Changeset 161 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h


Ignore:
Timestamp:
May 8, 2011, 8:02:52 PM (14 years ago)
Author:
krille_n_@…
google:author:
krille_n_@hotmail.com
Message:

Changes to XTIDE Universal BIOS:

  • Minor size optimizations.
  • Tried to minimize the time spent with interrupts disabled in IdeIrq.asm and Int13h.asm
File:
1 edited

Legend:

Unmodified
Added
Removed

  • trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Address.asm

    r158 r161  
    9393    shl     dx, cl                  ; DX = LCylinder << n
    9494    add     ax, dx                  ; AX = P-CHS Cylinder number
    95     mov     cx, ax                  ; Copy P-CHS Cylinder number to CX
     95    xchg    cx, ax                  ; Move P-CHS Cylinder number to CX
    9696DoNotConvertLCHS:
    9797    ret
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