Added some comment

2024-06-05 08:36:33 +02:00 · 2024-06-05 08:36:33 +02:00 · ea36658f5e
commit ea36658f5e
parent 46444987c3
1 changed files with 9 additions and 1 deletions
--- a/long_xadd.c
+++ b/long_xadd.c
@ -1,5 +1,13 @@

-
+/**
+ * Add two longs in xmem zero page
+ *
+ * r0 = ptr to firts arg
+ * r1 = ptr to second arg
+ * r7 = length
+ *
+ * result is in r0*
+ */

 void long_xadd() __naked
 {