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Method Of Writing Programmable Read Only Memories Disclosure Number: IPCOM000053492D
Original Publication Date: 1980-Jan-01
Included in the Prior Art Database: 2005-Feb-12

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Rogers, GS [+details]


A display terminal can use a microprocessor to control its various functions under microprogram control. Normally, the microcode would be contained in read-only storage (ROS), but it is useful if during development a programmable read-only memory (PROM) is used. In this way microcode can be written and tested before the ROS design is finalized.