Use compound assignment operators

1 files changed, 1 insertions, 1 deletions

diff --git a/sram.asm b/sram.asm
index 7e2866a1a..420d34743 100644
--- a/sram.asm
+++ b/sram.asm
@@ -177,7 +177,7 @@ endr
 box_n = 0
 boxes: MACRO
 rept \1
-box_n = box_n + 1
+box_n += 1
 sBox{d:box_n}:: box sBox{d:box_n}
 endr
 ENDM