// license:GPL-2.0+
// copyright-holders:Lee Hammerton, Dirk Best
/*****************************************************************************
*
* includes/coupe.h
*
* SAM Coupe
*
* Driver by Lee Hammerton
*
****************************************************************************/
#ifndef SAMCOUPE_H_
#define SAMCOUPE_H_
#include "machine/wd_fdc.h"
#include "sound/speaker.h"
#include "imagedev/cassette.h"
#include "bus/centronics/ctronics.h"
#include "machine/ram.h"
#include "machine/msm6242.h"
/* screen dimensions */
#define SAM_BLOCK 8
#define SAM_TOTAL_WIDTH SAM_BLOCK*96
#define SAM_TOTAL_HEIGHT 312
#define SAM_SCREEN_WIDTH SAM_BLOCK*64
#define SAM_SCREEN_HEIGHT 192
#define SAM_BORDER_LEFT SAM_BLOCK*4
#define SAM_BORDER_RIGHT SAM_BLOCK*4
#define SAM_BORDER_TOP 37
#define SAM_BORDER_BOTTOM 46
/* interrupt sources */
#define SAM_LINE_INT 0x01
#define SAM_MOUSE_INT 0x02
#define SAM_MIDIIN_INT 0x04
#define SAM_FRAME_INT 0x08
#define SAM_MIDIOUT_INT 0x10
class samcoupe_state : public driver_device
{
public:
enum
{
TIMER_IRQ_OFF,
TIMER_MOUSE_RESET,
TIMER_VIDEO_UPDATE
};
samcoupe_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_speaker(*this, "speaker"),
m_cassette(*this, "cassette"),
m_lpt1(*this, "lpt1"),
m_lpt2(*this, "lpt2"),
m_ram(*this, RAM_TAG),
m_rtc(*this, "sambus_clock"),
m_fdc(*this, "wd1772"),
m_wd1772_0(*this, "wd1772:0"),
m_wd1772_1(*this, "wd1772:1"),
m_region_maincpu(*this, "maincpu"),
m_keyboard_row_fe(*this, "keyboard_row_fe"),
m_keyboard_row_fd(*this, "keyboard_row_fd"),
m_keyboard_row_fb(*this, "keyboard_row_fb"),
m_keyboard_row_f7(*this, "keyboard_row_f7"),
m_keyboard_row_ef(*this, "keyboard_row_ef"),
m_keyboard_row_df(*this, "keyboard_row_df"),
m_keyboard_row_bf(*this, "keyboard_row_bf"),
m_keyboard_row_7f(*this, "keyboard_row_7f"),
m_keyboard_row_ff(*this, "keyboard_row_ff"),
m_mouse_buttons(*this, "mouse_buttons"),
m_io_mouse_x(*this, "mouse_x"),
m_io_mouse_y(*this, "mouse_y"),
m_config(*this, "config")
{
sam_bank_read_ptr[0] = nullptr;
sam_bank_write_ptr[0] = nullptr;
sam_bank_read_ptr[1] = nullptr;
sam_bank_write_ptr[1] = nullptr;
sam_bank_read_ptr[2] = nullptr;
sam_bank_write_ptr[2] = nullptr;
sam_bank_read_ptr[3] = nullptr;
sam_bank_write_ptr[3] = nullptr;
}
virtual void video_start() override;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
bitmap_ind16 m_bitmap;
emu_timer *m_video_update_timer;
UINT8 m_lmpr, m_hmpr, m_vmpr; /* memory pages */
UINT8 m_lext, m_hext; /* extended memory page */
UINT8 m_border; /* border */
UINT8 m_clut[16]; /* color lookup table, 16 entries */
UINT8 m_line_int; /* line interrupt */
UINT8 m_status; /* status register */
/* attribute */
UINT8 m_attribute;
/* mouse */
int m_mouse_index;
emu_timer *m_mouse_reset;
UINT8 m_mouse_data[9];
int m_mouse_x, m_mouse_y;
UINT8 *m_videoram;
DECLARE_WRITE8_MEMBER(samcoupe_ext_mem_w);
DECLARE_READ8_MEMBER(samcoupe_disk_r);
DECLARE_WRITE8_MEMBER(samcoupe_disk_w);
DECLARE_READ8_MEMBER(samcoupe_pen_r);
DECLARE_WRITE8_MEMBER(samcoupe_clut_w);
