The code is now more or less complete for now at version 0.3.2. The command naming might change and the Intel-Hex download isn't implemented yet. Here is the current help text, which summarized the command list:

** TMS70C02 Monitor Help Menu V0.3.2 **

         Caaaa - Call subroutine at aaaa
         D[||+|-|aaaa[-bbbb]] - Dump memory from aaaa to bbbb
         E[e] - View/set echo
         Faaaa eeee dd - Fill memory from aaaa to eeee-1 with dd
         Gaaaa - jump to address aaaa
         Maaaa bb - Modify memory location
         H - Help menu
         Raaaa eeee - RAM test from aaaa to eeee
         Vssss eeee nnnn - Copy memory range ssss to eeee to nnnn
        *:ssaaaattdddddd....ddcc - receive Intel-hex record
         * = not yet implemented

 See the complete code and resulting binaries (bin & hex) at the github site: https://github.com/electrickery/TMS70C02-Monitor