Add command-line options.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/io.c b/src/io.c
index 9b8e40e..8469a6b 100644
--- a/src/io.c
+++ b/src/io.c
@@ -76,15 +76,29 @@ void readblock(void) {
 	dpoke(buf_len_l, bytes);
 }
 
+int is_text_file(char *fn) {
+	if(globmatch("*.txt", fn)) return 1;
+	if(globmatch("*.doc", fn)) return 1;
+	if(globmatch("*.lst", fn)) return 1;
+	return 0;
+}
+
 /* mirror of readblock() */
 void writeblock(void) {
-	int bytes, len, bufadr;
+	int i, bytes, len, bufadr;
 	u8 *buf;
+	extern char *out_filename;
 
 	bufadr = dpeek(buf_adr_l);
 	buf = mem + bufadr;
 	len = dpeek(buf_len_l);
 
+	if(opts.txtconv) {
+		if(opts.txtconv > 1 || is_text_file(out_filename))
+		for(i = 0; i < len; i++)
+			if(buf[i] == 0x9b) buf[i] = '\n';
+	}
+
 	// fprintf(stderr, "writeblock, bufadr = $%04x, len = $%04x\n", bufadr, len);
 
 	bytes = fwrite(buf, 1, len, out_file);