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#include "rockmacros.h"
#include "defs.h"
#include "regs.h"
#include "hw.h"
#include "cpu-gb.h"
#include "mem.h"
#include "lcd-gb.h"
#include "sound.h"
#include "rtc-gb.h"
#include "pcm.h"
/*
* emu_reset is called to initialize the state of the emulated
* system. It should set cpu registers, hardware registers, etc. to
* their appropriate values at powerup time.
*/
void emu_reset(void)
{
hw_reset();
lcd_reset();
cpu_reset();
mbc_reset();
sound_reset();
}
static void emu_step(void)
{
cpu_emulate(cpu.lcdc);
}
/* This mess needs to be moved to another module; it's just here to
* make things work in the mean time. */
void emu_run(void)
{
int framesin=0,frames=0,timeten=*rb->current_tick, timehun=*rb->current_tick;
setvidmode();
vid_begin();
lcd_begin();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
while(!shut)
{
cpu_emulate(2280);
while (R_LY > 0 && R_LY < 144)
emu_step();
rtc_tick();
if (options.sound || !plugbuf)
{
sound_mix();
pcm_submit();
}
doevents();
vid_begin();
if (!(R_LCDC & 0x80))
cpu_emulate(32832);
while (R_LY > 0) /* wait for next frame */
{
emu_step();
rb->yield();
}
frames++;
framesin++;
if(*rb->current_tick-timeten>=10)
{
timeten=*rb->current_tick;
if(framesin<6) options.frameskip++;
if(framesin>6) options.frameskip--;
if(options.frameskip>options.maxskip) options.frameskip=options.maxskip;
if(options.frameskip<0) options.frameskip=0;
framesin=0;
}
if(options.showstats)
if(*rb->current_tick-timehun>=100)
{
options.fps=frames;
frames=0;
timehun=*rb->current_tick;
}
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
}
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