The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1995
Filed:
May. 13, 1992
Dali Liu, Beijing, CN;
Duosi Software Co., Ltd., Beijing, CN;
Abstract
The present invention relates to a macro instruction set computer (MISC) architecture having main memory for storing system softwares of the computer, instructions, and user programs; first memory for storing preparatory data for operations, intermediate results of operations and the final results of completed operations, and operating in stack form; second memory for storing the break point address of subprograms and address for recovery of the break point while returning from a call, and operating in stack form; a CPU having: address management for the main memory; main memory data port for receiving instructions and data from main memory and writing data in the CPU into main memory; control logic combinational decoding for decoding instructions from main memory and generating control signals controlling the operations of the computer; ALU for performing arithmetic and logic operation functions; top of stack, next to the top of stack and the third one to the top of stack register of the first memory; top of stack register and instruction repeating execution control of the second memory; management device for the first and second memory for performing operations of writing to and reading from the first and second memory.