diff options
Diffstat (limited to 'src/mess/machine/nes_cony.h')
-rw-r--r-- | src/mess/machine/nes_cony.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/mess/machine/nes_cony.h b/src/mess/machine/nes_cony.h new file mode 100644 index 00000000000..5ccd852f4b9 --- /dev/null +++ b/src/mess/machine/nes_cony.h @@ -0,0 +1,70 @@ +#ifndef __NES_CONY_H +#define __NES_CONY_H + +#include "machine/nes_nxrom.h" + + +// ======================> nes_cony_device + +class nes_cony_device : public nes_nrom_device +{ +public: + // construction/destruction + nes_cony_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); + nes_cony_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual DECLARE_READ8_MEMBER(read_l); + virtual DECLARE_WRITE8_MEMBER(write_l); + virtual DECLARE_WRITE8_MEMBER(write_h); + + virtual void hblank_irq(int scanline, int vblank, int blanked); + virtual void pcb_reset(); + +protected: + virtual void set_prg(); + virtual void set_chr(); + + UINT16 m_irq_count; + int m_irq_enable; + + UINT8 m_latch1, m_latch2; + UINT8 m_low_reg[4]; + UINT8 m_reg[10]; + UINT8 m_extra1; +}; + + +// ======================> nes_yoko_device + +class nes_yoko_device : public nes_cony_device +{ +public: + // construction/destruction + nes_yoko_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual DECLARE_READ8_MEMBER(read_l); + virtual DECLARE_WRITE8_MEMBER(write_l); + virtual DECLARE_WRITE8_MEMBER(write_h); + + virtual void pcb_reset(); + +private: + virtual void set_prg(); + virtual void set_chr(); + + UINT8 m_extra2; +}; + + + + + +// device type definition +extern const device_type NES_CONY; +extern const device_type NES_YOKO; + +#endif |