diff options
Diffstat (limited to 'src/devices/bus/spectrum/mface.h')
-rw-r--r-- | src/devices/bus/spectrum/mface.h | 142 |
1 files changed, 132 insertions, 10 deletions
diff --git a/src/devices/bus/spectrum/mface.h b/src/devices/bus/spectrum/mface.h index abf1202cc0d..781201295c8 100644 --- a/src/devices/bus/spectrum/mface.h +++ b/src/devices/bus/spectrum/mface.h @@ -9,7 +9,7 @@ #define MAME_BUS_SPECTRUM_MFACE_H #include "exp.h" - +#include "bus/centronics/ctronics.h" //************************************************************************** // TYPE DEFINITIONS @@ -18,13 +18,12 @@ class spectrum_mface_base_device : public device_t, public device_spectrum_expansion_interface - { public: // construction/destruction spectrum_mface_base_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - virtual DECLARE_INPUT_CHANGED_MEMBER(magic_button); + virtual DECLARE_INPUT_CHANGED_MEMBER(magic_button) { m_slot->nmi_w(newval ? CLEAR_LINE : ASSERT_LINE); }; protected: spectrum_mface_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); @@ -49,21 +48,29 @@ protected: virtual uint8_t iorq_r(offs_t offset) override { return m_exp->iorq_r(offset); } virtual void iorq_w(offs_t offset, uint8_t data) override { m_exp->iorq_w(offset, data); } + void nmi(line_state state) { m_slot->nmi_w(state); m_nmi_pending = state; }; + required_memory_region m_rom; required_device<spectrum_expansion_slot_device> m_exp; - uint8_t m_ram[8 * 1024]; int m_romcs; + int m_nmi_pending; + std::unique_ptr<uint8_t[]> m_ram; }; -class spectrum_mface1_device : public spectrum_mface_base_device +class spectrum_mface1v2_device : public spectrum_mface_base_device { public: - spectrum_mface1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + spectrum_mface1v2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_INPUT_CHANGED_MEMBER(magic_button) override; protected: + spectrum_mface1v2_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + virtual void device_start() override; + // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual ioport_constructor device_input_ports() const override; @@ -71,12 +78,95 @@ protected: virtual uint8_t iorq_r(offs_t offset) override; virtual void iorq_w(offs_t offset, uint8_t data) override; -private: required_ioport m_joy; required_ioport m_hwconfig; }; -class spectrum_mface128_device : public spectrum_mface_base_device +class spectrum_mface1v1_device : public spectrum_mface1v2_device +{ +public: + spectrum_mface1v1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual uint8_t mreq_r(offs_t offset) override; + virtual void mreq_w(offs_t offset, uint8_t data) override; +}; + +class spectrum_mface1v3_device : public spectrum_mface1v2_device +{ +public: + spectrum_mface1v3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + spectrum_mface1v3_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; +}; + +class spectrum_mface1_device : public spectrum_mface1v3_device +{ +public: + spectrum_mface1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_INPUT_CHANGED_MEMBER(magic_button) override; + +protected: + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual ioport_constructor device_input_ports() const override; + + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; +}; + +class spectrum_mface128_base_device : public spectrum_mface_base_device +{ +public: + spectrum_mface128_base_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_INPUT_CHANGED_MEMBER(magic_button) override; + +protected: + spectrum_mface128_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + int m_hidden; +}; + +class spectrum_mface128v1_device : public spectrum_mface128_base_device +{ +public: + spectrum_mface128v1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + spectrum_mface128v1_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + virtual void device_start() override; + + // optional information overrides + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + + int m_d3_ff; // no initial state +}; + +class spectrum_mface128_device : public spectrum_mface128v1_device { public: spectrum_mface128_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); @@ -85,36 +175,68 @@ protected: // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; + virtual void pre_opcode_fetch(offs_t offset) override; virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; }; -class spectrum_mface3_device : public spectrum_mface_base_device +class spectrum_mface3_device : public spectrum_mface128_base_device { public: spectrum_mface3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + DECLARE_INPUT_CHANGED_MEMBER(magic_button) override; + protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +private: + uint8_t m_reg_file[4]; // no initial state + int m_disable; }; -class spectrum_mprint_device : public spectrum_mface_base_device +class spectrum_mprint_device : public spectrum_mface128_base_device { public: spectrum_mprint_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; + virtual void pre_opcode_fetch(offs_t offset) override; virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + +private: + DECLARE_WRITE_LINE_MEMBER(busy_w) { m_busy = state; }; + + required_device<centronics_device> m_centronics; + + int m_busy; }; // device type definition +DECLARE_DEVICE_TYPE(SPECTRUM_MFACE1V1, spectrum_mface1v1_device) +DECLARE_DEVICE_TYPE(SPECTRUM_MFACE1V2, spectrum_mface1v2_device) +DECLARE_DEVICE_TYPE(SPECTRUM_MFACE1V3, spectrum_mface1v3_device) DECLARE_DEVICE_TYPE(SPECTRUM_MFACE1, spectrum_mface1_device) +DECLARE_DEVICE_TYPE(SPECTRUM_MFACE128V1, spectrum_mface128v1_device) DECLARE_DEVICE_TYPE(SPECTRUM_MFACE128, spectrum_mface128_device) DECLARE_DEVICE_TYPE(SPECTRUM_MFACE3, spectrum_mface3_device) DECLARE_DEVICE_TYPE(SPECTRUM_MPRINT, spectrum_mprint_device) |