On 11/17/2024 5:31 PM, Seymour J Metz wrote:
The user's guide for the HLASM toolkit has a link to the IBM documentation page
for comments, but I can't find a comments link there. How do I report
documentation issues for DO.
The issues that I'm corned with are
The second subparameters of BY=, FROM= and TO= are not the values
but pointers to values.
BY=, FROM= and TO= are keyword parameter, not positional.
Nothing is said about AMODE.
The second subparameters can be numeric literal values:
| DO BXLE,FROM=(R1,1),
| TO=(R15,100),
| BY=(R14,1)
| STC R1,0(R1,R2)
| ENDDO ,
If you code the values in this way, the registers are loaded using the
LA instruction. If you use names, they are loaded using the L instruction.
The macro expansions are always the same -- they are not sensitive to
AMODE. We use them in both 31-bit and 64-bit programs without issues.
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