Changeset 292 in xtideuniversalbios for trunk/Assembly_Library/Src

Timestamp:

Mar 3, 2012, 6:53:28 AM (13 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

Small optimization, moved around some serial code to avoid a few jumps and unnecessary number of sectors check.

File:

• trunk/Assembly_Library/Src/Serial/SerialServer.asm (modified) (2 diffs)

trunk/Assembly_Library/Src/Serial/SerialServer.asm

@@ -37 +37 @@
         mov     al,[bp+SerialServer_Command.bSectorCount]
         mov     ah,[bp+SerialServer_Command.bCommand]
+        
 ;
 ; Command byte and sector count live at the top of the stack, pop/push are used to access
@@ -116 +117 @@
         push    ax
 
+%ifndef SERIALSERVER_NO_ZERO_SECTOR_COUNTS
         test    al,al           ; if no sectors to be transferred, wait for the ACK checksum on the command
         jz      .zeroSectors
-
+%endif
+        
 ;
 ; Top of the read/write loop, one iteration per sector