(re)set the controlling terminal.

This is necessary to read input from the console (via the Event Manager) since opening a pseudo terminal screws up the controlling terminal (and there is no O_NOCTTY flag).

GNUmakefile

@@ -19,7 +19,7 @@ marlene: $(MARLENE_OBJS) $(COMMON_OBJS)
 
 darlene: $(DARLENE_OBJS) $(COMMON_OBJS)
 	$(CC) -lutil -o $@ $^
-	iix chtyp -a 0xdc00 $@
+# 	iix chtyp -a 0xdc00 $@
 
 
 

darlene.c

@@ -192,6 +192,11 @@ int main(int argc, char **argv) {
 		return 1;
 	}
 
+	if (!isatty(STDIN_FILENO)) {
+		ErrWriteCString("stdin required.\r\n");
+		return 1;
+	}
+
 	term_var.value = "\x05\x00vt100";
 	child_argv = NULL;
 	for (i = 1; i < argc; ++i) {
@@ -260,6 +265,11 @@ int main(int argc, char **argv) {
 		goto _exit;
 	}
 
+	/* reset the controlling terminal, which was clobbered by opening a pty */
+	/* standard TIOCSCTTY causes ORCA/C shift errors */
+	#undef TIOCSCTTY
+	#define TIOCSCTTY (0x20000000ul | ('t' << 8) | 97)
+	ioctl(STDIN_FILENO, TIOCSCTTY, (void *)0);
 
 
 	for(;;) {

vt100.c

@@ -100,11 +100,11 @@ void vt100_init(unsigned flags)
 		LNM = flags & vtLNM;
 	}
 
-	tabs[0] = 0x8080;
-	tabs[1] = 0x8080;
-	tabs[2] = 0x8080;
-	tabs[3] = 0x8080;
-	tabs[4] = 0x0080;
+	tabs[0] = 0x0100;
+	tabs[1] = 0x0101;
+	tabs[2] = 0x0101;
+	tabs[3] = 0x0101;
+	tabs[4] = 0x0101;
 
 	parms[0] = 0;
 	parm_count = 0;
@@ -355,7 +355,7 @@ static void clear_tabs(void) {
 					tabs[chunk] &= ~mask;		
 				}
 				break;
-			case 5:
+			case 3:
 				tabs[0] = 0;
 				tabs[1] = 0;
 				tabs[2] = 0;
@@ -649,6 +649,39 @@ void vt100_process(const unsigned char *buffer, unsigned buffer_size) {
 	ShowCursor(__x, __y);
 }
 
+/* adb codes for extended keys.  passed as-is with keypad bit set */
+/* nb - kegs gobbles up fkeys for his own use */
+enum {
+	kVK_F17                       = 0x40,
+	kVK_VolumeUp                  = 0x48,
+	kVK_VolumeDown                = 0x49,
+	kVK_Mute                      = 0x4A,
+	kVK_F18                       = 0x4F,
+	kVK_F19                       = 0x50,
+	kVK_F20                       = 0x5A,
+	kVK_F5                        = 0x60,
+	kVK_F6                        = 0x61,
+	kVK_F7                        = 0x62,
+	kVK_F3                        = 0x63,
+	kVK_F8                        = 0x64,
+	kVK_F9                        = 0x65,
+	kVK_F11                       = 0x67,
+	kVK_F13                       = 0x69,
+	kVK_F16                       = 0x6A,
+	kVK_F14                       = 0x6B,
+	kVK_F10                       = 0x6D,
+	kVK_F12                       = 0x6F,
+	kVK_F15                       = 0x71,
+	kVK_Help                      = 0x72,
+	kVK_Home                      = 0x73,
+	kVK_PageUp                    = 0x74,
+	kVK_ForwardDelete             = 0x75,
+	kVK_F4                        = 0x76,
+	kVK_End                       = 0x77,
+	kVK_F2                        = 0x78,
+	kVK_PageDown                  = 0x79,
+	kVK_F1                        = 0x7A
+};
 
 //
 // remap the iigs key to a vt100 code (if necessary) and send it out.
@@ -724,22 +757,22 @@ void vt100_event(EventRecord *event) {
 			break;
 
 
-		case 0x7a: // f1
+		case kVK_F1: // f1
 			if (DECANM) { cp = ESC "OP"; len = 3; }
 			else { cp = ESC "P"; len = 2; }
 			break;
 
-		case 0x78: // f2
+		case kVK_F2: // f2
 			if (DECANM) { cp = ESC "OQ"; len = 3; }
 			else { cp = ESC "Q"; len = 2; }
 			break;
 
-		case 0x63: // f3
+		case kVK_F3: // f3
 			if (DECANM) { cp = ESC "OR"; len = 3; }
 			else { cp = ESC "R"; len = 2; }
 			break;
 
-		case 0x76: // f4
+		case kVK_F4: // f4
 			if (DECANM) { cp = ESC "OS"; len = 3; }
 			else { cp = ESC "S"; len = 2; }
 			break;