static void load_bmp_8bpp(unsigned char *out, unsigned char *in)
{
int i,x,y;
unsigned char r,g,b,c;
in+=14; /* Skip HEADER */
in+=40; /* Skip INFOHD */
/* Set Palette */
for (i=0;i<256;i++) {
b=*in++;
g=*in++;
r=*in++;
c=*in++;
wiz_video_color8(i,r,g,b);
}
wiz_video_setpalette();
/* Set Bitmap */
for (y=239;y!=-1;y--) {
for (x=0;x<320;x++) {
*out++=in[x+y*320];
}
}
}
/* Update the display. */
void osd_update_video_and_audio(struct osd_bitmap *bitmap)
{
static const int waittable[FRAMESKIP_LEVELS][FRAMESKIP_LEVELS] =
{
{ 1,1,1,1,1,1,1,1,1,1,1,1 },
{ 2,1,1,1,1,1,1,1,1,1,1,0 },
{ 2,1,1,1,1,0,2,1,1,1,1,0 },
{ 2,1,1,0,2,1,1,0,2,1,1,0 },
{ 2,1,0,2,1,0,2,1,0,2,1,0 },
{ 2,0,2,1,0,2,0,2,1,0,2,0 },
{ 2,0,2,0,2,0,2,0,2,0,2,0 },
{ 2,0,2,0,0,3,0,2,0,0,3,0 },
{ 3,0,0,3,0,0,3,0,0,3,0,0 },
{ 4,0,0,0,4,0,0,0,4,0,0,0 },
{ 6,0,0,0,0,0,6,0,0,0,0,0 },
{12,0,0,0,0,0,0,0,0,0,0,0 }
};
int i;
static int showfps,showfpstemp;
TICKER curr;
static TICKER prev_measure=0,this_frame_base,prev;
static int speed = 100;
static int vups,vfcount;
int have_to_clear_bitmap = 0;
if (prev_measure==0)
{
/* first time through, initialize timer */
prev_measure = ticker() - FRAMESKIP_LEVELS * TICKS_PER_SEC/video_fps;
}
if (frameskip_counter == 0)
this_frame_base = prev_measure + FRAMESKIP_LEVELS * TICKS_PER_SEC/video_fps;
/* update audio */
msdos_update_audio();
if (osd_skip_this_frame() == 0)
{
if (showfpstemp)
{
showfpstemp--;
if (showfps == 0 && showfpstemp == 0)
{
have_to_clear_bitmap = 1;
}
}
if (input_ui_pressed(IPT_UI_SHOW_FPS))
{
if (showfpstemp)
{
showfpstemp = 0;
have_to_clear_bitmap = 1;
}
else
{
showfps ^= 1;
if (showfps == 0)
{
have_to_clear_bitmap = 1;
}
}
}
/* now wait until it's time to update the screen */
if (throttle)
{
profiler_mark(PROFILER_IDLE);
if (video_sync)
{
static TICKER last;
do
{
vsync();
curr = ticker();
} while (TICKS_PER_SEC / (curr - last) > video_fps * 11 /10);
last = curr;
}
else
{
TICKER target;
/* wait for video sync but use normal throttling */
if (wait_vsync)
vsync();
curr = ticker();
target = this_frame_base + frameskip_counter * TICKS_PER_SEC/video_fps;
if ((curr < target) && (target-curr<TICKS_PER_SEC))
{
do
{
#ifdef WIZ
spend_cycles(1024); // WIZ
#endif
curr = ticker();
} while ((curr < target) && (target-curr<TICKS_PER_SEC));
}
}
profiler_mark(PROFILER_END);
}
else curr = ticker();
if (frameskip_counter == 0)
{
int divdr;
divdr = video_fps * (curr - prev_measure) / (100 * FRAMESKIP_LEVELS);
if (divdr==0)
divdr=1;
speed = (TICKS_PER_SEC + divdr/2) / divdr;
prev_measure = curr;
}
prev = curr;
vfcount += waittable[frameskip][frameskip_counter];
if (vfcount >= video_fps)
{
extern int vector_updates; /* avgdvg_go_w()'s per Mame frame, should be 1 */
vfcount = 0;
vups = vector_updates;
vector_updates = 0;
}
if (showfps || showfpstemp)
{
int fps;
char buf[30];
int divdr;
divdr = 100 * FRAMESKIP_LEVELS;
fps = (video_fps * (FRAMESKIP_LEVELS - frameskip) * speed + (divdr / 2)) / divdr;
sprintf(buf,"%s%2d%4d%%%4d/%d fps",autoframeskip?"auto":"fskp",frameskip,speed,fps,(int)(video_fps+0.5));
ui_text(bitmap,buf,Machine->uiwidth-strlen(buf)*Machine->uifontwidth,0);
if (vector_game)
