Altirra Atari 800/XL screen mode setting

View 

- Filter Mode : Bilinear

- Stretch Mode : Preserve Aspect Ratio

- Overscan Mode : Normal, Vertical Overide - Full (With Blanking)

- Adjust Color

- Adjust Screen Effects - Scanline Intensity

 

 

 

 

System > Configure System

- Scanline

- Artifact

- Color or Monochrome