2.1 Introduction2.2 Register Architecture2.3 Memory Addressing2.4 8085 Addressing Modes2.5 8085 Instruction Set2.6 Timing Methods2.7 8085 Pins and Signals2.8 8085 Instruction Timing and Execution2.8.1 Basic System Timing2.8.2 8085 Memory READ (IO/M = 0, RD = 0) and I/O READ (IO/M = 1, RD =_0)2.8.3 8085 Memory WRITE (IO/M = 0, WR = 0) and I/O WRITE (IO/M = 1, WR = 0)2.9 8085 Input/Output (I/O)2.9.1 8085 Programmed I/O2.9.1.a 8355/8755 I/O Ports2.9.1.b 8155/8156 I/O Ports2.9.2 8085 Interrupt System2.9.3 8085 DMA2.9.4 8085 SID and SOD Lines2.10 8085-Based System DesignQuestions and Problems