Int 21/AX=250Dh

Phar Lap 386/DOS-Extender - GET REAL-MODE LINK INFORMATION

AX = 250Dh

Return:
CF clear EAX = CS:IP of real-mode callback procedure (see #01358) that will call through from real mode to a protected-mode routine EBX = 32-bit real-mode address of intermode call data buffer ECX = size in bytes of intermode call data buffer ES:EDX = protected-mode address of intermode call data buffer

Notes: This function is also supported by FlashTek X-32VM. X-32VM guarantees the intermode buffer to be at least 4 KB

See Also: AX=250Eh



(Table 01358)
Call Phar Lap real-mode callback with:.
STACK:
DWORD   offset to protected-mode code
WORD    placeholder for protected-mode CS
DWORD   pointer to selector structure (see #01359)
or 0000h:0000h for defaults
var     parameters for protected-mode procedure

Return:
Via FAR return

Format of Phar Lap selector structure:

Offset  Size    Description     (Table 01359)
00h    WORD    protected-mode GS selector
02h    WORD    protected-mode FS selector
04h    WORD    protected-mode ES selector
06h    WORD    protected-mode DS selector

Category: DOS Extenders - Int 21h - P

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