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Author Topic: Loading ROM files (Read 8632 times)

Offline SlashNet

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Loading ROM files
« on: 2024.March.25. 10:14:33 »
Is there an easy way to load rom files on a computer without EXDOS?
Simply converting file to COM will not work as it will be too large (the limit of file size of COM file is around 42kb).

Interested in loading this file (EP_Car1_TM_64k.ROM):
https://enterpriseforever.com/other-topics/allsorts-of-interesting-finds/msg89133/#msg89133
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Offline geco

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Re: Loading ROM files
« Reply #1 on: 2024.March.25. 11:02:19 »
I think there is no easy way, especially if the ROM contains fix ROM segment numbers, if it does not, then it should be solved to load, and initialize the "ROM" like the .EXT files does.
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Offline Zozosoft

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Re: Loading ROM files
« Reply #2 on: 2024.March.25. 11:58:19 »
I tried it, made a small program which loads 64K ROM to F8-FB, it works with for example ASMON+FORTH+LISP 64K ROM file.
But it doesn't work with the requested ROM, it looks it uses hard coded segment numbers (04-07). (It doesn't work either if you put that ROM to another area than cartridge in ep128emu.)
« Last Edit: 2024.March.25. 20:46:54 by szipucsu »
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Offline SlashNet

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Re: Loading ROM files
« Reply #3 on: 2024.March.25. 12:52:23 »
Quote from: Zozosoft on 2024.March.25. 11:58:19
it is looks using hard coded segment numbers (04-07).
I suspected that this would be the main problem. :(
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Offline Zozosoft

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Re: Loading ROM files
« Reply #4 on: 2024.March.25. 12:59:44 »
Anyway why are wanted that ROM loaded? Some games better/different than the know version?
Probably more easy to convert these to standard loadable format.
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Offline SlashNet

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Re: Loading ROM files
« Reply #5 on: 2024.March.25. 18:54:53 »
Quote from: Zozosoft on 2024.March.25. 12:59:44
Some games better/different than the know version?
Probably more easy to convert these to standard loadable format.

Several games on these cartridges are not available in loadable format.
As I wrote earlier:

Quote
"New" by Palex+ for EP are next games:
Bzzzz
Enduro (gradient sky)
Harrier Attack! (gradient sky)
Bomber
Rats Nest (ZX81 game)
Star Trip

Enhanced:
Deathchase (gradient sky)

But, I don't think these early Spectrum games are worth spending a lot of time on.
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