[openMSX-commits] [SCM] openMSX (main) branch master updated. RELEASE_0_9_1-602-g63a5d07

[Wouter V. <m97...@us...>]

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- Log -----------------------------------------------------------------
commit 63a5d077e86380b5f30d4dd2fe4d2109ed59cb97
Author: wouter <ver...@gm...>
Date:   Tue Oct 8 20:18:16 2013 +0200

    Implemented a touchpad emulation detail
    
    See RFE#252, returned x/y values when tablet is not touched.

-----------------------------------------------------------------------

Summary of changes:
 src/input/Touchpad.cc |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/input/Touchpad.cc b/src/input/Touchpad.cc
index 0c697b8..79d8844 100644
--- a/src/input/Touchpad.cc
+++ b/src/input/Touchpad.cc
@@ -173,10 +173,11 @@ void Touchpad::write(byte value, EmuTime::param time)
 			start = time; // to keep EOC=0 for 56 cycles
 		} else {
 			// CS 1->0
-			// TODO what value do the X/Y-channels return when
-			//   the panel is not touched?
-			shift = (channel == 0) ? x
-			      : (channel == 3) ? y
+			// Tested by SD-Snatcher (see RFE #252):
+			//  When not touched X is always 0, and Y floats
+			//  between 147 and 149 (mostly 148).
+			shift = (channel == 0) ? (touch ? x :   0)
+			      : (channel == 3) ? (touch ? y : 148)
 			      : 0; // channel 1 and 2 return 0
 		}
 	}


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