Programming the 8086/8088

Acknowledgements                                           x
     Introduction                                              xi
          BASIC CONCEPTS                                       1
     1     What Is Programming? 2
           Flowcharting 3
           Information Representation 4
          INSIDE THE 8086/8088
     2     General Microprocessor System Architecture 28
                                                               27
           Inside a Microprocessor 30
           The General Instruction Cycle 34
           Internal Organization of the 8086/8088 37
           8086/8088 General Registers 39
           Additional Control Flags 42
           Summary 43
          8086/8088 MEMORY ORGANIZATION
     3    AND ADDRESSING MODES                                 47
           System Memory Organization of the 8086 48
           Aligned and Non-Aligned Words 51
           System Memory Organization of the 8088 52
           Address Generation with the 8086/8088 52
           8086/8088 Object Code 58
           Object Code for Indexing and Base Register Use 62
           Object Code Summary 62
           Summary 63
4   THE INSTRUCTION SET:
    INDIVIDUAL DESCRIPTIONS                             65
5   BASIC PROGRAMMING TECHNIQUES                       175
     Arithmetic Programs 176
     BCD Arithmetic 180
     Subroutines 188
     CALL-RETURN Mismatch 191
     Summary 193
    INTERRUPTS FOR THE 8086/8088                       195
6    What is an Interrupt? 196
     CPU Activity During the NMI Request 198
     The Interrupt Table 199
     INTR Input 202
     Internal Interrupts 203
     Resetting the 8086/8088 206
     Summary 208
7   INPUT/OUTPUT FOR THE 8086/8088  211
     What is Input and Output? 212
     liD Addressing 213
     Input Instruction 216
     Output Instruction 218
     8086 Input and Output Ports 219
     8088 Input and Output Ports 219
     Using an 8255 PIO Device with the 8086/8088 224
     Example of Keyboard Scanning 232
     Summary 238
8   MORE APPLICATIONS USING THE IBM
    PERSONAL COMPUTER                                  241
     BIOS (Basic liD System) 242
     BIOS Advantage 242
     Accessing Peripherals Using the BIOS 243
     Preamble for the Printer liD 246
     Keyboard Preamble 253
     RS-232 Preamble 256
               Program Definition 258
               Summary 261
               PROGRAM DEVELOPMENT                     263
       9       Programming Choices 264
               The Software Development Sequence 268
               Hardware Alternatives 269
               Summary of Hardware Resources 271
               The Assembler 271
               The Assembly Language 275
               Summary 279
               Conclusion 279
       Index                                           306