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path: root/src/devices/cpu/arcompact/arcompact_execute_ops_05.cpp
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// license:BSD-3-Clause
// copyright-holders:David Haywood

#include "emu.h"
#include "arcompact_helper.ipp"

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//                                 IIII I      SS SSSS
// ASL<.f> a,b,c                   0010 1bbb 0000 0000   FBBB CCCC CCAA AAAA
// ASL<.f> a,b,u6                  0010 1bbb 0100 0000   FBBB uuuu uuAA AAAA
// ASL<.f> b,b,s12                 0010 1bbb 1000 0000   FBBB ssss ssSS SSSS
// ASL<.cc><.f> b,b,c              0010 1bbb 1100 0000   FBBB CCCC CC0Q QQQQ
// ASL<.cc><.f> b,b,u6             0010 1bbb 1100 0000   FBBB uuuu uu1Q QQQQ
// ASL<.f> a,limm,c                0010 1110 0000 0000   F111 CCCC CCAA AAAA (+ Limm)
// ASL<.f> a,b,limm                0010 1bbb 0000 0000   FBBB 1111 10AA AAAA (+ Limm)
// ASL<.cc><.f> b,b,limm           0010 1bbb 1100 0000   FBBB 1111 100Q QQQQ (+ Limm)
//
// ASL<.f> 0,b,c                   0010 1bbb 0000 0000   FBBB CCCC CC11 1110
// ASL<.f> 0,b,u6                  0010 1bbb 0100 0000   FBBB uuuu uu11 1110
// ASL<.cc><.f> 0,limm,c           0010 1110 1100 0000   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ASL_multiple_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	uint32_t result = src1 << (src2 & 0x1f);
	if (set_flags)
	{
		o.do_flags_nz(result);
		if (src2 != 0)
		{
			if (src1 & (1 << (32 - src2)))
				o.status32_set_c();
			else
				o.status32_clear_c();
		}
	}
	return result;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// LSR<.f> a,b,c                   0010 1bbb 0000 0001   FBBB CCCC CCAA AAAA
// LSR<.f> a,b,u6                  0010 1bbb 0100 0001   FBBB uuuu uuAA AAAA
// LSR<.f> b,b,s12                 0010 1bbb 1000 0001   FBBB ssss ssSS SSSS
// LSR<.cc><.f> b,b,c              0010 1bbb 1100 0001   FBBB CCCC CC0Q QQQQ
// LSR<.cc><.f> b,b,u6             0010 1bbb 1100 0001   FBBB uuuu uu1Q QQQQ
// LSR<.f> a,limm,c                0010 1110 0000 0001   F111 CCCC CCAA AAAA (+ Limm)
// LSR<.f> a,b,limm                0010 1bbb 0000 0001   FBBB 1111 10AA AAAA (+ Limm)
// LSR<.cc><.f> b,b,limm           0010 1bbb 1100 0001   FBBB 1111 100Q QQQQ (+ Limm)
//
// LSR<.f> 0,b,c                   0010 1bbb 0000 0001   FBBB CCCC CC11 1110
// LSR<.f> 0,b,u6                  0010 1bbb 0100 0001   FBBB uuuu uu11 1110
// LSR<.cc><.f> 0,limm,c           0010 1110 1100 0001   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_LSR_multiple_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	uint32_t result = src1 >> (src2 & 0x1f);
	if (set_flags)
	{
		o.do_flags_nz(result);
		if (src2 != 0)
		{
			if (src1 & (1 << (src2 - 1)))
				o.status32_set_c();
			else
				o.status32_clear_c();
		}
	}
	return result;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ASR<.f> a,b,c                   0010 1bbb 0000 0010   FBBB CCCC CCAA AAAA
// ASR<.f> a,b,u6                  0010 1bbb 0100 0010   FBBB uuuu uuAA AAAA
// ASR<.f> b,b,s12                 0010 1bbb 1000 0010   FBBB ssss ssSS SSSS
// ASR<.cc><.f> b,b,c              0010 1bbb 1100 0010   FBBB CCCC CC0Q QQQQ
// ASR<.cc><.f> b,b,u6             0010 1bbb 1100 0010   FBBB uuuu uu1Q QQQQ
// ASR<.f> a,limm,c                0010 1110 0000 0010   F111 CCCC CCAA AAAA (+ Limm)
// ASR<.f> a,b,limm                0010 1bbb 0000 0010   FBBB 1111 10AA AAAA (+ Limm)
// ASR<.cc><.f> b,b,limm           0010 1bbb 1100 0010   FBBB 1111 100Q QQQQ (+ Limm)
//
// ASR<.f> 0,b,c                   0010 1bbb 0000 0010   FBBB CCCC CC11 1110
// ASR<.f> 0,b,u6                  0010 1bbb 0100 0010   FBBB uuuu uu11 1110
// ASR<.cc><.f> 0,limm,c           0010 1110 1100 0010   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ASR_multiple_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	uint32_t result = src1 >> (src2 & 0x1f);

