speed test of this lib: https://github.com/kstenerud/Musashi

musashi test

#include "m68k.h"
#include <windows.h>

unsigned int m68k_read_memory_8(unsigned int address)
{
	if (address&1)
		return 0x38;
	else
		return 0;
}

unsigned int m68k_read_memory_16(unsigned int address)
{
	return 0x0038;
}

unsigned int m68k_read_memory_32(unsigned int address)
{
	return 0x00380038;
}

void m68k_write_memory_8(unsigned int address, unsigned int value)
{
}
void m68k_write_memory_16(unsigned int address, unsigned int value)
{
}
void m68k_write_memory_32(unsigned int address, unsigned int value)
{
}

int main()
{
	int i;
	m68k_init();
	m68k_set_cpu_type(M68K_CPU_TYPE_68000);
	m68k_pulse_reset();
	while(1)
	{
		int time = GetTickCount();
		//for(i=53693175;i>0;--i)
		//	m68k_execute(1);
		m68k_execute(53693175);
		printf("tick %.3lf\n",(GetTickCount()-time)/1000.0);
	}
	return 0;
}