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Back to forum Reply to this topic Go to last reply Posted By Boray on 2014-12-31 18:20:45  TV input lag test program TV input lag V1.0 For Unexpanded or expanded Vic-20, C64, C128, Plus/4, C16 or C116. This video explains it all: http://www.youtube.com/watch?v=Stb8sY4Q8Io Download: http://www.boray.se/commodore/lag.prg Happy New Year! Boray Posted By JamesC on 2015-01-01 10:37:32  Re: TV input lag test program Works fine on a 1541. On a 1551, the disk drive light comes on about half a second late, but still goes off in time with the border. It would be a good idea to remind the user to have a formatted disk in the drive. Otherwise the drive flashes an error (74, Drive Not Ready) that is not synchronized to the border change. Also, since the entire screen is not blanked (at least on a Plus/4 or in your video on YouTube), you may want to change "screen" to "border" in line 60. Posted By Boray on 2015-01-01 16:35:18  Re: TV input lag test program Thanks for the feedback! Good that I wrote that it would be most accurate to watch when the led goes off then. I've tried it with a SD2IEC with a Plus/4 as well. Back to top Reply to this topic Copyright © Plus/4 World Team, 2001-2024