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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+#pragma once
+
+#ifndef __CUDA_H__
+#define __CUDA_H__
+
+#include "emu.h"
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define CUDA_TAG "cuda"
+
+#define CUDA_341S0060 0x1100 // v2.40 (Most common: Performa/Quadra 6xx, PowerMac x200, x400, x500, Pippin, Gossamer G3)
+#define CUDA_341S0788 0x2200 // v2.37 (LC 475/575/Quadra 605, Quadra 660AV/840AV, PowerMac x200)
+#define CUDA_341S0417 0x3300 // v2.35 (Color Classic)
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_CUDA_ADD(_type) \
+ MCFG_DEVICE_ADD(CUDA_TAG, CUDA, 0) \
+ MCFG_CUDA_TYPE(_type)
+
+#define MCFG_CUDA_REPLACE(_type) \
+ MCFG_DEVICE_REPLACE(CUDA_TAG, CUDA, 0) \
+ MCFG_CUDA_TYPE(_type)
+
+#define MCFG_CUDA_REMOVE() \
+ MCFG_DEVICE_REMOVE(CUDA_TAG)
+
+#define MCFG_CUDA_TYPE(_type) \
+ cuda_device::static_set_type(*device, _type);
+
+#define MCFG_CUDA_REMOVE() \
+ MCFG_DEVICE_REMOVE(CUDA_TAG)
+
+#define MCFG_CUDA_RESET_CALLBACK(_cb) \
+ devcb = &cuda_device::set_reset_cb(*device, DEVCB_##_cb);
+
+#define MCFG_CUDA_LINECHANGE_CALLBACK(_cb) \
+ devcb = &cuda_device::set_linechange_cb(*device, DEVCB_##_cb);
+
+#define MCFG_CUDA_VIA_CLOCK_CALLBACK(_cb) \
+ devcb = &cuda_device::set_via_clock_cb(*device, DEVCB_##_cb);
+
+#define MCFG_CUDA_VIA_DATA_CALLBACK(_cb) \
+ devcb = &cuda_device::set_via_data_cb(*device, DEVCB_##_cb);
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> cuda_device
+
+class cuda_device : public device_t, public device_nvram_interface
+{
+public:
+ // construction/destruction
+ cuda_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // inline configuration helpers
+ static void static_set_type(device_t &device, int type);
+
+ // device_config_nvram_interface overrides
+ virtual void nvram_default();
+ virtual void nvram_read(emu_file &file);
+ virtual void nvram_write(emu_file &file);
+
+ DECLARE_READ8_MEMBER( ddr_r );
+ DECLARE_WRITE8_MEMBER( ddr_w );
+ DECLARE_READ8_MEMBER( ports_r );
+ DECLARE_WRITE8_MEMBER( ports_w );
+ DECLARE_READ8_MEMBER( pll_r );
+ DECLARE_WRITE8_MEMBER( pll_w );
+ DECLARE_READ8_MEMBER( timer_ctrl_r );
+ DECLARE_WRITE8_MEMBER( timer_ctrl_w );
+ DECLARE_READ8_MEMBER( timer_counter_r );
+ DECLARE_WRITE8_MEMBER( timer_counter_w );
+ DECLARE_READ8_MEMBER( onesec_r );
+ DECLARE_WRITE8_MEMBER( onesec_w );
+ DECLARE_READ8_MEMBER( pram_r );
+ DECLARE_WRITE8_MEMBER( pram_w );
+
+ // VIA interface routines
+ UINT8 get_treq() { return treq; }
+ void set_tip(UINT8 val) { tip = val; }
+ void set_byteack(UINT8 val) { byteack = val; }
+ UINT8 get_via_data() { return via_data; }
+ void set_via_data(UINT8 dat) { via_data = dat; }
+ UINT8 get_via_clock() { return via_clock; }
+ void set_adb_line(int linestate) { adb_in = (linestate == ASSERT_LINE) ? true : false; }
+ int get_adb_dtime() { return m_adb_dtime; }
+
+ int rom_offset;
+
+ template<class _Object> static devcb_base &set_reset_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_reset.set_callback(wr); }
+ template<class _Object> static devcb_base &set_linechange_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_linechange.set_callback(wr); }
+ template<class _Object> static devcb_base &set_via_clock_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_via_clock.set_callback(wr); }
+ template<class _Object> static devcb_base &set_via_data_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_via_data.set_callback(wr); }
+
+ devcb_write_line write_reset, write_linechange, write_via_clock, write_via_data;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual const rom_entry *device_rom_region() const;
+
+ required_device<cpu_device> m_maincpu;
+
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+
+private:
+ UINT8 ddrs[3];
+ UINT8 ports[3];
+ UINT8 pll_ctrl;
+ UINT8 timer_ctrl;
+ UINT8 timer_counter, ripple_counter;
+ UINT8 onesec;
+ UINT8 treq, byteack, tip, via_data, via_clock, last_adb;
+ UINT64 last_adb_time;
+ bool cuda_controls_power;
+ bool adb_in;
+ int reset_line;
+ int m_adb_dtime;
+ emu_timer *m_timer, *m_prog_timer;
+ UINT8 pram[0x100], disk_pram[0x100];
+ bool pram_loaded;
+
+ void send_port(address_space &space, UINT8 offset, UINT8 data);
+};
+
+// device type definition
+extern const device_type CUDA;
+
+#endif