| PortRestore | Function (ROM Call 0x1A3)

graph.h

void PortRestore (void);

Cancels the virtual screen.

PortRestore restores factory defaults for address and dimensions of the video memory. PortRestore acts exactly like

    PortSet ((void *) 0x4C00, 239, 127);

Used by: GrayOff, MenuKey, MenuOff, MenuOn, MenuTopRedef, MenuTopSelect, ST_eraseHelp, ST_helpMsg, ST_modKey, ST_precision, WinBeginPaint, WinBitmapGet, WinBitmapPut, WinChar, WinEllipse, WinFill, WinFillLines2, WinFillTriangle, WinLine, WinLineExt, WinLineNC, WinLineTo, WinPixGet, WinPixSet, WinRect, WinScrollH, WinScrollV, ROM Call 0x412, ROM Call 0x421