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AH = 39h BL = 00h AL = TSR ID number (01h-FFh, currently only 01h-1Bh used) (see #02742)
Return:
AL = status 00h not installed FFh installed DX = segment address of resident module
Note: All of Kingswood Software's TSRs use this interface. Usually the resident module is installed by allocating a block of upper memory, setting its owner ID to 000Ah (used by DOS), and filling the MCB name field with the TSR's name.
See Also: #02743 - AX=3900h - AH=39h/BL=01h
(Table 02742) Values for Kingswood TSR ID number: 01h TSR Windows 02h NOBUSY 03h CD STACK 04h DISK WATCH 05h PUSHBP 06h ALIAS 07h KEYMACRO 08h SLOWDOWN 09h ANSIGRAB 0Ah TEE 0Bh FASTMOUS 0Ch EXTWILD 0Dh BREAKOUT 0Eh STOPDISK 0Fh MEMINIT 10h JANUSEXT 11h CAPS 12h ANSI 13h TRAPPER 14h EATMEM 15h WPJOKE 16h SHOWDOS 17h LOGINTS 18h BLANKVGA 19h SWAPEXEC 1Ah SHELL 1Bh TSRGAMES
Format of Kingswood TSR modules: Offset Size Description (Table 02743) 00h 4 BYTEs signature "FTSR" 04h WORD segment address of this module (used to check validity) 06h WORD number of words to skip (usually 0000h if no PSP present) 08h N WORDs module-defined data that must be at a fixed segment offset (usually only a PSP if file access is required) 5N BYTEs interrupt list (see #02744). BYTE FFh terminator
Format of Kingswood TSR interrupt list entry: Offset Size Description (Table 02744) 00h BYTE interrupt number (00h-FEh) 01h WORD offset within segment of DWORD pointer to previous interrupt 03h WORD offset within segment of begin of interrupt handler code
Category: TSR Libraries - Int 2Fh - K
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