show youtube player ]

at minute 4.40, even if the resolution is "only" 724x239 and 256 colors, workbench seems quite fast

[matthey]

Originally Posted by hitman72

"New" video [ Show youtube player ]

at minute 4.40, even if the resolution is "only" 724x239 and 256 colors, workbench seems quite fast

I didn't see that video but I skipped over presentations that looked like they would be mostly for games. Fast is relative and just about everything is fast compared to AGA. My Mediator setup with Voodoo 4 I calculated to be over 100 times faster on average using P96Speed with 640x480 in 256 colors. It is amazing that C= never tried to speed up chip memory or the custom chips. The Boxer was finally going to have 10% faster chip memory. Modern memory has enough bandwidth that the custom chips and CPU can access chip memory at full speed without sharing slots (no slow down).

[JimDrew]

Just a little update.... we got RTG support working today with the FPGA Replay's Amiga core. I am running the Picasso96 software with a 1024x768 workbench screen in 16 bit mode at the moment. Hardware sprite for the mouse pointer works perfectly. Automatic screen switching works as well. Adding blitter support shortly! Stay tuned...

[eXeler0]

Originally Posted by JimDrew

Just a little update.... we got RTG support working today with the FPGA Replay's Amiga core. I am running the Picasso96 software with a 1024x768 workbench screen in 16 bit mode at the moment. Hardware sprite for the mouse pointer works perfectly. Automatic screen switching works as well. Adding blitter support shortly! Stay tuned...

Cool, what "graphics core" was implemented? 1024 x 768 @16 bit is about 1,5MB in chunky mode. How much graphics mem do you have for RTG?

[JimDrew]

We have any amount we like. Right now, it's set for 8MB. The driver is setup for 8/16/32 bit modes, but it really should be changed to 8/16/24 bit modes because 32 bits is a waste of memory for what you get. 1024x768 in 32 bit mode does look nice. I will make 1920x1280 and other modes tomorrow.

The monitor file (driver) uses the Picasso96 RTG system.

[huepper]

Really cool, will this core also run on MiST FPGA Board ?

[eXeler0]

Originally Posted by huepper

Really cool, will this core also run on MiST FPGA Board ?

More info on MIST vs FPGA Replay
http://eab.abime.net/showthread.php?t=70689

While im sure its theoretically possible to have the code running on the different FPGA's (altera cyclone vs Xilinx) there are likely compatibility issues alongside other hardware differences.
Also, not sure if you can still refer to it as "one core". There are many parts in there working in tandem. ("68020 core", "aga-core", other I/O stuff, RTG etc..)

Do you own MIST hardware and wonder if you could simply "flash" it with FPGA arcade code? In that case, Im pretty sure the answer is "no". ;-)

[jbenam]

IIRC the FPGA Arcade is closed source, so I wouldn't expect them to make their cores available to other FPGA boards.