simplify starting emulator and UI

src/emu_init.c

@@ -1016,4 +1016,11 @@ int init_emulator( void )
     return 0;
 }
 
+void start_emulator( void )
+{
+    init_emulator();
+    init_serial();
+    init_display();
+}
+
 void exit_emulator( void ) { write_files(); }

src/emulator.h

@@ -322,9 +322,8 @@ extern int annunciators_bits[ NB_ANNUNCIATORS ];
 /**************/
 /* emu_init.c */
 /**************/
-extern void init_display( void );  /* used in main.c */
-extern int init_emulator( void );  /* used in main.c */
-extern void exit_emulator( void ); /* used in debugger.c; main.c; ui_*.c */
+extern void start_emulator( void ); /* used in main.c */
+extern void exit_emulator( void );  /* used in debugger.c; ui_*.c */
 
 /********************/
 /* emu_memory.c */
@@ -338,11 +337,6 @@ extern void press_key( int hpkey );   /* used in ui_*.c */
 extern void release_key( int hpkey ); /* used in ui_*.c */
 extern void release_all_keys( void ); /* used in ui_*.c */
 
-/****************/
-/* emu_serial.c */
-/****************/
-extern int init_serial( void ); /* used in main.c */
-
 /*****************/
 /* emu_emulate.c */
 /*****************/

src/emulator_inner.h

@@ -77,5 +77,6 @@ extern int is_greater_or_equal_register( unsigned char* r1, unsigned char* r2, i
 extern void serial_baud( int baud );
 extern void transmit_char( void );
 extern void receive_char( void );
+extern int init_serial( void ); /* used in main.c */
 
 #endif /* _EMULATOR_INNER_H */

src/main.c

@@ -100,13 +100,10 @@ int main( int argc, char** argv )
     parse_args( argc, argv );
 
     /* Emulator */
-    init_emulator();
-    init_serial();
-    init_display();
+    start_emulator();
 
     /* (G)UI */
-    setup_frontend(); /* points init_ui to the correct function */
-    init_ui( argc, argv );
+    start_UI( argc, argv );
 
     /************************/
     /* Start emulation loop */

src/ui.c

@@ -148,40 +148,9 @@ void ( *ui_update_LCD )( void );
 void ( *ui_refresh_LCD )( void );
 void ( *ui_adjust_contrast )( void );
 void ( *ui_draw_annunc )( void );
-void ( *init_ui )( int argc, char** argv );
 
 void ui_init_LCD( void ) { memset( lcd_nibbles_buffer, 0xf0, sizeof( lcd_nibbles_buffer ) ); }
 
-void setup_frontend( void )
-{
-    switch ( frontend_type ) {
-#if ( defined( HAS_X11 ) )
-        case FRONTEND_X11:
-        default:
-            init_ui = init_x11_ui;
-            break;
-#endif
-
-#if ( defined( HAS_SDL ) )
-        case FRONTEND_SDL:
-#  if ( !defined( HAS_X11 ) )
-        default:
-#  endif
-            init_ui = init_sdl_ui;
-            break;
-#endif
-
-        case FRONTEND_TEXT:
-#if ( !defined( HAS_X11 ) && !defined( HAS_SDL ) )
-        default:
-#endif
-            init_ui = init_text_ui;
-            break;
-    }
-
-    ui_init_LCD();
-}
-
 int SmallTextWidth( const char* string, unsigned int length )
 {
     unsigned int i;
@@ -200,3 +169,33 @@ int SmallTextWidth( const char* string, unsigned int length )
 
     return w;
 }
+
+void start_UI( int argc, char** argv )
+{
+    ui_init_LCD();
+
+    switch ( frontend_type ) {
+#if ( defined( HAS_X11 ) )
+        case FRONTEND_X11:
+        default:
+            init_x11_ui( argc, argv );
+            break;
+#endif
+
+#if ( defined( HAS_SDL ) )
+        case FRONTEND_SDL:
+#  if ( !defined( HAS_X11 ) )
+        default:
+#  endif
+            init_sdl_ui( argc, argv );
+            break;
+#endif
+
+        case FRONTEND_TEXT:
+#if ( !defined( HAS_X11 ) && !defined( HAS_SDL ) )
+        default:
+#endif
+            init_text_ui( argc, argv );
+            break;
+    }
+}

src/ui.h

@@ -65,7 +65,6 @@ extern void ( *ui_draw_annunc )( void );
 /*******************/
 /* used in: main.c */
 /*******************/
-extern void ( *init_ui )( int argc, char** argv );
+extern void start_UI( int argc, char** argv );
 
-extern void setup_frontend( void );
 #endif /* !_UI_H */