Q: I've heard that programs using restricted machine interface (MI) instructions won't convert to RISC. Is this true? A: Although it's true that the compilers on a RISC AS/400 don't support restricted MI instructions (also sometimes called "blocked" instructions) in user programs, programs on most installed AS/400s don't use these restricted MI instructions. However, a few systems could encounter problems when translating programs originally compiled under pre-V1R3 ...

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