« on: May 30, 2011, 05:01:49 PM »
I believe the 2000's composite output is in B&W.
Correct. Couple that with A2000s being either PAL or NTSC and you end up with the rolling screen.
My A2000 was originally NTSC, but had the PAL/NTSC Agnus and with the aid of a scaple it was quick to convert from one to the other and a jumper could reverse the process if necessary.

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A2000, A3000, 2 x A1200T, A1200, A4000Tower & Mediator, CD32, VIC-20, C64, C128, C128D, PET 8032, Minimig & ARM, C-One, FPGA Arcade... and AmigaOne X1000.