| twitter.com/luigithirty | |
| Pronouns | she/her |
| FFXIV | Harutsuki Soryo@Excalibur |
In the true spirit of the 1990s I got one of these to quickly jot down OS/2 and STUN Runner reverse engineering diagrams
cheaper than buying an iPad just for scribbling flowcharts. I tried using a Wacom tablet but my dysgraphia means I have to see what I’m writing on the surface as I’m writing it
Win32s maintains a memory arena in the top half of the 32-bit address space. To run under OS/2, the IBM-supplied VW32S.SYS has to translate the VirtualAlloc/Free/etc calls and their flags and options into OS/2 VMAlloc/Free/etc calls.
It looks like Boca Raton added undocumented MVDM.DLL exports that give a VDM direct access to the OS2KRNL virtual memory management subsystem!
Here's my GEM ZCode-Interpreter for anyone who's interested.
V3-V8, text only, Quetzal saves, input history, notepad feature. Needs about 450KB + size of the game. Plays nice with MagiC and MiNT.
thunks from hell
16-bit Windows calling a 32-bit driver pretending to be three VXDs in the VDM context which calls out to undocumented hooks in the OS/2 kernel to let Win32s allocations work
/usr/people/flexion
Ingo Paschke
