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Sinclair Spectrum
- Spectrum OS
  - Memory Map
    - +2A/+3
    - 128K/+2
    - 48K
    - Basic
  - OS Calls
    - Calculator
    - CLS
    - Coll Char
    - ERROR
    - Make BC Spaces
    - Mask Interrupt
    - PRINT_A
    - START
  - Screen
    - Display File
    - Attributes
  - System variables
  - Basic
    - Basic Tokens
  - +3DOS
    - Essential API
      - Initialise
      - Version
      - Open
      - Close
      - Abandon
      - Ref Head
      - Read
      - Write
      - Read Byte
      - Write Byte
      - Catalog
      - Free Space
      - Delete
      - Rename
      - Boot
      - Set Drive
      - Set User
    - Additional API
      - Get Pos
      - Set Pos
      - Get EOF
      - Get 1346
      - Set 1346
      - Flush
      - Set Access
      - Set Attrs
      - Open Drive
      - Set MSG
      - REF XDPB
      - Map B
    - Low Level API
      - Interface
      - Init
      - Setup
      - Set Retry
      - Read Sector
      - Write Sector
      - Check Sector
      - Format
      - Read ID
      - Test Disk
      - Login
      - Sel Fmt
      - Ask 1
      - Drive Stat
      - Equipment
      - Enocde
      - L XDPB
      - L DPB
      - L Seek
      - L Read
      - L Write
      - L On Motor
      - L T Off Motor
      - L Off Motor
    - File Header
    - Error Codes
  - reference
    - API by Address
    - API by Name
    - include
      - BeebASM
        
        api
        
        headers
      - ZAsm
        
        api
        
        headers
- File Formats
  - TAP
- Machine Code
  - Loaders
    - TAP
      - BASIC Loader
  - Screen
  - System Type

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include

BeebASM

Files for the BeebASM assembler

ZAsm

Files for the ZAsm assembler

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