Den Tue, 7 Nov 2017 15:13:43 +0000 skrev smf <smf@null.net>: > On 06/11/2017 16:13, Mia Magnusson wrote: > > > Atleast on the oldest Amigas, I.E. A1000 and the first A2000, the > > 28MHz switch/input stuff is handled by discrete logic and there is > > no way for Agnus to see where the 28MHz clock comes from. > > I wrote another post, but it seems like hsync/vsync can be provided > externally and kickstart detects it by disabling the internal > generation and seeing if registers change. I'm not sure what happens > if you start driving it externally after kickstart has detected there > is no genlock (i.e. if you boot up and don't have a tape playing in > vcr & the genlock doesn't provide a backup source). I assume that a genlock has it's own freerunning oscillators, much like how most CRT monitors/TV's work. -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies. Message was sent through the cbm-hackers mailing listReceived on 2017-11-08 16:03:13
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