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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
Videa Gridlee hardware
driver by Aaron Giles
***************************************************************************/
#ifndef MAME_INCLUDES_GRIDLEE_H
#define MAME_INCLUDES_GRIDLEE_H
#pragma once
#include "sound/samples.h"
#include "machine/74259.h"
#include "emupal.h"
#include "screen.h"
#define GRIDLEE_MASTER_CLOCK (20000000)
#define GRIDLEE_CPU_CLOCK (GRIDLEE_MASTER_CLOCK / 16)
#define GRIDLEE_PIXEL_CLOCK (GRIDLEE_MASTER_CLOCK / 4)
#define GRIDLEE_HTOTAL (0x140)
#define GRIDLEE_HBEND (0x000)
#define GRIDLEE_HBSTART (0x100)
#define GRIDLEE_VTOTAL (0x108)
#define GRIDLEE_VBEND (0x010)
#define GRIDLEE_VBSTART (0x100)
class gridlee_state : public driver_device
{
public:
gridlee_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_videoram(*this, "videoram"),
m_maincpu(*this, "maincpu"),
m_latch(*this, "latch"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_samples(*this, "samples")
{ }
void gridlee(machine_config &config);
private:
uint8_t analog_port_r(offs_t offset);
uint8_t random_num_r();
DECLARE_WRITE_LINE_MEMBER(coin_counter_w);
DECLARE_WRITE_LINE_MEMBER(cocktail_flip_w);
void gridlee_videoram_w(offs_t offset, uint8_t data);
void gridlee_palette_select_w(uint8_t data);
void gridlee_palette(palette_device &palette) const;
uint32_t screen_update_gridlee(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(irq_off_tick);
TIMER_CALLBACK_MEMBER(irq_timer_tick);
TIMER_CALLBACK_MEMBER(firq_off_tick);
TIMER_CALLBACK_MEMBER(firq_timer_tick);
void expand_pixels();
void poly17_init();
void cpu1_map(address_map &map);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_videoram;
required_device<cpu_device> m_maincpu;
required_device<ls259_device> m_latch;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<samples_device> m_samples;
uint8_t m_last_analog_input[2];
uint8_t m_last_analog_output[2];
std::unique_ptr<uint8_t[]> m_poly17;
uint8_t *m_rand17;
emu_timer *m_irq_off;
emu_timer *m_irq_timer;
emu_timer *m_firq_off;
emu_timer *m_firq_timer;
uint8_t m_cocktail_flip;
std::unique_ptr<uint8_t[]> m_local_videoram;
uint8_t m_palettebank_vis;
};
/*----------- defined in audio/gridlee.cpp -----------*/
class gridlee_sound_device : public device_t, public device_sound_interface
{
public:
gridlee_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
~gridlee_sound_device() { }
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples) override;
public:
void gridlee_sound_w(offs_t offset, uint8_t data);
private:
/* tone variables */
uint32_t m_tone_step;
uint32_t m_tone_fraction;
uint8_t m_tone_volume;
/* sound streaming variables */
sound_stream *m_stream;
required_device<samples_device> m_samples;
double m_freq_to_step;
uint8_t m_sound_data[24];
};
DECLARE_DEVICE_TYPE(GRIDLEE, gridlee_sound_device)
#endif // MAME_INCLUDES_GRIDLEE_H
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