obj: format tweaking

diff --git a/Applications/MWC/cmd/asz80/obj.h b/Applications/MWC/cmd/asz80/obj.h
index 003dd35..cd2497a 100644 (file)
--- a/Applications/MWC/cmd/asz80/obj.h
+++ b/Applications/MWC/cmd/asz80/obj.h
@@ -21,7 +21,6 @@ struct objhdr
 
 /* This byte introduces a relocation or may be escaped */
 #define REL_ESC                0xDA
-#define REL_REL                0x00    /* DA00 means write in DA */
 
 #define REL_SIZE       0x30    /* 1-4 bytes */
 /* If REL_SIMPLE then ... */
@@ -34,6 +33,11 @@ struct objhdr
 #define REL_TYPE       0x0F
 /* 00 is reserved */
 #define REL_SYMBOL     0x01
+#define REL_SPECIAL    0x00    /* REL_REL REL_EOF etc */
+
+#define REL_REL                (REL_SPECIAL| (0 << 4)) /* 00 */
+#define REL_EOF                (REL_SPECIAL| (1 << 4)) /* 10 */
+
 /* 02-0F reserved */
 /* Followed by 2 byte number of symbol in symbol table */
 
@@ -51,6 +55,11 @@ struct objhdr
 
 #define S_SIZE         19
 
-
-
-
+/*
+ * Segments
+ */
+#define UNKNOWN                -1
+#define ABSOLUTE       0
+#define CODE           1
+#define DATA           2
+#define BSS            3