Those scripts that take a command line argument need k=#, where # specifies the system. See the comments in Amacro.e about MACHINE=.Key. The option for making a special assembler (one that assembles the assembler), requires an extra 100, for example k=114 for the Macintosh or k=109 for the Minimum.
NAM.s | AAman for the Macintosh, with Emul.a. | ||
NAL.s | Link preassembled block object files to produce AAman, without Emul.a. | ||
NAX.s | AAman from source for the specified system, without Emul.a. |