JiffyMON

JiffyMON is a complete 6502 machine language monitor program for the C64

JiffyMON also contains disk drive monitor commands and can remain active while editing BASIC programs.
 
JiffyMON Features
-----------------
 Assembler         Memory Display
 Breakpoint Set    Relocate
 Compare Memory    Offset Calculate
 Disassembler      Quick Trace
 Fill Memory       Register Display
 Hunt Memory       Transfer Memory
 Verify Memory     Single Step
 
JiffyMON will also perform number conversion for all commonly used
numbering systems (ASCII Decimal Hexadecimal and Binary).
 
Additional disk drive commands include Block-Read, Block-Write, Memory-Read and Memory-Write.
 
Note: JiffyMON requires use of JiffyDOS for proper operation.