>>>>Are you saying that apps that I've written on my XP with AMD processor will not work on an Intel Win10 pc?
>>>>Rich
>>>
>>>No, that's not what I say. AMD CPU's are Intel-compatible, what Microsoft calls "Intel type", so you don't have to worry.
>>
>>The x86-64 instruction set (commonly called AMD64 by many entities other than Intel) was created by AMD, not Intel.
>>
>>So, Intel CPUs are AMD-compatible ;)
>
>not debating your statement, but as vfp is only 32 bit, only the part on the left of the hyphen is important ;-))
>Although I am pretty certain that vfp6 and higher cannot be made to run on an Intel 8086, guessing at least 80386 instruction set is neccessary, which would imply 80386SX as lower bound ;-)

Hi Thomas,
a software requirement will limit the processor.
I think VFP6 needs Win95 at least.
This, otoh, needs a 386DX minimum see here

:)