Hi!
16-Фев-2004 16:58 [EMAIL PROTECTED] (Eric Auer) wrote to [EMAIL PROTECTED]:
EA> Hi Arkady, if we are already "talking optimization": Reading whole
EA> floppy FAT in RAM is both small and fast, so no problem there. Reading
Reading only required sectors (in medium) is faster and not (much)
bigger.
EA> both floppy FAT and root dir is probably still only 1 track which could
EA> be done in one access (but beware - old BIOSes cannot cross track boundaries
EA> in a single write).
All current boot*.asm read only one by one sector (INT 13/0201 and INT
13/42 with sectors field=1).
EA> HOWEVER, the REAL optimization would be to read many
EA> KERNEL sectors in each int 13 call. Would need a fragmentation check,
For this in boot sector is not enough space.
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