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https://github.com/holub/mame
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mos8722: devcb2. (nw)
This commit is contained in:
Curt Coder
parent
5a54c5cb7d
commit
647886b12d
@ -13,6 +13,14 @@
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type MOS8722 = &device_creator<mos8722_device>;
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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@ -20,39 +28,6 @@
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#define LOG 0
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// registers
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enum
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{
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CR = 0,
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PCRA, LCRA = PCRA,
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PCRB, LCRB = PCRB,
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PCRC, LCRC = PCRC,
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PCRD, LCRD = PCRD,
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MCR,
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RCR,
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P0L,
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P0H,
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P1L,
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P1H,
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VR
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};
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// configuration register
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enum
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{
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CR_IO_SYSTEM_IO = 0,
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CR_IO_HI_ROM
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};
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enum
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{
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CR_ROM_SYSTEM_ROM = 0,
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CR_ROM_INT_FUNC_ROM,
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CR_ROM_EXT_FUNC_ROM,
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CR_ROM_RAM
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};
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#define CR_IO BIT(m_reg[CR], 0)
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#define CR_ROM_LO BIT(m_reg[CR], 1)
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#define CR_ROM_MID ((m_reg[CR] >> 2) & 0x03)
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@ -73,14 +48,6 @@ enum
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static const offs_t RCR_BOTTOM_ADDRESS[4] = { 0x0400, 0x1000, 0x0400, 0x1000 };
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static const offs_t RCR_TOP_ADDRESS[4] = { 0xf000, 0xf000, 0xe000, 0xc000 };
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enum
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{
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RCR_SHARE_1K = 0,
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RCR_SHARE_4K,
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RCR_SHARE_8K,
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RCR_SHARE_16K
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};
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#define RCR_SHARE (m_reg[RCR] & 0x03)
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#define RCR_BOTTOM BIT(m_reg[RCR], 2)
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#define RCR_TOP BIT(m_reg[RCR], 3)
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@ -96,13 +63,6 @@ enum
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type MOS8722 = &device_creator<mos8722_device>;
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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@ -111,37 +71,17 @@ const device_type MOS8722 = &device_creator<mos8722_device>;
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// mos8722_device - constructor
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//-------------------------------------------------
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mos8722_device::mos8722_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, MOS8722, "MOS8722", tag, owner, clock, "mos8722", __FILE__)
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mos8722_device::mos8722_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, MOS8722, "MOS8722", tag, owner, clock, "mos8722", __FILE__),
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m_write_z80en(*this),
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m_write_fsdir(*this),
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m_read_game(*this),
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m_read_exrom(*this),
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m_read_sense40(*this)
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{
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}
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void mos8722_device::device_config_complete()
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{
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// inherit a copy of the static data
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const mos8722_interface *intf = reinterpret_cast<const mos8722_interface *>(static_config());
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if (intf != NULL)
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*static_cast<mos8722_interface *>(this) = *intf;
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// or initialize to defaults if none provided
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else
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{
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memset(&m_out_z80en_cb, 0, sizeof(m_out_z80en_cb));
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memset(&m_out_fsdir_cb, 0, sizeof(m_out_fsdir_cb));
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memset(&m_in_game_cb, 0, sizeof(m_in_game_cb));
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memset(&m_in_exrom_cb, 0, sizeof(m_in_exrom_cb));
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memset(&m_in_sense40_cb, 0, sizeof(m_in_sense40_cb));
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}
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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@ -149,11 +89,11 @@ void mos8722_device::device_config_complete()
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void mos8722_device::device_start()
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{
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// resolve callbacks
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m_out_z80en_func.resolve(m_out_z80en_cb, *this);
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m_out_fsdir_func.resolve(m_out_fsdir_cb, *this);
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m_in_game_func.resolve(m_in_game_cb, *this);
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m_in_exrom_func.resolve(m_in_exrom_cb, *this);
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m_in_sense40_func.resolve(m_in_sense40_cb, *this);
