diff options
Diffstat (limited to 'src/devices/bus/a7800/rom.h')
-rw-r--r-- | src/devices/bus/a7800/rom.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/devices/bus/a7800/rom.h b/src/devices/bus/a7800/rom.h new file mode 100644 index 00000000000..0de17b2a952 --- /dev/null +++ b/src/devices/bus/a7800/rom.h @@ -0,0 +1,261 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __A78_ROM_H +#define __A78_ROM_H + +#include "a78_slot.h" +#include "sound/pokey.h" + + +// ======================> a78_rom_device + +class a78_rom_device : public device_t, + public device_a78_cart_interface +{ +public: + // construction/destruction + a78_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a78_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); +}; + + +// ======================> a78_rom_pokey_device + +class a78_rom_pokey_device : public a78_rom_device +{ +public: + // construction/destruction + a78_rom_pokey_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a78_rom_pokey_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); + +protected: + required_device<pokey_device> m_pokey; +}; + + +// ======================> a78_rom_sg_device + +class a78_rom_sg_device : public a78_rom_device +{ +public: + // construction/destruction + a78_rom_sg_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a78_rom_sg_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); + +protected: + int m_bank; +}; + + +// ======================> a78_rom_sg_pokey_device + +class a78_rom_sg_pokey_device : public a78_rom_sg_device +{ +public: + // construction/destruction + a78_rom_sg_pokey_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); + +protected: + required_device<pokey_device> m_pokey; +}; + + +// ======================> a78_rom_sg_ram_device + +class a78_rom_sg_ram_device : public a78_rom_sg_device +{ +public: + // construction/destruction + a78_rom_sg_ram_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a78_rom_sg_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); +}; + + +// ======================> a78_rom_sg9_device + +class a78_rom_sg9_device : public a78_rom_sg_device +{ +public: + // construction/destruction + a78_rom_sg9_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a78_rom_sg9_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); +}; + + +// ======================> a78_rom_abs_device + +class a78_rom_abs_device : public a78_rom_device +{ +public: + // construction/destruction + a78_rom_abs_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); + +protected: + int m_bank; +}; + + +// ======================> a78_rom_act_device + +class a78_rom_act_device : public a78_rom_device +{ +public: + // construction/destruction + a78_rom_act_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_40xx); + virtual DECLARE_WRITE8_MEMBER(write_40xx); + +protected: + int m_bank; +}; + + +// PCB variants with a POKEY at $0450 + +// ======================> a78_rom_p450_device + +class a78_rom_p450_device : public a78_rom_device +{ +public: + // construction/destruction + a78_rom_p450_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_04xx) { if (offset >= 0x50 && offset < 0x60) return m_pokey450->read(space, offset & 0x0f); else return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_04xx) { if (offset >= 0x50 && offset < 0x60) m_pokey450->write(space, offset & 0x0f, data); } + +protected: + required_device<pokey_device> m_pokey450; +}; + + +// ======================> a78_rom_p450_pokey_device + +class a78_rom_p450_pokey_device : public a78_rom_pokey_device +{ +public: + // construction/destruction + a78_rom_p450_pokey_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_04xx) { if (offset >= 0x50 && offset < 0x60) return m_pokey450->read(space, offset & 0x0f); else return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_04xx) { if (offset >= 0x50 && offset < 0x60) m_pokey450->write(space, offset & 0x0f, data); } + +protected: + required_device<pokey_device> m_pokey450; +}; + + +// ======================> a78_rom_p450_sg_ram_device + +class a78_rom_p450_sg_ram_device : public a78_rom_sg_ram_device +{ +public: + // construction/destruction + a78_rom_p450_sg_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_04xx) { if (offset >= 0x50 && offset < 0x60) return m_pokey450->read(space, offset & 0x0f); else return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_04xx) { if (offset >= 0x50 && offset < 0x60) m_pokey450->write(space, offset & 0x0f, data); } + +protected: + required_device<pokey_device> m_pokey450; +}; + + +// ======================> a78_rom_p450_sg9_device + +class a78_rom_p450_sg9_device : public a78_rom_sg9_device +{ +public: + // construction/destruction + a78_rom_p450_sg9_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual machine_config_constructor device_mconfig_additions() const; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_04xx) { if (offset >= 0x50 && offset < 0x60) return m_pokey450->read(space, offset & 0x0f); else return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_04xx) { if (offset >= 0x50 && offset < 0x60) m_pokey450->write(space, offset & 0x0f, data); } + +protected: + required_device<pokey_device> m_pokey450; +}; + + + + + +// device type definition +extern const device_type A78_ROM; +extern const device_type A78_ROM_SG; +extern const device_type A78_ROM_POKEY; +extern const device_type A78_ROM_SG_POKEY; +extern const device_type A78_ROM_SG_RAM; +extern const device_type A78_ROM_SG9; +extern const device_type A78_ROM_ABSOLUTE; +extern const device_type A78_ROM_ACTIVISION; + +// PCB variants with a POKEY at $0450 +extern const device_type A78_ROM_P450; +extern const device_type A78_ROM_P450_POKEY; +extern const device_type A78_ROM_P450_SG_RAM; +extern const device_type A78_ROM_P450_SG9; + +#endif |