MacsBug
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MacsBug is a low-level debugger for the Motorola 68000 family of processors specifically for the Apple Macintosh. MacsBug is an acronym for Motorola Advanced Computer Systems Debugger, as opposed to Macintosh debugger.
MacsBug is a assembly language/machine-level debugger that could be invoked by hitting the Macintosh's "Programmer's Key" or, as it became later known, the "Interrupt Key" or by pressing "Command-Power". MacsBug offers many commands for disassembling, searching, and viewing data as well as control over processor registers. A later version of MacsBug came out that could work on the PowerPC instruction set architecture.
Users that stumble into MacsBug by accident need only to enter G and press return to escape from MacsBug.
The presence of MacsBug is indicated at startup; it is present if the user sees the text Debugger installed.
External links
- Apple's MacsBug page (http://developer.apple.com/tools/debuggers/MacsBug/)