=== ADB Summary ===

== Command Summary ==

a) formatted printing

|| ? format || print from ''a.out'' file according to format ||
|| / format || print from ''core'' file according to format ||
|| = format || print the value of dot ||
|| ?w expr  || write expression into ''a.out'' file ||
|| /w expr  || write expression into ''core'' file ||
|| ?l expr  || locate expression in ''a.out'' file ||

b) breakpoint and program control

|| :b || set breakpoint at dot ||
|| :c || continue running program ||
|| :d || delete breakpoint ||
|| :k || kill the program being debugged ||
|| :r || run ''a.out'' file under ADB control ||
|| :s || single step ||

c) miscellaneous printing

|| $b || print current breakpoints ||
|| $c || C stack trace ||
|| $e || external variables ||
|| $f || floating registers ||
|| $m || print ADB segment maps ||
|| $q || exit from ADB ||
|| $r || general registers ||
|| $s || set offset for symbol match ||
|| $v || print ADB variables ||
|| $w || set output line width ||

d) calling the shell

|| !  || call shell to read rest of line ||

e)   assignment to variables

|| >name || assign dot to variable or register name ||


== Format Summary ==

|| a     || the value of dot ||
|| b     || one byte in octal ||
|| c     || one byte as a character ||
|| d     || one word in decimal ||
|| f     || two words in floating point ||
|| i     || PDP 11 instruction ||
|| o     || one word in octal ||
|| n     || print a newline ||
|| r     || print a blank space ||
|| s     || a null terminated character string ||
|| nt    || move to next n space tab ||
|| u     || one word as unsigned integer ||
|| x     || hexadecimal ||
|| Y     || date ||
|| ^     || backup dot ||
|| "..." || print string ||


== Expression Summary ==

a) expression components

|| decimal integer || e.g. 256 ||
|| octal integer   || e.g. 0277 ||
|| hexadecimal     || e.g. #ff ||
|| symbols         || e.g. flag  _main  main.argc ||
|| variables       || e.g. <b ||
|| registers       || e.g. <pc <r0 ||
|| (expression)    || expression grouping ||

b) dyadic operators

|| + || add ||
|| - || subtract ||
|| * || multiply ||
|| % || integer division ||
|| & || bitwise and ||
|| | || bitwise or ||
|| # || round up to the next multiple ||

c) monadic operators

|| ~ || not ||
|| * || contents of location ||
|| - || integer negate ||