menubg, png, bugfix

[fceu.git] / drivers / gp2x_test / minimal.c

diff --git a/drivers/gp2x_test/minimal.c b/drivers/gp2x_test/minimal.c
index 793af74..f753a80 100644 (file)
--- a/drivers/gp2x_test/minimal.c
+++ b/drivers/gp2x_test/minimal.c
@@ -199,9 +199,9 @@ void gp2x_init(void)
 {
        printf("entering init()\n"); fflush(stdout);
 
-       gp2x_screen = malloc(320*240*2);
+       gp2x_screen = malloc(320*240*2 + 32);
        if(gp2x_screen == NULL) return;
-       memset(gp2x_screen, 0, 320*240*2);
+       memset(gp2x_screen, 0, 320*240*2 + 32);
 
        if(SDL_Init(SDL_INIT_NOPARACHUTE))
        {
@@ -283,7 +283,14 @@ void spend_cycles(int c)
        usleep(c/200);
 }
 
+/* don't scale, just convert */
 void soft_scale(void *dst, unsigned short *pal, int line_offs, int lines)
 {
+       unsigned char *src = (unsigned char *)dst + (line_offs + lines) * 320;
+       unsigned short *dest = (unsigned short *)dst + (line_offs + lines) * 320;
+       int count = lines*320;
+
+       while (count--)
+               *(--dest) = pal[*(--src)];
 }