The source code to the library MISC.LIB.
 This library file contains the following:  

SCREEN.OBJ          ; Various text screen functions

RANDOM.OBJ          ; Generats a random number

SQRT.OBJ            ; Calculates the square root


See the source code for the details on how to use the functions.
Please note that the source code is written for MASM , you'll need to modify
it for assembling with TASM.  However the MISC.LIB can be linked using TLINK. 