6 files changed, 11 insertions, 11 deletions

diff --git a/apps/plugins/zxbox/spconf.c b/apps/plugins/zxbox/spconf.c
index d316ad0fbf..5a14959adc 100644
--- a/apps/plugins/zxbox/spconf.c
+++ b/apps/plugins/zxbox/spconf.c
@@ -103,7 +103,7 @@ static int find_extension(const char *ext)
 
 
 /* now actually a snapshot/tape loader*/
-void spcf_read_command_line(void* parameter)
+void spcf_read_command_line(const void* parameter)
 {
   int ix;
 
diff --git a/apps/plugins/zxbox/spconf.h b/apps/plugins/zxbox/spconf.h
index b7b89a22f7..7de5d2e857 100644
--- a/apps/plugins/zxbox/spconf.h
+++ b/apps/plugins/zxbox/spconf.h
@@ -31,7 +31,7 @@ extern int   spcf_init_tapefile_type;
 
 
 /*extern int  spcf_read_conf_file(const char *filename);*/
-extern void spcf_read_command_line(void* parameter);
+extern void spcf_read_command_line(const void* parameter);
 extern void spcf_read_xresources(void);
 extern int  spcf_find_file_type(char *filename, int *ftp, int *ftsubp);
 
diff --git a/apps/plugins/zxbox/spmain.c b/apps/plugins/zxbox/spmain.c
index 51344763f9..136dcf0f24 100644
--- a/apps/plugins/zxbox/spmain.c
+++ b/apps/plugins/zxbox/spmain.c
@@ -519,17 +519,17 @@ static void run_singlemode(void)
 }
 
 
-void check_params(void* parameter)
+void check_params(const void* parameter)
 {
   spcf_read_conf_file(GLOBALCFG);
   spcf_read_command_line(parameter);
 }
 
-static void init_load(void *parameter)
+static void init_load(const void *parameter)
 {
   if(load_immed) snsh_z80_load_intern(loadim, loadim_size);
 
-  check_params (parameter);
+  check_params(parameter);
   if(spcf_init_snapshot != NULL) {
 #ifndef USE_GREY
     rb->splash(HZ, "Loading snapshot '%s'", spcf_init_snapshot);
@@ -548,7 +548,7 @@ static void init_load(void *parameter)
   }
 }
 
-void start_spectemu(void *parameter)
+void start_spectemu(const void *parameter)
 {
   spti_init();
   init_load(parameter);
diff --git a/apps/plugins/zxbox/spmain.h b/apps/plugins/zxbox/spmain.h
index 8168b261f6..5fb926ece9 100644
--- a/apps/plugins/zxbox/spmain.h
+++ b/apps/plugins/zxbox/spmain.h
@@ -21,8 +21,8 @@
 #ifndef SPMAIN_H
 #define SPMAIN_H
 
-extern void check_params(void* parameter);
-extern void start_spectemu(void* parameter);
+extern void check_params(const void* parameter);
+extern void start_spectemu(const void* parameter);
 extern struct zxbox_settings settings;
 struct zxbox_settings {
     int invert_colors;
diff --git a/apps/plugins/zxbox/zxbox.c b/apps/plugins/zxbox/zxbox.c
index 3d94981ce5..873ecdf6c3 100644
--- a/apps/plugins/zxbox/zxbox.c
+++ b/apps/plugins/zxbox/zxbox.c
@@ -22,7 +22,7 @@
 PLUGIN_HEADER
 PLUGIN_IRAM_DECLARE
 
-struct plugin_api* rb;
+const struct plugin_api* rb;
 
 #include "spkey_p.h"
 
@@ -59,7 +59,7 @@ static size_t         gbuf_size = 0;
 long video_frames IBSS_ATTR = 0 ;
 long start_time IBSS_ATTR = 0;
 
-enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
 {
     PLUGIN_IRAM_INIT(api)
 
diff --git a/apps/plugins/zxbox/zxconfig.h b/apps/plugins/zxbox/zxconfig.h
index f83c091ab9..d0a6c5a7ea 100644
--- a/apps/plugins/zxbox/zxconfig.h
+++ b/apps/plugins/zxbox/zxconfig.h
@@ -5,7 +5,7 @@
 extern int load_tap;
 extern bool clear_kbd;
 extern bool exit_requested;
-extern struct plugin_api* rb;
+extern const struct plugin_api* rb;
 extern void press_key(int c);
 extern long video_frames;
 extern long start_time;