Merge pull request #13 from sjlongland/bugfix/robot-bw-timings

modespec: Correct timings for Robot 8 B/W

modespec.c

@@ -198,8 +198,8 @@ _ModeSpec ModeSpec[] = {
     .SyncTime     = 7e-3,
     .PorchTime    = 0e-3,
     .SeptrTime    = 0e-3,
-    .PixelTime    = 0.188e-3,
-    .LineTime     = 67e-3,
+    .PixelTime    = 0.1871875e-3,
+    .LineTime     = 66.9e-3,
     .ImgWidth     = 320,
     .NumLines     = 120,
     .LineHeight   = 2,