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Diffstat (limited to 'src/mess/machine/nes_tengen.h')
-rw-r--r-- | src/mess/machine/nes_tengen.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/mess/machine/nes_tengen.h b/src/mess/machine/nes_tengen.h new file mode 100644 index 00000000000..e128f767d3d --- /dev/null +++ b/src/mess/machine/nes_tengen.h @@ -0,0 +1,85 @@ +#ifndef __NES_TENGEN_H +#define __NES_TENGEN_H + +#include "machine/nes_nxrom.h" + + +// ======================> nes_tengen008_device + +class nes_tengen008_device : public nes_nrom_device +{ +public: + // construction/destruction + nes_tengen008_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual DECLARE_WRITE8_MEMBER(write_h); + + virtual void pcb_reset(); +}; + + +// ======================> nes_tengen032_device + +class nes_tengen032_device : public nes_nrom_device +{ +public: + // construction/destruction + nes_tengen032_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_tengen032_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + virtual DECLARE_WRITE8_MEMBER(tengen032_write); + virtual DECLARE_WRITE8_MEMBER(write_h) { tengen032_write(space, offset, data, mem_mask); } + virtual void chr_cb(int start, int bank, int source); + + virtual void hblank_irq(int scanline, int vblank, int blanked); + virtual void pcb_reset(); + +protected: + void set_prg(); + void set_chr(); + void irq_clock(int blanked); + + UINT16 m_irq_count, m_irq_count_latch; + UINT8 m_irq_mode, m_irq_reset; + int m_irq_enable; + + UINT8 m_latch; + UINT8 m_mmc_prg_bank[3]; + UINT8 m_mmc_vrom_bank[8]; + + static const device_timer_id TIMER_IRQ = 0; + emu_timer *irq_timer; +}; + + +// ======================> nes_tengen037_device + +class nes_tengen037_device : public nes_tengen032_device +{ +public: + // construction/destruction + nes_tengen037_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual DECLARE_WRITE8_MEMBER(write_h); + virtual void chr_cb(int start, int bank, int source); + +protected: + void set_mirror(); +}; + + + + + +// device type definition +extern const device_type NES_TENGEN_800008; +extern const device_type NES_TENGEN_800032; +extern const device_type NES_TENGEN_800037; + +#endif |