Changeset 105 in xtideuniversalbios for trunk/Assembly_Library/Src/File/FileIO.asm

Timestamp:

Feb 17, 2011, 2:52:42 PM (13 years ago)

Author:

aitotat

google:author:

aitotat

Message:

Changes to Assembly Library:

• More optimizations to reduce size.
• Removed some utility functions to reduce size.

File:

• trunk/Assembly_Library/Src/File/FileIO.asm (modified) (4 diffs)

trunk/Assembly_Library/Src/File/FileIO.asm

@@ -1 @@
-; File name     :   FileIO.asm
 ; Project name  :   Assembly Library
-; Created date  :   1.9.2010
-; Last update   :   6.12.2010
-; Author        :   Tomi Tilli
 ; Description   :   Functions for file access.
 
@@ -175 +171 @@
 ALIGN JUMP_ALIGN
 .TransferNextBytes:
-    call    Registers_NormalizeDSSI
+    call    NormalizeDSSI
     call    bp                      ; Transfer function
     jc      SHORT .ErrorOccurredDuringTransfer
@@ -184 +180 @@
     pop     cx                      ; CX = Bytes for last transfer
     jcxz    .ReturnErrorCodeInAX    ; No remaining bytes
-    call    Registers_NormalizeDSSI
+    call    NormalizeDSSI
     call    bp
 .ReturnErrorCodeInAX:
@@ -195 +191 @@
     pop     cx                      ; Remove bytes for last transfer
     jmp     SHORT .ReturnErrorCodeInAX
+
+;--------------------------------------------------------------------
+; NormalizeDSSI
+;   Parameters
+;       DS:SI:  Ptr to normalize
+;   Returns:
+;       DS:SI:  Normalized pointer
+;   Corrupts registers:
+;       Nothing
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+NormalizeDSSI:
+    push    dx
+    push    ax
+    NORMALIZE_FAR_POINTER ds, si, ax, dx
+    pop     ax
+    pop     dx
+    ret