only shuffle non 0 colors

1 files changed, 2 insertions, 3 deletions

diff --git a/src/main.c b/src/main.c
index 3301c1d..ac508c5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -97,8 +97,8 @@ acid(void)
 {
 	PxCol cols[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
 	for (int i = 0; i < 1024; i++) {
-		const int i = rand() % 8;
-		const int k = rand() % 8;
+		const int i = 1 + rand() % 7;
+		const int k = 1 + rand() % 7;
 		if (i == k)
 			continue;
 		cols[i] ^= cols[k];
@@ -107,5 +107,4 @@ acid(void)
 	}
 	for (int i = 0; i < 8; i++)
 		pxSpal(i, cols[i]);
-	pxSpal(0, 0);
 }