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Author Topic: FPGA Replay Board  (Read 824268 times)

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Offline Johan Samuelsson

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Re: FPGA Replay Board
« Reply #2294 from previous page: February 03, 2013, 06:56:19 PM »
would one of those usb to parport adapters work?
the stack used is poseidon, right?

the poseidon site has the following info on parport adapters:

Printers    All printers can be interfaced through an usbparallel.device, specific printer drivers available from third parties    printer.class (included)

has anyone tried this with a sampler?
« Last Edit: February 03, 2013, 06:58:35 PM by spotUP »
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Offline mongo

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Re: FPGA Replay Board
« Reply #2295 on: February 03, 2013, 07:12:33 PM »
Quote from: spotUP;725197
would one of those usb to parport adapters work?

No.
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Offline Lord Aga

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Re: FPGA Replay Board
« Reply #2296 on: February 03, 2013, 07:47:14 PM »
Quote from: yaqube;725189
what kind of stuff do you want to see? Just tell us and we will see what we can do.

AB3D II The Killing Grounds !!! :)
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Offline Johan Samuelsson

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Re: FPGA Replay Board
« Reply #2297 on: February 03, 2013, 07:55:47 PM »
mongo: ouch. shame. :/
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Offline wawrzon

Re: FPGA Replay Board
« Reply #2298 on: February 03, 2013, 08:26:40 PM »
Quote from: Lord Aga;725205
AB3D II The Killing Grounds !!! :)
yes, this would be certainly an interesting testcase.
and sysspeed instead of sysinfo.
« Last Edit: February 03, 2013, 08:29:13 PM by wawrzon »
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Offline freqmax

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Re: FPGA Replay Board
« Reply #2299 on: February 04, 2013, 01:54:54 AM »
Why is "AB3D II The Killing Grounds" such a good testing software? ;)
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Offline ChaosLord

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Re: FPGA Replay Board
« Reply #2300 on: February 04, 2013, 02:19:39 AM »
Could someone please please run bustest on FCGA Replay and post the results?

This is the single best testing proggy for Amiga:
http://aminet.net/package/util/moni/bustest

It produces results in plain text format.

You must state the screenmode that you were displaying when running the test.

I would like to see the results when running bustest in 640x512x256 color mode.  This will clearly show me how much faster a Replay is over a real Amiga.

Move.l FTW!

Thanx!
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Offline wawrzon

Re: FPGA Replay Board
« Reply #2301 on: February 04, 2013, 09:25:48 AM »
Quote from: freqmax;725258
Why is "AB3D II The Killing Grounds" such a good testing software? ;)

it never ran on full speed.
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Offline Faranheit

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Re: FPGA Replay Board
« Reply #2302 on: February 04, 2013, 10:06:31 AM »
@ChaosLord:

Result of BusTest on the FPGA Arcade base board with original firmware (not the new one) :
Commande 'BusTest fast chip rom'
BusSpeedTest 0.19 (mlelstv)   Buffer:     262144 Bytes, Alignment: 32768
========================================================================
memtype   addr       op         cycle     calib         bandwidth
fast      $01138000  readw     350.6 ns   normal       5.7 * 10^6 byte/s
fast      $01138000  readl     523.8 ns   normal       7.6 * 10^6 byte/s
fast      $01138000  readm     421.8 ns   normal       9.5 * 10^6 byte/s
fast      $01138000  writew    350.4 ns   normal       5.7 * 10^6 byte/s
fast      $01138000  writel    520.4 ns   normal       7.7 * 10^6 byte/s
fast      $01138000  writem    424.7 ns   normal       9.4 * 10^6 byte/s
chip      $000B8000  readw     350.6 ns   normal       5.7 * 10^6 byte/s
chip      $000B8000  readl     524.1 ns   normal       7.6 * 10^6 byte/s
chip      $000B8000  readm     421.8 ns   normal       9.5 * 10^6 byte/s
chip      $000B8000  writew    350.1 ns   normal       5.7 * 10^6 byte/s
chip      $000B8000  writel    520.7 ns   normal       7.7 * 10^6 byte/s
chip      $000B8000  writem    424.7 ns   normal       9.4 * 10^6 byte/s
rom       $00F80000  readw     350.3 ns   normal       5.7 * 10^6 byte/s
rom       $00F80000  readl     524.1 ns   normal       7.6 * 10^6 byte/s
rom       $00F80000  readm     421.7 ns   normal       9.5 * 10^6 byte/s

Workbench 3.1 and PAL HiRes Interlaced 640x512 256 Colors installed on a 999MB HDF File used for test.

Kickstart 3.1 and Chipset AGA, 68020 at 50MHz, 2MB Chip and 59MB Fast ram, 4 floppy drives activated.

For Alien Breed 3D 2 aga, it's playable at 50MHz speed (like on a real 030/25MHz Amiga), it's smooth at 99MHz.

