void cpu_68k_dpg_step(void) {
static Uint32 nb_cycle;
static Uint32 line_cycle;
Uint32 cpu_68k_timeslice = 200000;
Uint32 cpu_68k_timeslice_scanline = 200000/(float)262;
Uint32 cycle;
if (nb_cycle==0) {
main_loop(); /* update event etc. */
}
cycle=cpu_68k_run_step();
add_bt(cpu_68k_getpc());
line_cycle+=cycle;
nb_cycle+=cycle;
if (nb_cycle>=cpu_68k_timeslice) {
nb_cycle=line_cycle=0;
if (conf.raster) {
update_screen();
} else {
neo_interrupt();
}
state_handling(pending_save_state,pending_load_state);
cpu_68k_interrupt(1);
} else {
if (line_cycle>=cpu_68k_timeslice_scanline) {
line_cycle=0;
if (conf.raster) {
if (update_scanline())
cpu_68k_interrupt(2);
}
}
}
}
void drawscreen(int x, int mx, int my)
{
int loop1,loop2,back,x2;
static int dy;
x2=x;
back=0;
while(x2>=16)
{
x2-=16;
back++;
}
for (loop1=0;loop1<12;loop1++) {
for (loop2=back;loop2<=back+16;loop2++) {
if (data.world[loop1][loop2]>0)
{
if (data.bumped[0]==loop2 && data.bumped[1]==loop1)
{
dy+=data.bumploop;
put_masked_pbm((loop2<<4)-x+32,(loop1<<4)+dy,data.block[data.world[loop1][loop2]-1],mx,my);
data.bumploop++;
if(data.bumploop==3)
{
data.bumploop=0;
data.bumped[0]=0;
data.bumped[1]=0;
dy=0;
}
}
else
{
if(data.world[loop1][loop2]==38)
{
add_cw((loop2<<4)-x,(loop1<<4));
data.world[loop1][loop2]=0;
}
else if(data.world[loop1][loop2]==39)
{
add_bt((loop2<<4)-x,(loop1<<4));
data.world[loop1][loop2]=0;
}
else
put_masked_pbm((loop2<<4)-x+32,(loop1<<4),data.block[data.world[loop1][loop2]-1],mx,my);
}
}
else
{
draw_block((loop2<<4)-x+32,(loop1<<4),mx,my);
}
}
}
drawcoin(x, mx, my);
/*int loop1,loop2;*/
for (loop1=0;loop1<=15;loop1++) {
for (loop2=0;loop2<=15;loop2++) {
if (data.mario[abs(data.sprite/2)][loop1][loop2]>=0) {
if (my-15+loop1>=0 && my-15+loop1<192)
{
if (data.direction==0)/*向前*/
put_pix(mx+loop2+32,my-15+loop1,data.mario[data.sprite/2][loop1][loop2]);
else/*向后，反向画出*/
put_pix(mx+15-loop2+32,my-15+loop1,data.mario[data.sprite/2][loop1][loop2]);
}
}
}
}
}
