13 September 2010, 20:03 | #61 |
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13 September 2010, 21:26 | #62 |
electricky.
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13 September 2010, 22:02 | #63 |
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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 |
13 September 2010, 22:44 | #64 |
electricky.
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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 |
13 September 2010, 22:54 | #65 |
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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 |
14 September 2010, 01:53 | #66 |
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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) |
14 September 2010, 07:07 | #67 |
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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? |
14 September 2010, 09:40 | #68 |
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Thanks Jens, I'll wait then.
Kamel |
14 September 2010, 09:53 | #69 |
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14 September 2010, 09:59 | #70 |
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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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14 September 2010, 10:03 | #71 |
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14 September 2010, 12:56 | #72 | |
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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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14 September 2010, 13:04 | #73 |
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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 (Blizzard's remapping for example only support standard 512k) |
14 September 2010, 15:26 | #74 |
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14 September 2010, 16:03 | #75 | ||
electricky.
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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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14 September 2010, 17:01 | #76 |
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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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14 September 2010, 18:01 | #77 |
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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. |
15 September 2010, 23:21 | #78 |
electricky.
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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 |
16 September 2010, 00:32 | #79 |
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Nice Jens.
Looks good, . My A600 cant wait for this, . |
16 September 2010, 00:40 | #80 |
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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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