diff --git a/gen/main.go b/gen/main.go
index e66ab9c..fa695bd 100644
--- a/gen/main.go
+++ b/gen/main.go
@@ -43,6 +43,9 @@ func mainE() error {
 	if err := writeMap(&d, m, "src/getcharmap.c"); err != nil {
 		return err
 	}
+	if err := writeRez(&d, "src/charmaps.r"); err != nil {
+		return err
+	}
 	return nil
 }
 
diff --git a/gen/rez.go b/gen/rez.go
new file mode 100644
index 0000000..0422dc9
--- /dev/null
+++ b/gen/rez.go
@@ -0,0 +1,63 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+// writeStrings writes a 'STR#' resource in Rez format.
+func writeStrings(w *bufio.Writer, rsrc string, strs []string) {
+	fmt.Fprintf(w, "resource 'STR#' (%s) {{\n", rsrc)
+	for i, s := range strs {
+		fmt.Fprintf(w, "\t%q", s)
+		if i < len(strs)-1 {
+			w.WriteByte(',')
+		}
+		w.WriteByte('\n')
+	}
+	w.WriteString("}};\n")
+}
+
+func charmapNames(d *scriptdata) []string {
+	r := make([]string, len(d.charmaps))
+	for i, c := range d.charmaps {
+		r[i] = c.name
+	}
+	return r
+}
+
+func constStrings(c *constmap) []string {
+	var n int
+	for i := range c.values {
+		if i >= n {
+			n = i + 1
+		}
+	}
+	r := make([]string, n)
+	for i, name := range c.values {
+		r[i] = name
+	}
+	return r
+}
+
+func writeRez(d *scriptdata, filename string) error {
+	fmt.Fprintln(os.Stderr, "Writing:", filename)
+	fp, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer fp.Close()
+	w := bufio.NewWriter(fp)
+
+	w.WriteString(header)
+	w.WriteString("#include \"resources.h\"\n")
+	writeStrings(w, "rSTRS_Charmaps", charmapNames(d))
+	writeStrings(w, "rSTRS_Scripts", constStrings(&d.scripts))
+	writeStrings(w, "rSTRS_Regions", constStrings(&d.regions))
+
+	if err := w.Flush(); err != nil {
+		return err
+	}
+	return fp.Close()
+}
diff --git a/src/.gitignore b/src/.gitignore
index 24c33a0..aa02f65 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1 +1,2 @@
 /getcharmap.c
+/charmaps.r
diff --git a/src/resources.h b/src/resources.h
new file mode 100644
index 0000000..c93cf0c
--- /dev/null
+++ b/src/resources.h
@@ -0,0 +1,3 @@
+#define rSTRS_Charmaps 128
+#define rSTRS_Scripts 129
+#define rSTRS_Regions 130