On Tue, Jun 4, 2019 at 8:10 PM Rick Bensene via cctalk <cctalk@classiccmp.org> wrote: > > I guess maybe I need to dig out my logic analyzer, and monitor the address > and data busses, and trace out what is actually happening.
What kind of logic analyzer? For an HP 16500 series logic analyzer there is a 6502 Inverse Assembler available, which would at least let you see how far the CPU gets from fetching the reset vector to where things go wrong, if the CPU is working enough to be trying to fetch code from ROM.
