From: Alan Cox <alan@linux.intel.com>
Date: Sun, 15 Apr 2018 13:48:01 +0000 (+0100)
Subject: input: add BUTTON(n) define for the button byte
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=bbfff6b54c6007564bae10c17d8c3bca11f897ff;p=FUZIX.git

input: add BUTTON(n) define for the button byte
---

diff --git a/Kernel/include/input.h b/Kernel/include/input.h
index 6c936d16..907b257c 100644
--- a/Kernel/include/input.h
+++ b/Kernel/include/input.h
@@ -13,8 +13,10 @@
                                            bits show u/d and 3 spare bits */
 #define		KEYPRESS_DOWN	0x00
 #define		KEYPRESS_UP	0x01
+#define	LIGHTPEN_ABS	0x50		/* Light pen or similar, 16 x 16bit virtual coords */
 
-#define BUTTONS(x)	((x)&0x0F)	/* 1-4 buttons */
+#define BUTTON(x)	(1 << (x))	/* Button 1-7 (top bit never used) */
+#define BUTTONS(x)	((x)&0x07)	/* 0-7 buttons */
 
 
 #define INPUT_GRABKB	0x0520