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tms32010.c: Modernized cpu core. [Wilbert Pol]

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Wilbert Pol 2013-12-30 13:34:15 +00:00
parent 82b77f00a4
commit 0638b5f573
2 changed files with 697 additions and 687 deletions
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1210
src/emu/cpu/tms32010/tms32010.c
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174
src/emu/cpu/tms32010/tms32010.h
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@ -44,11 +44,177 @@ enum
* Public Functions
*/
DECLARE_LEGACY_CPU_DEVICE(TMS32010, tms32010);
DECLARE_LEGACY_CPU_DEVICE(TMS32015, tms32015);
DECLARE_LEGACY_CPU_DEVICE(TMS32016, tms32016);
class tms32010_device : public cpu_device
{
public:
// construction/destruction
tms32010_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
tms32010_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source, int addr_mask);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_execute_interface overrides
virtual UINT32 execute_min_cycles() const { return 1; }
virtual UINT32 execute_max_cycles() const { return 3; }
virtual UINT32 execute_input_lines() const { return 1; }
virtual void execute_run();
virtual void execute_set_input(int inputnum, int state);
virtual UINT64 execute_clocks_to_cycles(UINT64 clocks) const { return (clocks + 4 - 1) / 4; }
virtual UINT64 execute_cycles_to_clocks(UINT64 cycles) const { return (cycles * 4); }
// device_memory_interface overrides
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const { return (spacenum == AS_PROGRAM) ? &m_program_config : ( (spacenum == AS_IO) ? &m_io_config : ( (spacenum == AS_DATA) ? &m_data_config : NULL ) ); }
// device_state_interface overrides
void state_string_export(const device_state_entry &entry, astring &string);
// device_disasm_interface overrides
virtual UINT32 disasm_min_opcode_bytes() const { return 2; }
virtual UINT32 disasm_max_opcode_bytes() const { return 4; }
virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
private:
address_space_config m_program_config;
address_space_config m_data_config;
address_space_config m_io_config;
typedef void ( tms32010_device::*opcode_func ) ();
struct tms32010_opcode
{
UINT8 cycles;
opcode_func function;
};
static const tms32010_opcode s_opcode_main[256];
static const tms32010_opcode s_opcode_7F[32];
/******************** CPU Internal Registers *******************/
UINT16 m_PC;
UINT16 m_PREVPC; /* previous program counter */
UINT16 m_STR;
PAIR m_ACC;
PAIR m_ALU;
PAIR m_Preg;
UINT16 m_Treg;
UINT16 m_AR[2];
UINT16 m_STACK[4];
PAIR m_opcode;
int m_INTF; /* Pending Interrupt flag */
int m_icount;
PAIR m_oldacc;
UINT16 m_memaccess;
int m_addr_mask;
address_space *m_program;
direct_read_data *m_direct;
address_space *m_data;
address_space *m_io;
inline void CLR(UINT16 flag);
inline void SET_FLAG(UINT16 flag);
inline void CALCULATE_ADD_OVERFLOW(INT32 addval);
inline void CALCULATE_SUB_OVERFLOW(INT32 subval);
inline UINT16 POP_STACK();
inline void PUSH_STACK(UINT16 data);
inline void UPDATE_AR();
inline void UPDATE_ARP();
inline void getdata(UINT8 shift,UINT8 signext);
inline void putdata(UINT16 data);
inline void putdata_sar(UINT8 data);
inline void putdata_sst(UINT16 data);
void opcodes_7F();
void illegal();
void abst();
void add_sh();
void addh();
void adds();
void and_();
void apac();
void br();
void banz();
void bgez();
void bgz();
void bioz();
void blez();
void blz();
void bnz();
void bv();
void bz();
void cala();
void call();
void dint();
void dmov();
void eint();
void in_p();
void lac_sh();
void lack();
void lar_ar0();
void lar_ar1();
void lark_ar0();
void lark_ar1();
void larp_mar();
void ldp();
void ldpk();
void lst();
void lt();
void lta();
void ltd();
void mpy();
void mpyk();
void nop();
void or_();
void out_p();
void pac();
void pop();
void push();
void ret();
void rovm();
void sach_sh();
void sacl();
void sar_ar0();
void sar_ar1();
void sovm();
void spac();
void sst();
void sub_sh();
void subc();
void subh();
void subs();
void tblr();
void tblw();
void xor_();
void zac();
void zalh();
void zals();
inline int add_branch_cycle();
int Ext_IRQ();
};
CPU_DISASSEMBLE( tms32010 );
class tms32015_device : public tms32010_device
{
public:
// construction/destruction
tms32015_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
class tms32016_device : public tms32010_device
{
public:
// construction/destruction
tms32016_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
};
extern const device_type TMS32010;
extern const device_type TMS32015;
extern const device_type TMS32016;
#endif /* __TMS32010_H__ */