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AX = 5453h BX = subfunction 00h installation check CX = 0000h DS:SI -> 8-char blank-padded name (see #02840)Return:
AX = FFFFh installed CX = ID number of already-installed copy AX = anything else, not installed CX = ID number for TSR when installed 01h get user parameters CX = TSR ID numberReturn:
AX = status 0000h successful ES:BX -> user parameter block (see #02841) nonzero failed 02h check if hotkey in use CL = scan code of hot key (see #00006)Return:
AX = FFFFh hot key conflicts with another TSR otherwise safe to use the hotkey 03h replace default critical error handler CX = TSR ID number DS:SI -> new routine for INT 24hReturn:
AX = nonzero, unable to install new handler 04h get internal data area CX = TSR ID numberReturn:
AX = status 0000h successful ES:BX -> TSR's internal data area (see #02842) nonzero, TSR not found 05h set multiple hot keys CX = TSR ID number DL = number of additional hot keys to allocate DS:SI -> table of hot keys BYTE hotkey scan code (see #00006) BYTE hotkey shift state BYTE flag value to pass to TSR (nonzero)Return:
AX = nonzero, unable to install hot keys 06h - 0Fh reserved 10h enable TSR CX = TSR ID numberReturn:
AX = nonzero, unable to enable 11h disable TSR CX = TSR ID numberReturn:
AX = nonzero, unable to disable 12h unload TSR CX = TSR ID numberReturn:
AX = nonzero, invalid TSR number
Note: If any interrupts used by TSR have been grabbed by another TSR, the TesSeRact routines will wait until it is safe to remove the indicated TSR from memory 13h restart TSR CX = TSR ID number of TSR which was unloaded but is still in memory
Return:
AX = nonzero, unable to restart TSR 14h get status word CX = TSR ID numberReturn:
AX = FFFFh invalid ID number = other, successful BX = bit flags 15h set status word CX = TSR ID number DX = new bit flagsReturn:
AX = nonzero, unable to set status word 16h get INDOS state at popup CX = TSR ID numberReturn:
AX = 0000h successful BX = value of INDOS flag 17h - 1Fh reserved 20h call user procedure CX = TSR ID number ES:DI -> user-defined dataReturn:
AX = 0000h successful 21h stuff keystrokes into keyboard buffer CX = TSR ID number DL = speed 00h stuff keystrokes only when buffer is empty 01h stuff up to four keystrokes per clock tick 02h stuff up to 15 keystrokes per clock tick DH = scan code flag if zero, buffer contains alternating ASCII and scan codes if nonzero, buffer contains only ASCII codes SI = number of keystrokes ES:DI -> buffer to stuffReturn:
AX = 0000h success F0F0h user aborted with ^C or ^Break other unable to stuff keystrokes 22h (v1.10) trigger popup CX = TSR ID numberReturn:
AX = 0000h success, TSR will either pop up or beep to indicate that it is unable to pop up nonzero invalid ID number 23h (v1.10) invoke TSR's background function CX = TSR ID numberReturn:
AX = 0000h success FFFFh not safe to call background function nonzero invalid ID number 24h - 2Fh reserved
Notes: Borland's THELP.COM popup help system for Turbo Pascal and Turbo C (versions 1.x and 2.x only) fully supports the TesSeRact API, as do the SWAP?? programs by Innovative Data Concepts.. AVATAR.SYS supports functions 00h and 01h (only the first three fields of the user parameter block) using the name "AVATAR "
See Also: AX=CAFEh - INT 16/AX=55FFh - INT 2D"AMIS"
Index:
Installation check;TesSeRact TSR interface|uninstall;TesSeRact(Table 02840) Values for TesSeRact names: "AVATAR " AVATAR.SYS "QeditTSR" TSR version of SemWare's Qedit editor "SCRNBLNK" Trusted Access screen blanker
Format of TesSeRact User Parameter Block: Offset Size Description (Table 02841) 00h 8 BYTEs blank-padded TSR name 08h WORD TSR ID number 0Ah DWORD bitmap of supported functions 0Eh BYTE scan code of primary hotkey (see #00006) 00h = pop up when shift states match FFh = no popup (if shift state also FFh) 0Fh BYTE shift state of primary hotkey FFh = no popup (if scan code also FFh) 10h BYTE number of secondary hotkeys 11h DWORD pointer to extra hotkeys set by func 05h 15h WORD current TSR status flags 17h WORD PSP segment of TSR 19h DWORD DTA for TSR 1Dh WORD default DS for TSR 1Fh DWORD stack at popup 23h DWORD stack at background invocation
Index:
Hotkeys;TesSeRact TSR interfaceFormat of TSR internal data area: Offset Size Description (Table 02842) 00h BYTE revision level of TesSeRact library 01h BYTE type of popup in effect 02h BYTE INT 08 occurred since last invocation 03h BYTE INT 13 occurred since last invocation 04h BYTE active interrupts 05h BYTE active soft interrupts 06h BYTE DOS major version 07h BYTE how long to wait before popping up 08h DWORD pointer to INDOS flag 0CH DWORD pointer to DOS critical error flag 10h WORD PSP segment of interrupted program 12h WORD PSP segment of prog interrupted by INT 28 14h DWORD DTA of interrupted program 18h DWORD DTA of program interrupted by INT 28 1Ch WORD SS of interrupted program 1Eh WORD SP of interrupted program 20h WORD SS of program interrupted by INT 28 22h WORD SP of program interrupted by INT 28 24h DWORD INT 24 of interrupted program 28h 3 WORDs DOS 3.0+ extended error info 2Eh BYTE old BREAK setting 2Fh BYTE old VERIFY setting 30h BYTE were running MS WORD 4.0 before popup 31h BYTE MS WORD 4.0 special popup flag 32h BYTE enhanced keyboard call in use 33h BYTE delay for MS WORD 4.0 11 times (for INTs 08h,09h,13h,16h,1Ch,21h,28h,2Fh,1Bh,23h, and 24h):. DWORD old interrupt vector. BYTE interrupt number. WORD offset in TesSeRact code segment of new interrupt handler
Category: TSR Libraries - Int 2Fh - T
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