INT 2F - Kingswood TSR INTERFACE - INSTALLATION CHECK
AH = 39h
BL = 00h
AL = TSR ID number (01h-FFh, currently only 01h-0Eh used) (see below)
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 0008h (DOS data), and filling the MCB name
field with the TSR's name.
SeeAlso: AH=39h/BL=01h

Values for 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

Format of TSR modules:
Offset  Size    Description
00h  4 BYTEs   signature "FTSR"
04h    WORD    segment address of this module
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 below)
BYTE    FFh terminator

Format of interrupt list entry:
Offset  Size    Description
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

See also: 2F3900

2F39 - Kingswood TSR INTERFACE - INSTALLATION CHECK