Hello Hidasi,
Hidasi Jozsef wrote to Peter Magnusson :
 HJ>  I've a big probelm:
 HJ>    I would like to access the memory >1Mb, but there's no
 HJ> HIMemory
 HJ>    handler in the memory... So Could you help me a short source
 HJ> how to
 HJ>    read it? Do I have to use Protected Mode for it???
Maybe you can use Int 15h AH 87h.....
>>> File: /tmp/b-1587.dat <<<
Interrupt Helper v1.0               B-1587
INT 15 - SYSTEM - COPY EXTENDED MEMORY
        AH = 87h
        CX = number of words to copy (max 8000h)
        ES:SI -> global descriptor table (see #0403)
Return: CF set on error
        CF clear if successful
        AH = status (see #0402)
Notes:  copy is done in protected mode with interrupts disabled by the 
efault
          BIOS handler; many 386 memory managers perform the copy with
          interrupts enabled
        this function is incompatible with the OS/2 compatibility box
SeeAlso: AH=88h,AH=89h,INT 1F/AH=90h
(Table 0402)
Values for extended-memory copy status:
 00h    source copied into destination
 01h    parity error
 02h    interrupt error
 03h    address line 20 gating failed
 80h    invalid command (PC,PCjr)
 86h    unsupported function (XT,PS30)
Format of global descriptor table:
Offset  Size    Description     (Table 0403)
 00h 16 BYTEs   zeros (used by BIOS)
 10h    WORD    source segment length in bytes (2*CX-1 or greater)
 12h  3 BYTEs   24-bit linear source address, low byte first
 15h    BYTE    source segment access rights (93h)
 16h    WORD    zero
 18h    WORD    destination segment length in bytes (2*CX-1 or greater)
 1Ah  3 BYTEs   24-bit linear destination address, low byte first
 1Dh    BYTE    destination segment access rights (93h)
 1Eh 18 BYTEs   zeros (used by BIOS)
>>> EndFile <<<
Have a nice day Hidasi.		- Jan Wagemakers -
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