System for excuting a program-call instruction in a computer

Details System for excuting a program-call instruction in a computer System for excuting a program-call instruction in a computer

1977-07-11

1978-12-05

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 900

Patent

active

041288785

ABSTRACT:
A computer system having a "program call instruction" which enables the use of a common program in a plurality of main program systems. The program call instruction has a pair of address parts (A) and (B), the first address part (A) is transferred to the program counter which indicates the current excuted program address and the second address part is transferred to the second push down stack. Before excuting the program call instruction the content of the program counter is transferred to the first push down stack. In excuting the common program, the content of the program counter and the output of the second push down stack are compared and when they coincide the output of the first push down stack is transferred to the program counter to return to a main program.

REFERENCES:
patent: 4024508 (1977-05-01), Bachman et al.
patent: 4041462 (1977-08-01), Davis et al.

Affiliated with

Also associated with

Rating

System for excuting a program-call instruction in a computer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for excuting a program-call instruction in a computer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for excuting a program-call instruction in a computer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-289395