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#61 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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#62 |
electricky.
Join Date: Jun 2010
Location: out in the wild
Posts: 1,256
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#63 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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Jens,
I'm sorry to be a bit off topic, but minimig is there, Commodore one do have the minimig core, arcade gaming (http://www.arcaderetrogaming.com/) do already emulate the 64 and soon the 2600 and the Amiga all are based on HRM. So what happened to the Clone-A ? I know that part of it is already used in Indivision products but I'm more interested in hardware emulated Amiga at the Hardware level. Thanks Kamel |
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#64 |
electricky.
Join Date: Jun 2010
Location: out in the wild
Posts: 1,256
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It's done when it's done - and it's worth waiting for. And don't mention that el-cheapo-device emulating a C64 (which is actually totally overpriced) if everybody knows that Chameleon is on the way - with lots more features.
Jens |
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#65 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,460
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??? Never knew there was anything out. I still use my adapted Rock Lobster Joystick (cost £5 in an Argos sale).
Interesting stuff http://www.vesalia.de/e_chameleon.htm http://www.syntiac.com/chameleon.html |
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#66 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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@Alexh
They do make 2.5" SCSI hard disks - these are not cheap however Of course a scsi with 32bit DMA would be prefered - even an 030 should be able to do about 6MB persec with little CPU load! But as you mentioned sourcing compatible 5v chips would be difficult - combine that with implementing them on the PCB would increase the complexity of the Board - perhaps way to much or even force a 6 layer instead of 4 layer - which in turn can almost double the cost =( By far a better idea would be too look at an IDE off load engine ? somthing like an intergrated chipset - but again find a 5volt tollerant component - and yet you still increase the complexity several fold - a true pitty @Jens its good to see the bench mark of the 030@28 - of over 6.5MIPs for 28Mhz great stuff indeed!!! I look forward to seeing the 030@50 tests I am suspecting about 11 MIPs - a clear 2 MIP's (18% faster than a 50MHz Blizzard) ![]() |
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#67 |
Banned
Join Date: Apr 2009
Location: France
Posts: 478
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Jens
yes...your design seems fast good work this is my sysinfo result TRA1200 020/28mhz btw, how about to insert a gfx card in the turboboard? or a scandoubler? |
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#68 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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Thanks Jens, I'll wait then.
Kamel |
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#69 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,460
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#70 |
Registered User
Join Date: Sep 2005
Location: Peterborough
Age: 47
Posts: 855
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Please excuse the weak question but I need to know... would these cards just be a straight "plug it into the explansion slot on the bottom of the 1200" or is there additional work required? Does it need venting in some way?
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#71 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,460
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#72 | |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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Quote:
However they still make SCA80 2.5" SCSI drives - to buy one new would be insane - but you can pick 2nd user up for about £1.22 per GB (36.1GB = £44) - on eBay - SCA80 can be converted (very cheaply) to Narrow 50pin SCSI with a $2 adapter However as far as I am aware they never produced a Narrow SCSI drive in 2.5" format - as you know they moved to SAS a while back (blame apple) and the SCA 80 (wide scsi) will eventually stopped... But the truth is that its all swings and round abouts - the price you pay for a SCA80 2.5" drive you could invest in a SCSI-PATA-IDE / SCSI-SATA-IDE bridge and plumb any el-cheapo 2.5" PATA/SATA hard disk with next to no performance loss on an Amiga. |
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#73 |
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 49
Posts: 26,567
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Modern IDE DMA controller would be cheaper and faster than any old Amiga SCSI-2 controller..
Does it support ROM remapping without MMU? If yes, it should support >512K ROMs too ![]() |
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#74 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,460
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#75 | ||
electricky.
Join Date: Jun 2010
Location: out in the wild
Posts: 1,256
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Quote:
Quote:
A few weeks ago, a question about a 1M-Kickstart came up on a1k.org, and we found that Blizzard cards don't even show the $e0-mirror of the $f8-kickstart. However, this is where I'd expect the other half of the kickstart to be, as it's easy to build in the 42-pin sockets of the A1200. My board shows that mirror, and when I'm done with my Maprom-function, I'll surely make a second activation-bit for an $e0-maprom. Jens |
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#76 |
Zone Friend
Join Date: Jul 2005
Location: Toronto, Canada
Posts: 734
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If there is going to be development for the amiga would I be sble to suggest an accelerator for the A500 either an 030 or 040 plugging into the side r better yet over the 68000 socket. Have it with an ide port and clock port as well as 32 or 64 megs and designed in a way that would not conflict with the indivision ecs.
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#77 |
Air supremacy
Join Date: Aug 2008
Location: Rijeka Croatia
Age: 49
Posts: 123
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+1 more for that idea. Sideport is simply waiting for such a device(s).
For instance, something like GVP A530 successor. |
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#78 |
electricky.
Join Date: Jun 2010
Location: out in the wild
Posts: 1,256
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Porting the SD-Ram controller was faster than expected. First performance results from the A600 board! Will do memory autoconfig sometime tomorrow.
I've used a 68030 with MMU for these photos. Before that, I had an EC030 isntalled, and for the very first time, it was a "real" EC030, meaning that "CPU fastrom" was executed and MMU shown in Sysinfo as "in use", but the rom speed in bustest remained the same. I remember rumors about EC030's being re-labelled by Motorola, and in reality, they still have an MMU. Seems like this myth is busted ;-) Jens |
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#79 |
PSPUAE DEV
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Nice Jens.
Looks good, ![]() ![]() |
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#80 |
Amiga Fanatic
Join Date: Apr 2008
Location: Phoenix, Arizona, USA
Age: 53
Posts: 180
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Jens, If you can actually get these produced, you'll make a ton of ppl happy.... and I'm pretty sure I'd buy one of the 1200 accels.
![]() The 1200 in my bedroom is my only miggy without an accel. It's high time that machine got some love... ![]() Pls, keep us posted.... ![]() |
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