1 files changed, 4 insertions, 0 deletions
diff --git a/680.inc b/680.inc
index ac22f33..9cb3325 100644
--- a/680.inc
+++ b/680.inc
@@ -2,8 +2,12 @@
 
 	;; Register naming
 esp	EQUR	a4
+	;; a5 is pointer to base of opcode jump table
 epc	EQUR	a6
 
+	;; d0 is scratch generally used in macros
+	;; d1 is scratch generally used outside macros
+	;; d2 is scratch and up for grabs
 eaf	EQUR	d3
 ebc	EQUR	d4
 ede	EQUR	d5