Branch instruction execution device and computer program product

A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and low system cost, while enjoying the advantage of simplification of the instruction decoding as in the RISC machine having a fixed length instruct...

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Main Authors FUJITA, SHUYA, SUGAWARA, TADAHIKO, KAWASAKI, SHUMPEI, ASANO, YOICHI, NOGUCHI, KOKI, CHAKI, HIDEAKI, KURAKAZU, KEIICHI, KIHARA, TOSHIMASA, SAWA, NORIKO, TSUKAMOTO, TAKASHI, MASUMURA, SHIGEKI, ISHIDA, KATSUHIKO, BABA, SHIRO, TAWARA, YASUHIRO, SAKAKIBARA, EIJI, YAMAZAKI, TAKANAGA, KAINAGA, MASAHIRO, FUKADA, KAORU, KASHIWAGI, YUGO, AKAO, YASUSHI
Format Patent
LanguageEnglish
French
German
Published 15.09.2004
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and low system cost, while enjoying the advantage of simplification of the instruction decoding as in the RISC machine having a fixed length instruction format of the prior art, by adopting an instruction format of a fixed length of 2n bits which is smaller than the length of the maximum data word fed to instruction execution means. The control of the coded division is executed by noting the code bits.
AbstractList A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and low system cost, while enjoying the advantage of simplification of the instruction decoding as in the RISC machine having a fixed length instruction format of the prior art, by adopting an instruction format of a fixed length of 2n bits which is smaller than the length of the maximum data word fed to instruction execution means. The control of the coded division is executed by noting the code bits.
Author YAMAZAKI, TAKANAGA
ISHIDA, KATSUHIKO
CHAKI, HIDEAKI
NOGUCHI, KOKI
SUGAWARA, TADAHIKO
FUJITA, SHUYA
MASUMURA, SHIGEKI
TAWARA, YASUHIRO
KIHARA, TOSHIMASA
KASHIWAGI, YUGO
BABA, SHIRO
TSUKAMOTO, TAKASHI
KAWASAKI, SHUMPEI
KAINAGA, MASAHIRO
ASANO, YOICHI
SAKAKIBARA, EIJI
FUKADA, KAORU
SAWA, NORIKO
AKAO, YASUSHI
KURAKAZU, KEIICHI
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– fullname: AKAO, YASUSHI
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DocumentTitleAlternate Vorrichtung und Rechnerprogrammprodukt zur Ausführung von Verzweigungsbefehlen
Dispositif et progiciel pour l'exécution d' instructions de branchement
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Snippet A microcomputer MCU adopting the general purpose register method is enabled to have a small program capacity or a high program memory using efficiency and low...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Branch instruction execution device and computer program product
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