Need C compiler recommendations

[Kathy Vincent]

I'm posting this message for some friends of mine who make
products for the broadcast industry:

They need recommendations for a DOS C compiler and software tools
(assembler, linker, loader, cross-compilers, etc.) that will enable
them to write their code in C on an AT&T PC 6300, then cross-compile
the code and burn it into PROM on a Zilog Super 8 or an Intel 8051 chip.

Any suggestions will be greatly appreciated.  I will summarize any email
responses I get to the net.

Kathy Vincent ------>  {att|ihnp4|pacbell}!bakerst!kathy
              ------>  { favourite AT&T gateway }!wruxh!unix