Avoid function declarator with no prototype errors

This is for SDCC 4.4.0 at least.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/spman/spman.c b/src/spman/spman.c
index ba8a939..8bb8ba1 100644
--- a/src/spman/spman.c
+++ b/src/spman/spman.c
@@ -15,7 +15,7 @@ struct sprite_attr sp_buffer[SPMAN_MAX_SPRITES * 2];
 uint8_t sp_pat_map[SPMAN_MAX_PATTERNS];
 uint8_t sp_last_pat;
 
-void spman_init()
+void spman_init(void)
 {
     sp_last_pat = 0;
     sp_idx = 0;
@@ -49,7 +49,7 @@ uint8_t spman_alloc_pat(uint8_t type, uint8_t *data, uint8_t len, uint8_t flip)
     return sp_pat_map[type] * 4;
 }
 
-void spman_sprite_flush()
+void spman_sprite_flush(void)
 {
     sp_last_fixed_sprite = 0;
     sp_last_sprite = 0;
@@ -83,7 +83,7 @@ static const struct sprite_attr hide = { 208, 0, 0, 0 };
 
 static uint8_t *p;
 
-void spman_update()
+void spman_update(void)
 {
     p = (uint8_t*)SPMAN_SPR_ATTRS;
 
@@ -113,7 +113,7 @@ void spman_update()
     spman_sprite_flush();
 }
 
-void spman_hide_all_sprites()
+void spman_hide_all_sprites(void)
 {
     ubox_wait_vsync();
     ubox_write_vm((uint8_t *)SPMAN_SPR_ATTRS, 4, (uint8_t *)hide);