1 files changed, 22 insertions, 0 deletions
diff --git a/xex.c b/xex.c
index e4b66ce..8584286 100644
--- a/xex.c
+++ b/xex.c
@@ -114,6 +114,10 @@ int xex_fread_seg_header(xex_segment *seg, FILE *file) {
 	if(d == EOF) return 0;
 
 	addr = XEX_ADDR(c, d);
+	if(addr == 0x0984) {
+		fprintf(stderr, "xex_fread_seg_header(): warning: this might be a DOS 1.0 file (not supported)\n");
+	}
+
 	if(addr == 0xffff) {
 		seg->has_ff_header = 1;
 		c = read_char(file);
@@ -289,6 +293,24 @@ int xex_check_seg(xex_segment *seg) {
 	return ret;
 }
 
+static int xex_get_addr_from(xex_segment *seg, int location) {
+	int i;
+
+	if(seg->start_addr > location) return -1;
+	if(seg->end_addr  <= location) return -1;
+
+	i = location - seg->start_addr;
+	return XEX_ADDR(seg->object[i], seg->object[i + 1]);
+}
+
+int xex_get_run_addr(xex_segment *seg) {
+	return xex_get_addr_from(seg, XEX_RUNAD);
+}
+
+int xex_get_init_addr(xex_segment *seg) {
+	return xex_get_addr_from(seg, XEX_INITAD);
+}
+
 char *xex_strerror(int err) {
 	if(err < 0 || err >= XERR_MAXERR)
 		err = XERR_MAXERR;