060 emulation

24 October 2008, 23:07

I read somwhere (I don´t remember where) that WinUAE only emulates the 060 CPU and FPU but with Scout it shows a 060 MMU. Is this for real or is it a bug of Scout?

I have a 040 environment but I want to change for 060 (some apps and demos require it) and when I set 060 CPU option Scout shows the MMU.

I ask this because if it is true that it emulates the full 060 (CPU, FPU and MMU) I want to make a new environment with all the 060 stuff.

Thanks in advance

Toni Wilen · 25 October 2008, 12:00

Quote:

Originally Posted by yonavego

I read somwhere (I don´t remember where) that WinUAE only emulates the 060 CPU and FPU but with Scout it shows a 060 MMU. Is this for real or is it a bug of Scout?

I ask this because if it is true that it emulates the full 060 (CPU, FPU and MMU) I want to make a new environment with all the 060 stuff.

It does not have real MMU but it has to have "fake" MMU because 99% of 68060 accelerators use "full" 68060. (same with 68040)

There are 3 68060 versions:
- "full" 68060 (FPU + MMU)
- 68LC060 (MMU, this model gets selected if no FPU configured)
- 68EC060 (neither, most likely not fully compatible with real Amiga hardware)

Quote:

I have a 040 environment but I want to change for 060 (some apps and demos require it) and when I set 060 CPU option Scout shows the MMU.

99.99% programs that ask for 68060 only "need" it because real 68040 is not fast enough. Using program that fakes 68060-flag should be more than enough in emulation (I think it is in Aminet). User-mode instruction set is same as 68040 (minus some FPU instructions that are removed in 68060 FPU)

25 October 2008, 20:33

Thanks for the answer.

If I understand well (english is not my native languaje) it´s better to stay with the 040 option because the difference only will be seen on real hardware where speed matters.

Now I understand why the latest TBL demo required 060 (on real Amiga) but runs nicely on my 040 configuration.

Thank you again for clarifying things

28 October 2008, 18:43

Well, for the ones interest in the program that Toni is refering to is http://aminet.net/package/util/sys/Make060

Hope someone like it

24 October 2008, 23:07	#1
yonavego Posts: n/a	060 emulation I read somwhere (I don´t remember where) that WinUAE only emulates the 060 CPU and FPU but with Scout it shows a 060 MMU. Is this for real or is it a bug of Scout? I have a 040 environment but I want to change for 060 (some apps and demos require it) and when I set 060 CPU option Scout shows the MMU. I ask this because if it is true that it emulates the full 060 (CPU, FPU and MMU) I want to make a new environment with all the 060 stuff. Thanks in advance

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25 October 2008, 20:33	#3
yonavego Posts: n/a	Thanks for the answer. If I understand well (english is not my native languaje) it´s better to stay with the 040 option because the difference only will be seen on real hardware where speed matters. Now I understand why the latest TBL demo required 060 (on real Amiga) but runs nicely on my 040 configuration. Thank you again for clarifying things

28 October 2008, 18:43	#4
yonavego Posts: n/a	Well, for the ones interest in the program that Toni is refering to is http://aminet.net/package/util/sys/Make060 Hope someone like it

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