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-rw-r--r--src/vectors.s6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vectors.s b/src/vectors.s
index 75de30a..77ce0bc 100644
--- a/src/vectors.s
+++ b/src/vectors.s
@@ -104,6 +104,12 @@
.endif
;; TODO: some actions here will depend on the status of the game...
+ lda Globals::zp_flags
+ and #%00000001
+ bne @ppu_registers
+
+ ;; Increase the random seed.
+ inc Prng::zp_rand
;; Decrease title timer.
lda Title::zp_title_timer