Programmer's guide to the Hercules graphics cards /
Doty, David B.
Reading, Mass. ; Wokingham : Addison-Wesley Pub. Co.,
c1988.
On t.p. the registered trademark symbol "TM" is superscript following "Hercules" in the title.
Includes index.
Bibliography: p. [366]
Expansion boards (Microcomputers)
Computer graphics.