preview

Essa 390 Essay

Decent Essays

The IMB z/Architecture is an extension to the ESA/390 because it was need to be extended. The z/Architecture is able to provide 64-bit capabilities. The main idea of the z/Architecture is to boost the storage of usage by the application programs and the central storage. Also it was to control the compatibility for the middleware, tools, and utility programs. The z/Architecture contains 64-bit of general register, control registers, real addressing, virtual addressing, and instructions to work on a 64-bit binary integers. It also has more new instructions and address to further current e-business computing. It would also make it easier for programmer so that they won’t have to reprogram and they are able to use the new capabilities. BODY …show more content…

It also has more new instructions and address to further current e-business computing. The main regards to making the z/Architecture was to control the compatibility for the application, middleware, tools, and utility programs. Also to make it easy for programmers so that they won’t have to reprogram which they are able to use all of the new capabilities (Plambeck, Eckert, Rogers, & Webb). In the z/Architecture there are set of instruction that has new instructions that carries out the 64-bit analog that is given by the ESA/390 instruction set. Mostly all of the instruction from z/Architecture are not modal and carries out operations that are not effect by the present addressing mode, but it does have influence on the locating operands in the storages. The z/Architecture does determine a number of instructions for the operation, which the addressing mode does have some sort of influence on it. There are benefit to a non-modal path on instruction set, which ESA/390 programs will be carried out by the z/Architecture mode with no accidental change to any of the processor state (Plambeck, Eckert, Rogers, & Webb). There has been a problem with the z/Architecture due to adding so many instructions because the root of the architecture is root back 35 year ago. This makes it difficult for find operation code for all the new instructions. Also there are less hardware implantation so it could provide a more flexibility for

Get Access