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Showing posts from February, 2023

sequential (20) toggle

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  https://kamchihau.blogspot.com/2023/02/sequential-7.html . Ref:  https://wodewangzhishime.blogspot.com/2023/02/httpswodewangzhishime.html . There're 5 conditions on which left or right shift doesn't work. . 1) The latch is being preset and clear. 2) The latch is feedbacking. 3) The latch is being level-trigger. 4) The flip flops is at the stage of toggling. 5) The commutator is idle (no up , no down) . John: We mention condition_4. . .If you input 1-1 to J-K, Q and -Q toggle. Me: In this case, no left shift, no right shift.

sequential (25) load shift line

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  https://kamchihau.blogspot.com/2022/12/tom-actually-how-many-people-in-hackers.html . . Ref: https://kamchihau.blogspot.com/2022/09/httpskamchihau_22.html   . For (i = 0; I <60; i++)   { Sum = sum + i; } . _____ . Subject [for_loop] Object [Sum] Interrupt_status [serial_input_line] Load_Shift_status [ shifting ] Parallel_output [disable] . John : The for_loop register must grant the sum register the status of shifting. Me: If for_loop register doesn't grant the sum register the status of shifting, the sum register can't be serial input.