diff --git a/frontends/sdl/res/test/blargg/cpu/cpu_instrs.png b/frontends/sdl/res/test/blargg/cpu/cpu_instrs.png
index 7921bebece0c3629f50608e192834066e677cd9e..908b8e21f31a015138d6ab79f06a4c97e1408eeb 100644
Binary files a/frontends/sdl/res/test/blargg/cpu/cpu_instrs.png and b/frontends/sdl/res/test/blargg/cpu/cpu_instrs.png differ
diff --git a/frontends/sdl/res/test/blargg/instr_timing/instr_timing.png b/frontends/sdl/res/test/blargg/instr_timing/instr_timing.png
index d85cf59f0afbf194a9459807cfc397c226556e61..1475811e8032bad12152aa6faf0c8932dca2ba12 100644
Binary files a/frontends/sdl/res/test/blargg/instr_timing/instr_timing.png and b/frontends/sdl/res/test/blargg/instr_timing/instr_timing.png differ
diff --git a/frontends/sdl/res/test/cgb_acid2.png b/frontends/sdl/res/test/cgb_acid2.png
index 6d23ed4468bb4e3fc45019b1ac6fb7aea4642067..3b989a7db229981bcd5979163b9f76fb8f0847f2 100644
Binary files a/frontends/sdl/res/test/cgb_acid2.png and b/frontends/sdl/res/test/cgb_acid2.png differ
diff --git a/frontends/sdl/res/test/dmg_acid2.png b/frontends/sdl/res/test/dmg_acid2.png
index 325e8223f2f526db4a18dc258d48121745e3998e..c2737faa197a4fc0079ac18291e74ced342bf195 100644
Binary files a/frontends/sdl/res/test/dmg_acid2.png and b/frontends/sdl/res/test/dmg_acid2.png differ
diff --git a/frontends/sdl/res/test/firstwhite.png b/frontends/sdl/res/test/firstwhite.png
index b763f1524a054b247112e510bc2d5bfb3f894964..3e476b770a63bbb40856fe1ccdc4efb08fcd5d75 100644
Binary files a/frontends/sdl/res/test/firstwhite.png and b/frontends/sdl/res/test/firstwhite.png differ