X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=s51%2Fs51-main.c;h=46b97b0c8ca7039c25867f9caa297cc0d72f121f;hp=27ed571aca68eb360f5267d8aaff33d27ee55720;hb=91607bebdd167ac632aca4b66e22cb0cabdf0d20;hpb=1405838160b69e2cda456e21502a1d03b3aa7548

diff --git a/s51/s51-main.c b/s51/s51-main.c
index 27ed571a..46b97b0c 100644
--- a/s51/s51-main.c
+++ b/s51/s51-main.c
@@ -31,6 +31,7 @@ static double freq = 11059200;
 char *s51_prompt = "> ";
 struct ccdbg *s51_dbg;
 int s51_interrupted = 0;
+int s51_monitor = 0;
 
 static FILE *s51_input;
 static FILE *s51_output;
@@ -54,7 +55,7 @@ main(int argc, char **argv)
 	char *endptr;
 	struct sigvec vec, ovec;
 
-	while ((opt = getopt(argc, argv, "PVvHht:X:c:r:Z:s:S:p:")) != -1) {
+	while ((opt = getopt(argc, argv, "PVvHhmt:X:c:r:Z:s:S:p:")) != -1) {
 		switch (opt) {
 		case 't':
 			cpu = optarg;
@@ -100,6 +101,9 @@ main(int argc, char **argv)
 		case 'h':
 			usage ();
 			break;
+		case 'm':
+			s51_monitor = 1;
+			break;
 		}
 	}
 	if (s51_port) {
@@ -146,7 +150,7 @@ main(int argc, char **argv)
 				perror("fdopen");
 				exit(1);
 			}
-			vec.sv_handler = s51_sigint;
+			vec.sv_handler = SIG_IGN;
 			vec.sv_mask = 0;
 			vec.sv_flags = 0;
 			sigvec(SIGINT, &vec, &ovec);
@@ -174,10 +178,8 @@ s51_printf(char *format, ...)
 
 	va_start(ap, format);
 	vfprintf(s51_output, format, ap);
-#if 1
-	if (s51_port)
+	if (s51_monitor)
 		vfprintf(stdout, format, ap);
-#endif
 	va_end(ap);
 }
 
@@ -187,21 +189,34 @@ s51_putc(int c)
 	putc(c, s51_output);
 }
 
+#include <readline/readline.h>
+#include <readline/history.h>
+
 int
 s51_read_line(char *line, int len)
 {
 	int ret;
-	if (s51_prompt)
-		s51_printf("%s", s51_prompt);
-	else
-		s51_putc('\0');
-	fflush(s51_output);
-	ret = fgets(line, len, s51_input) != NULL;
-#if 1
-	if (s51_port)
-		printf("> %s", line);
-#endif
-	fflush(stdout);
+	if (s51_output == stdout && s51_input == stdin && s51_prompt) {
+		char *r;
+
+		r = readline(s51_prompt);
+		if (r == NULL)
+			return 0;
+		strncpy (line, r, len);
+		line[len-1] = '\0';
+		add_history(r);
+		return 1;
+	} else {
+		if (s51_prompt)
+			s51_printf("%s", s51_prompt);
+		else
+			s51_putc('\0');
+		fflush(s51_output);
+		ret = fgets(line, len, s51_input) != NULL;
+		if (s51_monitor)
+			printf("> %s", line);
+		fflush(stdout);
+	}
 	return ret;
 }