vampire V2 - what should i be using it for...? - Page 10

kolla · 03 July 2017, 14:56

So how about 68k CPU on FPGA, and FPU emulator on one of the ARM cores?

meynaf · 03 July 2017, 15:21

Quote:

Originally Posted by ex68k

So, what about calling it a 68030 & 68882 & MMU?

You need two MMUs ?

Quote:

Originally Posted by ex68k

I always like this combination, because compilers know it.
If we make a bastard like '40 & 68882, you need to program in assembler again ...

Not a problem, I already program in assembler

Quote:

Originally Posted by kolla

So how about 68k CPU on FPGA, and FPU emulator on one of the ARM cores?

If it's about emulating, we might be better off by just using x86 jit...

Gorf · 03 July 2017, 15:37

Quote:

Originally Posted by meynaf

Yes i need a gazillion fpus

(But of course I meant 68040 + everything in 68882 that's not in 68040).

Than Haynies A30000 FPU board for 16x 68882 would be just right for you:

Gorf · 03 July 2017, 15:44

Quote:

Originally Posted by meynaf

You need two MMUs ?

a mmmumu!

ex68k · 03 July 2017, 16:15

Quote:

Originally Posted by meynaf

You need two MMUs ?

Caught me ;-)

ex68k · 03 July 2017, 16:17

Quote:

Originally Posted by meynaf

If it's about emulating, we might be better off by just using x86 jit...

Yikes

If it is for fun, there shouldn't be anything x86 in it ;-)

ex68k · 03 July 2017, 16:19

Quote:

Originally Posted by Gorf

Than Haynies A30000 FPU board for 16x 68882 would be just right for you:

Cool !!!
But I have a vector unit for an FPGA already ...

meynaf · 03 July 2017, 16:21

Quote:

Originally Posted by Gorf

Than Haynies A30000 FPU board for 16x 68882 would be just right for you:

Too late. I have a GPU now

Quote:

Originally Posted by ex68k

Yikes

If it is for fun, there shouldn't be anything x86 in it ;-)

ARM is about as much fun as x86...

ex68k · 03 July 2017, 16:28

Quote:

Originally Posted by meynaf

ARM is about as much fun as x86...

That's why I don't care about it, no emotion at all. Like to use it to deal with all mass storage and ethernet.

Everything else, CPU/FPU/MMU are in the FPGA, and that's where the fun is ;-)

kolla · 10 July 2017, 20:22

There is some amusing drama erupting over at apollo-core.com...

http://www.apollo-core.com/knowledge.php?b=5&note=7064

talybont · 10 July 2017, 21:14

Quote:

Originally Posted by kolla

There is some amusing drama erupting over at apollo-core.com...

http://www.apollo-core.com/knowledge.php?b=5&note=7064

MMU is the new FPU.

jediknight · 10 July 2017, 22:02

i think ill stick to my raspberry rpi3 its the ultimate amiga. and cheaper as well.

b0lt-thrower · 11 July 2017, 21:32

Great news about the advances on FPU development! I wonder what it's speed is like vs. the raw 68k speed of the Vampire CPU core itself.

Akira · 11 July 2017, 21:43

Quote:

Originally Posted by b0lt-thrower

Great news about the advances on FPU development! I wonder what it's speed is like vs. the raw 68k speed of the Vampire CPU core itself.

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Hiddenevil · 11 July 2017, 21:55

Quote:

Originally Posted by jediknight

i think ill stick to my raspberry rpi3 its the ultimate amiga. and cheaper as well.

Inclined to agree, pitched my pi3 next to a black edition vampire A600 last year and it was neck and neck.

Being affordable to everyone and not just a few is a major plus

jediknight · 11 July 2017, 22:03

Quote:

Originally Posted by Hiddenevil

Inclined to agree, pitched my pi3 next to a black edition vampire A600 last year and it was neck and neck.

Being affordable to everyone and not just a few is a major plus

yes and when new raspberry,s come out they git faster and faster so in the end will beat the vampire cool i love rpi3 its awesome.

every home should have some in they cool , ace at emulating all kinds of stuff.

b0lt-thrower · 11 July 2017, 22:08

Quote:

Originally Posted by Akira

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Jaw. On. Floor.

Wow, they've really got it tightened up.

Time for some Quake demos!

grond · 11 July 2017, 22:39

Um, the slow one is the Vampire. The good news is that there is a lot of room for improvement. E.g. in the version used for the video the ea-decoding is done by the emulation code despite the fact that the CPU puts the decoded ea into the exception stack frame.

b0lt-thrower · 12 July 2017, 02:19

Quote:

Originally Posted by grond

Um, the slow one is the Vampire. The good news is that there is a lot of room for improvement. E.g. in the version used for the video the ea-decoding is done by the emulation code despite the fact that the CPU puts the decoded ea into the exception stack frame.

Ahh, OK, see I thought it was a case of the first video being the earliest release of the SoftFPU and the second being a newer revision. My bad.

kolla · 13 July 2017, 16:20

Quote:

Originally Posted by Akira

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Why is the 3D anim scene right before that so different on the two?

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03 July 2017, 14:56	#181
kolla Registered User Join Date: Nov 2007 Location: Trondheim, Norway Posts: 1,447	So how about 68k CPU on FPGA, and FPU emulator on one of the ARM cores?

10 July 2017, 20:22	#190
kolla Registered User Join Date: Nov 2007 Location: Trondheim, Norway Posts: 1,447	There is some amusing drama erupting over at apollo-core.com... http://www.apollo-core.com/knowledge.php?b=5&note=7064

10 July 2017, 22:02	#192
jediknight Registered User Join Date: Feb 2016 Location: bolton Posts: 125	i think ill stick to my raspberry rpi3 its the ultimate amiga. and cheaper as well.

11 July 2017, 21:32	#193
b0lt-thrower Registered User Join Date: Jun 2010 Location: US Posts: 69	Great news about the advances on FPU development! I wonder what it's speed is like vs. the raw 68k speed of the Vampire CPU core itself.

11 July 2017, 22:39	#198
grond Registered User Join Date: Jun 2015 Location: Germany Posts: 460	Um, the slow one is the Vampire. The good news is that there is a lot of room for improvement. E.g. in the version used for the video the ea-decoding is done by the emulation code despite the fact that the CPU puts the decoded ea into the exception stack frame.

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