Abstract

Abstract A convenient way to develop assembly-language programs for small microprocessor systems is to crossassemble using some larger, preferably disc-based, computer system. If such a computer is available, then provided it can run an assembler with a macro facility, it is possible that a suitable crossassembler could be simply constructed. The present article examines how this can be accomplished and lists the features required in a suitable macro assembler. As an example, elements of a crossassembler for an Intel 8080 microprocessor, constructed using MACRO 11 (a PDP11 assembler), are displayed along with a compatible binary loader program. The creation of other crossassemblers is considered and using macros to construct a simple compiler is briefly outlined.

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