Take one compact real-time operating system. Mix thoroughly with a C/C++ toolset, and you get RTXC Quadros RTOS for the IAR Systems ARM Embedded Workbench. It includes a plug-in for the IAR C-SPY JTAG debugger, C/C++ compiler, assembler, linker, ANSI libraries, text editor, and project manager. This version targets ARM7- and ARM9-based microcontrollers. RTXC can be configured in single-stack kernel and multistack kernel forms. Pricing starts at $12,500.