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This commit is contained in:
Angelo Salese 2012-09-27 18:09:04 +00:00
parent 61e1983def
commit ea08f39798
2 changed files with 136 additions and 58 deletions
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172
src/emu/machine/seibu_cop.c
View File

@ -2,7 +2,7 @@
Seibu COP protection device
(this header needs expanding)
(this header needs expanding!)
***************************************************************************/
@ -18,10 +18,43 @@
// device type definition
const device_type SEIBU_COP = &device_creator<seibu_cop_device>;
#if 0
static ADDRESS_MAP_START( seibu_cop_vram, AS_0, 16, seibu_cop_device )
static ADDRESS_MAP_START( seibu_cop_io, AS_0, 16, seibu_cop_device )
AM_RANGE(0x0028, 0x0029) AM_WRITE(dma_fill_val_lo_w)
AM_RANGE(0x002a, 0x002b) AM_WRITE(dma_fill_val_hi_w)
AM_RANGE(0x005a, 0x005b) AM_WRITE(pal_brightness_val_w)
AM_RANGE(0x005c, 0x005d) AM_WRITE(pal_brightness_mode_w)
AM_RANGE(0x0074, 0x0075) AM_WRITE(dma_unk_param_w)
AM_RANGE(0x0076, 0x0077) AM_WRITE(dma_pal_fade_table_w)
AM_RANGE(0x0078, 0x0079) AM_WRITE(dma_src_w)
AM_RANGE(0x007a, 0x007b) AM_WRITE(dma_size_w)
AM_RANGE(0x007c, 0x007d) AM_WRITE(dma_dst_w)
AM_RANGE(0x007e, 0x007f) AM_WRITE(dma_trigger_w)
ADDRESS_MAP_END
#endif
//**************************************************************************
// INLINE HELPERS
//**************************************************************************
//-------------------------------------------------
// readbyte - read a byte at the given address
//-------------------------------------------------
inline UINT16 seibu_cop_device::read_word(offs_t address)
{
return space().read_word(address);
}
//-------------------------------------------------
// writebyte - write a byte at the given address
//-------------------------------------------------
inline void seibu_cop_device::write_word(offs_t address, UINT16 data)
{
space().write_word(address, data);
}
//**************************************************************************
// LIVE DEVICE
@ -32,7 +65,9 @@ ADDRESS_MAP_END
//-------------------------------------------------
seibu_cop_device::seibu_cop_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, SEIBU_COP, "seibu_cop", tag, owner, clock)
: device_t(mconfig, SEIBU_COP, "seibu_cop", tag, owner, clock),
device_memory_interface(mconfig, *this),
m_space_config("io", ENDIANNESS_LITTLE, 16, 16, 0, NULL, *ADDRESS_MAP_NAME(seibu_cop_io))
{
}
@ -87,65 +122,92 @@ void seibu_cop_device::device_reset()
{
}
//-------------------------------------------------
// memory_space_config - return a description of
// any address spaces owned by this device
//-------------------------------------------------
const address_space_config *seibu_cop_device::memory_space_config(address_spacenum spacenum) const
{
return (spacenum == AS_0) ? &m_space_config : NULL;
}
//**************************************************************************
// READ/WRITE HANDLERS
//**************************************************************************
WRITE16_MEMBER(seibu_cop_device::dma_fill_val_lo_w)
{
COMBINE_DATA(&m_dma_fill_val_lo);
m_dma_fill_val = (m_dma_fill_val_lo) | (m_dma_fill_val_hi << 16);
}
WRITE16_MEMBER(seibu_cop_device::dma_fill_val_hi_w)
{
COMBINE_DATA(&m_dma_fill_val_hi);
m_dma_fill_val = (m_dma_fill_val_lo) | (m_dma_fill_val_hi << 16);
}
WRITE16_MEMBER(seibu_cop_device::pal_brightness_val_w)
{
COMBINE_DATA(&m_pal_brightness_val);
/* TODO: add checks for bits 15-6 */
}
WRITE16_MEMBER(seibu_cop_device::pal_brightness_mode_w)
{
COMBINE_DATA(&m_pal_brightness_mode);
/* TODO: add checks for anything that isn't 4 or 5 */
}
WRITE16_MEMBER(seibu_cop_device::dma_unk_param_w)
{
/*
This sets up a DMA mode of some sort
0x0e00: grainbow, cupsoc
0x0a00: legionna, godzilla, denjinmk
0x0600: heatbrl
0x1e00: zeroteam, xsedae
raiden2 and raidendx doesn't set this up, this could indicate that this is related to the non-private buffer DMAs
(both only uses 0x14 and 0x15 as DMAs afaik)
*/
COMBINE_DATA(&m_dma_unk_param);
}
WRITE16_MEMBER(seibu_cop_device::dma_pal_fade_table_w)
{
COMBINE_DATA(&m_dma_pal_fade_table);
}
WRITE16_MEMBER(seibu_cop_device::dma_src_w)
{
COMBINE_DATA(&m_dma_src[m_dma_trigger]);
}
WRITE16_MEMBER(seibu_cop_device::dma_size_w)
{
COMBINE_DATA(&m_dma_size[m_dma_trigger]);
}
WRITE16_MEMBER(seibu_cop_device::dma_dst_w)
{
COMBINE_DATA(&m_dma_dst[m_dma_trigger]);
}
WRITE16_MEMBER(seibu_cop_device::dma_trigger_w)
{
COMBINE_DATA(&m_dma_exec_param);
m_dma_trigger = m_dma_exec_param & 7;
}
READ16_MEMBER( seibu_cop_device::read )
{
return 0;
return read_word(offset);
}
WRITE16_MEMBER( seibu_cop_device::write )
{
switch(offset)
{
case 0x028/2:
COMBINE_DATA(&m_dma_fill_val_lo);
m_dma_fill_val = (m_dma_fill_val_lo) | (m_dma_fill_val_hi << 16);
break;
case 0x02a/2:
COMBINE_DATA(&m_dma_fill_val_hi);
m_dma_fill_val = (m_dma_fill_val_lo) | (m_dma_fill_val_hi << 16);
break;
case (0x05a/2): COMBINE_DATA(&m_pal_brightness_val); break;
case (0x05c/2): COMBINE_DATA(&m_pal_brightness_mode); break;
case 0x074/2:
/*
This sets up a DMA mode of some sort
0x0e00: grainbow, cupsoc
0x0a00: legionna, godzilla, denjinmk
0x0600: heatbrl
0x1e00: zeroteam, xsedae
raiden2 and raidendx doesn't set this up, this could indicate that this is related to the non-private buffer DMAs
(both only uses 0x14 and 0x15 as DMAs)
*/
COMBINE_DATA(&m_dma_unk_param);
break;
case (0x076/2):
COMBINE_DATA(&m_cop_dma_fade_table);
break;
case (0x078/2): /* DMA source address */
COMBINE_DATA(&m_cop_dma_src[m_cop_dma_trigger]);
break;
case (0x07a/2): /* DMA length */
COMBINE_DATA(&m_cop_dma_size[m_cop_dma_trigger]);
break;
case (0x07c/2): /* DMA destination */
COMBINE_DATA(&m_cop_dma_dst[m_cop_dma_trigger]);
break;
case (0x07e/2): /* DMA parameter */
COMBINE_DATA(&m_cop_dma_exec_param);
m_cop_dma_trigger = m_cop_dma_exec_param & 7;
break;
}
write_word(offset,data);
}

