Electrical computers and digital data processing systems: input/ – Input/output data processing – Input/output command process
Reexamination Certificate
2008-06-20
2009-11-10
Tsai, Henry W. H. (Department: 2184)
Electrical computers and digital data processing systems: input/
Input/output data processing
Input/output command process
C710S006000, C710S007000, C710S020000, C710S021000, C710S024000, C712S034000, C712S035000, C712S226000, C719S313000, C719S328000
Reexamination Certificate
active
07617334
ABSTRACT:
In the host, an IP issues CCW, and a CH encodes the CCW and a CCW chain by the encode program to create a code including the description of controlling a conditional branch with the DKC and transmits the code to a PORT in the DKC. In the DKC, the PORT decodes the code by the decode program, and a CP sequentially processes each command obtained by the decoding and returns a return code representing the end state of the processing. The host receives the return code to recognize the end state of the processing.
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Hiramatsu Shinichi
Ichikawa Takuya
Kurokawa Isamu
Muto Junichi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Sun Michael
Tsai Henry W. H.
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