[Andrew] picked up a handful of these big STC 8051 chips for a song and dance. The problem he has with them is the clunky VB6 programming software ... the Small Device C Compiler (SDCC).

Features include a 40-MIPS, single-cycle 8051-core, 64 KB of flash memory with in-system/in-application programming, 4 KB of SRAM, digital signal processing extensions, and a comprehensive digital ...