static int opMOV_r_CRx_a16(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from CRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	switch (cpu_reg)
	{
		case 0:
		cpu_state.regs[cpu_rm].l = cr0;
		if (is486)
			cpu_state.regs[cpu_rm].l |= 0x10; /*ET hardwired on 486*/
		break;
		case 2:
		cpu_state.regs[cpu_rm].l = cr2;
		break;
		case 3:
		cpu_state.regs[cpu_rm].l = cr3;
		break;
		case 4:
		if (cpu_has_feature(CPU_FEATURE_CR4))
		{
			cpu_state.regs[cpu_rm].l = cr4;
			break;
		}
		default:
		pclog("Bad read of CR%i %i\n",rmdat&7,cpu_reg);
		cpu_state.pc = cpu_state.oldpc;
		x86illegal();
		break;
	}
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_r_CRx_a32(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from CRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_32(fetchdat);
	switch (cpu_reg)
	{
		case 0:
		cpu_state.regs[cpu_rm].l = cr0;
		if (is486)
			cpu_state.regs[cpu_rm].l |= 0x10; /*ET hardwired on 486*/
		break;
		case 2:
		cpu_state.regs[cpu_rm].l = cr2;
		break;
		case 3:
		cpu_state.regs[cpu_rm].l = cr3;
		break;
		case 4:
		if (cpu_has_feature(CPU_FEATURE_CR4))
		{
			cpu_state.regs[cpu_rm].l = cr4;
			break;
		}
		default:
		pclog("Bad read of CR%i %i\n",rmdat&7,cpu_reg);
		cpu_state.pc = cpu_state.oldpc;
		x86illegal();
		break;
	}
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

static int opMOV_r_DRx_a16(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from DRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	cpu_state.regs[cpu_rm].l = dr[cpu_reg];
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_r_DRx_a32(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from DRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_32(fetchdat);
	cpu_state.regs[cpu_rm].l = dr[cpu_reg];
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

static int opMOV_CRx_r_a16(uint32_t fetchdat)
{
	uint32_t old_cr0 = cr0;

	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load CRx\n");
		x86gpf(NULL,0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	switch (cpu_reg)
	{
		case 0:
		if ((cpu_state.regs[cpu_rm].l ^ cr0) & 0x80000001)
			flushmmucache();
		cr0 = cpu_state.regs[cpu_rm].l;
		if (cpu_16bitbus)
			cr0 |= 0x10;
		if (!(cr0 & 0x80000000))
			mmu_perm=4;
		if (is486 && !(cr0 & (1 << 30)))
			cpu_cache_int_enabled = 1;
		else
			cpu_cache_int_enabled = 0;
		if (is486 && ((cr0 ^ old_cr0) & (1 << 30)))
			cpu_update_waitstates();
		if (cr0 & 1)
			cpu_cur_status |= CPU_STATUS_PMODE;
		else
			cpu_cur_status &= ~CPU_STATUS_PMODE;
		break;
		case 2:
		cr2 = cpu_state.regs[cpu_rm].l;
		break;
		case 3:
		cr3 = cpu_state.regs[cpu_rm].l;
		flushmmucache();
		break;
		case 4:
		if (cpu_has_feature(CPU_FEATURE_CR4))
		{
			cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask;
			break;
		}

		default:
		pclog("Bad load CR%i\n", cpu_reg);
		cpu_state.pc = cpu_state.oldpc;
		x86illegal();
		break;
	}
	CLOCK_CYCLES(10);
	PREFETCH_RUN(10, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_CRx_r_a32(uint32_t fetchdat)
{
	uint32_t old_cr0 = cr0;

	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load CRx\n");
		x86gpf(NULL,0);
		return 1;
	}
	fetch_ea_32(fetchdat);
	switch (cpu_reg)
	{
		case 0:
		if ((cpu_state.regs[cpu_rm].l ^ cr0) & 0x80000001)
			flushmmucache();
		cr0 = cpu_state.regs[cpu_rm].l;
		if (cpu_16bitbus)
			cr0 |= 0x10;
		if (!(cr0 & 0x80000000))
			mmu_perm=4;
		if (is486 && !(cr0 & (1 << 30)))
			cpu_cache_int_enabled = 1;
		else
			cpu_cache_int_enabled = 0;
		if (is486 && ((cr0 ^ old_cr0) & (1 << 30)))
			cpu_update_waitstates();
		if (cr0 & 1)
			cpu_cur_status |= CPU_STATUS_PMODE;
		else
			cpu_cur_status &= ~CPU_STATUS_PMODE;
		break;
		case 2:
		cr2 = cpu_state.regs[cpu_rm].l;
		break;
		case 3:
		cr3 = cpu_state.regs[cpu_rm].l;
		flushmmucache();
		break;
		case 4:
		if (cpu_has_feature(CPU_FEATURE_CR4))
		{
			cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask;
			break;
		}

		default:
		pclog("Bad load CR%i\n", cpu_reg);
		cpu_state.pc = cpu_state.oldpc;
		x86illegal();
		break;
	}
	CLOCK_CYCLES(10);
	PREFETCH_RUN(10, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

static int opMOV_DRx_r_a16(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load DRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	dr[cpu_reg] = cpu_state.regs[cpu_rm].l;
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_DRx_r_a32(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load DRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	dr[cpu_reg] = cpu_state.regs[cpu_rm].l;
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

static int opMOV_r_TRx_a16(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from TRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	/*Aleph One BIOS uses TR4 to differentiate between 486SLC and 486SXLC2*/
	cpu_state.regs[cpu_rm].l = (cpu_pccard_cpu == PCCARD_CPU_486SXLC2) ? 0 : 0x200;
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_r_TRx_a32(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load from TRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_32(fetchdat);
	cpu_state.regs[cpu_rm].l = (cpu_pccard_cpu == PCCARD_CPU_486SXLC2) ? 0 : 0x200;
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

static int opMOV_TRx_r_a16(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load TRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
	return 0;
}
static int opMOV_TRx_r_a32(uint32_t fetchdat)
{
	if ((CPL || (cpu_state.eflags&VM_FLAG)) && (cr0&1))
	{
		pclog("Can't load TRx\n");
		x86gpf(NULL, 0);
		return 1;
	}
	fetch_ea_16(fetchdat);
	CLOCK_CYCLES(6);
	PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
	return 0;
}

