An on-line book describing the construction of a compiler translating a subset (?) of C into 68000 assembly. The compiler is written in Turbo Pascal.
See also the original site http://compilers.iecc.com/crenshaw/
This fifteen-part series, written from 1988 to 1995, is a non-technical introduction to compiler construction. You can read the parts on-line or download them in a ZIP file.