Barfly misidentifies 68020 under emulation

DJ Mike · 04 February 2006, 11:59

I've noted while developing under WinUAE that Barfly Assembler refuses to run with either 68020 or 68020+FPU processor modes, stating that you need a 68020 or higher - which seems a little odd :-)

Now, as far as I know Barfly works fine on a real 68020 so I thought I'd raise the issue here as a possible bug in the emulation.

Cheers,

M;.

pjhutch · 04 February 2006, 12:08

Maybe its looking for the more commom 680EC020 processor found in the A1200.

DJ Mike · 04 February 2006, 13:15

Well, if that's the case it doesn't recognise 68EC020 mode in WinUAE either :-)

Toni Wilen · 04 February 2006, 14:21

version? both barfly and winuae

DJ Mike · 04 February 2006, 16:42

Barfly is version 2.9 available on Aminet - the last version AFAIK and also distributed with a free registered key

WinUAE is the latest build 1.1.1 as available on winuae.net

M;.

DJ Mike · 04 February 2006, 16:50

Also, if it helps, Barfly does the following test in its code to determine a 68020+ processor:

;execbase in a6
btst #2,$129(a6)
beq _notsupported

I actually looked into this myself - bit #2 is actually the 68030 flag of the AttnFlags field - so it is infact Barfly that is at fault (if indeed it was ever meant to support 68020s in the first place) - I expect I was using an older version at the time of my 020 A1200 so hence why it probably worked :-)

Never mind eh?

M;.

Wepl · 04 February 2006, 21:07

have basm already successful used under uae!
for the debugger you need to disable jit.

DJ Mike · 04 February 2006, 22:21

Actually to get BAsm to work you can just select 68040 for the CPU - I raised the issue as a possible bug in emulation just to make the authors aware of it.

Codetapper · 11 February 2006, 12:39

If you are using Barfly 2.9 (171728 bytes) on a 68020, you can change offset $4aa from $0002 to $0001 and it will then work as DJ Mike noticed!

kamelito · 24 May 2006, 23:37

Hi

Set the cpu to 68040 under UAE and Barfly will work.
kamelito

StingRay · 02 March 2007, 06:08

Quote:

Originally Posted by Wepl

have basm already successful used under uae!
for the debugger you need to disable jit.

Asm1/Pro's debugger has problems on UAE with JIT enabled as well. Yet, instead of completely disabling JIT, I just check "Force settings" and then "Hard flush" in the JIT settings. Works perfectly for me, might work for Barfly's debugger as well?

04 February 2006, 11:59	#1
DJ Mike Registered User Join Date: Nov 2005 Location: United Kingdom Age: 40 Posts: 100	Barfly misidentifies 68020 under emulation I've noted while developing under WinUAE that Barfly Assembler refuses to run with either 68020 or 68020+FPU processor modes, stating that you need a 68020 or higher - which seems a little odd :-) Now, as far as I know Barfly works fine on a real 68020 so I thought I'd raise the issue here as a possible bug in the emulation. Cheers, M;.

04 February 2006, 16:50	#6
DJ Mike Registered User Join Date: Nov 2005 Location: United Kingdom Age: 40 Posts: 100	Also, if it helps, Barfly does the following test in its code to determine a 68020+ processor: ;execbase in a6 btst #2,$129(a6) beq _notsupported I actually looked into this myself - bit #2 is actually the 68030 flag of the AttnFlags field - so it is infact Barfly that is at fault (if indeed it was ever meant to support 68020s in the first place) - I expect I was using an older version at the time of my 020 A1200 so hence why it probably worked :-) Never mind eh? M;. Last edited by DJ Mike; 04 February 2006 at 17:09.

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04 February 2006, 12:08	#2
pjhutch Peter Join Date: Oct 2004 Location: Sowerby Bridge,UK Age: 57 Posts: 102	Maybe its looking for the more commom 680EC020 processor found in the A1200.

04 February 2006, 13:15	#3
DJ Mike Registered User Join Date: Nov 2005 Location: United Kingdom Age: 40 Posts: 100	Well, if that's the case it doesn't recognise 68EC020 mode in WinUAE either :-)

04 February 2006, 14:21	#4
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,505	version? both barfly and winuae

04 February 2006, 16:42	#5
DJ Mike Registered User Join Date: Nov 2005 Location: United Kingdom Age: 40 Posts: 100	Barfly is version 2.9 available on Aminet - the last version AFAIK and also distributed with a free registered key WinUAE is the latest build 1.1.1 as available on winuae.net M;.

04 February 2006, 21:07	#7
Wepl Moderator Join Date: Nov 2001 Location: Germany Posts: 866	have basm already successful used under uae! for the debugger you need to disable jit.

04 February 2006, 22:21	#8
DJ Mike Registered User Join Date: Nov 2005 Location: United Kingdom Age: 40 Posts: 100	Actually to get BAsm to work you can just select 68040 for the CPU - I raised the issue as a possible bug in emulation just to make the authors aware of it.

11 February 2006, 12:39	#9
Codetapper 2 contact me: email only! Join Date: May 2001 Location: Auckland / New Zealand Posts: 3,182	If you are using Barfly 2.9 (171728 bytes) on a 68020, you can change offset $4aa from $0002 to $0001 and it will then work as DJ Mike noticed!

24 May 2006, 23:37	#10
kamelito Zone Friend Join Date: May 2006 Location: France Posts: 1,801	Hi Set the cpu to 68040 under UAE and Barfly will work. kamelito

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