Changeset 133 in xtideuniversalbios for trunk/Assembly_Library/Src/Menu/MenuScrollbars.asm

Timestamp:

Mar 12, 2011, 1:48:48 PM (14 years ago)

Author:

krille_n_@…

google:author:

krille_n_@hotmail.com

Message:

Size optimizations in various files in the Assembly Library. Also a very small change to a string in XTIDE_Universal_BIOS_Configurator_v2/Src/Strings.asm

File:

• trunk/Assembly_Library/Src/Menu/MenuScrollbars.asm (modified) (4 diffs)

trunk/Assembly_Library/Src/Menu/MenuScrollbars.asm

@@ -59 +59 @@
 ;   Corrupts registers:
 ;       CX, DX
-;--------------------------------------------------------------------   
+;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN
 .GetLastThumbLineToAX:
@@ -161 +161 @@
 .RotateItemInCX:
     mov     dx, [bp+MENUINIT.wItems]
-    cmp     cx, BYTE 0
-    jl      SHORT .RotateNegativeItemInCX
+    test    cx, cx
+    js      SHORT .RotateNegativeItemInCX
     cmp     cx, dx
     jae     SHORT .RotatePositiveItemInCX
@@ -193 +193 @@
 ALIGN JUMP_ALIGN
 MenuScrollbars_IsItemInCXonVisiblePage:
-    cmp     cx, [bp+MENU.wFirstVisibleItem]
-    jb      SHORT .ItemIsNotVisible
+    cmp     [bp+MENU.wFirstVisibleItem], cx
+    ja      SHORT .ItemIsNotVisible
 
     call    MenuScrollbars_GetLastVisibleItemOnPageToAX
@@ -200 +200 @@
     ja      SHORT .ItemIsNotVisible
     stc     ; Item is visible
-    ret
-ALIGN JUMP_ALIGN
+ALIGN JUMP_ALIGN, ret
 .ItemIsNotVisible:
-    clc
     ret