发明授权
- 专利标题: Read-modify-write operation
- 专利标题(中): 读 - 修改 - 写操作
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申请号: US303621申请日: 1989-01-27
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公开(公告)号: US5008886A公开(公告)日: 1991-04-16
- 发明人: Kumar Chinnaswamy , Michael A. Gagliardo , Paul M. Goodwin , John J. Lynch , James E. Tessari
- 申请人: Kumar Chinnaswamy , Michael A. Gagliardo , Paul M. Goodwin , John J. Lynch , James E. Tessari
- 申请人地址: MA Maynard
- 专利权人: Digital Equipment Corporation
- 当前专利权人: Digital Equipment Corporation
- 当前专利权人地址: MA Maynard
- 主分类号: G06F12/16
- IPC分类号: G06F12/16 ; G06F7/24 ; G06F11/10
摘要:
A method and apparatus for a read-modify-write operation in a digital computer memory system which reduces memory data path buffer storage requirements with a procedure which includes latching new write data and associated mask fields into a data output buffer and then merging read data with the new data in the output buffer according to the latched mask fields.
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