[hbelusca] 62311: [NTVDM]: We can call now directly the interrupts instead of the internal functions BiosPeekCharacter and VidBiosPrintCharacter (so that if some program hooks them, we behave corre...

Author: hbelusca
Date: Sun Feb 23 19:43:31 2014
New Revision: 62311
URL: http://svn.reactos.org/svn/reactos?rev=62311&view=rev
Log:
[NTVDM]: We can call now directly the interrupts instead of the internal functions
BiosPeekCharacter and VidBiosPrintCharacter (so that if some program hooks them, we behave
correctly).
Modified:
    branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.c
    branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.h
    branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.c
    branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.h
    branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/bios.c
    branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/dos.c
Modified: branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios/bio…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.c     [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.c     [iso-8859-1] Sun Feb 23
19:43:31 2014
@@ -81,7 +81,7 @@
     return TRUE;
 }
-WORD BiosPeekCharacter(VOID)
+static WORD BiosPeekCharacter(VOID)
 {
     WORD CharacterData = 0;
Modified: branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios/bio…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.h     [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios/bios32/kbdbios32.h     [iso-8859-1] Sun Feb 23
19:43:31 2014
@@ -38,7 +38,6 @@
 /* FUNCTIONS ******************************************************************/
-WORD BiosPeekCharacter(VOID);
 WORD BiosGetCharacter(VOID);
 BOOLEAN KbdBios32Initialize(HANDLE ConsoleInput);
Modified: branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios/bio…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.c     [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.c     [iso-8859-1] Sun Feb 23
19:43:31 2014
@@ -1045,7 +1045,7 @@
     return TRUE;
 }
-VOID VidBiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page)
+static VOID VidBiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page)
 {
     WORD CharData = MAKEWORD(Character, Attribute);
     BYTE Row, Column;
Modified: branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bios/bio…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.h     [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bios/bios32/vidbios32.h     [iso-8859-1] Sun Feb 23
19:43:31 2014
@@ -36,8 +36,6 @@
 /* FUNCTIONS ******************************************************************/
-VOID VidBiosPrintCharacter(CHAR Character, BYTE Attribute, BYTE Page);
-
 BOOLEAN VidBios32Initialize(HANDLE BiosConsoleOutput);
 VOID VidBios32Cleanup(VOID);
Modified: branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/bios.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/dos/dos3…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/bios.c        [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/bios.c        [iso-8859-1] Sun Feb 23
19:43:31 2014
@@ -93,8 +93,18 @@
     if (IsConsoleHandle(Handle))
     {
+        /* Save AX */
+        USHORT AX = getAX();
+
         /* Call the BIOS */
-        return (BiosPeekCharacter() != 0xFFFF);
+        setAH(0x01); // or 0x11 for enhanced, but what to choose?
+        Int32Call(&DosContext, BIOS_KBD_INTERRUPT);
+
+        /* Restore AX */
+        setAX(AX);
+
+        /* Return keyboard status */
+        return (getZF() == 0);
     }
     else
     {
Modified: branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/dos.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/dos/dos3…
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/dos.c [iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/dos/dos32krnl/dos.c [iso-8859-1] Sun Feb 23 19:43:31
2014
@@ -809,8 +809,23 @@
     {
         for (i = 0; i < Count; i++)
         {
-            /* Call the BIOS to print the character */
-            VidBiosPrintCharacter(((LPBYTE)Buffer)[i], DOS_CHAR_ATTRIBUTE,
Bda->VideoPage);
+            /* Save AX and BX */
+            USHORT AX = getAX();
+            USHORT BX = getBX();
+
+            /* Set the parameters */
+            setAL(((PCHAR)Buffer)[i]);
+            setBL(DOS_CHAR_ATTRIBUTE);
+            setBH(Bda->VideoPage);
+
+            /* Call the BIOS INT 10h, AH=0Eh "Teletype Output" */
+            setAH(0x0E);
+            Int32Call(&DosContext, BIOS_VIDEO_INTERRUPT);
+
+            /* Restore AX and BX */
+            setBX(BX);
+            setAX(AX);
+
             BytesWritten32++;
         }
     }
@@ -2513,14 +2528,17 @@
     USHORT AX = getAX();
     USHORT BX = getBX();
+    /* Set the parameters (AL = character, already set) */
     setBL(DOS_CHAR_ATTRIBUTE);
     setBH(Bda->VideoPage);
+
+    /* Call the BIOS INT 10h, AH=0Eh "Teletype Output" */
     setAH(0x0E);
-    Int32Call(&DosContext, 0x10);
+    Int32Call(&DosContext, BIOS_VIDEO_INTERRUPT);
     /* Restore AX and BX */
+    setBX(BX);
     setAX(AX);
-    setBX(BX);
 #endif
 }