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Register Usage z/OS JES3 Customization SA32-1006-00 |
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This discussion of register use is comprised of three sections: contents of registers on entry to a DSP, register conventions, and contents of registers on exit from a DSP. Register usage for installation exits is defined for each exit. In general, registers 11, 12, 14, and 15 on entry are as defined below but other input registers are also provided. Also, most installation exits use the same register conventions. |
Copyright IBM Corporation 1990, 2013
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