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Method and apparatus for clearing the memory of a video computer

  • US 4,720,819 A
  • Filed: 12/30/1983
  • Issued: 01/19/1988
  • Est. Priority Date: 12/30/1983
  • Status: Expired due to Term
First Claim
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1. A method of initializing a video-type system or the like having processor means, memory means, and a video display, said memory means having a plurality of memory cells arranged in rows and columns and having serial register means coupled to said columns, comprising:

  • deriving a plurality of predetermined data signals in said processor means, storing said derived signals serially in said serial register means in a predetermined sequence,selecting one of said rows of memory cells in said memory means, andtransferring each of said stored data signals from said serial register means to corresponding ones of said cells in said selected row.

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