bmw@aesat.UUCP (Bruce Walker) (03/10/86)
In article <2002@peora.UUCP> jer@peora.UUCP (J. Eric Roskos) writes: > ... the particular microprocessor I'm thinking of (I forget the part > number; it is some Zilog single-chip microcomputer which Steve Ciarcia > writes a lot of his projects for) does indeed directly execute BASIC. It > is true that there is a BASIC interpreter in ROM, but when you start up > the computer, it executes this interpreter. > [...] > Of course, the Zilog machine has another instruction set in which the > BASIC interpreter is written. So there's another level of interpretation > involved. The part is called a "Z8671" which is a 2K ROM Z8 with Tom Pittman's port of Tiny Basic (called "Basic/Debug") permanently burned into it. You may be interested to know that the Basic interpreter itself is written in a pseudo-code and is ITSELF INTERPRETED by a little run-time routine that the Z8 executes upon power-up. This interpreter is all that Mr. Pittman has to change in order to get his Basic up on most any micro. Bruce Walker {allegra,ihnp4,linus,decvax}!utzoo!aesat!bmw "I'd feel a lot worse if I wasn't so heavily sedated." -- Spinal Tap