On Sun, 27 Aug 2000 13:33:01 +0200, Ivan Latorre wrote:
Hello
It is possible (for Sunrise, L. Padial or other HW developers) to make
a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
I think that these cartridges would be sold out quickly...
Ademir has developed (and sold) this cartridge more
Ademir has developed (and sold) this cartridge more than 10 years
ago. It's not produced anymore due to the lack of V9958 and FM.
Now, both FM as V9958 chips are available again in large quantities.
Problem is, I need to order at least 100 chips at once!
So mail me at [EMAIL PROTECTED] if
Hello
It is possible (for Sunrise, L. Padial or other HW developers) to make
a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
I think that these cartridges would be sold out quickly...
Greetings
Problems? contact [EMAIL PROTECTED] See also http://www.faq.msxnet.org/
On Sun, 27 Aug 2000, you wrote:
It is possible (for Sunrise, L. Padial or other HW developers) to make
a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
I think it's impossible, because the internal V9938 and the V9958 in the
cartridge would be at the same port address and will interfere
Hello
It is possible (for Sunrise, L. Padial or other HW developers) to make
a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
I think that these cartridges would be sold out quickly...
Here in Brazil we had such cartridges, they where made by Ademir Carchano,
in 1990.
it could upgrade
It is possible (for Sunrise, L. Padial or other HW developers) to make
a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
I think it's impossible, because the internal V9938 and the V9958 in the
cartridge would be at the same port address and will interfere with
eachother.
It's
] Hello
]
] It is possible (for Sunrise, L. Padial or other HW developers) to make
] a MSX2+ upgrade cartridge for MSX2 (or even MSX)?
Not easy. The MSX2+ VDP is by definition on I/O ports 98/99/9A/9B so you will
get I/O conflicts between the cartridge VDP and the build-in VDP.
Kind regards,
Laurens Holst wrote:
Support for it is also dropped since the MSX2+ which standarized the
location of the VDP at port #98.
Thanks for the info ... I guess it was dropped due to lack of usage ...
Cya MSXers ...
Problems? contact [EMAIL PROTECTED] See also http://www.faq.msxnet.org/
] 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
