- The noise of the sampling voice of the wave memory sound reduced. As a result, the tone quality has been improved.
- The ADPCM sound processing was brought close to a real machine.
- The processing speed and timing were elaborately brought close to a real machine. In the third stage of "Soldier Blade", the problem that one frame screen fell into disorder occasionally was solved. In "Racing Damashii", the problem that race screen shook occasionally etc. were solved.
- While playing CD-DA, when a game is reset with "SELECT+RUN" button, the bug that had been occasionally freezed was corrected.
- Additionally, a detailed part has been improved and corrected.