Changeset 184 in xtideuniversalbios for trunk/Assembly_Library

Timestamp:

Nov 15, 2011, 5:21:19 AM (13 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

Space optimization, added a new format character 'I' which is the same as 'u' but shows a dash if the operand is zero. Replaces the PushIRQ functionality in bootmenuprintcfg.asm. This only saves a few bytes now, but saves significantly more with the string compression code.

File:

• trunk/Assembly_Library/Src/Display/DisplayFormat.asm (modified) (4 diffs)

trunk/Assembly_Library/Src/Display/DisplayFormat.asm

@@ -128 +128 @@
 .rgcFormatCharToLookupIndex:
 %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
-    db      "aAduxsSct-+%"
+    db      "aIAduxsSct-+%"
 %else
-    db      "Auxsc-"        ; Required by XTIDE Universal BIOS
+    db      "IAuxsc-"       ; Required by XTIDE Universal BIOS
 %endif
 .rgcFormatCharToLookupIndexEnd:
@@ -138 +138 @@
     dw      a_FormatAttributeForNextCharacter
 %endif
+    dw      I_FormatDashForZero
     dw      A_FormatAttributeForRemainingString
 %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
@@ -320 +321 @@
 %endif
 
-ALIGN JUMP_ALIGN
+ALIGN JUMP_ALIGN        
 u_FormatUnsignedDecimalWord:
     mov     ax, [bp]
@@ -335 +336 @@
 
 ALIGN JUMP_ALIGN
+I_FormatDashForZero:
+    mov     ax, [bp]
+    test    ax,ax
+    jnz     u_FormatUnsignedDecimalWord     
+    mov     [bp], word g_szDashForZero
+;;; fall-through
+        
+ALIGN JUMP_ALIGN
 s_FormatStringFromSegmentCS:
     xchg    si, [bp]