Commodore 128 & Basic 8 problem!!!!

[andromeda1968]

Hi guys...nice forum...
I have a problem in these days with my C128.
I have a ROM BIN of Basic 8 Walrusoft for C128 in 80 column graphics.
you can put this chip in your C128 CR slot inside and when you press the shift key on a bootstrap the C128 start in Basic 8.......4 years ago circa...everything OK but now...the screen of the C128 start with characters unreadable and freeze the machine...WHY

With VICE emulator is the same INCREDIBLE the same error...is very strange !!!

help???   why???

Andromeda

Greetings from Milan Italy