Load State problem

03 May 2016, 19:21

Hi great forum btw

Heres my problem. i saved a state yesterday on winuae. I try to load the save state today and the winuae screen goes funny and a halt2 code appears on the bottom.

any ideas what this might be ?

Arnie · 03 May 2016, 19:25

Did the save state work yesterday or have you only just tried it today?
Could be a corrupted save.

03 May 2016, 19:28

it worked yesterday.

actually tried it with 2 different save states neither is working the screen goes funnyon both.

the game if its important is premier manager

Toni Wilen · 03 May 2016, 19:30

Assuming same config, did the game save something to game disk? If yes, it is guaranteed to break state files because data in disk gets out of sync with game state in state file.

03 May 2016, 19:32

that actually might be it

Tomislav · 04 May 2016, 11:18

There are some rules with save state. Do not use if game saves to disk, never use with hard disk, and try not to use to much memory.

Toni Wilen · 04 May 2016, 11:36

They are not that hard rules.

For example it is usually fine if disk is non-dos and game only saves actual save files. On the other hand things go bad very quickly if game also keeps save file that keeps changing every time you enter another town/space station etc.. (=not saved/loaded only when user selects load/save button)

Directory harddrive state files also usually work fine. (HDF = don't even try, unless drive is read-only..)

demolition · 04 May 2016, 14:41

Perhaps the state files should include any mounted volumes (and ROMs) as well as to not rely on external files? They will get bigger, but would also solve many of these issues.

Toni Wilen · 04 May 2016, 15:28

ROMs will not be added (for quite obvious reasons! and checksums are already added, correct rom is automatically loaded if it exists)

And adding ADFs would require time machine, think about games that need disk changes later or what about disk changes _before_ statefile was saved, same disk may be needed later..

demolition · 04 May 2016, 15:34

Yes, if you change the disk and need to switch back to the one in the save state then you may not have it available. But it should still solve most of these issues although it is not 100%.

Toni Wilen · 04 May 2016, 15:40

I think you forgot to think about bad and annoying side-effects and only thought about side-effects that solves something...

demolition · 04 May 2016, 15:43

You might be right. I have a 4 day long weekend from tomorrow and the weather is looking to be great so my brain is on low power already.

03 May 2016, 19:21	#1
chrislatimer Posts: n/a	Load State problem Hi great forum btw Heres my problem. i saved a state yesterday on winuae. I try to load the save state today and the winuae screen goes funny and a halt2 code appears on the bottom. any ideas what this might be ?

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03 May 2016, 19:25	#2
Arnie R.I.P Smudge 18-08-16 Join Date: Aug 2005 Location: Leicester/UK Age: 66 Posts: 3,968	Did the save state work yesterday or have you only just tried it today? Could be a corrupted save.

03 May 2016, 19:28	#3
chrislatimer Posts: n/a	it worked yesterday. actually tried it with 2 different save states neither is working the screen goes funnyon both. the game if its important is premier manager

03 May 2016, 19:30	#4
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,518	Assuming same config, did the game save something to game disk? If yes, it is guaranteed to break state files because data in disk gets out of sync with game state in state file.

03 May 2016, 19:32	#5
chrislatimer Posts: n/a	that actually might be it

04 May 2016, 11:18	#6
Tomislav Registered User Join Date: Aug 2014 Location: Zagreb / Croatia Posts: 302	There are some rules with save state. Do not use if game saves to disk, never use with hard disk, and try not to use to much memory.

04 May 2016, 11:36	#7
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,518	They are not that hard rules. For example it is usually fine if disk is non-dos and game only saves actual save files. On the other hand things go bad very quickly if game also keeps save file that keeps changing every time you enter another town/space station etc.. (=not saved/loaded only when user selects load/save button) Directory harddrive state files also usually work fine. (HDF = don't even try, unless drive is read-only..)

04 May 2016, 14:41	#8
demolition Unregistered User Join Date: Sep 2012 Location: Copenhagen / DK Age: 43 Posts: 4,190	Perhaps the state files should include any mounted volumes (and ROMs) as well as to not rely on external files? They will get bigger, but would also solve many of these issues.

04 May 2016, 15:28	#9
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,518	ROMs will not be added (for quite obvious reasons! and checksums are already added, correct rom is automatically loaded if it exists) And adding ADFs would require time machine, think about games that need disk changes later or what about disk changes _before_ statefile was saved, same disk may be needed later..

04 May 2016, 15:34	#10
demolition Unregistered User Join Date: Sep 2012 Location: Copenhagen / DK Age: 43 Posts: 4,190	Yes, if you change the disk and need to switch back to the one in the save state then you may not have it available. But it should still solve most of these issues although it is not 100%.

04 May 2016, 15:40	#11
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,518	I think you forgot to think about bad and annoying side-effects and only thought about side-effects that solves something...

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04 May 2016, 15:43	#12
demolition Unregistered User Join Date: Sep 2012 Location: Copenhagen / DK Age: 43 Posts: 4,190	You might be right. I have a 4 day long weekend from tomorrow and the weather is looking to be great so my brain is on low power already.