adventofcode2020/out14_b.txt at main · jrmdev1/adventofcode2020 · GitHub

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newaddress=26, val=100, bin=0b11010
float_cnt=2 floating=[0, 5]
2**float_cnt=4
mask=000000000000000000000000000000X1001X,  (newaddress=26)
incr=0, index=0, bitval=0
modnewAddr=26, val=100, bin=0b11010
incr=0, index=1, bitval=0
modnewAddr=26, val=100, bin=0b11010
incr=1, index=0, bitval=1
modnewAddr=27, val=100, bin=0b11011
incr=1, index=1, bitval=0
modnewAddr=26, val=100, bin=0b11010
incr=2, index=0, bitval=0
modnewAddr=26, val=100, bin=0b11010
incr=2, index=1, bitval=1
modnewAddr=58, val=100, bin=0b111010
incr=3, index=0, bitval=1
modnewAddr=27, val=100, bin=0b11011
incr=3, index=1, bitval=1
modnewAddr=58, val=100, bin=0b111010

newaddress=26, val=100, bin=0b 11010
                              X1001X
incr=0, index=0, bitval=0
modnewAddr=26, val=100, bin=0b 11010    0 0
incr=0, index=1, bitval=0
modnewAddr=26, val=100, bin=0b 11010    NO
incr=1, index=0, bitval=1
modnewAddr=27, val=100, bin=0b 11011    0 1
incr=1, index=1, bitval=0
modnewAddr=26, val=100, bin=0b 11010    NO
incr=2, index=0, bitval=0
modnewAddr=26, val=100, bin=0b 11010    1 0
incr=2, index=1, bitval=1
modnewAddr=58, val=100, bin=0b111010    NO
incr=3, index=0, bitval=1
modnewAddr=27, val=100, bin=0b 11011    1 1   <<<<--- this one fails to read bit 0
incr=3, index=1, bitval=1
modnewAddr=58, val=100, bin=0b111010    NO

three indexes: incr bin 00 to 11, digit bit 0 to 3,
float_cnt=2 floating=[0, 5]
2**float_cnt=4
mask=00000000000000000000000000X1001X,  (newaddress=26)
incr=0, index=0, bitval=0
incr=0, index=1, bitval=0
modnewAddr=26, val=100, bin=0b  11010
incr=1, index=0, bitval=1
incr=1, index=1, bitval=0
modnewAddr=26, val=100, bin=0b  11010  fail?
incr=2, index=0, bitval=0
incr=2, index=1, bitval=1
modnewAddr=58, val=100, bin=0b 111010
incr=3, index=0, bitval=1
incr=3, index=1, bitval=1
modnewAddr=58, val=100, bin=0b 111010  fail