mouse: start with cursor centered on screen as per spec

2 files changed, 21 insertions, 2 deletions

diff --git a/int33.h b/int33.h
index 2755379..2c34a6d 100644
--- a/int33.h
+++ b/int33.h
@@ -265,6 +265,13 @@ static void int33_set_mouse_speed(int16_t x, int16_t y);
 	__parm [cx] [dx] \
 	__modify [ax]
 
+static void int33_set_speed_double_threshold(uint16_t th);
+#pragma aux int33_set_speed_double_threshold = \
+	"mov ax, 0x13" \
+	"int 0x33" \
+	__parm [dx] \
+	__modify [ax]
+
 static uint16_t int33_get_mouse_status_size(void);
 #pragma aux int33_get_mouse_status_size = \
 	"mov bx, 0" \
@@ -294,6 +301,18 @@ static void int33_set_sensitivity(uint16_t sens_x, uint16_t sens_y, uint16_t dou
 	__parm [bx] [cx] [dx] \
 	__modify [ax]
 
+static void int33_get_sensitivity(uint16_t *sens_x, uint16_t *sens_y, uint16_t *double_speed_threshold);
+#pragma aux int33_get_sensitivity = \
+	"push dx" \
+	"mov ax, 0x1B" \
+	"int 0x33" \
+	"mov [si], bx" \
+	"mov [di], cx" \
+	"pop bx" \
+	"mov [bx], dx" \
+	__parm [si] [di] [dx] \
+	__modify [ax]
+
 static uint16_t int33_get_driver_version(void);
 #pragma aux int33_get_driver_version = \
 	"mov bx, 0" \
diff --git a/mousetsr.c b/mousetsr.c
index c4a4c55..cac1808 100644
--- a/mousetsr.c
+++ b/mousetsr.c
@@ -1126,8 +1126,8 @@ static void reset_mouse_settings()
 static void reset_mouse_state()
 {
 	int i;
-	data.pos.x = data.min.x;
-	data.pos.y = data.min.y;
+	data.pos.x = data.min.x + (data.max.x - data.min.x) / 2;
+	data.pos.y = data.min.y + (data.max.y - data.min.y) / 2;
 	data.pos_frac.x = 0;
 	data.pos_frac.y = 0;
 	data.delta.x = 0;