update README with todo-list

README.md

@@ -33,12 +33,13 @@ Use the wrappers scripts.
 
 The local data are stored under $XDG_CONFIG_HOME/saturn<model>/
 
-## Post-fork changelog
-- replaced the build system with a basic Makefile
-- updated license from GPL2-or-later to GPL3-or-later
-- moved binaries and their dependencies under ./dist/
-- new helper scripts run48.sh and run49.sh
-- ROMs helper Makefile
-
 ## Known bugs
 - I could get neither the 49 nor the 40 ROM running yet.
+- some bugs in emulation
+
+## Todo
+- sdl2 UI: draw LCD on a distinct texture and then draw that texture on the main one
+- sdl2 UI: finish 49g and 40g faces
+- fix emulation bugs
+- make 49g emulation work
+- make 40g emulation work

src/ui4x_sdl2.c

@@ -864,8 +864,6 @@ static void _draw_serial_devices_path( void )
         write_with_small_font( SIDE_SKIP, KEYBOARD_OFFSET_Y - ( DISP_KBD_SKIP / 2 ), text, WHITE, DISP_PAD );
 }
 
-static void sdl_draw_pixel( int x, int y, int pixel ) { __draw_rect( x, y, 2, 2, pixel ? PIXEL : LCD ); }
-
 static int sdl_press_key( int hpkey )
 {
     if ( hpkey == -1 || is_key_pressed( hpkey ) )
@@ -1012,8 +1010,8 @@ void ui_update_display_sdl( void )
 
         for ( int y = 0; y < LCD_HEIGHT; ++y )
             for ( int x = 0; x < LCD_WIDTH; ++x )
-                sdl_draw_pixel( DISPLAY_OFFSET_X + 5 + ( 2 * x ), DISPLAY_OFFSET_Y + 20 + ( 2 * y ),
+                __draw_rect( DISPLAY_OFFSET_X + 5 + ( 2 * x ), DISPLAY_OFFSET_Y + 20 + ( 2 * y ), 2, 2,
-                                lcd_pixels_buffer[ ( y * LCD_WIDTH ) + x ] );
+                             lcd_pixels_buffer[ ( y * LCD_WIDTH ) + x ] ? PIXEL : LCD );
 
         SDL_SetRenderTarget( renderer, NULL );
         SDL_RenderCopy( renderer, main_texture, NULL, NULL );