发明名称 |
Central processing unit for a digital computer |
摘要 |
A central processing unit for a digital computer. In one embodiment, the central processing unit comprises a plurality of pointer registers that may be used during instruction execution to directly address other registers. In a second embodiment, the central processing unit comprises a size register that is loaded during the decode of an operation code with a size code indicating the data path width for that operation code. During instruction execution, the size code may be used at various times to determine data path width.
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申请公布号 |
US4893235(A) |
申请公布日期 |
1990.01.09 |
申请号 |
US19880208844 |
申请日期 |
1988.06.16 |
申请人 |
DIGITAL EQUIPMENT CORPORATION |
发明人 |
BUTTS, JR., H. BRUCE;CUTLER, DAVID N.;SCHNORR, PETER C.;SHORT, ROBERT T. |
分类号 |
G06F9/22;G06F9/318;G06F9/34 |
主分类号 |
G06F9/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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