Crazy Monitor idea for old Home Computers

Tony Duell ard at p850ug1.demon.co.uk
Mon Apr 25 18:26:21 CDT 2005


> Possibly the PAL version had only monochrome composite video; I
> wouldn't know.  The NTSC version definitely had color composite
> video.

I know that if you do the 50Hz video mod to the Apple ][ (as mentioned 
in the reference manual), the video output is no known stnadard. It's 
closer to NTSC than PAL (in that there's no carrier phase switch or 
anything like that), but the subcarrier frequency (IIRC) is nothing 
standard. 

Maybe PAL //gs's do the same sort of thing

-tony


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