On 8/20/25 11:16, Seymour J Metz wrote:
I don't know about the original PDP-6 software, but the macro assembler for the PDP-10 required brackets around an instruction literal.That was one of the machines that I would have been happy to program in my youth. ...
The MACRO designers had an admirable respect for orthogonality. They made no needless distinctions between instructions and data. And there was no DC-type instruction. Programmers simply codec constants in the operation field. There's a knack to choosing the right evaluation context for such as USING, *, ORG, etc. LOCTTR does that well. -- gil
