Windows 3.1 INT 2FH AX=1684h Ring 0 fun awaits

[joncampbell123]

http://www.oldlinux.org/Linux.old/docs/interrupts/int-html/rb-4534.htm

According to the 8514 display driver example in the Windows 3.1 DDK, there is an entry point you can call to execute user-mode code (ring 3) at kernel level (ring 0).

This could be a lot of fun. Add support functions to take advantage of it.

Also see if this exists in Windows 95 and later.