DEFINITION MODULE DisplayDriver; (*J. Gutknecht, 19.10.84*)
  FROM Frames IMPORT FramePointer;

TYPE BMDescriptor = RECORD f, g, h, k: CARDINAL END;

VAR BMD: BMDescriptor;

PROCEDURE BuildBMD(bma: FramePointer; wid, height: CARDINAL; VAR bmd: BMDescriptor);
PROCEDURE ScreenWidth (): CARDINAL;
PROCEDURE MapHeight (): CARDINAL;
PROCEDURE LineHeight (): CARDINAL;
PROCEDURE CharWidth (): CARDINAL;
PROCEDURE DFF (): CARDINAL;

END DisplayDriver.