Footnotes

* Owing to a bug in early versions of ADB (including the version distributed in Generic 3 UNIX) these statements must be written as:
settab+4:b settab,5?ia;0
getc+4,3:b main.c?C;0
settab+4:b settab,5?ia; ptab/o;0
Note that ;0 will set dot to zero and stop at the breakpoint.