Calculate steps needed by tick of last output event

1 files changed, 1 insertions, 0 deletions

diff --git a/tpu.h b/tpu.h
index 8e7856b..ad2d14c 100644
--- a/tpu.h
+++ b/tpu.h
@@ -115,6 +115,7 @@ struct tpu_io_port {
 	struct tpu_port port;
 	enum tpu_port_dir dir;
 	enum tpu_port_type type;
+	size_t io_step;
 	FILE *file;
 	int x, y;
 	char c;