Changes

* ''the MSX 1'' is the original 1983 machine, with a 3.58Mhz Z80, an AY 3-8910 sound chip, and a TMS video processor — it offers resolutions up to 256x192 with attribute-based colours, single-colour sprites and no hardware scrolling. This machine primarily differs from contemporaries such as the ColecoVision and Sega SC-3000 only in its sound chip. The '''Pioneer Palcom PX-7''' is a MSX1 computer, aimed at the Japanese market. It was meant for attaching to a [[LaserDisc]] player, and as such has Superimpose capabilities (putting pictures and texts above the Laser Disc image). The PSG sound is stereo, contrary to almost all MSX machines. Pioneer also sold the '''ER-101''' interface (Laser Vision) unit which made it possible for all MSX computers to have the same functionalities as the Palcom PX-7;

* ''the MSX 2'' is a 1985 revision that significantly upgrades the video processor; the maximum resolution is now 512x212, sprites are up to 16 colour, hardware vertical scrolling is available, more normative bitmap and non-attribute-based tile colour modes are offered, and primitive graphics acceleration is available — the video processor can independently perform tasks such as drawing lines and filling rectangles. Unlike the TMS chip in the MSX 1, no other machines use this video processor, so MSX 2 emulation is attempted less often than MSX 1 emulation. Panasonic's '''FS-A1''' (1986), '''FS-A1mkII''' (W/ added keypad) and its Italian counterpart, the '''Toshiba FS-TM1''' were based on this standard;

* ''the TurboR'' from 1990 offers the R800 processor as an alternative to the Z80, which is an offspring of the Z800, offering Z80 backwards compatibility with significantly increased throughput.