Ah, yes, how to get an opcode and two Y-format operands into a single 6-byte instruction.... :)
Thomas Berg wrote: > Have anyone used the long-displacement facility instructions > (as in consistently do so to reduce base register usage) ? > Are there any pitfalls or limitations that a relatively > inexperienced programmer should be aware of ? > Btw, why is there no "MVCY" instruction ? Is it because of > the existence of the MVCL instruction or .. ? > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
