] It's possible and the standard has a feature called "secondary MVDP
] adaptor"
] that consists of a secondary I/O port for a expanded VDP. It's port 88h.
] This is how the ACVS MSX2+ cartridge expands the system.
This is against the MSX 2+ standard. ASCII officially freezed the port to
address 98/99/9A/9B when they made the 2+ standard. Only the MSX 1 and the
MSX 2 had the possibility to have the VDP at a different port address.
Kind regards,
Alex Wulms
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