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Port connection for 80 column expander?

By Guseco

Expert (68)

Аватар пользователя Guseco

08-06-2011, 11:20

Hi all,
Does anyone of us know ports connection of SVI-727 80 column extension?

A think that is different for the usual 98h-9Fh for common VDP MSX1?

I will much appreciate your comments,

Guseco <:3)~~~

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By Manuel

Ascended (19332)

Аватар пользователя Manuel

08-06-2011, 21:25

According to the source code of blueMSX, it's port 0x78 and 0x79. But it's not a V9938 or so...

By Guseco

Expert (68)

Аватар пользователя Guseco

09-06-2011, 09:48

A lot of thanks manuel
I'll see

Best regards,

Guseco

By Guseco

Expert (68)

Аватар пользователя Guseco

09-06-2011, 13:26

I think that SVI-727 has an Hitachi HD6845 controler same as Motorola MC6845 used in Amstrad CPC

Does anyone know how to program it?

A lot of thanks,

Guseco <:3)~~~