Codex Gamicus
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MSX2+
Basic Information
Type(s)
Home Computer
ASCII Corporation, Microsoft Corporation
Sony CorporationSanyo and Panasonic
MSX2
MSX TurboR
Japan Japanese Release
MSX2+
1988
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MSX2+ is a standard for home computer architecture, and succeeds the MSX2 specification. It was itself succeeded by the MSX TurboR specification.

Specifications[]

Technical Specifications
CPU
  • Zilog Z80A @ 3.58 MHz
  • MSX2+ models manufactured by Panasonic can be set to run @ 5.37 MHz by the onboard software, but this is not officially part of the MSX2+ standard.
Clock Chip Ricoh RP5C01 (or compatible)
RAM 64 kB minimum
ROM
  • 64 kB
    • 32 kB for the BIOS + Extended BIOS
    • 16 kB for MSX BASIC 3.0
    • DiskROM (16 kB, optional)
    • Kun-BASIC BIOS (16 kB, optional)
    • Kanji ROM (optional)
Graphics
  • The minimal video RAM is now 128 kB. Up to 192 kB is supported.
  • A horizontal scroll register
GPU Yamaha V9938
Graphics RAM 128 kB
Resolution
  • A new 256 × 212 YJK video mode with 19268 simultaneous colors
  • A new 256 × 212 mixed-YJK/RGB video mode with 12499 simultaneous colors
Media Floppy Disk, Datasette, Cartridge

See also[]

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