Computer system, method, and program product for performing...

Details Computer system, method, and program product for performing... Computer system, method, and program product for performing...

2006-06-20

2006-06-20

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S201000, C711S207000, C711S220000

Reexamination Certificate

active

07065625

ABSTRACT:
A computer system includes a register that is configured to contain a zero value. In response to a predetermined occurrence on the computer system, such as a hardware interrupt, the computer system launches a trap routine. This routine generates output data that needs to be stored within the memory space of the computer system. In order to write out this data from within the trap routine, a desired target address is specified as a negative offset from the zero value stored in the register. This avoids the need to have to locate another (unused) register in which to store the write address.

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