isa: wrong predicat for ret

diff --git a/2_isa/src/sum.s b/2_isa/src/sum.s
index b0e0fae48205a6148dcc98197afa7e8746806868..0bb2aa6cf521b546d971de5a558da4e25fbd7a62 100644 (file)
--- a/2_isa/src/sum.s
+++ b/2_isa/src/sum.s
@@ -6,7 +6,7 @@ sum:
        ;r4 arr data
        ldis r0, 0
        addi r3, r1, 0
-       retze- ; check len != 0
+       retzs- ; check len != 0
 loop:
        ;load arr data
        ldw r4, 0(r2)