Thanks, Faranheit
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Offline Lord Aga

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Re: FPGA Replay Board
« Reply #2303 on: February 04, 2013, 11:49:04 AM »
Quote from: freqmax;725258
Why is "AB3D II The Killing Grounds" such a good testing software? ;)


It's the slowest thing I have ever seen on my Amiga :)
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Offline mikej

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Re: FPGA Replay Board
« Reply #2304 on: February 04, 2013, 11:50:49 AM »
Quote from: Faranheit;725286
@ChaosLord:

Result of BusTest on the FPGA Arcade base board with original firmware (not the new one) :
Commande 'BusTest fast chip rom'
BusSpeedTest 0.19 (mlelstv)   Buffer:     262144 Bytes, Alignment: 32768
========================================================================
memtype   addr       op         cycle     calib         bandwidth
fast      $01138000  readw     350.6 ns   normal       5.7 * 10^6 byte/s
fast      $01138000  readl     523.8 ns   normal       7.6 * 10^6 byte/s
fast      $01138000  readm     421.8 ns   normal       9.5 * 10^6 byte/s
fast      $01138000  writew    350.4 ns   normal       5.7 * 10^6 byte/s
fast      $01138000  writel    520.4 ns   normal       7.7 * 10^6 byte/s
fast      $01138000  writem    424.7 ns   normal       9.4 * 10^6 byte/s
chip      $000B8000  readw     350.6 ns   normal       5.7 * 10^6 byte/s
chip      $000B8000  readl     524.1 ns   normal       7.6 * 10^6 byte/s
chip      $000B8000  readm     421.8 ns   normal       9.5 * 10^6 byte/s
chip      $000B8000  writew    350.1 ns   normal       5.7 * 10^6 byte/s
chip      $000B8000  writel    520.7 ns   normal       7.7 * 10^6 byte/s
chip      $000B8000  writem    424.7 ns   normal       9.4 * 10^6 byte/s
rom       $00F80000  readw     350.3 ns   normal       5.7 * 10^6 byte/s
rom       $00F80000  readl     524.1 ns   normal       7.6 * 10^6 byte/s
rom       $00F80000  readm     421.7 ns   normal       9.5 * 10^6 byte/s

Workbench 3.1 and PAL HiRes Interlaced 640x512 256 Colors installed on a 999MB HDF File used for test.

Kickstart 3.1 and Chipset AGA, 68020 at 50MHz, 2MB Chip and 59MB Fast ram, 4 floppy drives activated.

For Alien Breed 3D 2 aga, it's playable at 50MHz speed (like on a real 030/25MHz Amiga), it's smooth at 99MHz.

Thanks, Faranheit


The old core does not have cache/pre-fetch running as is not using the dedicated memory channel for RTG. It will be slow ....
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Offline Hattig

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Re: FPGA Replay Board
« Reply #2305 on: February 04, 2013, 12:44:43 PM »
Quote from: mikej;725290
The old core does not have cache/pre-fetch running as is not using the dedicated memory channel for RTG. It will be slow ....


I'm looking forward to reading about all the new features in the new core, once it is available. Dedicated memory channel for RTG, for example.
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Offline freqmax

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Re: FPGA Replay Board
« Reply #2306 on: February 04, 2013, 02:00:33 PM »
There's only only one memory channel physically asfair? and the other possible one is CPU<->fastmem on daughterboard. Provided you have a physical CPU inserted.
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Offline ChaosLord

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Re: FPGA Replay Board
« Reply #2307 on: February 04, 2013, 03:58:36 PM »
Quote from: mikej;725290
The old core does not have cache/pre-fetch running as is not using the dedicated memory channel for RTG. It will be slow ....


Could you cook up a version of the core that had more bandwidth for the chipram?

Lots of games use the CPU for blitting since 1990 and they need faster chipram speed.

For example if all the orginal 64MB was used as chipram and ALL the 28MB/sec of bandwidth went for that then it would be really kewl!  Plenty of ppl would like that.  Maybe this would only work when using the Daughterboard.

It could be the "AGA Optimized" core that ppl could use when playing AGA games.

The "RTG Core" (with the dedicated RTG memory channel)  could be the normal core that ppl use as default.
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Offline freqmax

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Re: FPGA Replay Board
« Reply #2308 on: February 04, 2013, 04:20:56 PM »
I think the basic problem is that CPU + custom chips share the same memory interface. And the screen updates need a constant amount of bit per second.
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Offline pampers

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Re: FPGA Replay Board
« Reply #2309 on: February 04, 2013, 04:46:22 PM »
Quote from: Lord Aga;725205
AB3D II The Killing Grounds !!! :)

Maybe some NovaCoder's stuff like his Quake I or Quake II port for AGA.
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