gba-trycatch

diff src/sdlsys/gbasys.h @ 6:73b5f2e5d18a

first triangle on screen
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 18 Jun 2014 04:13:02 +0300
parents 850be43b3135
children b0ed38f13261
line diff
     1.1 --- a/src/sdlsys/gbasys.h	Mon Jun 16 22:01:45 2014 +0300
     1.2 +++ b/src/sdlsys/gbasys.h	Wed Jun 18 04:13:02 2014 +0300
     1.3 @@ -8,15 +8,15 @@
     1.4  	void *pixels;
     1.5  };
     1.6  
     1.7 -extern struct pixel_buffer *back_buffer;
     1.8 +extern struct pixel_buffer *back_buffer, *front_buffer;
     1.9  
    1.10  #define RGB(r, g, b)\
    1.11 -	((((b) >> 3) & 0x1f) << 10) |\
    1.12 -	((((g) >> 3) & 0x1f) << 5) |\
    1.13 +	((((b) >> 3) & 0x1f) << 11) |\
    1.14 +	((((g) >> 2) & 0x3f) << 5) |\
    1.15  	(((r) >> 3) & 0x1f)
    1.16  
    1.17 -#define GET_R(c)	((((c) >> 10) & 0x1f) << 3)
    1.18 -#define GET_G(c)	((((c) >> 5) & 0x1f) << 3)
    1.19 +#define GET_R(c)	((((c) >> 11) & 0x1f) << 3)
    1.20 +#define GET_G(c)	((((c) >> 5) & 0x3f) << 2)
    1.21  #define GET_B(c)	(((c) & 0x1f) << 3)
    1.22  
    1.23  /* defined in main_sdl.c */