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A machine code monitor (a.k.a. machine language monitor) is software that allows a user to enter commands to view and change memory locations on a computer, with options to load and save memory contents from/to secondary storage. Some full-featured machine code monitors provide detailed control ("single-stepping") of the execution of machine language programs (much like a debugger), and include absolute-address code assembly and disassembly capabilities.

Attributes	Values
rdf:type	software
rdfs:label	Machine code monitor (en)
rdfs:comment	A machine code monitor (a.k.a. machine language monitor) is software that allows a user to enter commands to view and change memory locations on a computer, with options to load and save memory contents from/to secondary storage. Some full-featured machine code monitors provide detailed control ("single-stepping") of the execution of machine language programs (much like a debugger), and include absolute-address code assembly and disassembly capabilities. (en)
sameAs	Machine code monitor Machine code monitor
dbp:wikiPageUsesTemplate	dbt:Aka dbt:Cn dbt:Short_description
Subject	Microcomputer software Memory management software
gold:hypernym	Software
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Machine_code_monitor?oldid=1033824684&ns=0
Wikipage page ID	357063 (xsd:integer)
page length (characters) of wiki page	3581 (xsd:nonNegativeInteger)
Wikipage revision ID	1033824684 (xsd:integer)
Link from a Wikipage to another Wikipage	Machine code Processor register Assembly language Microcomputer software Disassembler Zenith Z-89 Debugger Debugging Commodore 128 Computer Computer data storage Computer program Home computer Microprocessor Software Memory management software Firmware Hacker culture Interrupt Interrupts in 65xx processors Memory address Patch (computing) MOS Technology 6502
has abstract	A machine code monitor (a.k.a. machine language monitor) is software that allows a user to enter commands to view and change memory locations on a computer, with options to load and save memory contents from/to secondary storage. Some full-featured machine code monitors provide detailed control ("single-stepping") of the execution of machine language programs (much like a debugger), and include absolute-address code assembly and disassembly capabilities. Machine code monitors became popular during the home computer era of the 1970s and 1980s and were sometimes available as resident firmware in some computers (e.g., the built-in monitors in the Commodore 128, Heathkit H89 and Zenith laptops). Often, computer manufacturers rely on their ROM-resident monitors to permit users to reconfigure their computers following installation of upgrade hardware, such as expanded main memory, additional disk drives, or different video displays. It was not unheard of to perform all of one's programming in a monitor in lieu of a full-fledged symbolic assembler. Even after full-featured assemblers became readily available, a machine code monitor was indispensable for debugging programs. The usual technique was to set break points in the code undergoing testing (e.g., with a BRK instruction in 6502 assembly language) and start the program. When the microprocessor encountered a break point, the test program would be interrupted and control would be transferred to the machine code monitor. Typically, this would trigger a register dump and then the monitor would await programmer input. Activities at this point might include examining memory contents, patching code and/or perhaps altering the processor registers prior to restarting the test program. The general decline of scratch-written assembly language software has made the use of a machine code monitor somewhat of a lost art. In most systems where higher-level languages are employed, debuggers are used to present a more abstract and friendly view of what is happening within a program. However, the use of machine code monitors persists, especially in the area of hobby-built computers. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Machine_code_monitor
is Wikipage redirect of	Machine-language monitor Machine language monitor Debug Monitor ML monitor
is Link from a Wikipage to another Wikipage of	Machine code Machine-language monitor Machine language monitor AIM-65 Action! (programming language) Ampersand Apple I Apple II Atari Assembler Editor BASIC interpreter Monitor Dick Smith Super-80 Computer Jim Butterfield Nascom (computer kit) DAI Personal Computer Debug Monitor KIM-1 Code injection Commodore 128 Commodore 1541 Commodore 64 peripherals Commodore BASIC Commodore Plus/4 Compucolor Micro-Professor MPF-I Microprocessor development board Epson HX-20 Epyx Fast Load Functional verification GEC 2050 Galaksija (computer) Galaksija Plus Galeb (computer) IDEDOS Exidy Sorcerer Fast loader Integer BASIC Interrupts in 65xx processors Mensch Computer MEK6800D2 MOS Technology 6502 ML monitor
is operating system of	Apple I Dick Smith Super-80 Computer
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Machine_code_monitor

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