22
src/emu/machine/seibu_cop.h
View File

@ -37,6 +37,7 @@ struct seibu_cop_interface
// ======================> seibu_cop_device
class seibu_cop_device : public device_t,
public device_memory_interface,
public seibu_cop_interface
{
public:
@ -46,6 +47,16 @@ public:
// I/O operations
DECLARE_WRITE16_MEMBER( write );
DECLARE_READ16_MEMBER( read );
DECLARE_WRITE16_MEMBER(dma_fill_val_lo_w);
DECLARE_WRITE16_MEMBER(dma_fill_val_hi_w);
DECLARE_WRITE16_MEMBER(pal_brightness_val_w);
DECLARE_WRITE16_MEMBER(pal_brightness_mode_w);
DECLARE_WRITE16_MEMBER(dma_unk_param_w);
DECLARE_WRITE16_MEMBER(dma_pal_fade_table_w);
DECLARE_WRITE16_MEMBER(dma_src_w);
DECLARE_WRITE16_MEMBER(dma_size_w);
DECLARE_WRITE16_MEMBER(dma_dst_w);
DECLARE_WRITE16_MEMBER(dma_trigger_w);
protected:
// device-level overrides
@ -53,16 +64,21 @@ protected:
virtual void device_validity_check(validity_checker &valid) const;
virtual void device_start();
virtual void device_reset();
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
private:
devcb_resolved_read8 m_in_mreq_func;
devcb_resolved_write8 m_out_mreq_func;
inline UINT16 read_word(offs_t address);
inline void write_word(offs_t address, UINT16 data);
UINT16 m_dma_unk_param, m_cop_dma_fade_table, m_cop_dma_src[8], m_cop_dma_dst[8], m_cop_dma_size[8], m_cop_dma_exec_param;
UINT8 m_cop_dma_trigger;
UINT16 m_dma_unk_param, m_dma_pal_fade_table, m_dma_src[8], m_dma_dst[8], m_dma_size[8], m_dma_exec_param;
UINT8 m_dma_trigger;
UINT16 m_dma_fill_val_lo,m_dma_fill_val_hi;
UINT32 m_dma_fill_val;
UINT8 m_pal_brightness_val, m_pal_brightness_mode;
UINT16 m_pal_brightness_val, m_pal_brightness_mode;
const address_space_config m_space_config;
};