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// license:BSD-3-Clause
// copyright-holders:Carl
#ifndef MAME_BUS_ISA_SB16_H
#define MAME_BUS_ISA_SB16_H
#include "isa.h"
#include "bus/pc_joy/pc_joy.h"
#include "cpu/mcs51/mcs51.h"
#include "sound/262intf.h"
#include "sound/dac.h"
//*********************************************************************
// TYPE DEFINITIONS
//*********************************************************************
// ====================> sb16_device
class sb16_lle_device : public device_t, public device_isa16_card_interface
{
public:
// construction/destruction
sb16_lle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
uint8_t dack_r(int line) override;
void dack_w(int line, uint8_t data) override;
uint16_t dack16_r(int line) override;
void dack16_w(int line, uint16_t data) override;
private:
READ8_MEMBER( mpu401_r );
WRITE8_MEMBER( mpu401_w );
// mcu ports
DECLARE_READ8_MEMBER( dsp_data_r );
DECLARE_WRITE8_MEMBER( dsp_data_w );
DECLARE_READ8_MEMBER( p1_r );
DECLARE_WRITE8_MEMBER( p1_w );
DECLARE_READ8_MEMBER( p2_r );
DECLARE_WRITE8_MEMBER( p2_w );
DECLARE_WRITE8_MEMBER( rate_w );
DECLARE_READ8_MEMBER( dma8_r );
DECLARE_WRITE8_MEMBER( dma8_w );
DECLARE_READ8_MEMBER( ctrl8_r );
DECLARE_WRITE8_MEMBER( ctrl8_w );
DECLARE_READ8_MEMBER( ctrl16_r );
DECLARE_WRITE8_MEMBER( ctrl16_w );
DECLARE_READ8_MEMBER( dac_ctrl_r );
DECLARE_WRITE8_MEMBER( dac_ctrl_w );
DECLARE_READ8_MEMBER( dac_fifo_ctrl_r );
DECLARE_WRITE8_MEMBER( dac_fifo_ctrl_w );
DECLARE_READ8_MEMBER( adc_fifo_ctrl_r );
DECLARE_WRITE8_MEMBER( adc_fifo_ctrl_w );
DECLARE_READ8_MEMBER( dma_stat_r );
DECLARE_WRITE8_MEMBER( dac_data_w );
DECLARE_READ8_MEMBER( adc_data_r );
DECLARE_READ8_MEMBER( dma8_ready_r );
DECLARE_READ8_MEMBER( adc_data_ready_r );
DECLARE_READ8_MEMBER( dma8_cnt_lo_r );
DECLARE_READ8_MEMBER( dma8_cnt_hi_r );
DECLARE_WRITE8_MEMBER( dma8_len_lo_w );
DECLARE_WRITE8_MEMBER( dma8_len_hi_w );
DECLARE_WRITE8_MEMBER( dma16_len_lo_w );
DECLARE_WRITE8_MEMBER( dma16_len_hi_w );
DECLARE_READ8_MEMBER( mode_r );
DECLARE_WRITE8_MEMBER( mode_w );
// host ports
DECLARE_READ8_MEMBER( host_data_r );
DECLARE_WRITE8_MEMBER( host_cmd_w );
DECLARE_WRITE8_MEMBER( dsp_reset_w );
DECLARE_READ8_MEMBER( dsp_wbuf_status_r );
DECLARE_READ8_MEMBER( dsp_rbuf_status_r );
DECLARE_READ8_MEMBER( invalid_r );
DECLARE_WRITE8_MEMBER( invalid_w );
void sb16_io(address_map &map);
void control_timer(bool start);
required_device<dac_word_interface> m_ldac;
required_device<dac_word_interface> m_rdac;
required_device<pc_joy_device> m_joy;
required_device<i80c52_device> m_cpu;
// internal state
bool m_data_in;
uint8_t m_in_byte;
bool m_data_out;
uint8_t m_out_byte;
uint8_t m_freq, m_mode, m_dac_fifo_ctrl, m_adc_fifo_ctrl, m_ctrl8, m_ctrl16, m_mpu_byte;
uint16_t m_dma8_len, m_dma16_len, m_dma8_cnt, m_dma16_cnt;
typedef union {
uint32_t w;
uint16_t h[2];
uint8_t b[4];
} samples;
samples m_adc_fifo[16], m_dac_fifo[16];
int m_adc_fifo_head, m_adc_fifo_tail, m_dac_fifo_head, m_dac_fifo_tail;
bool m_adc_r, m_dac_r, m_adc_h, m_dac_h, m_irq8, m_irq16, m_irq_midi;
bool m_dma8_done, m_dma16_done;
emu_timer *m_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(ISA16_SB16, sb16_lle_device)
#endif // MAME_BUS_ISA_SB16_H
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