code to check 68060 version

Yulquen74 · 24 July 2021, 11:39

First:

Is there an existing tiny command line tool (max size a few KB) that can report the 68060 version number? I'm aware of WhichAmiga, but its much larger and does much I don't need.

If not, which means is used to check the version? Are there some flags inside the cpu that can be read and then converted into something meaningful, or is it more complex than that?

Do you need 68060 spesific op codes to do it, or can it be done with an old assembler, like AsmOne?

alexh · 24 July 2021, 11:52

Go into supervisor mode and read the PCR control register, and bits 8 through 15 will hold the revision number.

WhichAmiga by Harry "Piru" Sintonen

http://aminet.net/package/util/moni/WhichAmiga

It's open source so shows the code to read the PCR register and decode it.

Yulquen74 · 24 July 2021, 12:13

Thanks, I will have a look at it!

Edit: In the process i found the mycpu060 command on aminet, this also reports CPU revision, and is small enough for my spesific need.

24 July 2021, 11:39	#1
Yulquen74 Registered User Join Date: May 2013 Location: Kleppe / Norway Posts: 253	code to check 68060 version First: Is there an existing tiny command line tool (max size a few KB) that can report the 68060 version number? I'm aware of WhichAmiga, but its much larger and does much I don't need. If not, which means is used to check the version? Are there some flags inside the cpu that can be read and then converted into something meaningful, or is it more complex than that? Do you need 68060 spesific op codes to do it, or can it be done with an old assembler, like AsmOne?

24 July 2021, 12:13	#3
Yulquen74 Registered User Join Date: May 2013 Location: Kleppe / Norway Posts: 253	Thanks, I will have a look at it! Edit: In the process i found the mycpu060 command on aminet, this also reports CPU revision, and is small enough for my spesific need. Last edited by Yulquen74; 24 July 2021 at 12:59.

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24 July 2021, 11:52	#2
alexh Thalion Webshrine Join Date: Jan 2004 Location: Oxford Posts: 14,337	Go into supervisor mode and read the PCR control register, and bits 8 through 15 will hold the revision number. WhichAmiga by Harry "Piru" Sintonen http://aminet.net/package/util/moni/WhichAmiga It's open source so shows the code to read the PCR register and decode it.

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