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-rw-r--r--src/mess/includes/thomson.h713
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diff --git a/src/mess/includes/thomson.h b/src/mess/includes/thomson.h
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-// license:BSD-3-Clause
-// copyright-holders:Antoine Mine
-/**********************************************************************
-
- Copyright (C) Antoine Mine' 2006
-
- Thomson 8-bit computers
-
-**********************************************************************/
-
-#ifndef _THOMSON_H_
-#define _THOMSON_H_
-
-#include "emu.h"
-#include "bus/rs232/rs232.h"
-#include "cpu/m6809/m6809.h"
-#include "machine/6821pia.h"
-#include "machine/mc6846.h"
-#include "machine/6850acia.h"
-#include "machine/mos6551.h"
-#include "sound/dac.h"
-#include "audio/mea8000.h"
-#include "bus/centronics/ctronics.h"
-#include "imagedev/cassette.h"
-#include "machine/mc6843.h"
-#include "machine/mc6846.h"
-#include "machine/mc6854.h"
-#include "formats/thom_cas.h"
-#include "formats/thom_dsk.h"
-#include "machine/thomflop.h"
-#include "imagedev/floppy.h"
-#include "machine/ram.h"
-
-#include "bus/generic/slot.h"
-#include "bus/generic/carts.h"
-
-
-/* 6821 PIAs */
-#define THOM_PIA_SYS "pia_0" /* system PIA */
-#define THOM_PIA_GAME "pia_1" /* music & game PIA (joypad + sound) */
-#define THOM_PIA_IO "pia_2" /* CC 90-232 I/O extension (parallel & RS-232) */
-#define THOM_PIA_MODEM "pia_3" /* MD 90-120 MODEM extension */
-
-/* sound ports */
-#define THOM_SOUND_BUZ 0 /* 1-bit buzzer */
-#define THOM_SOUND_GAME 1 /* 6-bit game port DAC */
-#define THOM_SOUND_SPEECH 2 /* speech synthesis */
-
-/* bank-switching */
-#define THOM_CART_BANK "bank2" /* cartridge ROM */
-#define THOM_RAM_BANK "bank3" /* data RAM */
-#define THOM_FLOP_BANK "bank4" /* external floppy controller ROM */
-#define THOM_BASE_BANK "bank5" /* system RAM */
-
-/* bank-switching */
-#define TO8_SYS_LO "bank5" /* system RAM low 2 Kb */
-#define TO8_SYS_HI "bank6" /* system RAM hi 2 Kb */
-#define TO8_DATA_LO "bank7" /* data RAM low 2 Kb */
-#define TO8_DATA_HI "bank8" /* data RAM hi 2 Kb */
-#define TO8_BIOS_BANK "bank9" /* BIOS ROM */
-#define MO6_CART_LO "bank10"
-#define MO6_CART_HI "bank11"
-
-
-/* original screen dimension (may be different from emulated screen!) */
-#define THOM_ACTIVE_WIDTH 320
-#define THOM_BORDER_WIDTH 56
-#define THOM_ACTIVE_HEIGHT 200
-#define THOM_BORDER_HEIGHT 47
-#define THOM_TOTAL_WIDTH 432
-#define THOM_TOTAL_HEIGHT 294
-
-/* Emulated screen dimension may be doubled to allow hi-res 640x200 mode.
- Emulated screen can have smaller borders.
