more sane directory name, updated binaries

src/basic/a7ae.interop

@@ -0,0 +1,9 @@
+This routine is used to launch other software. It is used by:
+
+- Exomizer (see https://github.com/bitshifters/exomizer/blob/master/exomizer/exomizer115.txt)
+- FileBrowser64 (FB64) - found by debugging
+
+and probably others. It is also mentionned in the cartridge writing tutorial here:
+
+- https://codebase64.org/doku.php?id=base:assembling_your_own_cart_rom_image
+