README: add diagram

stsp · Jan 19, 2025 · d558d79 · d558d79
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diff --git a/README.md b/README.md
@@ -39,15 +39,9 @@ C-written code, then you likely can't have dj64 support in it, as writing
 the "DJ64" DPMI extension by hands, without using djdev64-provided
 runtime, is too difficult or impossible.
 
-In addition to that, dj64-built programs rely on a few DPMI-1.0 functions.
-Namely, shared memory functions
-[0xd00](https://www.delorie.com/djgpp/doc/dpmi/api/310d00.html),
-[0xd01](https://www.delorie.com/djgpp/doc/dpmi/api/310d01.html)
-and optionally also "Free Physical Address Mapping" function
-[0x801](https://www.delorie.com/djgpp/doc/dpmi/api/310801.html)
-which is used to unmap shared memory regions without actually destroying
-them. DPMI host is not required to implement such a specific 0x801
-functionality, but the shared memory support is mandatory.
+## how does it look like?
+
+![like this](dj64dev.svg)
 
 ## building and installing
 First, you need to install [thunk_gen](https://github.com/stsp/thunk_gen/).

diff --git a/dj64dev.svg b/dj64dev.svg