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CS_TSR specification - GET HANDLE (TSR-SPECIFIC INSTALLATION CHECK)

AX = 8001h
DS:SI -> ASCIZ signature string for desired TSR (see #02929)

Return:
BX = process handle or 0000h if specified TSR not installed
ES:DI -> process block for TSR (see #02928) if BX<>0000h

Note: A widely-available copy of ASCII billing itself as "ASCII 2.OO by Nick Zaikin Jr." is in fact a hacked copy of the Compact Soft ASCII v4.23 which is identical except for the changed attribution and version (in fact, some instances of "4.23" were missed); the hacked copy requires the signature string "ASCII 2.OO by Nick Zaikin Jr." instead of the unhacked version's simple signature "ASCII"

See Also: AX=8000h"CS_TSR" - AX=8002h"CS_TSR"

(Table 02929)
Values for CS_TSR signature strings:
"ASCII"        ASCII, a popup ASCII table with character input
"Halculator"   HALC, a 32-bit RPN WYSIWIH calculator with undo and ptr support
"AntiTurbo"    AT!, an intelligent system slow-down utility

Category: TSR Libraries - Int 2Fh - C

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