IBM System/360 architecture
Model independent architecture for the S/360 line of mainframe computers / From Wikipedia, the free encyclopedia
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The IBM System/360 architecture is the model independent architecture for the entire S/360 line of mainframe computers, including but not limited to the instruction set architecture. The elements of the architecture are documented in the IBM System/360 Principles of Operation[1][2] and the IBM System/360 I/O Interface Channel to Control Unit Original Equipment Manufacturers' Information manuals.[3]
Quick Facts Designer, Bits ...
Designer | IBM |
---|---|
Bits | 32-bit |
Introduced | April 7, 1964; 60 years ago (1964-04-07) |
Design | CISC |
Type | Register-Register Register-Memory Memory-Memory |
Encoding | Variable (2, 4 or 6 bytes long) |
Branching | Condition code, indexing, counting |
Endianness | Big |
Page size | N/A, except for 360/67 |
Open | Yes |
Registers | |
General-purpose | 16× 32-bit |
Floating point | 4× 64-bit |
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Main article: IBM System/360