This cartridge aims to implement an MSX-AUDIO + OPL2 environment with ADPCM implementation by combining it with an OPL4 cartridge (MoonSound-aka Dalsori, etc.) that operates on MSX. MOONBASE is a cartridge that operates in combination with MOONSOUND.
It needs a MSX1 16KB RAM or more.
It provides the following main functions:
- MSX-Audio BIOS (FS-CA1 Sample ROM 64KB + Modified BIOS 1.3 OPL/OPL3)
- ADPCM decoder (256KB sample RAM, MSX-Audio compatible)
- Drive external OPL4 cartridge with MSX-Audio I/O
- Audio output mix of external OPL4 cartridge and MoonBase
- Mono Unsigned 8BIT PCM compatible with Philips Music Module (NMS-1205)
- Mono Signed 16BIT PCM
- PCM drum set for MSX-Music rhythm mode (8-step adjustable output)