Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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   @B operand                Local Code Labels
    BASIC calling convention Definition of Language Type
    BCD arithmetic           Binary Coded Decimal Coprocessor Instructions
                             Binary Coded Decimal Processor Instructions
    BIOS interrupts          BIOS Function Calls
    bit operations           Processor Boolean and Shift Instructions
    bitwise
       logical operators     Logical and Shift Operators
    BOUND instruction        Check Array Bounds
    braces                   Declare Record ({}) Operator
   .BREAK directive          Exit Iterative Directives
    BSF instruction          Bit Scan Forward
    BSR instruction          Bit Scan Reverse
    BSWAP instruction        Byte Swap
    BT instruction           Bit Test
    BTC instruction          Bit Test (Complement)
    BTR instruction          Bit Test (Reset)
    BTS instruction          Bit Test (Set)
    BYTE directive           Declare Variables (Byte)
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