Disassembly bug fixes.

dis.c

@@ -438,6 +438,13 @@ int dis_decode(u_int8_t *code, u_int16_t offset, u_int16_t len,
 	find_cgens(insn);
 	find_emulated_ops(insn);
 
+	if (insn->is_byte_op) {
+		if (insn->src_mode == MSP430_AMODE_IMMEDIATE)
+			insn->src_addr &= 0xff;
+		if (insn->dst_mode == MSP430_AMODE_IMMEDIATE)
+			insn->dst_addr &= 0xff;
+	}
+
 	insn->len = ret;
 	return ret;
 }
@@ -538,7 +545,6 @@ static int format_addr(msp430_amode_t amode, u_int16_t addr)
 	const char *prefix = "";
 
 	switch (amode) {
-	case MSP430_AMODE_SYMBOLIC:
 	case MSP430_AMODE_REGISTER:
 	case MSP430_AMODE_INDIRECT:
 	case MSP430_AMODE_INDIRECT_INC:
@@ -553,6 +559,9 @@ static int format_addr(msp430_amode_t amode, u_int16_t addr)
 	case MSP430_AMODE_ABSOLUTE:
 		prefix = "&";
 		break;
+
+	case MSP430_AMODE_SYMBOLIC:
+		break;
 	}
 
 	len = printf("%s", prefix);
@@ -672,7 +681,7 @@ static void dis_format(const struct msp430_instruction *insn)
 
 		printf(",");
 		count++;
-		while (count < 19) {
+		while (count < 23) {
 			count++;
 			printf(" ");
 		}

main.c

@@ -185,7 +185,7 @@ static int cmd_dis(char **arg)
 	char *len_text = get_arg(arg);
 	int offset = 0;
 	int length = 0x40;
-	u_int8_t buf[512];
+	u_int8_t buf[4096];
 
 	if (!off_text) {
 		fprintf(stderr, "md: offset must be specified\n");
@@ -1034,6 +1034,9 @@ int main(int argc, char **argv)
 		while (optind < argc)
 			process_command(argv[optind++], 0);
 	} else {
+		printf("\n");
+		cmd_help(NULL);
+
 		do {
 			reader_loop();
 		} while (syms_modify_check());

util.c

@@ -165,9 +165,6 @@ static char *readline(const char *prompt)
 
 void reader_loop(void)
 {
-	printf("\n");
-	cmd_help(NULL);
-
 	for (;;) {
 		char *buf = readline("(mspdebug) ");