From e0dd21d5405a2c0046cbf9818aaf7721cdc5a1d1 Mon Sep 17 00:00:00 2001
From: Mikhail Osipov <mike.osipov@gmail.com>
Date: Mon, 18 Feb 2019 12:48:11 +0300
Subject: initial

---
 bpp.s | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 bpp.s

(limited to 'bpp.s')

diff --git a/bpp.s b/bpp.s
new file mode 100644
index 0000000..e775e97
--- /dev/null
+++ b/bpp.s
@@ -0,0 +1,17 @@
+.ifndef __BPP__
+.equ __BPP__, 1
+
+.ifndef BYTES_PER_PIXEL
+	.error "BYTES_PER_PIXEL not defined"
+.else
+	.if BYTES_PER_PIXEL == 4
+		.equ BPP_SHIFT, 2
+		.equ FULLBPP, 1
+	.elseif BYTES_PER_PIXEL == 2
+		.equ BPP_SHIFT, 1
+	.else
+		.error "BYTES_PER_PIXEL must be 2 or 4"
+	.endif
+.endif
+
+.endif
-- 
cgit v1.2.3-70-g09d2