I have run out of the 64K code space on my 8051 processor and need to port to something like the Cortex-M3 with 128K. BUT...with a 32 bit processor, in theory I'd need 256K of program memory just to break even. Does anyone have experience with what the real multiplier is between an 8 bit device and one of these? Can I reasonably expect that I'll have more room for code moving this way?