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Vscroll
Scroll a region of the display up or down.
Header File.....TCXLvid.h
Prototype.......VOID Vscroll(IntT d, VposT s, VposT e, IntT n, AtrT a);
Source File.....DSP\VSCROLL.ASM
Arguments.......d - Direction (0=down, 1=up)
s - Upper Left Corner
e - Lower Right Corner
n - Number of Lines to Scroll
a - Attribute (See Appendix A) to clear area to
Returns.........None.