So, now that you know what these extensions mean and what kind of files/disks you’re going to be using, the next step is getting your emulator running. These will come in a variety of formats, though all should work in any of the emulators.įloppy Disk Images: FDI, HDM, NFD, D88, etc. The first is an emulator which we’ll get to later, and the second will be either a set of floppy disk images or a hard disk image. It comes with floppy disk drives and hard drives, which are the main methods you use to actually load up games and other software.įor the purposes of emulating, you’ll generally need two things.

What you’re emulating is a really old Japanese computer, basically. I used to play both games no problem when I had MAME OSX 124 in my Tiger Mac 10.4 When I test both games in MAME OSX 124 from my current snow leopard, I get a message saying 'unsupported chd.'Īfter downloading chd files from multiple sources I get the same message.If you’re new to the world of PC-98 emulation, here are some tips.įirst up, a small explanation of the PC-9800 series of personal computers. WARNING: the game might not run correctly. The chd files I have run both games at quarter the normal speed (very slow). I heard MacMAME has a chdman that opens a terminal. I heard that they would have to be updated by a program called chdman but I do not know how to do it from a mac. I downloaded Killer Instinct 1 & 2 for this emulator but it appears I have the wrong chd files. I love to play classic arcade games in my spare time. I own a Mac OSX 10.6.3 with MAME OSX 135. Hi, I read your quote responses about chd files and chdman. chdman -extract filename.chd /dev/disk# 'cd' to the place where chdman and the CHD are located *** Make sure you are correct or you will erase the wrong disk in the next step !!! *** Make sure you are correct or you will erase the wrong diskįind the disk that you just connected and find the /dev/disk# Partition the NEW drive with 1 partition and as 'free space' w/ option button and then MS DOS FAT selected It should probably be almost 100% FREE SPACE.

Verify the current arcade game HD disk format. Windows seems to be able to create the CHD with no issues most of the time.ĭownload macMAME or other with the 'chdman' command line programĬonnect the hard drive or CF that you want to extract to either internally or / USB /firewire/etcĭecide whether or not you need to partition / format the NEW disk. The Windows XP machine I have doesn't seem to be able to extract the CHDs consistently so I'm using my Mac to get the job done.

Eroge game disk drive