MERLIN <-> text conversion utility

src/Makefile

@@ -1,4 +1,4 @@
-BIN=a2serclk a2pid a2mon a2term dskread dskwrite bintomon bload brun
+BIN=a2serclk a2pid a2mon a2term dskread dskwrite bintomon bload brun text2merlin merlin2text
 all: $(BIN)
 
 fusea2pi: fusea2pi.c a2lib.c

src/merlin2text.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <fcntl.h>
+
+int main(int argc, char **argv)
+{
+	int fin, comment, charpos;
+	char c;
+
+	if (argc > 1)
+	{
+		fin = open(argv[1], O_RDONLY, 0);
+	}
+	else
+		fin = 0;
+	comment = charpos = 0;
+	while (read(fin, &c, 1) == 1)
+	{
+		c &= 0x7f;
+		if ((charpos++ == 0 && c == '*') || c == ';')
+			comment = 1;
+		if (c == '\r')
+		{
+			comment = charpos = 0;
+			c = '\n';
+		}
+		if (c == ' ' && !comment)
+			c = '\t';
+		putc(c & 0x7f, stdout);
+	}
+	return (0);
+}

src/text2merlin.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <fcntl.h>
+
+int main(int argc, char **argv)
+{
+	int fout;
+	char c;
+
+	if (argc > 1)
+		fout = open(argv[1], O_WRONLY|O_CREAT, 0644);
+	else
+		fout = 1;
+	while ((c = getc(stdin)) != EOF)
+	{
+		if (c == '\n')
+			c = '\r';
+		if (c == '\t')
+			c = ' ';
+		c |= 0x80;
+		write(fout, &c, 1);
+	}
+	close(fout);
+	return (0);
+}