Yamaha SKW-05
This page was last modified 23:30, 19 January 2023 by Mars2000you. Based on work by Gdx.



The module SKW-05 is a Kanji Word Processor Unit with disk support for MSX1 and higher computers.

It was made and sold by Yamaha and includes

  • a 48kB ROM with the application that can be launched with CALL JWP or _JWP
  • a 32kB ROM with a Kanji Dictionary
  • a 2kB SRAM
  • a non-standard 128kB Kanji-ROM (JIS1) with 3979 characters
  • a switch at the top with the indication "MEMORY POWER" (to enable/disable the SRAM)

Extra characters, words and short sentences can be saved on the SRAM. This module is built-in in the YIS-805 computer.

It can be used with the YRK-50 cartridge, that has a Kanji dictionary of 56355 words.

Brand Yamaha
Model SKW-05
Year 1985
Region Japan
Launch price ¥49,800
Package content Module
Emulation ROMs dumps needed



Yamaha SKW-05
Yamaha SKW-05 underside


Yamaha SKW-05 Word Processor