{
sprintf(buf," %d vector updates",vups);
ui_text(bitmap,buf,Machine->uiwidth-strlen(buf)*Machine->uifontwidth,Machine->uifontheight);
}
}
if (bitmap->depth == 8)
{
if (dirty_bright)
{
dirty_bright = 0;
for (i = 0;i < 256;i++)
{
float rate = brightness * brightness_paused_adjust * pow(i / 255.0, 1 / osd_gamma_correction) / 100;
bright_lookup[i] = 255 * rate + 0.5;
}
}
if (dirtypalette)
{
dirtypalette = 0;
for (i = 0;i < screen_colors;i++)
{
if (dirtycolor[i])
{
unsigned char r,g,b;
dirtycolor[i] = 0;
r = current_palette[3*i+0];
g = current_palette[3*i+1];
b = current_palette[3*i+2];
if (i != Machine->uifont->colortable[1]) /* don't adjust the user interface text */
{
r = bright_lookup[r];
g = bright_lookup[g];
b = bright_lookup[b];
}
wiz_video_color8(i,r,g,b);
}
}
wiz_video_setpalette();
}
}
else
{
if (dirty_bright)
{
dirty_bright = 0;
for (i = 0;i < 256;i++)
{
float rate = brightness * brightness_paused_adjust * pow(i / 255.0, 1 / osd_gamma_correction) / 100;
bright_lookup[i] = 255 * rate + 0.5;
}
}
if (dirtypalette)
{
if (use_dirty) init_dirty(1); /* have to redraw the whole screen */
dirtypalette = 0;
for (i = 0;i < screen_colors;i++)
{
if (dirtycolor[i])
{
int r,g,b;
dirtycolor[i] = 0;
r = current_palette[3*i+0];
g = current_palette[3*i+1];
b = current_palette[3*i+2];
if (i != Machine->uifont->colortable[1]) /* don't adjust the user interface text */
{
r = bright_lookup[r];
g = bright_lookup[g];
b = bright_lookup[b];
}
palette_16bit_lookup[i] = makecol(r,g,b);
}
}
}
}
/* copy the bitmap to screen memory */
profiler_mark(PROFILER_BLIT);
update_screen(bitmap);
profiler_mark(PROFILER_END);
if (have_to_clear_bitmap)
osd_clearbitmap(bitmap);
if (use_dirty)
{
if (!vector_game)
swap_dirty();
init_dirty(0);
}
if (have_to_clear_bitmap)
osd_clearbitmap(bitmap);
if (throttle && autoframeskip && frameskip_counter == 0)
{
static int frameskipadjust;
int adjspeed;
/* adjust speed to video refresh rate if vsync is on */
adjspeed = speed * video_fps / vsync_frame_rate;
if (adjspeed >= 92)
{
frameskipadjust++;
if (frameskipadjust >= 3)
{
frameskipadjust = 0;
if (frameskip > 0) frameskip--;
}
}
else
{
if (adjspeed < 80)
frameskipadjust -= (90 - adjspeed) / 5;
else
{
/* don't push frameskip too far if we are close to 100% speed */
if (frameskip < 8)
frameskipadjust--;
}
while (frameskipadjust <= -2)
{
frameskipadjust += 2;
#ifdef WIZ
if (frameskip < 7) frameskip++;
#else
if (frameskip < FRAMESKIP_LEVELS-1) frameskip++;
#endif
}
}
}
}
/* Check for PGUP, PGDN and pan screen */
pan_display();
if (input_ui_pressed(IPT_UI_FRAMESKIP_INC))
{
if (autoframeskip)
{
autoframeskip = 0;
frameskip = 0;
}
else
{
if (frameskip == FRAMESKIP_LEVELS-1)
{
frameskip = 0;
autoframeskip = 1;
}
else
frameskip++;
}
if (showfps == 0)
showfpstemp = 2*video_fps;
}
if (input_ui_pressed(IPT_UI_FRAMESKIP_DEC))
{
if (autoframeskip)
{
autoframeskip = 0;
frameskip = FRAMESKIP_LEVELS-1;
}
else
{
if (frameskip == 0)
autoframeskip = 1;
else
frameskip--;
}
if (showfps == 0)
showfpstemp = 2*video_fps;
}
if (input_ui_pressed(IPT_UI_THROTTLE))
{
throttle ^= 1;
}
frameskip_counter = (frameskip_counter + 1) % FRAMESKIP_LEVELS;
}