DECLARE_READ8_MEMBER(samcoupe_status_r);
DECLARE_WRITE8_MEMBER(samcoupe_line_int_w);
DECLARE_READ8_MEMBER(samcoupe_lmpr_r);
DECLARE_WRITE8_MEMBER(samcoupe_lmpr_w);
DECLARE_READ8_MEMBER(samcoupe_hmpr_r);
DECLARE_WRITE8_MEMBER(samcoupe_hmpr_w);
DECLARE_READ8_MEMBER(samcoupe_vmpr_r);
DECLARE_WRITE8_MEMBER(samcoupe_vmpr_w);
DECLARE_READ8_MEMBER(samcoupe_midi_r);
DECLARE_WRITE8_MEMBER(samcoupe_midi_w);
DECLARE_READ8_MEMBER(samcoupe_keyboard_r);
DECLARE_WRITE8_MEMBER(samcoupe_border_w);
DECLARE_READ8_MEMBER(samcoupe_attributes_r);
virtual void machine_start() override;
virtual void machine_reset() override;
DECLARE_PALETTE_INIT(samcoupe);
INTERRUPT_GEN_MEMBER(samcoupe_frame_interrupt);
TIMER_CALLBACK_MEMBER(irq_off);
TIMER_CALLBACK_MEMBER(samcoupe_mouse_reset);
TIMER_CALLBACK_MEMBER(sam_video_update_callback);
DECLARE_READ8_MEMBER(samcoupe_lpt1_busy_r);
DECLARE_WRITE8_MEMBER(samcoupe_lpt1_strobe_w);
DECLARE_READ8_MEMBER(samcoupe_lpt2_busy_r);
DECLARE_WRITE8_MEMBER(samcoupe_lpt2_strobe_w);
DECLARE_READ8_MEMBER(samcoupe_rtc_r);
DECLARE_WRITE8_MEMBER(samcoupe_rtc_w);
DECLARE_READ8_MEMBER(sam_bank1_r);
DECLARE_WRITE8_MEMBER(sam_bank1_w);
DECLARE_READ8_MEMBER(sam_bank2_r);
DECLARE_WRITE8_MEMBER(sam_bank2_w);
DECLARE_READ8_MEMBER(sam_bank3_r);
DECLARE_WRITE8_MEMBER(sam_bank3_w);
DECLARE_READ8_MEMBER(sam_bank4_r);
DECLARE_WRITE8_MEMBER(sam_bank4_w);
UINT8* sam_bank_read_ptr[4];
UINT8* sam_bank_write_ptr[4];
DECLARE_FLOPPY_FORMATS( floppy_formats );
required_device<cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_device<cassette_image_device> m_cassette;
required_device<centronics_device> m_lpt1;
required_device<centronics_device> m_lpt2;
required_device<ram_device> m_ram;
required_device<msm6242_device> m_rtc;
required_device<wd1772_t> m_fdc;
required_device<floppy_connector> m_wd1772_0;
required_device<floppy_connector> m_wd1772_1;
required_memory_region m_region_maincpu;
required_ioport m_keyboard_row_fe;
required_ioport m_keyboard_row_fd;
required_ioport m_keyboard_row_fb;
required_ioport m_keyboard_row_f7;
required_ioport m_keyboard_row_ef;
required_ioport m_keyboard_row_df;
required_ioport m_keyboard_row_bf;
required_ioport m_keyboard_row_7f;
required_ioport m_keyboard_row_ff;
required_ioport m_mouse_buttons;
required_ioport m_io_mouse_x;
required_ioport m_io_mouse_y;
required_ioport m_config;
void draw_mode4_line(int y, int hpos);
void draw_mode3_line(int y, int hpos);
void draw_mode12_block(bitmap_ind16 &bitmap, int vpos, int hpos, UINT8 mask);
void draw_mode2_line(int y, int hpos);
void draw_mode1_line(int y, int hpos);
void samcoupe_update_bank(address_space &space, int bank_num, UINT8 *memory, int is_readonly);
void samcoupe_install_ext_mem(address_space &space);
void samcoupe_update_memory(address_space &space);
UINT8 samcoupe_mouse_r();
void samcoupe_irq(UINT8 src);
DECLARE_WRITE_LINE_MEMBER(write_lpt1_busy);
DECLARE_WRITE_LINE_MEMBER(write_lpt2_busy);
int m_lpt1_busy;
int m_lpt2_busy;
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};
#endif /* SAMCOUPE_H_ */