Windows 1.0x [don't ask...], using the debugger to locate program
problems. The command "dw <address>" displayed memory (Display Word),
but the keyboard was slow to respond in command mode, and sometimes this
was seen as "w <address>". 'w' (Write) overwrote a portion of the
program file :-( .
...in command mode, every keystroke did something potentially dangerous...
Themed Olympus Photo Exhibition: http://www.tope.nl/