MASM and the Intel assembler were already rather high-level compared to other assemblers, with a type system, procedures, records, etc. Those later versions of

MASM and the Intel assembler were already rather high-level compared to other assemblers, with a type system, procedures, records, etc. Those later versions of MASM added things like automatic allocation of structs on the stack and for loops. Depends on what features Sawyer used, but that assenbler in particular is a pretty advanced tool.