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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

MakeVPort MrgCop LoadView graphics/view.h