DOS ain't dead

DOS32pae - a nice little toy (Announce)

posted by Japheth , Germany (South), 21.02.2021, 08:54

Hello friends,

just now I made a little program public:

https://github.com/Baron-von-Riedesel/DOS32pae

It's kind of a fork of https://github.com/Baron-von-Riedesel/Dos64-stub, for 32-bit only.

Using PAE paging, this tiny "DOS extender", although 32-bit and thus limited to 4GB of address space, is able to use huge amounts of memory. There's a sample supplied, Alloc.asm, that demonstrates this feature, backfilling 4092 MB of "linear" memory with physical memory allocated via XMS v3.5 beyond the 4 GB barrier ( probably making this little sample the first DOS program that needs 8 GB of memory ).

Besides this, there's not much to tell. I think I mention this thing only because it's my 18. repository on github.

---
MS-DOS forever!

Complete thread:

• DOS32pae - a nice little toy - Japheth, 21.02.2021, 08:54 (Announce)
  • DOS32pae - a nice little toy - DosWorld, 05.03.2021, 04:17
    • DOS32pae - a nice little toy - Japheth, 05.03.2021, 19:00
  • Samples added - including HDAplayX - Japheth, 06.03.2021, 18:31