flags to initialize vt100 parameters.

darlene.c

@@ -25,9 +25,7 @@
 #include <gno/gno.h>
 #include <gno/kerntool.h>
 
-extern void vt100_init(void);
-extern void vt100_process(const unsigned char *buffer, unsigned buffer_size);
-extern void vt100_event(EventRecord *event);
+#include "vt100.h"
 
 extern void screen_init(void);
 extern void screen_on(void);
@@ -182,7 +180,7 @@ int main(int argc, char **argv) {
 	int pid;
 	unsigned i;
 	Word MyID;
-
+	unsigned vt100_flags = vtDEFAULT;
 	Handle dpHandle = NULL;
 	Handle shrHandle = NULL;
 	Handle shdHandle = NULL;
@@ -199,12 +197,14 @@ int main(int argc, char **argv) {
 	for (i = 1; i < argc; ++i) {
 		char *cp = argv[i];
 		if (cp[0] != '-') break;
-		if (strcmp(cp, "--vt52") == 0) {
+		if (strcmp(cp, "--") == 0) {
+			break;
+		} else if (strcmp(cp, "--vt52") == 0) {
 			term_var.value = "\x04\x00vt52";
+			vt100_flags &= ~vtDECANM;
 		} else if (strcmp(cp, "--vt100") == 0) {
 			term_var.value = "\x05\x00vt100";
-		} else if (strcmp(cp,"--") == 0) {
-			break;
+			vt100_flags |= vtDECANM;
 		} else {
 			ErrWriteCString("Unknown option: ");
 			ErrWriteCString(cp);
@@ -251,7 +251,7 @@ int main(int argc, char **argv) {
 
 	screen_init();
 
-	vt100_init();
+	vt100_init(vt100_flags);
 
 	signal(SIGCHLD,sigchild);
 	pid = forkpty2(&master, NULL, NULL, NULL);

marlene.c

@@ -22,7 +22,7 @@
 
 #include "telnet.h"
 #include "marinetti.h"
-
+#include "vt100.h"
 
 void display_pstr(const char *);
 void display_cstr(const char *);
@@ -31,9 +31,6 @@ void display_err(Word);
 extern void telnet_init(void);
 extern void telnet_process(void);
 
-extern void vt100_init(void);
-extern void vt100_process(const unsigned char *buffer, unsigned buffer_size);
-extern void vt100_event(EventRecord *event);
 
 extern void screen_init(void);
 extern void screen_on(void);
@@ -113,7 +110,7 @@ int main(int argc, char **argv) {
 	int mf = 0;
 	Word MyID;
 	Word __gno;
-
+	unsigned vt100_flags = vtDEFAULT;
 
 	__gno = false;
 	ipid = -1;
@@ -131,10 +128,12 @@ int main(int argc, char **argv) {
 	for (i = 1; i < argc; ++i) {
 		char *cp = argv[i];
 		if (cp[0] != '-') break;
-		if (strcmp(cp, "--vt52") == 0) {
-
+		if (strcmp(cp, "--") == 0) {
+			break;
+		} else if (strcmp(cp, "--vt52") == 0) {
+			vt100_flags &= ~vtDECANM;
 		} else if (strcmp(cp, "--vt100") == 0) {
-
+			vt100_flags |= vtDECANM;
 		} else {
 			ErrWriteCString("Unknown option: ");
 			ErrWriteCString(cp);
@@ -177,7 +176,7 @@ int main(int argc, char **argv) {
 
 	screen_init();
 
-	vt100_init();
+	vt100_init(vt100_flags);
 
 	mf = StartUpTCP(printCallBack);
 	if (mf < 0) {

telnet.c

@@ -108,12 +108,16 @@ void telnet_process(void) {
 		IAC, SE
 	};
 
-	static unsigned char telopt_ttype[] = {
+	static unsigned char telopt_ttype_vt100[] = {
 		IAC, SB, TELOPT_TTYPE, TELQUAL_IS,
 		'V', 'T', '1', '0', '0',
 		IAC, SE
 	};
-
+	static unsigned char telopt_ttype_vt52[] = {
+		IAC, SB, TELOPT_TTYPE, TELQUAL_IS,
+		'V', 'T', '5', '2',
+		IAC, SE
+	};
 
