Re: 1571/1581 Sources: Macro WDTEST inserting NOP before reading WD177x status register / writing command register

What will be interesting is if they fixed the 1571 hardware before they
released it and forgot to take out the hack.

Were there any 1571 hardware revisions?

On 25/03/2022 22:06, Jim Brain wrote:
> If it will help, and folks are flexible on timing and can provide some
> code, I am happy to pull a 1571 and burn a custom FLASH ROM with code
> to play with this concept, while hooking the signals up to either my
> 24MHz LA (or my 333MHz LA (if the glitch is smaller than 41ns) and
> post the results of the ROM output.
>
> The 24MHz LA is pretty simple on glitch capture, but the HP16702 with
> 16771 LA card has extensive triggering capabilities.
>
> I would need a chunk of code to burn into a ROM, though
>
> Jim
>
>