gnu@sun.uucp (John Gilmore) (09/25/84)
Actually I had assumed that the passage about "emulator functions" was talking about other-machine emulators. I once wrote the basic structure of a program that would emulate the IBM 370 on a 68000 -- the slowdown was about 20:1 (i.e. it took 20 68000 instructions to fetch, decode, and execute the average 370 instruction). If you could freeze the inner loop of this into the 68020 cache you might get a much better performance ratio. Kinda like 1401 emulator mode on 370's, those dinosaurs just won't die. If anybody wants a copy of the 3-page very rough paper on the 370 emulator, send me mail.
jsgray@watmath.UUCP (Jan Gray) (09/29/84)
Actually, that's where you put your bitblt inner loop or your Smalltalk virtual machine bytecode decoder. Thinking about both, Jan Gray (jsgray@watmath.UUCP) University of Waterloo (519) 885-1211 x3870