High Level Assembler - Opcodes overview, Extension Set C4

The table below lists all documented opcodes in extension set C4 for IBM mainframe processors. Each opcode links to a text section with some additional info on the pertinent opcode.

Opcode Assignments.

Remark:
Please note that the creation of descriptions for all individual instructions is an ongoing process. As yet no such descriptions have been created for the opcodes on this page.

Extension Set C4 - Relative Long Instructions

All instructions in this table are six bytes in length. The first byte always has a value of X'C4', the second half of the second byte designates the exact instruction.

C4 0 1 2 3 4 5 6 7 8 9 A B C D E F
      LLHRL   LGHRL LHRL LLGHRL STHRL LGRL     STGRL LGFRL LRL LLGFRL STRL

 

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