Changeset 503 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeIO.asm

Timestamp:

Feb 13, 2013, 6:12:04 PM (11 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Optimized AH=0h a bit.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeIO.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeIO.asm

@@ -125 +125 @@
 
 .ShlRegisterIndexInDX:
-    add     dl, XTCF_CONTROL_BLOCK_OFFSET
     shl     dx, 1
+    add     dx, BYTE XTCF_CONTROL_BLOCK_OFFSET
     jmp     SHORT OutputALtoRegisterInDX