Framerate

This needs scope measurements.

See Display timing for details.

=NTSC AES=


 * 1) 24.167829MHz main clock / 4 = 6.041957MHz pixel clock
 * 2) 6.041957MHz / 384 pixels per line = 15.734kHz horizontal rate
 * 3) 15.734kHz / 264 lines = 59.599 frames/second

=PAL AES=


 * 1) 24.167829MHz main clock / 4 = 6.041957MHz pixel clock
 * 2) 6.041957MHz / 384 pixels per line = 15.734kHz horizontal rate
 * 3) 15.734kHz / 312 lines = 50.429 frames/second

=MVS=


 * 1) 24.000000MHz main clock / 4 = 6.000000MHz pixel clock
 * 2) 6MHz / 384 pixels per line = 15.625kHz horizontal rate
 * 3) 15.625kHz / 264 lines = 59.1856 frames/second

=CD=

59.52Hz ?