Changeset 223 in xtideuniversalbios for trunk/Assembly_Library/Inc/Emulate.inc

Timestamp:

Jan 25, 2012, 8:20:06 PM (12 years ago)

Author:

krille_n_@…

google:author:

krille_n_@hotmail.com

Message:

Changes:

• Fixed what appears to be a mistake in EBIOS.inc
• Added a 'release' option to the makefile of the Serial Server (invokes UPX)
• Some very minor optimizations
• Removed the eSEG macro and did some other cleanups (fixed typos etc)

File:

• trunk/Assembly_Library/Inc/Emulate.inc (modified) (2 diffs)

trunk/Assembly_Library/Inc/Emulate.inc

@@ -370 +370 @@
 
 ;--------------------------------------------------------------------
-; Segment override prefix instruction.
-;
-; eSEG
-;   Parameters:
-;       %1:     Name of the segment (ES, CS, SS, DS, FS or GS)
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------
-%macro eSEG 1
-    %ifidni %1, es
-        db  00100110b
-    %elifidni %1, cs
-        db  00101110b
-    %elifidni %1, ss
-        db  00110110b
-    %elifidni %1, ds
-        db  00111110b
-    %elifidni %1, fs
-        db  01100100b
-    %elifidni %1, gs
-        db  01100101b
-    %else
-        %error "Invalid segment override passed to eSEG!"
-    %endif
-%endmacro
-
-
-;--------------------------------------------------------------------
 ; Repeats string instruction with segment override.
 ; This macro prevents 8088/8086 restart bug.
@@ -416 +386 @@
 %macro eSEG_STR 3
 %ifndef USE_186 ; 8088/8086 has string instruction restart bug when more than one prefix
-     %%Loop:
-        %1                      ; REP is the prefix that can be lost
-        eSEG    %2              ; SEG is the prefix that won't be lost
-        %3                      ; String instruction
-        jcxz    %%End           ; Jump to end if no repeats left (preserves FLAGS)
-        jmp     SHORT %%Loop    ; Loop while repeats left
-     %%End:
+    %%Loop:
+        %1                      ; REP is the prefix that can be lost
+        %2                      ; SEG is the prefix that won't be lost
+        %3                      ; String instruction
+        jcxz    %%End           ; Jump to end if no repeats left (preserves FLAGS)
+        jmp     SHORT %%Loop    ; Loop while repeats left
+    %%End:
 %else   ; No bug on V20/V30 and later, don't know about 188/186
-    eSEG    %2
-    %1      %3
+    %2
+    %1 %3
 %endif
 %endmacro