Posted: 1 day ago
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Thornstrom
Joined: 4/20/2023
Posts: 14
Location: Sweden
I'm trying to run C64 games in BizHawk 2.10 and have been adding the required firmware files to the Firmware folder. I've successfully added the Kernal ROM (901227-03.bin), Basic ROM (901226-01.bin), Chargen ROM (901225-01.bin), and the 1541-II Disk Drive ROM (1541-II.251968-03.bin). However, I haven't been able to locate the 1541 Disk Drive ROM file that BizHawk is specifically scanning for, despite trying different files and versions in the firmware folder. What file name(s) ("Location") is BizHawk looking for in this case?
Posted: 1 day ago
(Edited: 1 day ago)
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CasualPokePlayer
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Right click firmware entry in firmware manager, click Info. Note that BizHawk does not care for the file name (the ones given in Info are just suggestions), it identifies the files by hash.
Posted: 1 day ago
(Edited: 1 day ago)
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Thornstrom
Joined: 4/20/2023
Posts: 14
Location: Sweden
Thanks, but I still can't find the expected file for this. For example, I've tried all 1541-files from this location: [Moderator Edit: Do not link to or reference places that distribute copyright-protected materials.], but none is recognized.
Posted: 1 day ago
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BlackWinnerYoshi
He/Him
Player (21)
Joined: 1/13/2023
Posts: 59
Location: Poland
To save a click for the future lost souls that made it here; 
16384	sha1:AB16F56989B27D89BABE5F89C5A8CB3DA71A82F0	C64_Drive-1541.bin	1541 Disk Drive Rom
Posted: 1 day ago
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CasualPokePlayer
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Seems the hash expected for the 1541 ROM is actually just rev 1 of the 1541-II ROM, according to MAME: https://github.com/mamedev/mame/blob/0df6022122abd12e9f132f73ff20061d79de3acb/src/devices/bus/cbmiec/c1541.cpp#L287
Posted: 1 day ago
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Thornstrom
Joined: 4/20/2023
Posts: 14
Location: Sweden
In my case though, it's the expected C64_Drive-1541.bin that I havn't been able to find (1541 Disk Drive ROM, not the 1541-II).
Posted: 1 day ago
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CasualPokePlayer
Emulator Coder, Judge, Experienced player (790)
Joined: 2/26/2020
Posts: 809
Location: California
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Thornstrom wrote:
In my case though, it's the expected C64_Drive-1541.bin that I havn't been able to find (1541 Disk Drive ROM, not the 1541-II).
The expected C64_Drive-1541.bin file is actually the rev1 ROM for the 1541-II.
Posted: 1 day ago
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Thornstrom
Joined: 4/20/2023
Posts: 14
Location: Sweden
Ah ok. Any tip on where to find it?
Posted: 1 day ago
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CasualPokePlayer
Emulator Coder, Judge, Experienced player (790)
Joined: 2/26/2020
Posts: 809
Location: California
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No
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