mouse cursor corrupts chars under syscons

[Christoph Mallon]

Christoph Mallon schrieb:
> What actually happens depends on two registers in the video 
> card, which represent a range. You can set them so that char 213 till 
> 234 (just random example) have their 8th column repeated to the 9th and 
> all others have a black 9th column.

I remembered some details wrong. The range of chars, which get their 8th 
column repeated, is always 0xC0 till 0xDF. There is just one bit to 
completely deactivate repeating the 8th column.