	if (src1 & 0x80000000)
		result |= 0xffffffff << (31 - (src2 & 0x1f));

	if (set_flags)
	{
		o.do_flags_nz(result);
		if (src2 != 0)
		{
			if (src1 & (1 << (src2 - 1)))
				o.status32_set_c();
			else
				o.status32_clear_c();
		}
	}
	return result;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ROR<.f> a,b,c                   0010 1bbb 0000 0011   FBBB CCCC CCAA AAAA
// ROR<.f> a,b,u6                  0010 1bbb 0100 0011   FBBB uuuu uuAA AAAA
// ROR<.f> b,b,s12                 0010 1bbb 1000 0011   FBBB ssss ssSS SSSS
// ROR<.cc><.f> b,b,c              0010 1bbb 1100 0011   FBBB CCCC CC0Q QQQQ
// ROR<.cc><.f> b,b,u6             0010 1bbb 1100 0011   FBBB uuuu uu1Q QQQQ
// ROR<.f> a,limm,c                0010 1110 0000 0011   F111 CCCC CCAA AAAA (+ Limm)
// ROR<.f> a,b,limm                0010 1bbb 0000 0011   FBBB 1111 10AA AAAA (+ Limm)
// ROR<.cc><.f> b,b,limm           0010 1bbb 1100 0011   FBBB 1111 100Q QQQQ (+ Limm)
//
// ROR<.f> 0,b,c                   0010 1bbb 0000 0011   FBBB CCCC CC11 1110
// ROR<.f> 0,b,u6                  0010 1bbb 0100 0011   FBBB uuuu uu11 1110
// ROR<.cc><.f> 0,limm,c           0010 1110 1100 0011   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ROR_multiple_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	uint32_t result = src1 >> (src2 & 0x1f);
	result |= src1 << (31 - (src2 & 0x1f));

	if (set_flags)
	{
		o.do_flags_nz(result);
		if (src2 != 0)
		{
			if (src1 & (1 << (src2 - 1)))
				o.status32_set_c();
			else
				o.status32_clear_c();
		}
	}
	return result;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Optional for ARCtangent-A5/ARC600, not available as an option on ARC700
//
// 32 x 32 Signed Multiply
// MUL64 <0,>b,c                   0010 1bbb 0000 0100   0BBB CCCC CC11 1110
// MUL64 <0,>b,u6                  0010 1bbb 0100 0100   0BBB uuuu uu11 1110
// MUL64 <0,>b,s12                 0010 1bbb 1000 0100   0BBB ssss ssSS SSSS
// MUL64 <0,>limm,c                0010 1110 0000 0100   0111 CCCC CC11 1110 (+ Limm)
//
// MUL64<.cc> <0,>b,c              0010 1bbb 1100 0100   0BBB CCCC CC0Q QQQQ
// MUL64<.cc> <0,>b,u6             0010 1bbb 1100 0100   0BBB uuuu uu1Q QQQQ
// MUL64<.cc> <0,>limm,c           0010 1110 1100 0100   0111 CCCC CC0Q QQQQ (+ Limm)
// MUL64<.cc> <0,>b,limm           0010 1bbb 1100 0100   0BBB 1111 100Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

