// license:BSD-3-Clause
// copyright-holders:R. Belmont
#pragma once
#ifndef __CUDA_H__
#define __CUDA_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) \
downcast<cuda_device &>(*device).set_type(_type);
#define MCFG_CUDA_REMOVE() \
MCFG_DEVICE_REMOVE(CUDA_TAG)
#define MCFG_CUDA_RESET_CALLBACK(_cb) \
devcb = &downcast<cuda_device &>(*device).set_reset_cb(DEVCB_##_cb);
#define MCFG_CUDA_LINECHANGE_CALLBACK(_cb) \
devcb = &downcast<cuda_device &>(*device).set_linechange_cb(DEVCB_##_cb);
#define MCFG_CUDA_VIA_CLOCK_CALLBACK(_cb) \
devcb = &downcast<cuda_device &>(*device).set_via_clock_cb(DEVCB_##_cb);
#define MCFG_CUDA_VIA_DATA_CALLBACK(_cb) \
devcb = &downcast<cuda_device &>(*device).set_via_data_cb(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_t clock);
// inline configuration helpers
void set_type(int type) { rom_offset = type; }
// device_config_nvram_interface overrides
virtual void nvram_default() override;
virtual void nvram_read(emu_file &file) override;
virtual void nvram_write(emu_file &file) override;
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_t get_treq() { return treq; }
void set_tip(uint8_t val) { tip = val; }
void set_byteack(uint8_t val) { byteack = val; }
uint8_t get_via_data() { return via_data; }
void set_via_data(uint8_t dat) { via_data = dat; }
uint8_t 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> devcb_base &set_reset_cb(Object &&wr) { return write_reset.set_callback(std::forward<Object>(wr)); }
template <class Object> devcb_base &set_linechange_cb(Object &&wr) { return write_linechange.set_callback(std::forward<Object>(wr)); }
template <class Object> devcb_base &set_via_clock_cb(Object &&wr) { return write_via_clock.set_callback(std::forward<Object>(wr)); }
template <class Object> devcb_base &set_via_data_cb(Object &&wr) { return write_via_data.set_callback(std::forward<Object>(wr)); }
devcb_write_line write_reset, write_linechange, write_via_clock, write_via_data;
void cuda_map(address_map &map);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
required_device<cpu_device> m_maincpu;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
uint8_t ddrs[3];
uint8_t ports[3];
uint8_t pll_ctrl;
uint8_t timer_ctrl;
uint8_t timer_counter, ripple_counter;
uint8_t onesec;
uint8_t treq, byteack, tip, via_data, via_clock, last_adb;
uint64_t 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_t pram[0x100], disk_pram[0x100];
bool pram_loaded;
void send_port(address_space &space, uint8_t offset, uint8_t data);
};
// device type definition
DECLARE_DEVICE_TYPE(CUDA, cuda_device)
#endif