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AX = 4402h BX = file handle referencing device "RECLOWLD" DS:DX -> buffer for address list (see #01505) CX ignored
Return:
CF clear if successful buffer filled CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)Format of CPRLOW address list: Offset Size Description (Table 01505) 00h WORD segment of CPRLOW code 02h WORD offset in code segment of ??? entry point (switches into protected mode) 04h WORD offset in code segment of jump array (see #01506) 06h WORD segment of copy of interrupt vector table at CPRLOW load time
Note: Neither the entry point nor the jump array is valid until after a CPR /LOAD, because CPR.EXE installs the code into CPRLOW at runtime.
Format of CPRLOW jump array: Offset Size Description (Table 01506) 00h 3 BYTEs initialize CPRLOW interrupt hooks 03h 3 BYTEs reset timers and enable CPR (hotkey enable) 06h 3 BYTEs disable CPR (hotkey disable) 09h 3 BYTEs clear ??? flag, hotkey disable, and ??? 0Ch 3 BYTEs initialize delay loop counter (destroys AX,BX,CX,DX) 0Fh 3 BYTEs disable CPR completely (commandline /DISABLE) 12h 3 BYTEs enable ??? if CPR enabled by both cmdline and hotkey 15h 3 BYTEs enable CPR (commandline /ENABLE)
Category: Security - Int 21h - P
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