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#103422 - 01/01/16 09:10 PM Re: PC98 [Re: Xenphor]
crazyc Offline
Senior Member

Registered: 01/22/12
Posts: 629
Originally Posted By Xenphor

There is a softlist image of the hdi? All I see in the software list roms is a nightslv.zip which is a compilation of fdi images. I'm guessing you would have to use those to install to a blank hdd? Is that how you got yours working? The softwarelist chd roms only list pcecd.

As Kale said the softlist image is the install floppies. I ran it from an HDD image that it was already installed on like yours probably is.

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#103423 - 01/01/16 09:24 PM Re: PC98 [Re: EoceneMiacid]
Justin Offline
Very Senior Member

Registered: 12/15/99
Posts: 1150
Loc: Vancouver Island, BC, Canada
Originally Posted By Xenphor
chdman createhd -i Night Slave.hdi -o nightslave.chd


This won't work, chdman only supports raw hard drive images. HDI is an emulator format with headers etc. that chdman is not expecting.


Edited by Justin (01/01/16 09:26 PM)

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#103424 - 01/01/16 09:29 PM Re: PC98 [Re: EoceneMiacid]
R. Belmont Offline

Very Senior Member

Registered: 03/17/01
Posts: 15435
Loc: USA
Is HDI documented somewhere?

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#103425 - 01/01/16 10:43 PM Re: PC98 [Re: R. Belmont]
Anna Wu Offline
Very Senior Member

Registered: 07/28/07
Posts: 4572
Maybe NP2 can help to understand the ANEX86 harddisk image (*.HDI) format?
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Anna's Playground for QMC2

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#103426 - 01/01/16 11:00 PM Re: PC98 [Re: Kale]
Xenphor Offline
Member

Registered: 08/24/13
Posts: 7
Originally Posted By Kale
You need to install/hot-swap* DOS 6.22, then use hdinst.exe inside Night Slave disk 1. If somebody wants to do a full tutorial about how to install stuff on pc98xx be my guest.

* Hot-swapping: run MS-DOS disk 1, wait until it prompts you to install DOS on a disk, press ESC in FULL keyboard mode then ENTER at はい for はい / いいえ (Yes/No).
(now at pc98xx prompt): change disk A into <select_your_game_running_only_on_dos> disk A, "dir *.exe" or "dir *.bat" for a list of executable commands. For Night Slave, hdinst.exe is the installer, nsg.exe is likely raw executable but it fails if not from HDD apparently.


I'm assuming this is with a blank chd loaded in the hard drive? What are the parameters for creating a blank chd that is compatible with pc98?

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#103427 - 01/02/16 12:06 AM Re: PC98 [Re: EoceneMiacid]
Kale Offline
Very Senior Member

Registered: 08/05/09
Posts: 1116
Loc: Naples, Italy
If you want to install the game on HDD yes, you need a blank chd loaded into HDD slot. For hot-swapping no, you just need DOS loaded into the floppy drive as startup and follow my instructions (and yes, there are games on PC-98xx softlist that could be loaded like that).

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#103451 - 01/03/16 01:20 AM Re: PC98 [Re: EoceneMiacid]
crazyc Offline
Senior Member

Registered: 01/22/12
Posts: 629

Graphics mode apparently a line should be drawn LR times. Fixes the Night Slave cutscenes.

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#103452 - 01/03/16 03:38 AM Re: PC98 [Re: EoceneMiacid]
crazyc Offline
Senior Member

Registered: 01/22/12
Posts: 629

Sort of fixed 256 color mode. I don't know whats with the horizontal resolution. Never mind.


Edited by crazyc (01/03/16 03:51 AM)

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#103494 - 01/05/16 01:50 AM Re: PC98 [Re: EoceneMiacid]
Kale Offline
Very Senior Member

Registered: 08/05/09
Posts: 1116
Loc: Naples, Italy


This was striking thru the middle for the left selection, which was a bit bogus because it's the ul attribute.

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#103506 - 01/05/16 06:37 PM Re: PC98 [Re: EoceneMiacid]
Kale Offline
Very Senior Member

Registered: 08/05/09
Posts: 1116
Loc: Naples, Italy
Install DOS 6.22 for PC-98x1 on an HDD

(This is a WIP guide, if any JP speaker wants to fill in the blanks be my guest. It'll eventually go in the main OS Install thread)

Pre-requisites as per MAME 0.169:
1. Enable "Load IDE BIOS" in Machine Configuration;
2. Create a blank HDD via chdman, anything with a sense like previous Amiga 600 example works just fine for PC-98 too (i.e. CHS 332,16,63).

Step-by-Step guide:
1. Launch PC-98x1 with your shiny new Hard Disk and disk 1 of DOS in drive A.

2. Wait until it prompts you to this, press ENTER on first option (?):


3. It then prompts you to partition select (?). Select first option and press ENTER again:


4. "Ready to install, ENTER to proceed, ESC to double check configuration" (?)


5. After some time, it eventually ask you to format HDD (?). Press ENTER twice to confirm:


6. "SYSTEM SHUTDOWN", which is a not-so-clever way to tell you to restart the machine, F3 should be enough.

(At this point, your HDD has bare minimum for DOS, i.e. COMMAND.COM and nothing else)

7. Once restarted, DOS asks you to tell the directory which it should be installed, also notice that the Yen symbol is an alias for backslash for PC-98xx. Next screen is a Yes/No confirmation:


8. At this point it'll start to feed DOS files into your HDD. When it prompts you to following screen just swap first drive disk into the designated disk number (so disk no. 2 here) and press ENTER:


9. If everything went correctly, DOS tells you detected HW (here: screen for default PC-9821), press ENTER here, then I guess it tells you to remove disk [8] here, press ENTER again, "SYSTEM SHUTDOWN" -> F3


Congrats, you just installed an OS without understanding a single word of the UI :p

Caveats:
1. PC-98xx drive letters are inverted compared to PC/AT when in normal config, i.e. HDD is A: / B: if present, floppy drives are C: / D:
2. Each time that you start up a PC-98 machine with a valid HDD, a screen with a list of bootable OS-es will appear (see previous post), so you could potentially install Windows / *nix / DOS / Miscellanea at the same time on the same HDD and just switch them at boot time.

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