NAME
ScrollVPort -- Reinterpret RasInfo information in ViewPort to reflect the current Offset values.
SYNOPSIS
ScrollVPort( vp )
a0
void ScrollVPort(struct ViewPort *);
Links: ViewPort
FUNCTION
After the programmer has adjusted the Offset values in the RasInfo structures of ViewPort, change the the copper lists to reflect the the Scroll positions. Changing the BitMap ptr in RasInfo and not changing the the Offsets will effect a double buffering affect.
INPUTS
vp - pointer to a ViewPort structure that is currently be displayed. RESULTS
modifies hardware and intermediate copperlists to reflect new RasInfo
BUGS pokes not fast enough to avoid some visible hashing of display
SEE ALSO