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+// license:BSD-3-Clause
+// copyright-holders:Brad Oliver,Fabio Priuli
+/*****************************************************************************
+
+ nes.h
+
+ Nintendo Entertainment System / Famicom
+
+ ****************************************************************************/
+
+#ifndef NES_H_
+#define NES_H_
+
+
+#include "video/ppu2c0x.h"
+#include "bus/nes/nes_slot.h"
+#include "bus/nes/nes_carts.h"
+#include "bus/nes_ctrl/ctrl.h"
+#include "sound/nes_apu.h"
+
+/***************************************************************************
+ CONSTANTS
+***************************************************************************/
+
+#define NTSC_CLOCK N2A03_DEFAULTCLOCK /* 1.789772 MHz */
+#define PAL_CLOCK (26601712.0/16) /* 1.662607 MHz */
+
+#define NES_BATTERY_SIZE 0x2000
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+/*PPU fast banking constants and structures */
+
+#define CHRROM 0
+#define CHRRAM 1
+
+
+/*PPU nametable fast banking constants and structures */
+
+#define CIRAM 0
+#define ROM 1
+#define EXRAM 2
+#define MMC5FILL 3
+#define CART_NTRAM 4
+
+#define NES_BATTERY 0
+#define NES_WRAM 1
+
+
+class nes_state : public driver_device
+{
+public:
+ nes_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_ppu(*this, "ppu"),
+ m_sound(*this, "nessound"),
+ m_ctrl1(*this, "ctrl1"),
+ m_ctrl2(*this, "ctrl2"),
+ m_exp(*this, "exp"),
+ m_cartslot(*this, "nes_slot"),
+ m_disk(*this, "disk")
+ { }
+
+ /* video-related */
+ int m_last_frame_flip;
+
+ /* misc */
+ ioport_port *m_io_disksel;
+
+ UINT8 *m_vram;
+ UINT8 *m_ciram; //PPU nametable RAM - external to PPU!
+
+ required_device<cpu_device> m_maincpu;
+ required_device<ppu2c0x_device> m_ppu;
+ required_device<nesapu_device> m_sound;
+ required_device<nes_control_port_device> m_ctrl1;
+ required_device<nes_control_port_device> m_ctrl2;
+ optional_device<nes_control_port_device> m_exp;
+ optional_device<nes_cart_slot_device> m_cartslot;
+ optional_device<nes_disksys_device> m_disk;
+
+ int nes_ppu_vidaccess(int address, int data);
+ void ppu_nmi(int *ppu_regs);
+
+ DECLARE_READ8_MEMBER(nes_in0_r);
+ DECLARE_READ8_MEMBER(nes_in1_r);
+ DECLARE_WRITE8_MEMBER(nes_in0_w);
+ DECLARE_READ8_MEMBER(fc_in0_r);
+ DECLARE_READ8_MEMBER(fc_in1_r);
+ DECLARE_WRITE8_MEMBER(fc_in0_w);
+ DECLARE_WRITE8_MEMBER(nes_vh_sprite_dma_w);
+ virtual void machine_start();
+ virtual void machine_reset();
+ virtual void video_start();
+ virtual void video_reset();
+ DECLARE_PALETTE_INIT(nes);
+ UINT32 screen_update_nes(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ DECLARE_READ8_MEMBER(psg_4015_r);
+ DECLARE_WRITE8_MEMBER(psg_4015_w);
+ DECLARE_WRITE8_MEMBER(psg_4017_w);
+ NESCTRL_BRIGHTPIXEL_CB(bright_pixel);
+
+ DECLARE_DRIVER_INIT(famicom);
+
+ // these are needed until we modernize the FDS controller
+ DECLARE_MACHINE_START(fds);
+ DECLARE_MACHINE_START(famitwin);
+ DECLARE_MACHINE_RESET(fds);
+ DECLARE_MACHINE_RESET(famitwin);
+ void setup_disk(nes_disksys_device *slot);
+
+private:
+ memory_bank *m_prg_bank_mem[5];
+};
+
+#endif /* NES_H_ */