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tms32051: add TMS32053 (nw)

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This commit is contained in:
Ville Linde 2015-12-10 18:34:16 +02:00
parent 35f5c0cc63
commit 1499f84d83
3 changed files with 97 additions and 7 deletions
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87
src/devices/cpu/tms32051/tms32051.cpp
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@ -40,19 +40,20 @@ enum
const device_type TMS32051 = &device_creator<tms32051_device>;
const device_type TMS32053 = &device_creator<tms32053_device>;
/**************************************************************************
* Internal memory map
* TMS32051 Internal memory map
**************************************************************************/
static ADDRESS_MAP_START( internal_pgm, AS_PROGRAM, 16, tms32051_device )
static ADDRESS_MAP_START( tms32051_internal_pgm, AS_PROGRAM, 16, tms32051_device )
// AM_RANGE(0x0000, 0x1fff) AM_ROM // ROM TODO: is off-chip if MP/_MC = 0
AM_RANGE(0x2000, 0x23ff) AM_RAM AM_SHARE("saram") // SARAM TODO: is off-chip if RAM bit = 0
AM_RANGE(0xfe00, 0xffff) AM_RAM AM_SHARE("daram_b0") // DARAM B0 TODO: is off-chip if CNF = 0
ADDRESS_MAP_END
static ADDRESS_MAP_START( internal_data, AS_DATA, 16, tms32051_device )
static ADDRESS_MAP_START( tms32051_internal_data, AS_DATA, 16, tms32051_device )
AM_RANGE(0x0000, 0x005f) AM_READWRITE(cpuregs_r, cpuregs_w)
AM_RANGE(0x0060, 0x007f) AM_RAM // DARAM B2
AM_RANGE(0x0100, 0x02ff) AM_RAM AM_SHARE("daram_b0") // DARAM B0 TODO: is unconnected if CNF = 1
@ -63,8 +64,41 @@ ADDRESS_MAP_END
tms32051_device::tms32051_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: cpu_device(mconfig, TMS32051, "TMS32051", tag, owner, clock, "tms32051", __FILE__)
, m_program_config("program", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(internal_pgm))
, m_data_config("data", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(internal_data))
, m_program_config("program", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(tms32051_internal_pgm))
, m_data_config("data", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(tms32051_internal_data))
{
}
tms32051_device::tms32051_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)
: cpu_device(mconfig, type, name, tag, owner, clock, shortname, source)
, m_program_config("program", ENDIANNESS_LITTLE, 16, 16, -1)
, m_data_config("data", ENDIANNESS_LITTLE, 16, 16, -1)
{
}
/**************************************************************************
* TMS32053 Internal memory map
**************************************************************************/
static ADDRESS_MAP_START( tms32053_internal_pgm, AS_PROGRAM, 16, tms32053_device )
// AM_RANGE(0x0000, 0x3fff) AM_ROM // ROM TODO: is off-chip if MP/_MC = 0
AM_RANGE(0x4000, 0x4bff) AM_RAM AM_SHARE("saram") // SARAM TODO: is off-chip if RAM bit = 0
AM_RANGE(0xfe00, 0xffff) AM_RAM AM_SHARE("daram_b0") // DARAM B0 TODO: is off-chip if CNF = 0
ADDRESS_MAP_END
static ADDRESS_MAP_START( tms32053_internal_data, AS_DATA, 16, tms32053_device )
AM_RANGE(0x0000, 0x005f) AM_READWRITE(cpuregs_r, cpuregs_w)
AM_RANGE(0x0060, 0x007f) AM_RAM // DARAM B2
AM_RANGE(0x0100, 0x02ff) AM_RAM AM_SHARE("daram_b0") // DARAM B0 TODO: is unconnected if CNF = 1
AM_RANGE(0x0300, 0x04ff) AM_RAM // DARAM B1
AM_RANGE(0x0800, 0x0bff) AM_RAM AM_SHARE("saram") // SARAM TODO: is off-chip if OVLY = 0
ADDRESS_MAP_END
tms32053_device::tms32053_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: tms32051_device(mconfig, TMS32053, "TMS32053", tag, owner, clock, "tms32053", __FILE__)
{
}
@ -441,6 +475,9 @@ WRITE16_MEMBER( tms32051_device::cpuregs_w )
case 0x00: break;
case 0x04: m_imr = data; break;
case 0x05: // GREG
break;
case 0x06: // IFR
{
for (int i = 0; i < 16; i++)
@ -509,6 +546,12 @@ WRITE16_MEMBER( tms32051_device::cpuregs_w )
case 0x28: // PDWSR
break;
case 0x29: // IOWSR
break;
case 0x2a: // CWSR
break;
default:
if (!space.debugger_access())
fatalerror("32051: cpuregs_w: unimplemented memory-mapped register %02X, data %04X at %04X\n", offset, data, m_pc-1);
@ -529,3 +572,37 @@ bool tms32051_device::memory_read(address_spacenum spacenum, offs_t offset, int
}
return 1;
}
void tms32053_device::device_reset()
{
// reset registers
m_st0.intm = 1;
m_st0.ov = 0;
m_st1.c = 1;
m_st1.cnf = 0;
m_st1.hm = 1;
m_st1.pm = 0;
m_st1.sxm = 1;
m_st1.xf = 1;
m_pmst.avis = 0;
m_pmst.braf = 0;
m_pmst.iptr = 0;
m_pmst.ndx = 0;
m_pmst.ovly = 0;
m_pmst.ram = 0;
m_pmst.mpmc = 0; // TODO: this is set to logical pin state at reset
m_pmst.trm = 0;
m_ifr = 0;
m_cbcr = 0;
m_rptc = -1;
CHANGE_PC(0);
}
void tms32053_device::device_config_complete()
{
m_program_config = address_space_config("program", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(tms32053_internal_pgm));
m_data_config = address_space_config("data", ENDIANNESS_LITTLE, 16, 16, -1, ADDRESS_MAP_NAME(tms32053_internal_data));
}

15
src/devices/cpu/tms32051/tms32051.h
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@ -58,6 +58,7 @@ class tms32051_device : public cpu_device
public:
// construction/destruction
tms32051_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
tms32051_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);
DECLARE_READ16_MEMBER( cpuregs_r );
DECLARE_WRITE16_MEMBER( cpuregs_w );
@ -83,7 +84,6 @@ protected:
virtual UINT32 disasm_max_opcode_bytes() const override { return 4; }
virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options) override;
private:
address_space_config m_program_config;
address_space_config m_data_config;
@ -365,7 +365,20 @@ private:
};
class tms32053_device : public tms32051_device
{
public:
// construction/destruction
tms32053_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
virtual void device_config_complete() override;
virtual void device_reset() override;
};
extern const device_type TMS32051;
extern const device_type TMS32053;
#endif /* __TMS32051_H__ */

2
src/mame/drivers/taitopjc.cpp
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@ -528,7 +528,7 @@ static MACHINE_CONFIG_START( taitopjc, taitopjc_state )
MCFG_CPU_VBLANK_INT_DRIVER("screen", taitopjc_state, taitopjc_vbi)
/* TMS320C53 DSP */
MCFG_CPU_ADD("dsp", TMS32051, 40000000) // TODO: add 32053
MCFG_CPU_ADD("dsp", TMS32053, 40000000)
MCFG_CPU_PROGRAM_MAP(tms_program_map)
MCFG_CPU_DATA_MAP(tms_data_map)