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RBDOC.TXT
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REVOLVING BORDER FOR THE UNEXPANDED VIC 20
This is and old program I found stashed away in the back of my disk
files. I wrote this program in 1986 and never did anything more with
it. It is free to the public but is NOT to be sold. Otherwise you
may use it however you want, and I would like to see it translated for
other Commodores (seeings how I'll manage to not find the time).
Revolving border is an interrupt driven routine written in machine
language. As written the program will create the border out of
reverse spaces and will rotate them through various colors. The
program resides in the cassette buffer and also a section in the top
page of BASIC memory. The system is activated by a SYS 828 and can be
de-activated by a SYS 831.
When I was writing this program I attempted to make it useable as an
add-on to any program. I decided to make it possible to change the
border characters on the top, bottom, and each side to any available
character. To change the characters along the top of the screen you
must change the 160 (the POKE nu