==CRT simulation==
[[File:Cpc shader mess.png|thumb|upright=1.5|GLSL shader example]]
[[File:Cpc hlsl shader mess detail.png|thumb|HLSL "1980s" shader (detail); MAME config used is on image description page]]
MAME can use shaders to simulate typical CRT graphics artifacts such as scanlines, colors bleeding into each other, jitter, and display curvature.