1. Dos Tables

    1. Interrupts

    2. DOS functions

    3. DOS List formats

    4. DOS Error codes

    5. DOS Data Structures

  2. Ports, EMS

    1. I/O ports

    2. EMS Error codes

    3. Ansi control sequences

    4. ASCII Chart

    5. Line-Drawing Chars

    6. Special Characters

    7. Color Chart

    8. Keyboard Codes

  3. Hardware

    1. 8237A-5 DMA Controller

    2. 8259A Interrupt Controller

    3. 8253-5 Programmable Interval Timer

    4. 8255A-5 Programmable Peripheral Interface

    5. Serial Communication (RS-232)

    6. Net Bios

    7. Video

    8. Credits

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