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pst
2002 Sep 03
0
isolinux.asm - improving spec_query_failed routine...
...ov dl, 0ffh ; drive number
get_emul_drive1:
mov ax, 4b01h ; get status
mov [spec_packet], 0
call int13
; Bogus Dell PC's do not return carry flag correctly - ignoring it
; jnc get_emul_drive_ok
; some bogus bioses (Dell Inspiron 2500) returns packet size 0xff when
failed
; Dell Dimension XPsT returns packet size 0x14 when OK
cmp [spec_packet], 13h ; anything between 13h and 20h
should be OK
jb get_emul_trynext
cmp [spec_packet], 20h
ja get_emul_trynext
jmp short get_emul_drive_ok
get_emul_trynext:
dec dl
cmp dl, 80h
jb get_emul_drive_nok
jmp get_emul_drive1
; cmp [spec_packe...