Usermode/GUITerminal - Progressing, compiles and runs but stubbed

[tpg/acess2.git] / Usermode / Applications / gui_shell_src / vt100.c

diff --git a/Usermode/Applications/gui_shell_src/vt100.c b/Usermode/Applications/gui_shell_src/vt100.c
index 51c8016..190f42c 100644 (file)
--- a/Usermode/Applications/gui_shell_src/vt100.c
+++ b/Usermode/Applications/gui_shell_src/vt100.c
@@ -2,22 +2,28 @@
  * Acess GUI Terminal
  * - By John Hodge (thePowersGang)
  *
- * main.c
- * - Core
+ * vt100.c
+ * - VT100/xterm Emulation
  */
 #include <string.h>
+#include <limits.h>
 #include "include/vt100.h"
 #include "include/display.h"
 
+static inline int min(int a, int b)
+{
+       return a < b ? a : b;
+}
+
 int Term_HandleVT100(int Len, const char *Buf)
 {
-       const int       max_length = 16;
-       static char     inc_buf[max_length]
+       #define MAX_VT100_ESCAPE_LEN    16
+       static char     inc_buf[MAX_VT100_ESCAPE_LEN];
        static int      inc_len = 0;
 
        if( inc_len > 0 || *Buf == '\x1b' )
        {
-               memcpy(inc_buf + inc_len, Buf, min(max_length - inc_len, Len));
+               memcpy(inc_buf + inc_len, Buf, min(MAX_VT100_ESCAPE_LEN - inc_len, Len));
                // Handle VT100 (like) escape sequence
                
                inc_len = 0;
@@ -28,16 +34,18 @@ int Term_HandleVT100(int Len, const char *Buf)
        {
        case '\b':
                // TODO: Backspace
+               Display_MoveCursor(-1, 0);
                return 1;
        case '\t':
-               // TODO: tab
+               // TODO: tab (get current cursor pos, space until multiple of 8)
                return 1;
        case '\n':
                Display_Newline(1);
                return 1;
        case '\r':
                // TODO: Carriage return
-               return ;
+               Display_MoveCursor(INT_MIN, 0);
+               return 1;
        }
 
         int    ret = 0;