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Savestates?

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Reply 20 of 24, by jal

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DosFreak wrote:

Not here, the posts we get every week on the forum asking for save state support. Annoying to put it mildly.

Okay, I misunderstood you, my appologies. Indeed the topic has come up a few times 😀. Is the question in the FAQ already (too lazy to check)?

JAL

Reply 21 of 24, by DosFreak

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Wish List and FAQ threads hidden on the forums. The fact that you have to type in "save + state" into search probably doesn't help either....not that is matters since most people don't use search anyway. 😀

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Reply 22 of 24, by DosFreak

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I think this is the first ever "save state" thread.....

Saved states?

Posted way back in 2003! Thinking about banning the initial poster of that thread. 😈

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Reply 23 of 24, by starik

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actually, i remember there WERE at least two native DOS programs that run as TSR and would save/load state on certain key combination Some games would recover on its own when faced with glitches (e.g screwy palette or the panning was off). Of course, some games didnt work.

Unfortunately i cant recall what either one was called. (maybe it'll come to me later). The point is, it's been done before and there's no reason why dosbox cant dump states. Playstation, Sega, N64 and even PS2 emulators do it.

Having DOSBOX cover all permutations of PC hardware is most likely next to impossible, but at least developers can try dump the basics like memory, ?GA and beeper state. Label it a "experimental" feature. If it works, good, if it doesnt, tough luck 😀

PS. Here's a very real example of why s. states are necessary. I'm playing Metal Mutant right now. It plays digitized audio only through PC speaker. Needless to say it's quite distorted, and not due to my slow hardware. There's a puzzle in the game where you need to listen to sequence of tones and then replay the correct sequence using buttons. I'm STUCK.

Reply 24 of 24, by vasyl

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there WERE at least two native DOS programs that run as TSR and would save/load state on certain key combination

Mace Utilities contained one of them. It works in some simple cases but every time I tried to use it there was something that it did not like -- use of extended/expanded memory, SVGA (only supported VGA and even that incompletely), Sound Blaster, etc. -- not particularly game-friendly.
Technically, it can be implemented "correctly" in DOSBox but that's a lot of work.