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Correct order of instructions so drive argument not overridden by later instruction to always 0 (first floppy) - thanks to Christian Masloch

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1635 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis 2011-06-21 23:56:12 +00:00
parent 4499bd29b3
commit d2075af8e9
1 changed files with 1 additions and 1 deletions
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kernel/memdisk.asm
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@ -43,10 +43,10 @@ CPU 386
push ecx push ecx
push edx ; we only care about high word push edx ; we only care about high word
push eax ; we only care about high word push eax ; we only care about high word
mov edx,53490000h ; magic3 +
mov dl, al ; drive number (only argument, assumed to be in AL) mov dl, al ; drive number (only argument, assumed to be in AL)
mov eax,454d0800h ; magic1 + AH=8 (get geometry) mov eax,454d0800h ; magic1 + AH=8 (get geometry)
mov ecx,444d0000h ; magic2 mov ecx,444d0000h ; magic2
mov edx,53490000h ; magic3 +
mov ebx,3f4b0000h ; magic4 mov ebx,3f4b0000h ; magic4
int 13h ; BIOS DISK API int 13h ; BIOS DISK API
shr eax,16 ; ignore AX shr eax,16 ; ignore AX