> But, sure, be a douche about it if it makes you feel more superior. Whatever.
No, but don't try to assert conjecture as facts. "Whatever"
> So, are you saying that PKZip supported running on the pre-XT ROM BASIC OS, as well as PC-DOS/MS-DOS?
Now you're being a douche, no? I said that the hardware had cassette tape access.
The IBM PC, and PCjr both has the hardware to access tape drives. And yes you could access the cassette tape routines, INT15, 0/1/2/3 ( https://stanislavs.org/helppc/int_15.html ) through DOS, though as you allude to, there was little need to do so.
> No, but don't try to assert conjecture as facts.
I hedged with "I wasn't aware", "pretty sure", "ordinarily", and ended with a question mark. I don't know how I could have been more guarded in expressing my recollection as non-authoritative. OK, maybe "pretty sure" was a bit on the strong side. sigh Sorry for that.
> I said that the hardware had cassette tape access.
I thought your point was that IBM cassette drives, unlike the tape systems I mentioned, "were used on contemporary machines that PKZIP ran on."
If your intended meaning was something other than "original IBM PCs running ROM BASIC OS so they could access an IBM Cassette tape was a supported platform by PKZIP", then I apologise for not being smart enough to make whatever leaps of logic were required to understand what your actual point was.
No, but don't try to assert conjecture as facts. "Whatever"
> So, are you saying that PKZip supported running on the pre-XT ROM BASIC OS, as well as PC-DOS/MS-DOS?
Now you're being a douche, no? I said that the hardware had cassette tape access.
The IBM PC, and PCjr both has the hardware to access tape drives. And yes you could access the cassette tape routines, INT15, 0/1/2/3 ( https://stanislavs.org/helppc/int_15.html ) through DOS, though as you allude to, there was little need to do so.
However BASICA could load programs from tape. https://www.youtube.com/watch?v=KTmzUBb924A
There, something else you can learn today. I'll leave it to you to discover exactly what.