// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_NES_MMC2_H #define MAME_BUS_NES_MMC2_H #pragma once #include "nxrom.h" // ======================> nes_pxrom_device class nes_pxrom_device : public nes_nrom_device { public: // construction/destruction nes_pxrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void pxrom_write(offs_t offset, uint8_t data); virtual void write_h(offs_t offset, uint8_t data) override { pxrom_write(offset, data); } virtual void ppu_latch(offs_t offset) override; virtual void pcb_reset() override; protected: nes_pxrom_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 ATTR_COLD; uint8_t m_reg[4]; int m_latch1, m_latch2; }; // ======================> nes_fxrom_device class nes_fxrom_device : public nes_pxrom_device { public: // construction/destruction nes_fxrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void write_h(offs_t offset, uint8_t data) override; virtual void pcb_reset() override; }; // device type definition DECLARE_DEVICE_TYPE(NES_PXROM, nes_pxrom_device) DECLARE_DEVICE_TYPE(NES_FXROM, nes_fxrom_device) #endif // MAME_BUS_NES_MMC2_H