Login new

login.c

@@ -23,18 +23,75 @@
 static uint8 script_login_name[64];
 static uint8 script_file_server[52];
 
-#if defined(__WATCOMC__)
-extern void textbackground(int color);
-extern void textcolor(int color);
-extern void clrscr(void);
-extern void gotoxy(int x, int y);
-#endif
-
-extern char **build_argv(char *buf, int bufsize, char *str);
+static char **build_argv(char *buf, int bufsize, char *str);
 extern int read_command_file(char *fstr);
 extern int get_fs_name(int connid, char *name);
 
 
+static uint8 login_video_attr = 0x07;
+
+static void login_gotoxy(int x, int y)
+{
+  REGS regs;
+
+  regs.h.ah = 0x02;
+  regs.h.bh = 0x00;
+  regs.h.dh = (uint8)(y - 1);
+  regs.h.dl = (uint8)(x - 1);
+  int86(0x10, &regs, &regs);
+}
+
+static void login_cls_attr(uint8 attr)
+{
+  REGS regs;
+
+  regs.h.ah = 0x06;
+  regs.h.al = 0x00;
+  regs.h.bh = attr;
+  regs.h.ch = 0;
+  regs.h.cl = 0;
+  regs.h.dh = 24;
+  regs.h.dl = 79;
+  int86(0x10, &regs, &regs);
+  login_gotoxy(1, 1);
+}
+
+static void login_write_attr(int x, int y, const char *s, uint8 attr)
+{
+  REGS regs;
+  int col = x;
+
+  while (*s) {
+    login_gotoxy(col++, y);
+    regs.h.ah = 0x09;
+    regs.h.al = (uint8)*s++;
+    regs.h.bh = 0;
+    regs.h.bl = attr;
+    regs.x.cx = 1;
+    int86(0x10, &regs, &regs);
+  }
+  login_gotoxy(col, y);
+}
+
+static void login_fill_line(int y, uint8 attr)
+{
+  REGS regs;
+
+  login_gotoxy(1, y);
+  regs.h.ah = 0x09;
+  regs.h.al = ' ';
+  regs.h.bh = 0;
+  regs.h.bl = attr;
+  regs.x.cx = 80;
+  int86(0x10, &regs, &regs);
+}
+
+static void login_screen_normal(void)
+{
+  login_video_attr = 0x07;
+}
+
+
 static int login_help(void)
 {
   fprintf(stdout, "\n");
@@ -58,20 +115,12 @@ static int login_help(void)
 
 static void login_banner(void)
 {
-  int i;
-
-  textbackground(BLUE);
-  textcolor(WHITE);
-  clrscr();
-
-  gotoxy(1, 1);
-  for (i = 0; i < 80; i++) putch(' ');
-  gotoxy(36, 1);
-  cputs("Mars NWE");
-
-  textbackground(BLACK);
-  textcolor(LIGHTGRAY);
-  gotoxy(1, 3);
+  login_video_attr = 0x1f; /* white on blue */
+  login_cls_attr(login_video_attr);
+  login_fill_line(1, login_video_attr);
+  login_write_attr(36, 1, "Mars NWE", login_video_attr);
+  login_screen_normal();
+  login_gotoxy(1, 3);
 }
 
 static char *skip_spaces(char *p)
@@ -256,7 +305,7 @@ static int script_execute_line(char *line)
   }
 
   if (!strcmp(cmd, "CLS")) {
-    clrscr();
+    login_cls_attr(0x07);
     return(0);
   }
 
@@ -495,7 +544,7 @@ int func_login(int argc, char *argv[], int mode)
     if (argv[1][0] == '-' || argv[1][0] == '/') {
       if (argv[1][1] == 'u' || argv[1][1] == 'U') option |= 1;
       else if (!strcmp(argv[1], "/NS") || !strcmp(argv[1], "-NS")) no_script = 1;
-      else if (!strcmp(argv[1], "/CLS") || !strcmp(argv[1], "-CLS")) clrscr();
+      else if (!strcmp(argv[1], "/CLS") || !strcmp(argv[1], "-CLS")) login_cls_attr(0x07);
       else return(login_usage());
       argc--;
       argv++;