PAL-Timing scheme for a overscan raster line or blanked screen, no sprites: +---------------------------------------------------------------+ | 1 2 3 4 5 6 | |123456789012345678901234567890123456789012345678901234567890123|Cycles +---------[------(--------------------------------------)---]---+Borders |3-4-5-6-7-rrrrr++++++++++++++++++++++++++++++++++++++++--0-1-2-|Phi-1 VIC | |Phi-2 VIC |xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx|Phi-2 CPU +---------------------------------------------------------------+ "-" = idle bus cycle (reads from the last byte of the video bank) "+" = idle bus cycle (just like '-', but reads from video_bank_base_address + $39FFif ECM ($D011 bit 6) is selected) <num> = pointer fetch for sprite <num> ; r = memory refresh cycle x = processor executes instructions (BA high, AEC high)