Using the direct addressing mode to access exported symbols

Symbols, which are exported using the XDEF.B directive, will be accessed using the direct addressing mode. Symbols which are exported using XDEF are accessed using the extended addressing mode.

Listing: Using direct addressing to access exported symbols


     XDEF.B DirLabel
     XDEF   ExtLabel

...

     LDA    DirLabel ; Direct addressing mode is used.

...

     LDA    ExtLabel ; Extended addressing mode is used.