Written by Berkeley Softworks, the creator of GEOS, The Official GEOS Programmer's Reference Guide is definitive reference material for those who program under this new environment. This book provides you with all commands, memory maps, and other pertinent reference materials needed to successfully program in this new environment, and describes in detail the input and printer drivers for some of the more popular devices. Learn everything you need to know about GEOS, including:
■ Hi-Res Bit-Map Mode—Redefining the Commodore 64 screen for GEOS.
■ Display Buffering—Managing the screen display under tight memory constraints.
■ Input Drivers—Using the mouse to control your program.
■ Variable Length Indexed Record (VLIR)—Breaking u p files into records to speed up data movement.
■ Disk Turbo—Speeding up disk access time for better memory control.
■ All this and much more.

Submitted by ecbm The Official GEOS Programmers Reference