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authorAstrid Smith2010-11-09 23:40:32 -0800
committerAstrid Smith2010-11-09 23:40:32 -0800
commitd393bd83bc0183e0644bc0e7ee6e4c92632a2c9f (patch)
tree9bd71debcc1b16b108f1744d964ae44b6955c380
parent8eb0d87b80a7a0c946d65757b2578145ee41cd1e (diff)
Clarified used/free registers list
-rw-r--r--680.inc4
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