.WORD or .DW

Directives that specify the 16-bit values of the resulting code. According to Convention 6502, a least significant byte is placed first, followed by the most significant byte.

Syntax:

[<label>[:]] .DW expr {  , expr }
[<label>[:]]  .WORD expr { , expr }

Example:

alpha:    .DW $1234, 0    ; will generate $34, $12, 0, 0
beta:     .WORD alpha
          .WORD alpha-1, beta