To change colors on Assembler debugger

From the Assembler debug window, press C (Color) to display the Color menu.

Select the part of the screen you want to change by pressing:

Select which part of the color to change by pressing:

B	Background. The background of the selected area cycles through eight colors as you press B repeatedly
F	Foreground. The foreground (that is, the text) of the selected area cycles through 8 colors as you press F repeatedly.
I	Intensity. The color of the selected area toggles between bright and dim as you press I repeatedly.

Press S (Save) to save these new settings or Esc to exit without saving.