void arcompact_device::handleop32_MUL64_do_op(arcompact_device &o, uint32_t src1, uint32_t src2)
{
	uint64_t result = (int32_t)src1 * (int32_t)src2;
	o.m_regs[REG_MLO] = result & 0xffffffff;
	o.m_regs[REG_MMID] = (result >> 16) & 0xffffffff;
	o.m_regs[REG_MHI] = (result >> 32) & 0xffffffff;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Optional for ARCtangent-A5/ARC600, not available as an option on ARC700
//
// 32 x 32 Unsigned Multiply
// special handling, destination register is always the multiply result register, a is ignored
// MULU64 <0,>b,c                  0010 1bbb 0000 0101   0BBB CCCC CC11 1110
// MULU64 <0,>b,u6                 0010 1bbb 0100 0101   0BBB uuuu uu11 1110
// MULU64 <0,>b,s12                0010 1bbb 1000 0101   0BBB ssss ssSS SSSS
// MULU64 <0,>limm,c               0010 1110 0000 0101   0111 CCCC CC11 1110 (+ Limm)
//
// MULU64<.cc> <0,>b,c             0010 1bbb 1100 0101   0BBB CCCC CC0Q QQQQ
// MULU64<.cc> <0,>b,u6            0010 1bbb 1100 0101   0BBB uuuu uu1Q QQQQ
// MULU64<.cc> <0,>limm,c          0010 1110 1100 0101   0111 CCCC CC0Q QQQQ (+ Limm)
// MULU64<.cc> <0,>b,limm          0010 1bbb 1100 0101   0BBB 1111 100Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

