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Mask raw directory bit when giving drive number to int13

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Nero 2019-10-17 19:19:12 +00:00
parent b3014ef8e4
commit e70386bcfb
1 changed files with 1 additions and 0 deletions
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kernel/drive.asm
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@ -43,6 +43,7 @@ drive_read:
mov si, 5 ; retry count mov si, 5 ; retry count
.try: .try:
mov dl, [bx+fcb_drv] ; drive number mov dl, [bx+fcb_drv] ; drive number
and dl, 0x7F
dec dl dec dl
mov ax, 0x0201 mov ax, 0x0201
mov bx, diskbuf mov bx, diskbuf