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MAME now ignores the nvram_save option?
#381163 - 02/19/19 11:07 PM
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It has been half a year since I upgraded MAME and last year I found out about the -(no)nvram_save parameter (nvram_save in ini) that stops MAME writing nv_ram files. However now if I write something like "mame64.exe gbcolor shantae -nonvram_save" the gbcolor\shantae.nv gets written anyway. It still works for non softlist items I think. It was not like that last time I tried, has something changed recently? Is there an option for softlists items now?
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Re: MAME now ignores the nv_ram option?
[Re: BIOS-D]
#381166 - 02/20/19 02:07 AM
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MAME ignores the nvram_save option when writing on-cartridge NVRAM because that happens to go through a completely different codepath which I didn't even examine when implementing the option.
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Re: MAME now ignores the nv_ram option?
[Re: AJR Hacker]
#381167 - 02/20/19 02:45 AM
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> MAME ignores the nvram_save option when writing on-cartridge NVRAM because that
> happens to go through a completely different codepath which I didn't even examine
> when implementing the option.
It wasn't like that half a year ago though. I hope the feature gets back or at least there's a workaround. If not, well, I was already use to handpick my saves before clearing the folder every time I upgrade. I'm reporting in case it wasn't overseen anyway. :P
Thank you for the reply.
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Re: MAME now ignores the nv_ram option?
[Re: BIOS-D]
#381168 - 02/20/19 03:38 AM
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> It wasn't like that half a year ago though. I hope the feature gets back or at least
> there's a workaround.
I'm quite sure there's been no technical regression. The -nonvram_save effect has always been (inconsistently) unavailable for devices which use battery_save instead of nvram_save. It's possible that "half a year ago" you were playing a Neo Geo or Sega Saturn game, since the NVRAM-bearing cartridges for those systems do use the latter interface.
That said, I think the inconsistency is well worth patching, even if it masks a bigger internal inconsistency.
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