PORT #EFF7 BITS

18 Jul 98 Kirill Frolov, hoping that Everyone would read, wrote:

KF> I want to know all the bits for the subject port.
KF> I also remember that on this port there was a substitute
KF> ROM for RAM, so I also want to know.

I just wrote about this yesterday...

KF> There is a 512x192 mono mode. But in addition, you can also make
KF>
KF> 256x192 + 16 colors (1 byte) for 8 horizontal dots.
KF> Like
KF> multicolor, but all in hardware. The most interesting thing is that on
KF> most
KF> Soviet Spectrum-type computers do it very
KF> simply,
KF> even simpler than the 192x512 mode. The size of memory for the screen and
KF> organization
KF> is similar to the 512x192 mode. In short Yau1eZ 4e√eЯ !

KF> I'm interested in people's opinion on this matter, i.e. makes sense
KF> is it worth doing this on your computer or not?

I think it’s worth it. The main thing is that it is very simple. If the #EFF7 port was made (when the clock
or 512*192 was made), then the entire modification is one KP11. And the effect is significant.

All the best.
Roman.

KF> There is a 512x192 mono mode. But in addition, you can also make
KF>
KF> 256x192 + 16 colors (1 byte) for 8 horizontal dots.
KF> Like
KF> multicolor, but all in hardware. The most interesting thing is that on
KF> most
KF> Soviet Spectrum-type computers do it very
KF> simply,
KF> even simpler than the 192x512 mode. The size of memory for the screen and
KF> organization
KF> is similar to the 512x192 mode. In short Yau1eZ 4e√eЯ !