Add sniper mode option in ini.

MiSTer.ini

@@ -102,3 +102,8 @@ controller_info=6
 ; You have to provide correct VID and PID of your input device
 jammasd_vid=0x04D8
 jammasd_pid=0xF3AD
+
+; Speeds in sniper/non-sniper modes of mouse emulation by joystick 
+; 0 - (default) - faster move in non-sniper mode, slower move in sniper mode.
+; 1 - movement speeds are swapped.
+sniper_mode=0

cfg.cpp

@@ -68,6 +68,7 @@ static const ini_var_t ini_vars[] =
 	{ "REFRESH_MAX", (void*)(&(cfg.refresh_max)), UINT8, 0, 150 },
 	{ "JAMMASD_VID", (void*)(&(cfg.jammasd_vid)), UINT16, 0, 0xFFFF },
 	{ "JAMMASD_PID", (void*)(&(cfg.jammasd_pid)), UINT16, 0, 0xFFFF },
+	{ "SNIPER_MODE", (void*)(&(cfg.sniper_mode)), UINT8, 0, 1 },
 };
 
 static const int nvars = (int)(sizeof(ini_vars) / sizeof(ini_var_t));

cfg.h

@@ -42,6 +42,7 @@ typedef struct {
 	uint8_t recents;
 	uint16_t jammasd_vid;
 	uint16_t jammasd_pid;
+	uint8_t sniper_mode;
 	char bootcore[256];
 	char video_conf[1024];
 	char video_conf_pal[1024];

input.cpp

@@ -3418,7 +3418,7 @@ int input_poll(int getchar)
 
 			int dx = mouse_emu_x;
 			int dy = mouse_emu_y;
-			if (mouse_sniper)
+			if (mouse_sniper ^ cfg.sniper_mode)
 			{
 				if (dx > 2) dx = 2;
 				if (dx < -2) dx = -2;