further improve pointer motion with analog stick

rsn8887 · Sep 9, 2018 · 56fddb6 · 56fddb6
1 parent fe6a372
commit 56fddb6
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/README.MD b/README.MD
@@ -283,6 +283,11 @@ Basilisk II Key Codes
 
 Changelog 
 -----------
+
+0.33g
+
+- further improve pointer motion with analog stick
+
 0.33f
 
 - improve pointer response to diagonal stick directions

diff --git a/src/PSP2/video_psp.cpp b/src/PSP2/video_psp.cpp
@@ -1359,11 +1359,11 @@ void VideoInterrupt(void)
         }
 
         // mouse
-        int x = (pad.lx - 128) * 256;
-        int y = (pad.ly - 128) * 256;
+        int x = (pad.lx - 127) * 256;
+        int y = (pad.ly - 127) * 256;
         rescaleAnalog(&x, &y, psp_analog_dead);
-        hires_dx += (int) (x / 16 * psp_pointer_speed_factor);
-        hires_dy += (int) (y / 16 * psp_pointer_speed_factor);
+        hires_dx += (int) ((x * psp_pointer_speed_factor) / 16);
+        hires_dy += (int) ((y * psp_pointer_speed_factor) / 16);
         if (hires_dx != 0 || hires_dy != 0) {
             int x_rel = hires_dx / 256;
             int y_rel = hires_dy / 256;