void bobs_frame(long time) {
int x = (sine[((time * 30 / 1200) + 0x40) & 0xff] * (LCD_WIDTH * 2 / 3)) >> 17;
int y = (sine[((time * 37 / 1200) + 0x40) & 0xff] * (LCD_HEIGHT * 2 / 3)) >> 17;
int greet_y;
static int screen_num = 0;
screen_num = (screen_num + 1) % SCREEN_COUNT;
centre_sprite(screens[screen_num], &ball, x + LCD_WIDTH / 2, y + LCD_HEIGHT / 2);
/* copy shadow screen to main screen */
memcpy(pixels, screens[screen_num], LCD_WIDTH * LCD_HEIGHT);
/* overlay greetings */
if (time > PATTERN * 2) {
greet_y = LCD_HEIGHT - ((time - PATTERN * 2) >> 5);
put_sprite(pixels, greets_bmp, (LCD_WIDTH - greets_bmp->width) / 2, greet_y);
}
void tick_words(void) {
int i,j;
for(i=0;i<word_count;i++) {
if(words[i].clear == 1) {
words[i].off_x+=(words[i].target-words[i].off_x)/5;
if(abs(words[i].off_x-words[i].target)<10)
words[i].delay++;
if(words[i].delay >= 30)
words[i].target = 300;
if(words[i].off_x == 300)
words[i].clear = 0;
for(j = 0;j<strlen(words[i].msg);j++) {
#define Y \
((words[i].off_x+(j*16)) - (strlen(words[i].msg)*8))
put_sprite(270,Y,1,1,0,0,2,1,0x210 + (( words[i].msg[j] - 'a') * 4));
}
}
}
}
void word(int y, char *in) {
int j, i;
j = strlen(in);
for(i=0;i<j;i++)
put_sprite((70-((j/2)*8))+(i*16),y,1,1,0,0,2,1, 0x3b0 + ((in[i] - 'a')*4));
}
