CodeMaster Macro Assembler (MCA-51)

Is included to any CodeMaster-52 configuration
Supports all 8051 derivatives
Strict operand type checking
Extensive set of 32-bit arithmetic operators
Local labels in functions (subroutines)
Powerful macro capabilities
Three kinds of repeating blocks
Special library eases the programmer's tasks
Generates symbolic debug information for the Phyton JEM-52 and PICE-52 emulators and CodeMaster debugger/simulator
Donwnload the assembler with IDE and software simulator for evaluation or working on simple projects.