GD_HVLine Function (ROM Call 0x178)

gdraw.h

void GD_HVLine (short Orientation);

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Uses: EV_defaultHandler, gr_active, ST_helpMsg, XR_stringPtr, GT_CursorKey, GT_DspFreeTraceCoords, GT_IncXY, GT_ValidGraphRanges, GT_WinBound, GT_WinCursor, MakeWinRect, WinDupStat, WinGetCursor, WinHeight, WinLine, WinMoveCursor, WinWidth