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King clean-ups (nw)

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This commit is contained in:
angelosa 2017-01-26 15:27:14 +01:00
parent 1756a54c74
commit 07ef2097d3
2 changed files with 63 additions and 45 deletions
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93
src/devices/video/huc6272.cpp
View File

@ -18,45 +18,16 @@
// device type definition
const device_type huc6272 = &device_creator<huc6272_device>;
static ADDRESS_MAP_START( huc6272_vram, AS_0, 32, huc6272_device )
static ADDRESS_MAP_START( microprg_map, AS_PROGRAM, 16, huc6272_device )
AM_RANGE(0x00, 0x0f) AM_RAM AM_SHARE("microprg_ram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( kram_map, AS_DATA, 32, huc6272_device )
AM_RANGE(0x000000, 0x0fffff) AM_RAM
AM_RANGE(0x100000, 0x1fffff) AM_RAM
ADDRESS_MAP_END
//-------------------------------------------------
// memory_space_config - return a description of
// any address spaces owned by this device
//-------------------------------------------------
const address_space_config *huc6272_device::memory_space_config(address_spacenum spacenum) const
{
return (spacenum == AS_0) ? &m_space_config : nullptr;
}
//**************************************************************************
// INLINE HELPERS
//**************************************************************************
//-------------------------------------------------
// read_dword - read a dword at the given address
//-------------------------------------------------
inline uint32_t huc6272_device::read_dword(offs_t address)
{
return space().read_dword(address << 2);
}
//-------------------------------------------------
// write_dword - write a dword at the given address
//-------------------------------------------------
inline void huc6272_device::write_dword(offs_t address, uint32_t data)
{
space().write_dword(address << 2, data);
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
@ -68,7 +39,9 @@ inline void huc6272_device::write_dword(offs_t address, uint32_t data)
huc6272_device::huc6272_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, huc6272, "huc6272", tag, owner, clock, "huc6272", __FILE__),
device_memory_interface(mconfig, *this),
m_space_config("videoram", ENDIANNESS_LITTLE, 32, 32, 0, nullptr, *ADDRESS_MAP_NAME(huc6272_vram))
m_program_space_config("microprg", ENDIANNESS_LITTLE, 16, 4, 0, nullptr, *ADDRESS_MAP_NAME(microprg_map)),
m_data_space_config("kram", ENDIANNESS_LITTLE, 32, 32, 0, nullptr, *ADDRESS_MAP_NAME(kram_map)),
m_microprg_ram(*this, "microprg_ram")
{
}
@ -100,6 +73,48 @@ void huc6272_device::device_reset()
{
}
//-------------------------------------------------
// memory_space_config - return a description of
// any address spaces owned by this device
//-------------------------------------------------
const address_space_config *huc6272_device::memory_space_config(address_spacenum spacenum) const
{
switch(spacenum)
{
case AS_PROGRAM: return &m_program_space_config;
case AS_DATA: return &m_data_space_config;
default: return nullptr;
}
}
//**************************************************************************
// INLINE HELPERS
//**************************************************************************
//-------------------------------------------------
// read_dword - read a dword at the given address
//-------------------------------------------------
inline uint32_t huc6272_device::read_dword(offs_t address)
{
return space(AS_DATA).read_dword(address << 2);
}
//-------------------------------------------------
// write_dword - write a dword at the given address
//-------------------------------------------------
inline void huc6272_device::write_dword(offs_t address, uint32_t data)
{
space(AS_DATA).write_dword(address << 2, data);
}
void huc6272_device::write_microprg_data(offs_t address, uint16_t data)
{
space(AS_PROGRAM).write_word(address << 1, data);
}
//**************************************************************************
// READ/WRITE HANDLERS
@ -230,13 +245,13 @@ WRITE32_MEMBER( huc6272_device::write )
break;
case 0x13:
m_micro_prg.addr = data & 0xf;
m_micro_prg.index = data & 0xf;
break;
case 0x14:
m_micro_prg.data[m_micro_prg.addr] = data & 0xffff;
m_micro_prg.addr++;
m_micro_prg.addr &= 0xf;
write_microprg_data(m_micro_prg.index,data & 0xffff);
m_micro_prg.index ++;
m_micro_prg.index &= 0xf;
break;
case 0x15:

15
src/devices/video/huc6272.h
View File

@ -44,11 +44,9 @@ protected:
virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_start() override;
virtual void device_reset() override;
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const override;
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_PROGRAM) const override;
private:
inline uint32_t read_dword(offs_t address);
inline void write_dword(offs_t address, uint32_t data);
uint8_t m_register;
uint32_t m_kram_addr_r, m_kram_addr_w;
uint16_t m_kram_inc_r,m_kram_inc_w;
@ -57,12 +55,17 @@ private:
uint8_t m_bgmode[4];
struct{
uint8_t addr;
uint8_t index;
uint8_t ctrl;
uint16_t data[16];
}m_micro_prg;
const address_space_config m_space_config;
const address_space_config m_program_space_config;
const address_space_config m_data_space_config;
required_shared_ptr<uint16_t> m_microprg_ram;
uint32_t read_dword(offs_t address);
void write_dword(offs_t address, uint32_t data);
void write_microprg_data(offs_t address, uint16_t data);
};