PART VI
THEORY OF OPERATIONS
CONTENTS
VI-1. General .......................................................................................................... 43
VI-2. Main P.C.B. .................................................................................................... 45
CPU.................................................................................................. 48
Memory Map ..................................................................................... 53
Memory............................................................................................. 54
System Bus ....................................................................................... 60
DMAC ........... .................................................................................... 63
VI-2-13. PPI .................................................................................................... 73
VI-3. Keyboard Unit ................................................................................................. 80
VI-5. Power Supply Unit .......................................................................................... 114
41