![]() ![]() Prom: $8000-$FFFF usually, but not always, $6000-$7FFF may also be prom for the different mappersĬxram:$2000-$2FFF or just $2800-$2FFF for the different banking methods ![]() As far as I know, the NES/FC platform is totally unique in this regard, I know of no other retro console/computer has only ROM, RAM or if there's a combination of two the ROM is only in the computer, such as the C64 where the character set is in ROM. It's really interesting how each one of those has its benefits and drawbacks compared to the other. About half the game library has one, and the other half the other. Since NES-related terminology is almost always controversial and vague, because of termonology used by Nintendo and various reverse-engineer and emulators are different, partially overlapping and partially disagreeing, I could be wrong.Īnd the CHR-ROM label should really be CHR-ROM or CHR-RAM. At least when refering to terminology printed on Nintendo-made PCBs. As far as I know WRAM is a term used for optional extra RAM on the cartridge typically at $6000-$7fff. The WRAM label in the console is probably incorrect, it should simply read RAM. The format never really caught on for anything besides Nintendo's FDS on a greater scale, and Quick Disk drives for computers are quite rare and obscure. The Mitsumi Quick Disk format were to serve like a middle ground alternative to the slow but cheap cassette tapes and fast but expensive floppy disks, but it was probably too unreliable to become popular. Piracy was probably mostly a problem in Hong Kong, Taiwan and other Asian countries. And FDS disks wasn't as cheap as they where supposed to be, because the drive needed lots of maintenance which supposedly lowered the profit for third-party developers. I also believe that what killed the FDS is the fact that ROM cartridges became cheaper and more advanced, making almost every advantage of FDS disks obsolete, just like Bregalad said. There is a BIOS ROM which is somehow booted from instead of the PRG-RAM. ![]() Mitsumi manufactured (or designed) some components of the XM Satellite Radio system.The FDS RAM Adapter is just a cartridge expansion device, and technically no different from any other cartridges from the Famicom's point of view.Mitsumi manufactured the keyboard of the TI-99/4 and 4/A computers for Texas Instruments.Mitsumi manufactured the VIC-20 keyboard for Commodore International.Mitsumi was also involved in producing certain hardware parts for the Nintendo Wii U system.Mitsumi's own PC floppy drives were sold under a dual Mitsumi/Newtronics label. The various home computer manufacturers added their own controller electronics and cases, so that the Mitsumi name was usually not visible on the outside. In the 1980s, Mitsumi provided the mechanisms for several kinds of home computer floppy disk drives. Floppy and optical disc drives used in laptop computers, desktops, servers and the Famicom Disk System.These include the Apple Pro Keyboard and the Mighty Mouse. Remote controls for many home electronics brands, as well as keyboards and mice for personal computers.The Wi-Fi sub- PCB for the Nintendo DS family of systems (According to the FCC ID on the bottom of each system) and manufactures at least some Nintendo DS Lite consoles for Nintendo.Xbox original 'Duke' Controller and early 'Controller S' models. ![]()
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