R/W ADDR DATA
1 1   C00B B5      LDA $20,X  X=$80
2 1   C00C 20
3 1   0020 00
4 1   00A0 00

1 1   C00B 20      JSR $C011
2 1   C00C 11
3 1   01FD C0
4 0   01FD C0
5 0   01FC 0D
6 1   C00D C0

1 1   C00F 60      RTS
2 1   C010 00
3 1   01FB 47
4 1   01FC 08
5 1   01FD C0
6 1   C008 C0

1 1   C009 48      PHA
2 1   C00A 68
3 0   01FD 00

1 1   C00A 68      PLA
2 1   C00B 4C
3 1   01FC 1A
4 1   01FD 00

1 1   C009 F0      BEQ $C00C (taken)
2 1   C00A 01
3 1   C00B 4C

1 1   C00B 4C      JMP $C006
2 1   C00C 06
3 1   C00D C0

1 1   C006 8D      STA $DE00
2 1   C007 00
3 1   C008 DE
4 0   DE00 00

1 1   C00F 9F A=$FF X=$7F Y=$FF
2 1   C010 80
3 1   C011 C1
4 1   C17F 00
5 0   427F 42 1 bits on data a little lower than normal

1 1   C013 13 Y=$FF
2 1   C014 FB
3 1   00FB 80
4 1   00FC C1
5 1   C17F 00
6 1   C27F 00
7 0   C27F 00
8 0   C27F 00

x2 instructions:
data $ff (weak)
address $ffff
r/w 1

1 1   C009 14 X=$7F
2 1   C00A 01
3 1   0001 37
4 1   0080 2F

1 1   C0C9 F0      BEQ $C110 (taken)
2 1   C0CA 45
3 1   C0CB FF
4 1   C010 00

1 1   C015 81      STA ($7E,X)  X=$80, A=$C1
2 1   C016 7E
3 1   007E B0
4 1   00FE 00
5 1   00FF C1
6 0   C100 C1

1 1   C00F 60      RTS
2 1   C010 00
3 1   01FB 47
4 1   01FC 08
5 1   01FD C0
6 1   C008 C0