Assigning Values - Numbers

• Are sized or unsized: <size>‘<base format><number>

  • Sized example: 3’b010 = 3-bit wide binary number
    • The prefix (3) indicates the size of number
  • Unsized example: 123 = 32-bit wide decimal number by default
    • Defaults
      • No specified <base format> defaults to decimal
      • No specified <size> defaults to 32-bit wide number

• Base Format:

  • Decimal (‘d or ‘D) 16’d255 = 16-bit wide decimal number
  • Hexadecimal (‘h or ‘H) 8’h9a = 8-bit wide hexadecimal number
  • Binary (‘b or ‘B) ’b1010 = 32-bit wide binary numer
  • Octal (‘o or ‘O) ‘o21 = 32-bit wide octal number

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