Acorn Electron Advanced User Guide About this book This guide describes the facilities of the Acorn Electron in the detail required by the serious programmer, and acts as a supplement to the Acorn Electron User Guide Both the software and the hardware aspects of the Acorn Electron system are covered, and extensive indexing and cross-referencing make the information readily accessible. Among the many topics covered are: * *FX/OSBYTE calls * paged ROM software * the use of events and interrupts * programming the ULA * interfacing to the expansion bus * a complete memory map * a full circuit diagram Acornsoft Reference Number SBD25