Print glitch name in upper left corner

yaglitch.asm

@@ -124,6 +124,8 @@ section .bss
 
 	ttf_font: resq 1
 
+	ttf_font_surf: resq 1
+
 	sdl_color: resd 1
 
 	fc_config: resq 1
@@ -526,11 +528,12 @@ dbg:
 	mov dword [sdl_color], 0xFFFFFFFF
 	mov rdi, [ttf_font]
 	mov rsi, glitch_name
-	mov rdx, sdl_color
+	mov rdx, [sdl_color]
 	call TTF_RenderText_Solid ; render text in surface
+	mov [ttf_font_surf], rax
 
 	; blit & flip text surface
-	mov rdi, [ttf_font]
+	mov rdi, [ttf_font_surf]
 	call blitflip_visu