DSP/BIOS provides basic runtime services including real-time analysis functions for instrumenting an application clock and periodic functions I/O modules and a preemptive scheduler. DSP/BIOS for the TMS320C54x? was originally developed for the 16-bit addressing model of the early C54x devices. Program accesses in this ?near? model were limited to a single 64K word program page. Newer C54x devic