Le journal du lapin, mon espace personnel ou je parle de trucs retro, d'expérimentations et de produits Apple. Et évidemment de prototypes.

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The post reveals the discovery of an elusive 256 KB Japanese ROM for the Macintosh Plus, which incorporates kanji fonts and improves system startup by avoiding RAM usage and floppy disk load. The author details the process of locating, acquiring, and testing the ROM, highlighting its benefits in reducing boot time and freeing up memory. Despite challenges with emulation, modifications to MAME software now allow the use of the Japanese ROM. This project uncovers undocumented information, providing insights into the hardware's unique features.

The Lost Japanese ROM of the Macintosh Plus (Which Isn’t Lost Anymore)