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se3208.c: Modernized cpu core. [Wilbert Pol]
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Wilbert Pol
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@ -7,6 +7,162 @@ enum
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#define SE3208_INT 0
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DECLARE_LEGACY_CPU_DEVICE(SE3208, se3208);
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CPU_DISASSEMBLE( se3208 );
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class se3208_device : public cpu_device
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{
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public:
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// construction/destruction
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se3208_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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// device_execute_interface overrides
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virtual UINT32 execute_min_cycles() const { return 1; }
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virtual UINT32 execute_max_cycles() const { return 1; }
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virtual UINT32 execute_input_lines() const { return 1; }
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virtual void execute_run();
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virtual void execute_set_input(int inputnum, int state);
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// device_memory_interface overrides
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virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const { return (spacenum == AS_PROGRAM) ? &m_program_config : NULL; }
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// device_state_interface overrides
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void state_string_export(const device_state_entry &entry, astring &string);
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// device_disasm_interface overrides
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virtual UINT32 disasm_min_opcode_bytes() const { return 2; }
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virtual UINT32 disasm_max_opcode_bytes() const { return 2; }
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virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
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private:
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address_space_config m_program_config;
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//GPR
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UINT32 m_R[8];
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//SPR
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UINT32 m_PC;
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UINT32 m_SR;
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UINT32 m_SP;
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UINT32 m_ER;
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UINT32 m_PPC;
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address_space *m_program;
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direct_read_data *m_direct;
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UINT8 m_IRQ;
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UINT8 m_NMI;
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int m_icount;
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inline UINT32 read_dword_unaligned(address_space &space, UINT32 address);
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inline UINT16 read_word_unaligned(address_space &space, UINT32 address);
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inline void write_dword_unaligned(address_space &space, UINT32 address, UINT32 data);
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inline void write_word_unaligned(address_space &space, UINT32 address, UINT16 data);
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inline UINT8 SE3208_Read8(UINT32 addr);
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inline UINT16 SE3208_Read16(UINT32 addr);
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inline UINT32 SE3208_Read32(UINT32 addr);
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inline void SE3208_Write8(UINT32 addr,UINT8 val);
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inline void SE3208_Write16(UINT32 addr,UINT16 val);
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inline void SE3208_Write32(UINT32 addr,UINT32 val);
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inline UINT32 AddWithFlags(UINT32 a,UINT32 b);
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inline UINT32 SubWithFlags(UINT32 a,UINT32 b);
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inline UINT32 AdcWithFlags(UINT32 a,UINT32 b);
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inline UINT32 SbcWithFlags(UINT32 a,UINT32 b);
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inline UINT32 MulWithFlags(UINT32 a,UINT32 b);
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inline UINT32 NegWithFlags(UINT32 a);
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inline UINT32 AsrWithFlags(UINT32 Val, UINT8 By);
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inline UINT32 LsrWithFlags(UINT32 Val, UINT8 By);
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inline UINT32 AslWithFlags(UINT32 Val, UINT8 By);
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inline void PushVal(UINT32 Val);
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inline UINT32 PopVal();
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typedef void (se3208_device::*_OP)(UINT16 Opcode);
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_OP OpTable[0x10000];
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void INVALIDOP(UINT16 Opcode);
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void LDB(UINT16 Opcode);
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void STB(UINT16 Opcode);
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void LDS(UINT16 Opcode);
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void STS(UINT16 Opcode);
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void LD(UINT16 Opcode);
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void ST(UINT16 Opcode);
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void LDBU(UINT16 Opcode);
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void LDSU(UINT16 Opcode);
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void LERI(UINT16 Opcode);
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void LDSP(UINT16 Opcode);
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void STSP(UINT16 Opcode);
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void PUSH(UINT16 Opcode);
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void POP(UINT16 Opcode);
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void LEATOSP(UINT16 Opcode);
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void LEAFROMSP(UINT16 Opcode);
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void LEASPTOSP(UINT16 Opcode);
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void MOV(UINT16 Opcode);
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void LDI(UINT16 Opcode);
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void LDBSP(UINT16 Opcode);
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void STBSP(UINT16 Opcode);
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void LDSSP(UINT16 Opcode);
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void STSSP(UINT16 Opcode);
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void LDBUSP(UINT16 Opcode);
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void LDSUSP(UINT16 Opcode);
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void ADDI(UINT16 Opcode);
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void SUBI(UINT16 Opcode);
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void ADCI(UINT16 Opcode);
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void SBCI(UINT16 Opcode);
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void ANDI(UINT16 Opcode);
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void ORI(UINT16 Opcode);
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void XORI(UINT16 Opcode);
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void CMPI(UINT16 Opcode);
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void TSTI(UINT16 Opcode);
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void ADD(UINT16 Opcode);
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void SUB(UINT16 Opcode);
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void ADC(UINT16 Opcode);
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void SBC(UINT16 Opcode);
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void AND(UINT16 Opcode);
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void OR(UINT16 Opcode);
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void XOR(UINT16 Opcode);
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void CMP(UINT16 Opcode);
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void TST(UINT16 Opcode);
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void MULS(UINT16 Opcode);
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void NEG(UINT16 Opcode);
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void CALL(UINT16 Opcode);
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void JV(UINT16 Opcode);
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void JNV(UINT16 Opcode);
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void JC(UINT16 Opcode);
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void JNC(UINT16 Opcode);
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void JP(UINT16 Opcode);
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void JM(UINT16 Opcode);
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void JNZ(UINT16 Opcode);
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void JZ(UINT16 Opcode);
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void JGE(UINT16 Opcode);
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void JLE(UINT16 Opcode);
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void JHI(UINT16 Opcode);
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void JLS(UINT16 Opcode);
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void JGT(UINT16 Opcode);
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void JLT(UINT16 Opcode);
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void JMP(UINT16 Opcode);
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void JR(UINT16 Opcode);
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void CALLR(UINT16 Opcode);
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void ASR(UINT16 Opcode);
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void LSR(UINT16 Opcode);
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void ASL(UINT16 Opcode);
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void EXTB(UINT16 Opcode);
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void EXTS(UINT16 Opcode);
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void SET(UINT16 Opcode);
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void CLR(UINT16 Opcode);
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void SWI(UINT16 Opcode);
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void HALT(UINT16 Opcode);
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void MVTC(UINT16 Opcode);
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void MVFC(UINT16 Opcode);
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void BuildTable(void);
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_OP DecodeOp(UINT16 Opcode);
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void SE3208_NMI();
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void SE3208_Interrupt();
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};
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extern const device_type SE3208;
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