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// license:GPL-2.0+
// copyright-holders:Raphael Nabet
/*
990_tap.h: include file for 990_tap.c
*/
#ifndef MAME_BUS_TI99X_990_TAP_H
#define MAME_BUS_TI99X_990_TAP_H
#pragma once
DECLARE_DEVICE_TYPE(TI990_TAPE_CTRL, tap_990_device)
class tap_990_device : public device_t
{
public:
tap_990_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <class Object> devcb_base &set_int_callback(Object &&cb) { return m_int_line.set_callback(std::forward<Object>(cb)); }
DECLARE_READ16_MEMBER( read );
DECLARE_WRITE16_MEMBER( write );
void set_tape(int id, device_image_interface *img, bool bot, bool eot, bool wp)
{
m_tape[id].img = img;
m_tape[id].bot = bot;
m_tape[id].eot = eot;
m_tape[id].wp = wp;
}
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
static constexpr unsigned MAX_TAPE_UNIT = 4;
struct tape_unit_t
{
device_image_interface *img; // image descriptor
bool bot; // true if we are at the beginning of tape
bool eot; // true if we are at the end of tape
bool wp; // true if tape is write-protected
};
int cur_tape_unit();
void update_interrupt();
void cmd_read_binary_forward();
void cmd_record_skip_forward();
void cmd_record_skip_reverse();
void cmd_rewind();
void cmd_rewind_and_offline();
void read_transport_status();
void execute_command();
devcb_write_line m_int_line;
uint16_t m_w[8];
tape_unit_t m_tape[MAX_TAPE_UNIT];
};
#define MCFG_TI990_TAPE_INT_HANDLER( _intcallb ) \
downcast<tap_990_device &>(*device).set_int_callback(DEVCB_##_intcallb);
#endif // MAME_BUS_TI99X_990_TAP_H
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