Customizing the Editor for Assembler

Assembler Text Editor General Page
Assembler Editor Margins Options
You can use the settings in Tools > Options > Text Editor > Assembler and on the Margins page to display the margins and the ruler.
Assembler Editor Scroll Bars
The preferences page, in Tools > Options > Text Editor > Assembler > Scroll Bars enables you to configure the behavior of the scroll bars in the IDE.
Assembler Text Editor Tab Page

Parent topic: About Creating, Editing and Navigating Source Code