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PC-98xx WIP/screenshot thread #83062 12/07/12 05:23 PM
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Kale Offline OP
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This is a thread for the long running series of NEC PC-98xx computers line (and that, for the five people that lives on Mars, is definitely the most famous JP computer ever created, and that's not an understatement).
As usual, the topic is all about bug reporting and bragging about how the emulation is wonderful laugh





http://mamedev.emulab.it/kale/?p=1796

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83064 12/07/12 05:39 PM
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What kind of HDD interface do they have?

Edit: Just tried a couple of the non-working ones. The RX tries to use 386 instructions so either it's the wrong ROM or the wrong CPU. The UX is more interesting. It expects to read 0x80 from port 0x35 or it tries to do a reset to real mode jump, probably for Windows. Then it prints "SYSTEM SHUTDOWN". You can get past that too then it prints "A20 ADDRESS ERROR".

Last edited by crazyc; 12/07/12 06:05 PM.
Re: PC-98xx WIP/screenshot thread [Re: Kale] #83065 12/07/12 05:49 PM
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Kale Offline OP
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Either SASI or SCSI, it depends on the kind of the machine.

Additionally, PC-9821 has an undumped/unavailable IDE rom, if I'm reading NekoProject / QEMU source correctly they basically hack the space by filling some data I believe.

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83066 12/07/12 06:08 PM
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Kale Offline OP
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Actually, PC-9821 seems to work fine now (maybe due of the RTC fixes, no idea). Panic Bomber being one of the exclusive games halts with this:



Re: PC-98xx WIP/screenshot thread [Re: Kale] #83067 12/07/12 07:05 PM
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Unfortunately not playable keyboard is to slow (but could be my slow pc, can't get it ove 60% running at a frameskip of 10)

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83068 12/07/12 07:19 PM
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Justin Offline
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Originally Posted By Kale
Actually, PC-9821 seems to work fine now (maybe due of the RTC fixes, no idea). Panic Bomber being one of the exclusive games halts with this:




"Insufficient memory, protected memory is [less than] 3M bytes"

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83069 12/07/12 08:45 PM
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Kale Offline OP
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Preliminary support for 256 colors mode:







Beware: PC-9821 is VERY intensive performance wise (~30% here).

Last edited by Kale; 12/07/12 08:48 PM.
Re: PC-98xx WIP/screenshot thread [Re: Kale] #83070 12/07/12 08:52 PM
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R. Belmont Online Content
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Riverhill Soft? The perpetrators of Overblood? Awesome.

Also, PIPOOOOOOOOOOOO!

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83086 12/08/12 05:12 PM
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Kale Offline OP
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Kanji hook-up tied to the CG ports. Next up:
*Do the bitswap at driver init
*Extract the missing kanji data from the hand-crafted ROMs (I obviously want a redump, but I fear it's unlikely)

Re: PC-98xx WIP/screenshot thread [Re: Kale] #83156 12/10/12 11:35 AM
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Dullaron Offline
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Wow the graphics are wonderful.


Windows 10 Pro 64-bit / Intel Core i5-4460 3.20 GHz / 8.00 GB RAM / AMD Radeon R9 200 Series
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