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Function RTDisplayScroll

Function RTDisplayScroll scrolls an arbitrary area of the screen up one line:

void RTDisplayScroll(int Col, int Row, int Cols, int Rows, WORD Blank);

Parameters

Col

Column of the upper left hand corner of the rectangle to scroll.

Row

Row of the upper left hand corner of the rectangle to scroll.

Cols

Number of columns to scroll.

Rows

Number of rows to scroll.

Blank

A character to display using RTDisplayCharAt on the empty line at the bottom on the scrolled rectangle.

Function RTDisplayCharAt

Function RTDisplayClear