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m_write_z80en.resolve_safe();
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m_write_fsdir.resolve_safe();
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m_read_game.resolve_safe(1);
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m_read_exrom.resolve_safe(1);
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m_read_sense40.resolve_safe(1);
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}
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@ -173,8 +113,8 @@ void mos8722_device::device_reset()
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m_p0h_latch = 0;
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m_p1h_latch = 0;
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m_out_z80en_func(MCR_8500);
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m_out_fsdir_func(MCR_FSDIR);
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m_write_z80en(MCR_8500);
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m_write_fsdir(MCR_FSDIR);
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}
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@ -197,9 +137,9 @@ UINT8 mos8722_device::read(offs_t offset, UINT8 data)
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case MCR:
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data = m_reg[MCR] | 0x06;
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data &= ((m_in_game_func() << 4) | ~0x10);
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data &= ((m_in_exrom_func() << 5) | ~0x20);
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data &= ((m_in_sense40_func() << 7) | ~0x80);
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data &= ((m_read_game() << 4) | ~0x10);
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data &= ((m_read_exrom() << 5) | ~0x20);
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data &= ((m_read_sense40() << 7) | ~0x80);
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break;
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case VR:
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@ -261,8 +201,8 @@ WRITE8_MEMBER( mos8722_device::write )
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m_reg[MCR] = data;
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if (_8500 != MCR_8500) m_out_z80en_func(MCR_8500);
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if (fsdir != MCR_FSDIR) m_out_fsdir_func(MCR_FSDIR);
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if (_8500 != MCR_8500) m_write_z80en(MCR_8500);
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if (fsdir != MCR_FSDIR) m_write_fsdir(MCR_FSDIR);
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break;
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}
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@ -49,13 +49,20 @@
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_MOS8722_ADD(_tag, _config) \
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MCFG_DEVICE_ADD(_tag, MOS8722, 0) \
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MCFG_DEVICE_CONFIG(_config)
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#define MCFG_MOS8722_Z80EN_CALLBACK(_write) \
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devcb = &mos8722_device::set_z80en_wr_callback(*device, DEVCB2_##_write);
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#define MCFG_MOS8722_FSDIR_CALLBACK(_write) \
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devcb = &mos8722_device::set_fsdir_wr_callback(*device, DEVCB2_##_write);
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#define MOS8722_INTERFACE(name) \
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const mos8722_interface (name) =
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#define MCFG_MOS8722_GAME_CALLBACK(_read) \
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devcb = &mos8722_device::set_game_rd_callback(*device, DEVCB2_##_read);
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#define MCFG_MOS8722_EXROM_CALLBACK(_read) \
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devcb = &mos8722_device::set_exrom_rd_callback(*device, DEVCB2_##_read);
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#define MCFG_MOS8722_SENSE40_CALLBACK(_read) \
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devcb = &mos8722_device::set_sense40_rd_callback(*device, DEVCB2_##_read);
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@ -63,27 +70,21 @@
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> mos8722_interface
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struct mos8722_interface
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{
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devcb_write_line m_out_z80en_cb;
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devcb_write_line m_out_fsdir_cb;
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devcb_read_line m_in_game_cb;
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devcb_read_line m_in_exrom_cb;
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devcb_read_line m_in_sense40_cb;
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};
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// ======================> mos8722_device
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class mos8722_device : public device_t,
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public mos8722_interface
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class mos8722_device : public device_t
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{
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public:
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// construction/destruction
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mos8722_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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template<class _Object> static devcb2_base &set_z80en_wr_callback(device_t &device, _Object object) { return downcast<mos8722_device &>(device).m_write_z80en.set_callback(object); }
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template<class _Object> static devcb2_base &set_fsdir_wr_callback(device_t &device, _Object object) { return downcast<mos8722_device &>(device).m_write_fsdir.set_callback(object); }
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template<class _Object> static devcb2_base &set_game_rd_callback(device_t &device, _Object object) { return downcast<mos8722_device &>(device).m_read_game.set_callback(object); }
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template<class _Object> static devcb2_base &set_exrom_rd_callback(device_t &device, _Object object) { return downcast<mos8722_device &>(device).m_read_exrom.set_callback(object); }
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template<class _Object> static devcb2_base &set_sense40_rd_callback(device_t &device, _Object object) { return downcast<mos8722_device &>(device).m_read_sense40.set_callback(object); }
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UINT8 read(offs_t offset, UINT8 data);
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DECLARE_WRITE8_MEMBER( write );
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@ -93,16 +94,53 @@ public:
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protected:
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// device-level overrides