void arcompact_device::handleop32_MULU64_do_op(arcompact_device &o, uint32_t src1, uint32_t src2)
{
	uint64_t result = src1 * src2;
	o.m_regs[REG_MLO] = result & 0xffffffff;
	o.m_regs[REG_MMID] = (result >> 16) & 0xffffffff;
	o.m_regs[REG_MHI] = (result >> 32) & 0xffffffff;
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ADDS<.f> a,b,c                  0010 1bbb 0000 0110   FBBB CCCC CCAA AAAA
// ADDS<.f> a,b,u6                 0010 1bbb 0100 0110   FBBB uuuu uuAA AAAA
// ADDS<.f> b,b,s12                0010 1bbb 1000 0110   FBBB ssss ssSS SSSS
// ADDS<.cc><.f> b,b,c             0010 1bbb 1100 0110   FBBB CCCC CC0Q QQQQ
// ADDS<.cc><.f> b,b,u6            0010 1bbb 1100 0110   FBBB uuuu uu1Q QQQQ
// ADDS<.f> a,limm,c               0010 1110 0000 0110   F111 CCCC CCAA AAAA (+ Limm)
// ADDS<.f> a,b,limm               0010 1bbb 0000 0110   FBBB 1111 10AA AAAA (+ Limm)
// ADDS<.cc><.f> b,b,limm          0010 1bbb 1100 0110   FBBB 1111 10QQ QQQQ (+ Limm)
//
// ADDS<.f> 0,b,c                  0010 1bbb 0000 0110   FBBB CCCC CC11 1110
// ADDS<.f> 0,b,u6                 0010 1bbb 0100 0110   FBBB uuuu uu11 1110
// ADDS<.f> 0,b,limm               0010 1bbb 0000 0110   FBBB 1111 1011 1110 (+ Limm)
// ADDS<.cc><.f> 0,limm,c          0010 1110 1100 0110   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ADDS_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("ADDS unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// SUBS<.f> a,b,c                  0010 1bbb 0000 0111   FBBB CCCC CCAA AAAA
// SUBS<.f> a,b,u6                 0010 1bbb 0100 0111   FBBB uuuu uuAA AAAA
// SUBS<.f> b,b,s12                0010 1bbb 1000 0111   FBBB ssss ssSS SSSS
// SUBS<.cc><.f> b,b,c             0010 1bbb 1100 0111   FBBB CCCC CC0Q QQQQ
// SUBS<.cc><.f> b,b,u6            0010 1bbb 1100 0111   FBBB uuuu uu1Q QQQQ
// SUBS<.f> a,limm,c               0010 1110 0000 0111   F111 CCCC CCAA AAAA (+ Limm)
// SUBS<.f> a,b,limm               0010 1bbb 0000 0111   FBBB 1111 10AA AAAA (+ Limm)
// SUBS<.cc><.f> b,b,limm          0010 1bbb 1100 0111   FBBB 1111 10QQ QQQQ (+ Limm)
//
// SUBS<.f> 0,b,c                  0010 1bbb 0000 0111   FBBB CCCC CC11 1110
// SUBS<.f> 0,b,u6                 0010 1bbb 0100 0111   FBBB uuuu uu11 1110
// SUBS<.f> 0,b,limm               0010 1bbb 0000 0111   FBBB 1111 1011 1110 (+ Limm)
// SUBS<.cc><.f> 0,limm,c          0010 1110 1100 0111   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_SUBS_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("SUBS unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// DIVAW a,b,c                     0010 1bbb 0000 1000   0BBB CCCC CCAA AAAA
// DIVAW a,b,u6                    0010 1bbb 0100 1000   0BBB uuuu uuAA AAAA
// DIVAW b,b,s12                   0010 1bbb 1000 1000   0BBB ssss ssSS SSSS
// DIVAW<.cc> b,b,c                0010 1bbb 1100 1000   0BBB CCCC CC0Q QQQQ
// DIVAW<.cc> b,b,u6               0010 1bbb 1100 1000   0BBB uuuu uu1Q QQQQ
// DIVAW a,limm,c                  0010 1110 0000 1000   0111 CCCC CCAA AAAA (+ Limm)
// DIVAW a,b,limm                  0010 1bbb 0000 1000   0BBB 1111 10AA AAAA (+ Limm)
// DIVAW<.cc> b,b,limm             0010 1bbb 1100 1000   0BBB 1111 10QQ QQQQ (+ Limm)
//
// DIVAW 0,b,c                     0010 1bbb 0000 1000   0BBB CCCC CC11 1110
// DIVAW 0,b,u6                    0010 1bbb 0100 1000   0BBB uuuu uu11 1110
// DIVAW<.cc> 0,limm,c             0010 1110 1100 1000   0111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_DIVAW_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("DIVAW unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//                                 IIII I      SS SSSS
// ASLS<.f> a,b,c                  0010 1bbb 0000 1010   FBBB CCCC CCAA AAAA
// ASLS<.f> a,b,u6                 0010 1bbb 0100 1010   FBBB uuuu uuAA AAAA
// ASLS<.f> b,b,s12                0010 1bbb 1000 1010   FBBB ssss ssSS SSSS
// ASLS<.cc><.f> b,b,c             0010 1bbb 1100 1010   FBBB CCCC CC0Q QQQQ
// ASLS<.cc><.f> b,b,u6            0010 1bbb 1100 1010   FBBB uuuu uu1Q QQQQ
// ASLS<.f> a,limm,c               0010 1110 0000 1010   F111 CCCC CCAA AAAA (+ Limm)
// ASLS<.f> a,b,limm               0010 1bbb 0000 1010   FBBB 1111 10AA AAAA (+ Limm)
