static inline int neo_interrupt(void)
{
/*
static int fc;
int skip_this_frame;
*/
pd4990a_addretrace();
// printf("neogeo_frame_counter_speed %d\n",neogeo_frame_counter_speed);
if (!(irq2control & 0x8)) {
if (fc >= neogeo_frame_counter_speed) {
fc = 0;
neogeo_frame_counter++;
}
fc++;
}
skip_this_frame = skip_next_frame;
skip_next_frame = frame_skip(0);
if (!skip_this_frame) {
draw_screen();
}
return 1;
}
static inline void update_screen(void) {
if (irq2control & 0x40)
irq2start = (irq2pos_value + 3) / 0x180; /* ridhero gives 0x17d */
else
irq2start = 1000;
current_line = 0;
if (!skip_this_frame) {
if (last_line < 21)
{ /* there was no IRQ2 while the beam was in the visible area
-> no need for scanline rendering */
draw_screen();
//draw_screen_scanline(last_line-21, 262, 1);
} else {
draw_screen_scanline(last_line-21, 262, 1);
}
}
last_line=0;
pd4990a_addretrace();
if (fc >= neogeo_frame_counter_speed) {
fc = 0;
neogeo_frame_counter++;
}
fc++;
skip_this_frame = skip_next_frame;
skip_next_frame = frame_skip(0);
}
static inline int neo_interrupt(void)
{
/*
static int fc;
int skip_this_frame;
*/
pd4990a_addretrace();
// printf("neogeo_frame_counter_speed %d\n",neogeo_frame_counter_speed);
if (!(irq2control & 0x8)) {
if (fc >= neogeo_frame_counter_speed) {
fc = 0;
neogeo_frame_counter++;
}
fc++;
}
skip_this_frame = skip_next_frame;
skip_next_frame = frame_skip(0);
if (!skip_this_frame) {
PROFILER_START(PROF_VIDEO);
#ifdef DEBUG_VIDEO
draw_screen_scanline(0, 256, 1);
#else
#ifdef FULL_GL
fgl_drawscreen();
#else
draw_screen();
#endif
#endif
PROFILER_STOP(PROF_VIDEO);
}
return 1;
}