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MSX2+ MSX2 Plus Roms Section.
MSX2+
MSX2+ computer: a Panasonic FS-A1WSX
Only officially released in Japan (available in Europe and Brazil via upgrades)
Processor: Zilog Z80 compatible running at 3.58 MHz (the MSX2+ models from Panasonic can be set to run on 5.37 MHz by software, but this is not part of the standard)
ROM: 64 kB
BIOS + Extended BIOS (32 kB)
MSX BASIC V3.0 (16 kB)
DiskROM (16 kB) (optional, very common)
Kun-BASIC (16 kB) (optional)
Kanji ROM (optional)
RAM: commonly 64 kB (on Japanese computers), normally memory mapped (4 MB per slot maximum)
Video Display Processor: Yamaha V9958 (aka MSX-Video) All of MSX2's specifications plus:
The minimal video RAM is now 128 kB. Up to 192 kB is supported.
a new 256×212 YJK video mode with 19268 simultaneous colors
a new 256×212 mixed-YJK/RGB video mode with 12499 simultaneous colors
a horizontal scroll register
Sound chip: Yamaha YM2149 (PSG)
Optional sound chip: Yamaha YM2413 (OPLL) (MSX-Music)
Clock chip RP5C01
3.5 in (89 mm) Floppy disk drive is very common
