Separated Architecture independent thread controll into the root of the tree

[tpg/acess2.git] / Kernel / drv / vterm.c

diff --git a/Kernel/drv/vterm.c b/Kernel/drv/vterm.c
index 20ba90e..e5abc73 100644 (file)
--- a/Kernel/drv/vterm.c
+++ b/Kernel/drv/vterm.c
@@ -242,10 +242,9 @@ Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
        case VT_MODE_TEXT8:
                while(pos < Length)
                {
-                       while(term->InputRead == term->InputWrite)      Proc_Yield();
+                       while(term->InputRead == term->InputWrite)      Threads_Yield();
                        while(term->InputRead != term->InputWrite)
                        {
-                               LOG("WriteUTF8(%p, 0x%x)", Buffer+pos, term->InputBuffer[term->InputRead]);
                                pos += WriteUTF8(Buffer+pos, term->InputBuffer[term->InputRead]);
                                term->InputRead ++;
                                term->InputRead %= MAX_INPUT_CHARS;
@@ -256,7 +255,7 @@ Uint64 VT_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
        case VT_MODE_TEXT32:
                while(pos < Length)
                {
-                       while(term->InputRead == term->InputWrite)      Proc_Yield();
+                       while(term->InputRead == term->InputWrite)      Threads_Yield();
                        while(term->InputRead != term->InputWrite)
                        {
                                ((Uint32*)Buffer)[pos] = term->InputBuffer[term->InputRead];
@@ -356,6 +355,22 @@ void VT_int_PutString(tVTerm *Term, Uint8 *Buffer, Uint Count)
        }
 }
 
+/**
+ * \fn void VT_int_ClearLine(tVTerm *Term, int Num)
+ * \brief Clears a line in a virtual terminal
+ */
+void VT_int_ClearLine(tVTerm *Term, int Num)
+{
+        int    i;
+       //ENTER("pTerm iNum", Term, Num);
+       for( i = Term->Width; i--; )
+       {
+               Term->Text[ Num*Term->Width + i ].Ch = 0;
+               Term->Text[ Num*Term->Width + i ].Colour = Term->CurColour;
+       }
+       //LEAVE('-');
+}
+
 /**
  * \fn int VT_int_ParseEscape(tVTerm *Term, char *Buffer)
  * \brief Parses a VT100 Escape code
@@ -394,11 +409,17 @@ int VT_int_ParseEscape(tVTerm *Term, char *Buffer)
                        //Clear By Line
                        case 'J':
                                // Clear Screen
-                               if(args[0] == 2) {
-                                       memset(Term->Text, 0, Term->Width*Term->Height*VT_SCROLLBACK*sizeof(tVT_Char));
+                               switch(args[0])
+                               {
+                               case 2:
+                                       {
+                                        int    i = Term->Height * VT_SCROLLBACK;
+                                       while( i-- )    VT_int_ClearLine(Term, i);
                                        Term->WritePos = 0;
                                        Term->ViewPos = 0;
                                        VT_int_UpdateScreen(Term, 1);
+                                       }
+                                       break;
                                }
                                break;
                        // Set Font flags