INT 21 - CUBIT v4.00 - UNINSTALL AX = 69FFh DX = CFBFh CX = EFCFh BX = CB00h (magic value) Return: ES:BX -> CUBITR.EXE handler for INT 21 CX = status 2020h successful 2222h failed Note: if DX is neither 0000h nor CFBFh on entry, some other code is executed SeeAlso: AX=69FFh/DX=0000h