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virtual void device_config_complete();
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virtual void device_start();
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virtual void device_reset();
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private:
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devcb_resolved_write_line m_out_z80en_func;
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devcb_resolved_write_line m_out_fsdir_func;
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devcb_resolved_read_line m_in_game_func;
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devcb_resolved_read_line m_in_exrom_func;
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devcb_resolved_read_line m_in_sense40_func;
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enum
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{
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CR = 0,
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PCRA, LCRA = PCRA,
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PCRB, LCRB = PCRB,
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PCRC, LCRC = PCRC,
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PCRD, LCRD = PCRD,
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MCR,
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RCR,
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P0L,
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P0H,
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P1L,
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P1H,
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VR
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};
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enum
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{
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CR_IO_SYSTEM_IO = 0,
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CR_IO_HI_ROM
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};
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enum
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{
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CR_ROM_SYSTEM_ROM = 0,
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CR_ROM_INT_FUNC_ROM,
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CR_ROM_EXT_FUNC_ROM,
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CR_ROM_RAM
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};
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enum
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{
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RCR_SHARE_1K = 0,
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RCR_SHARE_4K,
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RCR_SHARE_8K,
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RCR_SHARE_16K
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};
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devcb2_write_line m_write_z80en;
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devcb2_write_line m_write_fsdir;
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devcb2_read_line m_read_game;
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devcb2_read_line m_read_exrom;
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devcb2_read_line m_read_sense40;
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UINT8 m_reg[16];
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@ -860,15 +860,6 @@ READ_LINE_MEMBER( c128_state::mmu_sense40_r )
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return BIT(m_40_80->read(), 0);
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}
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static MOS8722_INTERFACE( mmu_intf )
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{
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DEVCB_DRIVER_LINE_MEMBER(c128_state, mmu_z80en_w),
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DEVCB_DRIVER_LINE_MEMBER(c128_state, mmu_fsdir_w),
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DEVCB_DRIVER_LINE_MEMBER(c128_state, mmu_game_r),
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DEVCB_DRIVER_LINE_MEMBER(c128_state, mmu_exrom_r),
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DEVCB_DRIVER_LINE_MEMBER(c128_state, mmu_sense40_r)
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};
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//-------------------------------------------------
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// mc6845_interface vdc_intf
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@ -1478,7 +1469,12 @@ static MACHINE_CONFIG_START( ntsc, c128_state )
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
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// devices
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MCFG_MOS8722_ADD(MOS8722_TAG, mmu_intf)
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MCFG_DEVICE_ADD(MOS8722_TAG, MOS8722, 0)
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MCFG_MOS8722_Z80EN_CALLBACK(WRITELINE(c128_state, mmu_z80en_w))
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MCFG_MOS8722_FSDIR_CALLBACK(WRITELINE(c128_state, mmu_fsdir_w))
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MCFG_MOS8722_GAME_CALLBACK(READLINE(c128_state, mmu_game_r))
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MCFG_MOS8722_EXROM_CALLBACK(READLINE(c128_state, mmu_exrom_r))
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MCFG_MOS8722_SENSE40_CALLBACK(READLINE(c128_state, mmu_sense40_r))
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MCFG_MOS8721_ADD(MOS8721_TAG)
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MCFG_MOS6526_ADD(MOS6526_1_TAG, VIC6567_CLOCK, 60, WRITELINE(c128_state, cia1_irq_w))
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MCFG_MOS6526_SERIAL_CALLBACKS(WRITELINE(c128_state, cia1_cnt_w), WRITELINE(c128_state, cia1_sp_w))
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@ -1611,7 +1607,12 @@ static MACHINE_CONFIG_START( pal, c128_state )
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
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// devices
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MCFG_MOS8722_ADD(MOS8722_TAG, mmu_intf)
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MCFG_DEVICE_ADD(MOS8722_TAG, MOS8722, 0)
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MCFG_MOS8722_Z80EN_CALLBACK(WRITELINE(c128_state, mmu_z80en_w))
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MCFG_MOS8722_FSDIR_CALLBACK(WRITELINE(c128_state, mmu_fsdir_w))
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MCFG_MOS8722_GAME_CALLBACK(READLINE(c128_state, mmu_game_r))
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MCFG_MOS8722_EXROM_CALLBACK(READLINE(c128_state, mmu_exrom_r))
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MCFG_MOS8722_SENSE40_CALLBACK(READLINE(c128_state, mmu_sense40_r))
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MCFG_MOS8721_ADD(MOS8721_TAG)
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MCFG_MOS6526_ADD(MOS6526_1_TAG, VIC6569_CLOCK, 50, WRITELINE(c128_state, cia1_irq_w))
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MCFG_MOS6526_SERIAL_CALLBACKS(WRITELINE(c128_state, cia1_cnt_w), WRITELINE(c128_state, cia1_sp_w))
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