TRANSACTION TERMINAL DEVICE PROCESSING METHOD

PURPOSE:To process with high speed by dividing CPU into two; one for I/O control common to a user and the other for application according respective users. CONSTITUTION:An interface 13 is installed between buses of a CPU11 for I/O control and a CPU for application and a command, a status and data ar...

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1. Verfasser: SHIODA TAKUJI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To process with high speed by dividing CPU into two; one for I/O control common to a user and the other for application according respective users. CONSTITUTION:An interface 13 is installed between buses of a CPU11 for I/O control and a CPU for application and a command, a status and data are mutually transerred. A prescribed part of application for every user in a memory 14 under control of a CPU12 for application is transferred to a memory (buffer) 15 under control of CPU11 for I/O control by meand of DMA control. Adversely, the status of I/O31-33 and data of a result of procedures are transferred to the memory 14. Based upon this, a prescribed application program is executed.