From abf4b28a99461ca9c8cb8ca82ce71ab36d93d8a0 Mon Sep 17 00:00:00 2001
From: Daniel Jones <admin@danieljon.es>
Date: Tue, 8 Jan 2019 01:30:46 +1030
Subject: added version that uses 8 bytes for the matrix, bit masking for each
 led

---
 matrix8bytes.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 matrix8bytes.c

diff --git a/matrix8bytes.c b/matrix8bytes.c
new file mode 100644
index 0000000..5d3ed63
--- /dev/null
+++ b/matrix8bytes.c
@@ -0,0 +1,69 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *(at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <time.h>
+
+#define CIRCLE "◯"
+#define BLACKCIRCLE "⬤"
+#define BALLS 2
+
+uint64_t matrix;
+
+void
+printleds(void)
+{
+	printf("\0337");
+	printf("%s", "\033[8;0F");
+	printf("%s", "\033[0J");
+	/* loop through each byte of matrix */
+	int c = 56;
+	uint8_t byte;
+	while (c >= 0)
+	{
+		byte = (matrix >> c) & 0xff;
+		printf("%s %s %s %s %s %s %s %s\n",
+			(byte & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 1) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 2) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 3) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 4) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 5) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 6) & 0x01) ? BLACKCIRCLE : CIRCLE,
+			((byte >> 7) & 0x01) ? BLACKCIRCLE : CIRCLE);
+		c -= 8;
+	}
+	printf("\0338");
+}
+
+int
+main(void)
+{
+	printf("\n\n\n\n\n\n\n\n\n");
+	srand(time(NULL));
+	matrix = 0xff00000000000000;
+	while (1)
+	{
+		matrix>>=8;
+		if (matrix == 0)
+			matrix = 0xff00000000000000;
+		printleds();
+		usleep(200000);
+	}
+	return 0;
+}
-- 
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