Re: Quick Basic 4.5 - Using int 21h, 4bh to launch external programs
Posted on 2023-07-09, 11:32
a program that wants to load other program must first reduce the memory that DOS has assigned to it and keep only what it needs. this qb program and its stack sure fits in 1 KB, so bx = 1024/16 and call int 21/4a to modify allocated memory block. somethin' like this... mov bx,1024/16 ; new requested …