Quote:
Originally Posted by Scatty
I think I managed to pinpoint the root of the problem with Fallout saving in PSP: the minimum requirements for Fallout under Ms-Dos dictate that it needs 32MB available RAM, double of which it requires under Windows - 16MB there. Have a look here.
As a matter of fact, PSP does also have exactly 32MB RAM, for example you can look here - using its memory for some of the PSP's system workings already takes away some amount of it. Seeing as DosBox itself also needs some amount of memory for operating, not sure how much exactly, you can see how that puts Fallout at a disadvantage - the setting memsize=40 could not even go above the actually available memory after all the factors, which would be somewhat lower than 40MB. And that might explain the troubles with saving game more than once. Fallout 1 simply runs out of memory to operate correctly.
I suspect that playing other games in DosBox on PSP, which (usually for Ms-Dos games) require less memory, shouldn't be a problem unlike with Fallout 1.
P.S. having said that, since I don't know how PSP handles the writable storage (the specs page mentiones just the disc drive which is playback only), and what size it is, that might be also a cause of the problem, lacking enough space to handle saving games. |
There is just one problem haha. The site you saw has wrong information. Not all the PSPs have 32MB. I've no idea why they still have that information, but it's not correct. See this Wikipedia page:
https://en.wikipedia.org/wiki/PlayStation_Portable. Wikipedia is not wrong, as I've heard that many times, so I think the site has outdated information (referring to the Fat model, which was the first one), even though it was updated last year (
). I can also confirm that myself because if I put memsize too high, DOSBox will stop working (must be trying to use memory which the system doesn't have). So with 40MB it works. And the PSP I'm using is a Slim model, so it's one of those that have 64MB total. I went MB by MB from 30-50 to see what value would be the maximum to work, and I found 40MB to be that value. So supposedly it has the RAM it wants.
The part of the storage, it's a memory card. In my case, I'm now using an 8GB one, which has about 20MB free. Though, before this one I was using another one of 64GB and I had at least 10GB free. I also used the -free command with some values as suggested by Smiling Spectre to put it seeing free space on the "disk".
EDIT: forgot to write this part, so, also thank you for the requirements, which I didn't know about. And it also says it needs MS-DOS 5.0 at least, so that's not a problem too (DOSBox 0.71, which is the one the PSP has ported to it, emulates MS-DOS 5.0).