Re: Graphic 6502 Simulation

[supertimer@aol.com (Supertimer)]

Roy Mackel <roy@kdt.de> wrote:

>Once there was a program for the Apple II that displayed in highres-mode
>the internal working of the 6502. You could run a program step by step,
>and changes in flags, registers and program counter were updated
>immediately. It was very nice for demonstrating how a microprocessor
>works.

I think you are thinking of "Virtual 68000" which is a graphic
68000 simulation that does exactly this.  There's a version
written in 65C816 code that runs on the Apple IIGS.  It is
somewhere on the ground ftp server.