INT 1A - TheGrab v4.60 - INSTALLATION CHECK AX = E11Dh Return: ES:DI -> signature block (see #01261) if installed CX = length of signature block (000Fh) Program: TheGrab is a resident ANSI screen grabber bundled with TheDraw SeeAlso: AX=E11Bh Format of TheGrab signature block: Offset Size Description (Table 01261) 00h BYTE 08h 01h 8 BYTEs ASCIZA NUL-terminated ASCII string. The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h. Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. "THEGRAB" 09h 6 BYTEs ??? (zeros)