Proprietary Assembler (PASM)

An implementation of a simple yet fast two-pass assembler in C with tries for fast in-memory opcode fetch.

Supports

• Parsing assembler scripts
• Generation of intermediate file
• Generation of object file
• Generation of symbol tables
• Loader creating exe files

Instructions on running

Write the source assembly in a source file such as file.pasm and then run the following command:

$make test

The above command takes care of assembling the source code, linking and executing the binary.

Limitations

• The opcodes.csv file contains the supported opcodes, more opcodes has to be supported and some have yet undefined lenghts.
• There is no support for macros
• There is no support for some assembler directives such as EXTERN , ORG and LTORG.
• There is yet no support for multiple control sections.