Apple IIgs Firmware Reference

This is the firmware reference manual for the Apple IIGS computer. It is for hardware designers and programmers who want to work with the system firmware in lieu of using the Apple IIGS Toolbox routines to accomplish similar goals. As part of the Apple IIGS technical suite of manuals, the Apple IIGS Firmware Reference covers the design and function of that drives the Apple IIGS. It provides information about the entry points for the firmware and describes the firmware functions and limitations.