INT 2D - DTown Utilities v1.40+ - POP UP AL = 21h BL = which utility to bring up 00h active utility 01h help screen 0Ah ASCII table 0Bh memory view 0Ch CPU(Central Processing Unit) The microprocessor which executes programs on your computer. status 0Dh calculator 0Eh miscellaneous 0Fh file viewer 10h disassembler Return: AL = status 00h already active FFh popped up successfully BX = 0000h Note: this function is only available if the extended API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. has been installed in the resident portion SeeAlso: INT 2D/AL=10h"DTown",INT 2D/AL=20h,INT 2D/AL=50h