┌ Quick Reference ─────────────────────────────── Characters & Codes ──────┐ │ DOS Functions QuickRef INTs & BIOS Services ASCII■Dec■Hex■Binary xRef│ │ DOS Interrupts BIOS Data Area Box & Special Characters │ │ DOS Error Codes IRQs: Hardware INTs ASCII Control Codes │ │ Service Groups I/O Port Map Character Set Matrix │ │ │ │ 80x86/87 Opcodes Cables & Pin Outs ANSI Escape Sequences │ └───────────────────────────────────────────────┐ │ ┌ Indexes ───────────────── DOS Fns ────────┐ │ Extended ASCII Keystrokes│ │ API Index by Category │ │ Keyboard Scan Codes │ │ Combined API Services by Number │ │ Keyboard Shift Flags │ │ CONFIG.SYS Commands by Version │ │ │ │ Data Structures Superseded Fns │ │ Screen Attributes │ │ General Index Obsolete Fns │ │ Color Table │ └───────────────────────────────────────────┘ └──────────────────────────┘ Overviews and Articles ──────────────────────────────────────────────────────────────█▌DOS kernel▐█ About DOS Functions File Attributes Absolute Disk I/O File Handles Accessing Upper Memory InDOS Flag Clean Boot Interactive Boot CONFIG.SYS Media Descriptor Critical Error Handler MultiConfig Menus Device Drivers Predefined Environment Variables DOS Environment Program Startup & Exit DOS Versions Standard I/O and I/O Redirection ErrorMode Flag System Startup Sequence EXE File Header Layout TECH Help! Data Structures File Allocation Table TSR/Popup Topics ─────────────────────────────────────────────────────────────█▌DoubleSpace▐█ DoubleSpace Overview DoubleSpace Compressed Volume File Layout DBLSPACE.INI Mapping DOS FAT to MDFAT Microsoft Real-Time Compression Interface (MRCI) Using a Compressed RAM Disk ───────────────────────────────────────────────────────█▌System Extensions▐█ APM: Power Management Windows Clipboard DPMI: Using DPMI Services Windows Enh386 Services & Notifications EMS: Expanded Memory VDD: Windows Virtual Display Device Mouse Support VxDs: Some Published VxD IDs Multiplex Interrupt Switcher API Overview XMS: Extended Memory ────────────────────────────────────────────────────────────█▌Video Topics▐█ Video Memory Layouts CGA: Color Graphics Adapter Video Font Definition EGA: Enhanced Graphics Adapter Video Services MDA: Monochrome Display Adapter Video Attributes VGA: Video Graphics Array Color Table SVGA: SuperVGA Display Adapters ─────────────────────────────────────────────────────────────█▌BIOS Topics▐█ AT Keyboard Keyboard Flags BIOS Data Area ROM-Scan Cables and Pin Outs Speaker Control CMOS Storage Layout Switch Settings Disk Partitions / MBR System Compatibility I/O Port Map System Startup Sequence IRQs: Hardware Interrupts -♦-