 
 	/* don't need to process if no state, no IACs in buffer */
@@ -186,7 +190,7 @@ void telnet_process(void) {
 						send(telopt_tspeed, sizeof(telopt_tspeed));
 						break;
 					case TELOPT_TTYPE:
-						send(telopt_ttype, sizeof(telopt_ttype));
+						send(telopt_ttype_vt100, sizeof(telopt_ttype_vt100));
 						break;
 
 					default:

vt100.c

@@ -2,11 +2,12 @@
  * This handles vt100 commands.
  *
  */
-#pragma noroot
 
 #include <Event.h>
 #include <ctype.h>
 
+#include "vt100.h"
+
 #define ESC "\x1b"
 #define send_str(x) send((const unsigned char *)x, sizeof(x)-1)
 
@@ -63,8 +64,11 @@ static unsigned parm_count;
 static unsigned private;
 static unsigned state;
 
-void vt100_init(void)
+static unsigned initial_state = vtDEFAULT;
+
+void vt100_init(unsigned flags)
 {
+
 	__x = 0;
 	__y = 0;
 	saved_cursor[0] = 0;
@@ -74,6 +78,8 @@ void vt100_init(void)
 	and_mask = 0xffff;
 	xor_mask = 0x0000;
 
+	initial_state = flags;
+	if (flags == -1) {
 		DECANM = 1;
 		DECAWM = 1;
 		DECCKM = 0;
@@ -82,6 +88,16 @@ void vt100_init(void)
 		DECOM = 0;
 		DECSCNM = 0;
 		LNM = 0;
+	} else {
+		DECANM = flags & vtDECANM;
+		DECAWM = flags & vtDECAWM;
+		DECCKM = flags & vtDECCKM;
+		DECKPAM = flags & vtDECKPAM;
+		DECCOLM = flags & vtDECCOLM ? 132 : 80;
+		DECOM = flags & vtDECOM;
+		DECSCNM = flags & vtDECSCNM;
+		LNM = flags & vtLNM;
+	}
 
 	tabs[0] = 0x8080;
 	tabs[1] = 0x8080;
@@ -521,7 +537,7 @@ void vt100_process(const unsigned char *buffer, unsigned buffer_size) {
 					case '8': restore_cursor(); break;
 					case '=': DECKPAM = 1; break;
 					case '>': DECKPAM = 0; break;
-					case 'c': vt100_init(); ClearScreen(); break;
+					case 'c': vt100_init(initial_state); ClearScreen(); break;
 					case '1': case '2': /* vt105 graphic stuff */ break;
 					default:
 						break;

vt100.gsh

@@ -0,0 +1,11 @@
+#
+#
+# some settings so gsh works better with vt100.
+# source vt100.gsh
+#
+set term=vt100
+bindkey backward-delete-char "^H"
+bindkey up-history "^[[A"
+bindkey down-history "^[[B"
+bindkey forward-char "^[[C"
+bindkey backward-char "^[[D"

vt100.h

@@ -0,0 +1,20 @@
+#ifndef vt100_h
+#define vt100_h
+
+enum {
+	vtDECCKM = 1 << 1,	/* Cursor key */
+	vtDECANM = 1 << 2,	/* ANSI/VT52 */
+	vtDECCOLM = 1 << 3,	/* Column */
+	vtDECSCNM = 1 << 4,	/* Screen */
+	vtDECOM = 1 << 6,	/* Origin */
+	vtDECAWM = 1 << 7,	/* Auto wrap */
+	vtDECKPAM = 1 << 8, /*  Keypad Application Mode */
+	vtLNM = 1 << 9, /* Line Feed/New Line Mode */
+	vtDEFAULT = vtDECANM | vtDECAWM,
+};
+
+void vt100_init(unsigned flags);
+extern void vt100_process(const unsigned char *buffer, unsigned buffer_size);
+extern void vt100_event(struct EventRecord *event);
+
+#endif