vim, 74 bytes

Result

WA

Code [DL]

00000000  22 61 78 22 62 78 22 63  78 22 64 78 22 65 78 22  |"ax"bx"cx"dx"ex"|
00000010  66 78 22 67 78 22 68 73  12 3d 40 61 2a 31 32 38  |fx"gx"hs.=@a*128|
00000020  2b 40 62 2a 36 34 2b 40  63 2a 33 32 2b 40 64 2a  |+@b*64+@c*32+@d*|
00000030  31 36 2b 40 65 2a 38 2b  40 66 2a 34 2b 40 67 2a  |16+@e*8+@f*4+@g*|
00000040  32 2b 40 68 0d 0a 5a 5a  0d 0a                    |[email protected]..|
0000004a

Disassembly

"ax"bx"cx"dx"ex"fx"gx"hs<C-R>=@a*128+@b*64+@c*32+@d*16+@e*8+@f*4+@g*2+@h<CR><NL>ZZ<CR><NL>

stdin

01100011
11111101
01101011
00000000
10110101
10010101
10001000
11100111
01011011
00100100
00000110
01000000
01111000
00101101
11010010
01001110
00001010
10101101
10111110
00001111
11011011
01011000
01101001
11001010
00001001
11100101
00101101
10101000
00000011
11011111
10001101
01000010
11111010
00011100
10011000
01111100
00000110
11110010
10101010
10000001
10010010
00000001
00010101
00110111
10011001
11001011
10101011
01100111
00111011
10110111

stdout

01100011
11111101
01101011
00000000
10110101
10010101
10001000
11100111
01011011
00100100
00000110
01000000
01111000
00101101
11010010
01001110
00001010
10101101
10111110
00001111
11011011
01011000
01101001
11001010
00001001
11100101
00101101
10101000
00000011
11011111
10001101
01000010
11111010
00011100
10011000
01111100
00000110
11110010
10101010
10000001
10010010
00000001
00010101
00110111
10011001
11001011
10101011
01100111
00111011
10110111

stderr

strace