Changeset 9946 for trunk/src/kernel32/asmutil.asm

Timestamp:

Mar 27, 2003, 3:13:11 PM (22 years ago)

Author:

sandervl

Message:

memory map updates

File:

• trunk/src/kernel32/asmutil.asm (modified) (4 diffs)

trunk/src/kernel32/asmutil.asm

@@ -1 @@
-; $Id: asmutil.asm,v 1.2 2002-05-15 10:57:44 sandervl Exp $
+; $Id: asmutil.asm,v 1.3 2003-03-27 14:13:10 sandervl Exp $
 
 ;/*
@@ -20 +20 @@
         assume  cs:FLAT, ds:FLAT, ss:FLAT, es:FLAT
 
+extrn   Dos32TIB:abs
+
 CODE32          SEGMENT DWORD PUBLIC USE32 'CODE'
 
@@ -99 +101 @@
         PUBLIC RestoreOS2FS
 RestoreOS2FS proc near
-        push    150bh
+        push    Dos32TIB
         mov     ax, fs
         pop     fs
@@ -189 +191 @@
 
 
+        align 4h
+
+        public _set_bit
+;void CDECL set_bit(int bitnr, void *addr);
+_set_bit proc near
+    push esi
+
+    mov  esi, [esp+12]
+    mov  eax, [esp+8]
+
+    bts  dword ptr [esi], eax
+
+    pop  esi
+    ret
+_set_bit endp
+
+        align 4h
+
+        public _test_bit
+;int CDECL test_bit(int bitnr, void *addr);
+_test_bit proc near
+    push esi
+
+    mov  esi, [esp+12]
+    mov  eax, [esp+8]
+
+    bt   dword ptr [esi], eax
+    setc al
+    movzx eax, al
+
+    pop  esi
+    ret
+_test_bit endp
+
+        public _clear_bit
+;void CDECL clear_bit(int bitnr, void *addr);
+_clear_bit proc near
+    push esi
+
+    mov  esi, [esp+12]
+    mov  eax, [esp+8]
+
+    btr  dword ptr [esi], eax
+
+    pop  esi
+    ret
+_clear_bit endp
+
 CODE32          ENDS