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Old 12 November 2015, 18:09   #1
Ridrok
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Join Date: Nov 2014
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A1200 Accelerators / Microbotics: M1230 XA emulation

Hello,

Since you try to emulate many many expansions, would it be possible to emulate another A1200 accelerator?

I own a A1200 which is 20 years old by still works very fine.
I have a Microbotics A1230 XA installed and functional with a 50Mhz 68030 and I added a 50Mhz 68882 when it was my main system in 1995. I also have a 32MB EDO-SIM stick 50ns plugged in.

So if you plan to emulate it, tell me what I can do to help. I am able to run any program on this A1200 if for example you need me to extract the ROM. This system has Kickstart 3.1 (I installed these ROM to have autoconfig memory) and Workbench 3.1 installed on a 4GB CF and is used from time to time by my children's to play old games like Nebulus, Pang and The Settlers using WHDLoad.

Side note and off-topic: Latest WHDLoad version does not work anymore on this real amiga, I need to open a ticket about this one day.

Regards,
Ridrok

Last edited by Ridrok; 12 November 2015 at 18:52.
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Old 13 November 2015, 17:47   #2
Toni Wilen
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Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
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This accelerator board does not need emulation, it has no boot ROM and most likely no autoconfig boards either. Emulating one or two io addresses to support included RAM speed program isn't good enough reason, at least not yet

RAM location may not be "standard" (if adding all RAM requires running some common) but most likely it uses usual 0x08000000 region if KS 3.1 was needed to autoconfigure it.

Configuring matching CPU and using "CPU slot RAM" should do it.

Only useful real world difference is CPU/RAM speed but it is not emulated (at least not yet).
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