// ASLS<.cc><.f> b,b,limm          0010 1bbb 1100 1010   FBBB 1111 10QQ QQQQ (+ Limm)
// ASLS<.f> 0,b,c                  0010 1bbb 0000 1010   FBBB CCCC CC11 1110
// ASLS<.f> 0,b,u6                 0010 1bbb 0100 1010   FBBB uuuu uu11 1110
// ASLS<.cc><.f> 0,limm,c          0010 1110 1100 1010   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ASLS_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("ASLS unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ASRS<.f> a,b,c                  0010 1bbb 0000 1011   FBBB CCCC CCAA AAAA
// ASRS<.f> a,b,u6                 0010 1bbb 0100 1011   FBBB uuuu uuAA AAAA
// ASRS<.f> b,b,s12                0010 1bbb 1000 1011   FBBB ssss ssSS SSSS
// ASRS<.cc><.f> b,b,c             0010 1bbb 1100 1011   FBBB CCCC CC0Q QQQQ
// ASRS<.cc><.f> b,b,u6            0010 1bbb 1100 1011   FBBB uuuu uu1Q QQQQ
// ASRS<.f> a,limm,c               0010 1110 0000 1011   F111 CCCC CCAA AAAA (+ Limm)
// ASRS<.f> a,b,limm               0010 1bbb 0000 1011   FBBB 1111 10AA AAAA (+ Limm)
// ASRS<.cc><.f> b,b,limm          0010 1bbb 1100 1011   FBBB 1111 10QQ QQQQ (+ Limm)
//
// ASRS<.f> 0,b,c                  0010 1bbb 0000 1011   FBBB CCCC CC11 1110
// ASRS<.f> 0,b,u6                 0010 1bbb 0100 1011   FBBB uuuu uu11 1110
// ASRS<.cc><.f> 0,limm,c          0010 1110 1100 1011   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ASRS_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("ASRS unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ADDSDW<.f> a,b,c                0010 1bbb 0010 1000   FBBB CCCC CCAA AAAA
// ADDSDW<.f> a,b,u6               0010 1bbb 0110 1000   FBBB uuuu uuAA AAAA
// ADDSDW<.f> b,b,s12              0010 1bbb 1010 1000   FBBB ssss ssSS SSSS
// ADDSDW<.cc><.f> b,b,c           0010 1bbb 1110 1000   FBBB CCCC CC0Q QQQQ
// ADDSDW<.cc><.f> b,b,u6          0010 1bbb 1110 1000   FBBB uuuu uu1Q QQQQ
// ADDSDW<.f> a,limm,c             0010 1110 0010 1000   F111 CCCC CCAA AAAA (+ Limm)
// ADDSDW<.f> a,b,limm             0010 1bbb 0010 1000   FBBB 1111 10AA AAAA (+ Limm)
// ADDSDW<.cc><.f> b,b,limm        0010 1bbb 1110 1000   FBBB 1111 10QQ QQQQ (+ Limm)
//
// ADDSDW<.f> 0,b,c                0010 1bbb 0010 1000   FBBB CCCC CC11 1110
// ADDSDW<.f> 0,b,u6               0010 1bbb 0110 1000   FBBB uuuu uu11 1110
// ADDSDW<.cc><.f> 0,limm,c        0010 1110 1110 1000   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_ADDSDW_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("ADDSDW unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// SUBSDW<.f> a,b,c                0010 1bbb 0010 1001   FBBB CCCC CCAA AAAA
// SUBSDW<.f> a,b,u6               0010 1bbb 0110 1001   FBBB uuuu uuAA AAAA
// SUBSDW<.f> b,b,s12              0010 1bbb 1010 1001   FBBB ssss ssSS SSSS
// SUBSDW<.cc><.f> b,b,c           0010 1bbb 1110 1001   FBBB CCCC CC0Q QQQQ
// SUBSDW<.cc><.f> b,b,u6          0010 1bbb 1110 1001   FBBB uuuu uu1Q QQQQ
// SUBSDW<.f> a,limm,c             0010 1110 0010 1001   F111 CCCC CCAA AAAA (+ Limm)
// SUBSDW<.f> a,b,limm             0010 1bbb 0010 1001   FBBB 1111 10AA AAAA (+ Limm)
// SUBSDW<.cc><.f> b,b,limm        0010 1bbb 1110 1001   FBBB 1111 10QQ QQQQ (+ Limm)
//
// SUBSDW<.f> 0,b,c                0010 1bbb 0010 1001   FBBB CCCC CC11 1110
// SUBSDW<.f> 0,b,u6               0010 1bbb 0110 1001   FBBB uuuu uu11 1110
// SUBSDW<.cc><.f> 0,limm,c        0010 1110 1110 1001   F111 CCCC CC0Q QQQQ (+ Limm)
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_SUBSDW_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("SUBSDW unhandled");
}

// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Unknown Extension Ops
//
// the Leapster BIOS makes use of these in one small area of the code
// probably dual-16bit ops, but also making use of a bunch of AUX ports for data?
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

uint32_t arcompact_device::handleop32_UNKNOWN_05_0c_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("UNKNOWN_05_0c unhandled");
}

uint32_t arcompact_device::handleop32_UNKNOWN_05_10_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("UNKNOWN_05_10 unhandled");
}

uint32_t arcompact_device::handleop32_UNKNOWN_05_14_do_op(arcompact_device &o, uint32_t src1, uint32_t src2, bool set_flags)
{
	fatalerror("UNKNOWN_05_14 unhandled");
}