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bus/apricot/expansion: Replace CPU finders with address space finders (nw)

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This commit is contained in:
AJR 2019-02-25 21:12:30 -05:00
parent 8efc7c322b
commit 3041d13692
3 changed files with 19 additions and 37 deletions
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25
src/devices/bus/apricot/expansion/expansion.cpp
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@ -59,18 +59,16 @@ DEFINE_DEVICE_TYPE(APRICOT_EXPANSION_BUS, apricot_expansion_bus_device, "apricot
apricot_expansion_bus_device::apricot_expansion_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, APRICOT_EXPANSION_BUS, tag, owner, clock),
m_program(nullptr),
m_io(nullptr),
m_program_iop(nullptr),
m_io_iop(nullptr),
m_program(*this, finder_base::DUMMY_TAG, -1),
m_io(*this, finder_base::DUMMY_TAG, -1),
m_program_iop(*this, finder_base::DUMMY_TAG, -1),
m_io_iop(*this, finder_base::DUMMY_TAG, -1),
m_dma1_handler(*this),
m_dma2_handler(*this),
m_ext1_handler(*this),
m_ext2_handler(*this),
m_int2_handler(*this),
m_int3_handler(*this),
m_cpu(*this, finder_base::DUMMY_TAG),
m_iop(*this, finder_base::DUMMY_TAG)
m_int3_handler(*this)
{
}
@ -98,19 +96,6 @@ void apricot_expansion_bus_device::device_start()
m_int3_handler.resolve_safe();
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void apricot_expansion_bus_device::device_reset()
{
m_program = &m_cpu->space(AS_PROGRAM);
m_io = &m_cpu->space(AS_IO);
m_program_iop = &m_iop->space(AS_PROGRAM);
m_io_iop = &m_iop->space(AS_IO);
}
//-------------------------------------------------
// add_card - add new card to our bus
//-------------------------------------------------

25
src/devices/bus/apricot/expansion/expansion.h
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@ -89,16 +89,14 @@ class apricot_expansion_bus_device : public device_t
{
public:
// construction/destruction
template <typename T, typename U>
apricot_expansion_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&cpu_tag, U &&iop_tag)
: apricot_expansion_bus_device(mconfig, tag, owner, (uint32_t)0)
{
m_cpu.set_tag(std::forward<T>(cpu_tag));
m_iop.set_tag(std::forward<U>(iop_tag));
}
apricot_expansion_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~apricot_expansion_bus_device();
template <typename T> void set_program_space(T &&tag, int spacenum) { m_program.set_tag(std::forward<T>(tag), spacenum); }
template <typename T> void set_io_space(T &&tag, int spacenum) { m_io.set_tag(std::forward<T>(tag), spacenum); }
template <typename T> void set_program_iop_space(T &&tag, int spacenum) { m_program_iop.set_tag(std::forward<T>(tag), spacenum); }
template <typename T> void set_io_iop_space(T &&tag, int spacenum) { m_io_iop.set_tag(std::forward<T>(tag), spacenum); }
auto dma1() { return m_dma1_handler.bind(); }
auto dma2() { return m_dma2_handler.bind(); }
auto ext1() { return m_ext1_handler.bind(); }
@ -129,16 +127,15 @@ public:
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
simple_list<device_apricot_expansion_card_interface> m_dev;
// address spaces we have access to
address_space *m_program;
address_space *m_io;
address_space *m_program_iop;
address_space *m_io_iop;
required_address_space m_program;
required_address_space m_io;
optional_address_space m_program_iop;
optional_address_space m_io_iop;
devcb_write_line m_dma1_handler;
devcb_write_line m_dma2_handler;
@ -146,10 +143,6 @@ private:
devcb_write_line m_ext2_handler;
devcb_write_line m_int2_handler;
devcb_write_line m_int3_handler;
// configuration
required_device<cpu_device> m_cpu;
required_device<cpu_device> m_iop;
};
// device type definition

6
src/mame/drivers/apricot.cpp
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@ -473,7 +473,11 @@ void apricot_state::apricot(machine_config &config)
SOFTWARE_LIST(config, "flop_list").set_original("apricot_flop");
// expansion bus
APRICOT_EXPANSION_BUS(config, m_exp, m_cpu, m_iop);
APRICOT_EXPANSION_BUS(config, m_exp, 0);
m_exp->set_program_space(m_cpu, AS_PROGRAM);
m_exp->set_io_space(m_cpu, AS_IO);
m_exp->set_program_iop_space(m_iop, AS_PROGRAM);
m_exp->set_io_iop_space(m_iop, AS_IO);
m_exp->int2().set(m_pic, FUNC(pic8259_device::ir2_w));
m_exp->int3().set(m_pic, FUNC(pic8259_device::ir3_w));
APRICOT_EXPANSION_SLOT(config, "exp:1", apricot_expansion_cards, nullptr);