DOS ain't dead

8086 rules (Miscellaneous)

posted by Japheth , Germany (South), 21.02.2024, 09:03

> "the ability to access up to 16 MB of physical memory, and 1 GB of virtual
> memory" - sounds good.
>
> But ... WHERE?
>
> Is this something I could do on OS/2 1.x?
>
> With an MZ executable? A .com?
>
> What are they advertising?
>
> NE executables didn't exist except on MSDOS 4.0,
> which may or may not buy something. Is that what
> they are advertising?

Yes. NE binaries support both real-mode and protected-mode apps. The 1 GB of virtual memory, I guess that's just the theorectical limit of 8192 LDT and 8191 GDT descriptors, each with limit -1, meaning 64 kB.

---
MS-DOS forever!

Complete thread:

• 8086 rules - kerravon, 21.02.2024, 07:24 (Miscellaneous)
  • 8086 rules - Japheth, 21.02.2024, 09:03
    • 8086 rules - Rugxulo, 21.02.2024, 10:38
    • 8086 rules - kerravon, 21.02.2024, 11:02
      • 8086 rules - Ringding, 21.02.2024, 11:56
        • 8086 rules - kerravon, 21.02.2024, 12:06
      • 8086 rules - Japheth, 21.02.2024, 15:16
        • 8086 rules - Ringding, 21.02.2024, 15:24
  • 8086 rules - mceric, 21.02.2024, 11:07
    • 8086 rules - kerravon, 21.02.2024, 12:02
    • 8086 rules - kerravon, 21.02.2024, 13:36
    • 8086 rules - CS writing, lDebugX - ecm, 21.02.2024, 14:57
  • 8086 rules - bretjohn, 21.02.2024, 17:40
    • 8086 rules - kerravon, 21.02.2024, 23:35