// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once
#ifndef __TRS80M2__
#define __TRS80M2__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "cpu/mcs48/mcs48.h"
#include "cpu/m68000/m68000.h"
#include "bus/centronics/ctronics.h"
#include "machine/keyboard.h"
#include "machine/pic8259.h"
#include "machine/ram.h"
#include "machine/trs80m2kb.h"
#include "machine/wd_fdc.h"
#include "machine/z80ctc.h"
#include "machine/z80dma.h"
#include "machine/z80pio.h"
#include "machine/z80dart.h"
#include "video/mc6845.h"
#define SCREEN_TAG "screen"
#define Z80_TAG "u12"
#define Z80CTC_TAG "u19"
#define Z80DMA_TAG "u20"
#define Z80PIO_TAG "u22"
#define Z80SIO_TAG "u18"
#define FD1791_TAG "u6"
#define MC6845_TAG "u11"
#define CENTRONICS_TAG "j2"
#define M68000_TAG "m16_u22"
#define AM9519A_TAG "m16_u11"
class trs80m2_state : public driver_device
{
public:
trs80m2_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_ctc(*this, Z80CTC_TAG),
m_dmac(*this, Z80DMA_TAG),
m_pio(*this, Z80PIO_TAG),
m_crtc(*this, MC6845_TAG),
m_palette(*this, "palette"),
m_fdc(*this, FD1791_TAG),
m_centronics(*this, CENTRONICS_TAG),
m_floppy0(*this, FD1791_TAG":0"),
m_floppy1(*this, FD1791_TAG":1"),
m_floppy2(*this, FD1791_TAG":2"),
m_floppy3(*this, FD1791_TAG":3"),
m_floppy(nullptr),
m_ram(*this, RAM_TAG),
m_kb(*this, TRS80M2_KEYBOARD_TAG),
m_rom(*this, Z80_TAG),
m_char_rom(*this, MC6845_TAG),
m_video_ram(*this, "video_ram")
{
}
required_device<cpu_device> m_maincpu;
required_device<z80ctc_device> m_ctc;
required_device<z80dma_device> m_dmac;
required_device<z80pio_device> m_pio;
required_device<mc6845_device> m_crtc;
required_device<palette_device> m_palette;
required_device<fd1791_t> m_fdc;
required_device<centronics_device> m_centronics;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<floppy_connector> m_floppy2;
required_device<floppy_connector> m_floppy3;
floppy_image_device *m_floppy;
required_device<ram_device> m_ram;
required_device<trs80m2_keyboard_device> m_kb;
required_memory_region m_rom;
required_memory_region m_char_rom;
optional_shared_ptr<UINT8> m_video_ram;
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE8_MEMBER( drvslt_w );
DECLARE_WRITE8_MEMBER( rom_enable_w );
DECLARE_READ8_MEMBER( keyboard_r );
DECLARE_READ8_MEMBER( rtc_r );
DECLARE_READ8_MEMBER( nmi_r );
DECLARE_WRITE8_MEMBER( nmi_w );
DECLARE_READ8_MEMBER( fdc_r );
DECLARE_WRITE8_MEMBER( fdc_w );
DECLARE_WRITE_LINE_MEMBER( de_w );
DECLARE_WRITE_LINE_MEMBER( vsync_w );
DECLARE_READ8_MEMBER( pio_pa_r );
DECLARE_WRITE8_MEMBER( pio_pa_w );
DECLARE_WRITE_LINE_MEMBER( strobe_w );
DECLARE_WRITE_LINE_MEMBER( kb_clock_w );
DECLARE_WRITE8_MEMBER( kbd_w );
MC6845_UPDATE_ROW( crtc_update_row );
// memory state
int m_boot_rom;
int m_bank;
int m_msel;
// keyboard state
UINT8 m_key_latch;
UINT8 m_key_data;
int m_key_bit;
int m_kbclk;
int m_kbdata;
int m_kbirq;
// video state
int m_blnkvid;
int m_80_40_char_en;
int m_de;
int m_rtc_int;
int m_enable_rtc_int;
TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
DECLARE_READ8_MEMBER(io_read_byte);
DECLARE_WRITE8_MEMBER(io_write_byte);
int m_centronics_busy;
int m_centronics_fault;
int m_centronics_perror;
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
};
class trs80m16_state : public trs80m2_state
{
public:
trs80m16_state(const machine_config &mconfig, device_type type, const char *tag)
: trs80m2_state(mconfig, type, tag),
m_subcpu(*this, M68000_TAG),
m_pic(*this, AM9519A_TAG)
{ }
required_device<cpu_device> m_subcpu;
required_device<pic8259_device> m_pic;
virtual void machine_start() override;
DECLARE_WRITE8_MEMBER( ual_w );
DECLARE_WRITE8_MEMBER( tcl_w );
UINT16 m_ual;
UINT8 m_limit[2];
UINT8 m_offset[2];
};
#endif