microcoden.
/ˈmʌɪkrə(ʊ)kəʊd/, U.S. /ˈmaɪkroʊˌkoʊd/, /ˈmaɪkrəˌkoʊd/ Computing.
A microinstruction or sequence of microinstructions; microinstructions collectively, esp. those incorporated into a microprocessor.
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society > computing and information technology > programming language > program or code > [noun] > microprogramming > microcode
microprogram1953
microcode1958
1958 Communications Assoc. Computing Machinery 1 3 The present codes should be considered to be micro-codes.
1976 Science 7 May 516/3 It is possible with microcode to provide the IMP-16 with the capability of implementing special instructions.
1992 Computing 5 Nov. 3/3 Tandem fault-tolerant systems around the world were brought to a shuddering halt on Sunday by a bug in the microcode.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
microcodev.
/ˈmʌɪkrə(ʊ)kəʊd/, U.S. /ˈmaɪkroʊˌkoʊd/, /ˈmaɪkrəˌkoʊd/ Computing.
transitive. To program with microcode; to put into microcode.
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society > computing and information technology > programming language > program or code > [verb (transitive)] > microprogram
microprogram1957
microcode1981
1981 Science 1 May 531/2 Despite the similarity in name, microcoding is not unique to microcomputers; machines of all sizes may be microcoded or may not be.
1985 Datamation 1 May 35/2 Today the company is shipping thousands of lines of code for VM as well as microcoding its systems.
1986 Science 28 Feb. 977/2 One might expect that programming it [sc. the Connection Machine] would be similar in complexity to microcoding a uniprocessor.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1958
v.1981