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base:detect_pal_ntsc

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base:detect_pal_ntsc [2018-10-29 10:50]
mrr19121970 [Sokrates' variant]
base:detect_pal_ntsc [2019-05-15 20:11] (current)
silverdr [Detect NTSC/PAL]
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 ====== Detect NTSC/PAL ====== ====== Detect NTSC/PAL ======
  
-Since you cannot rely on $02a6 to detect NTSC/PAL, you better do the check yourself. The theory behind these checks is simply that PAL and NTSC systems have different amounts of rasterlines,​ which can thus serve as the basis for a detection check. +Since you cannot rely on $02a6 to detect NTSC/PAL, you better do the check yourself. The theory behind these checks is simply that PAL and NTSC systems have different amounts of rasterlines,​ which can thus serve as the basis for a detection check. ​For alternative approach, especially useful if you also need to use TOD, check [[efficient_tod_initialisation|Efficient TOD initialisation]] page.
 ===== J0x variant ===== ===== J0x variant =====
  
base/detect_pal_ntsc.txt · Last modified: 2019-05-15 20:11 by silverdr