if you're talking about how to write white on black, its simple. you just do: set 3,(iy+05) ; set text to white on black ld hl,&text ; point hl to text call D_ZT_STR ; write it res 3,(iy+05) ; set text to black on white text: .db "whatever",0 >Can anyone give me a simple overview of text inversion and how to use it? >(source code please!!!) > >-Gray