- */
-
-/* maximum number of video pages:
- 1 for TO7 generation (including MO5)
- 4 for TO8 generation (including TO9, MO6)
- */
-#define THOM_NB_PAGES 4
-
-/* page 0 is banked */
-#define THOM_VRAM_BANK "bank1"
-
-
-struct thom_vsignal {
- unsigned count; /* pixel counter */
- unsigned init; /* 1 -> active vertical windos, 0 -> border/VBLANK */
- unsigned inil; /* 1 -> active horizontal window, 0 -> border/HBLANK */
- unsigned lt3; /* bit 3 of us counter */
- unsigned line; /* line counter */
-};
-
-
-class thomson_state : public driver_device
-{
-public:
- thomson_state(const machine_config &mconfig, device_type type, const char *tag) :
- driver_device(mconfig, type, tag),
- m_mc6854(*this, "mc6854"),
- m_maincpu(*this, "maincpu"),
- m_cassette(*this, "cassette"),
- m_buzzer(*this, "buzzer"),
- m_dac(*this, "dac"),
- m_centronics(*this, "centronics"),
- m_cent_data_out(*this, "cent_data_out"),
- m_pia_sys(*this, THOM_PIA_SYS),
- m_pia_game(*this, THOM_PIA_GAME),
- m_acia(*this, "acia6850"),
- m_mea8000(*this, "mea8000"),
- m_ram(*this, RAM_TAG),
- m_mc6846(*this, "mc6846"),
- m_mc6843(*this, "mc6843"),
- m_acia6850(*this, "acia6850"),
- m_screen(*this, "screen"),
- m_io_game_port_directions(*this, "game_port_directions"),
- m_io_game_port_buttons(*this, "game_port_buttons"),
- m_io_mouse_x(*this, "mouse_x"),
- m_io_mouse_y(*this, "mouse_y"),
- m_io_mouse_button(*this, "mouse_button"),
- m_io_lightpen_x(*this, "lightpen_x"),
- m_io_lightpen_y(*this, "lightpen_y"),
- m_io_lightpen_button(*this, "lightpen_button"),
- m_io_config(*this, "config"),
- m_io_vconfig(*this, "vconfig"),
- m_io_mconfig(*this, "mconfig"),
- m_io_fconfig(*this, "fconfig"),
- m_io_keyboard(*this, "keyboard"),
- m_vrambank(*this, THOM_VRAM_BANK),
- m_cartbank(*this, THOM_CART_BANK),
- m_rambank(*this, THOM_RAM_BANK),
- m_flopbank(*this, THOM_FLOP_BANK),
- m_basebank(*this, THOM_BASE_BANK),
- m_syslobank(*this, TO8_SYS_LO),
- m_syshibank(*this, TO8_SYS_HI),
- m_datalobank(*this, TO8_DATA_LO),
- m_datahibank(*this, TO8_DATA_HI),
- m_biosbank(*this, TO8_BIOS_BANK),
- m_cartlobank(*this, MO6_CART_LO),
- m_carthibank(*this, MO6_CART_HI)
- {
- }
-
- DECLARE_FLOPPY_FORMATS(cd90_640_formats);
-
- DECLARE_DEVICE_IMAGE_LOAD_MEMBER( to7_cartridge );
- DECLARE_DEVICE_IMAGE_LOAD_MEMBER( mo5_cartridge );
-
- DECLARE_WRITE_LINE_MEMBER( to7_set_cassette_motor );
- DECLARE_WRITE_LINE_MEMBER( mo5_set_cassette_motor );
- DECLARE_WRITE_LINE_MEMBER( thom_dev_irq_0 );
- DECLARE_WRITE_LINE_MEMBER( thom_irq_1 );
- DECLARE_WRITE_LINE_MEMBER( thom_firq_1 );
- DECLARE_WRITE8_MEMBER( to7_cartridge_w );
- DECLARE_READ8_MEMBER( to7_cartridge_r );
- DECLARE_WRITE8_MEMBER( to7_timer_port_out );
- DECLARE_WRITE8_MEMBER( to7_timer_cp2_out );
- DECLARE_READ8_MEMBER( to7_timer_port_in );
- DECLARE_WRITE8_MEMBER( to7_timer_tco_out );
- DECLARE_WRITE_LINE_MEMBER( to7_sys_cb2_out );
- DECLARE_WRITE8_MEMBER( to7_sys_portb_out );
- DECLARE_READ8_MEMBER( to7_sys_porta_in );
- DECLARE_READ8_MEMBER( to7_sys_portb_in );
- DECLARE_WRITE_LINE_MEMBER( to7_modem_cb );
- DECLARE_WRITE_LINE_MEMBER( to7_modem_tx_w );
- DECLARE_WRITE_LINE_MEMBER( write_acia_clock );
- DECLARE_READ8_MEMBER( to7_modem_mea8000_r );
- DECLARE_WRITE8_MEMBER( to7_modem_mea8000_w );
- DECLARE_READ8_MEMBER( to7_game_porta_in );
- DECLARE_READ8_MEMBER( to7_game_portb_in );
- DECLARE_WRITE8_MEMBER( to7_game_portb_out );
- DECLARE_WRITE_LINE_MEMBER( to7_game_cb2_out );
- TIMER_CALLBACK_MEMBER( to7_game_update_cb );
- DECLARE_READ8_MEMBER( to7_midi_r );
- DECLARE_WRITE8_MEMBER( to7_midi_w );
- DECLARE_MACHINE_RESET( to7 );
- DECLARE_MACHINE_START( to7 );
- DECLARE_WRITE_LINE_MEMBER( to770_sys_cb2_out );
- DECLARE_READ8_MEMBER( to770_sys_porta_in );
- void to7_update_cart_bank_postload();
- void to770_update_ram_bank_postload();
- DECLARE_WRITE8_MEMBER( to770_sys_portb_out );
- DECLARE_WRITE8_MEMBER( to770_timer_port_out );
- DECLARE_READ8_MEMBER( to770_gatearray_r );
- DECLARE_WRITE8_MEMBER( to770_gatearray_w );
- DECLARE_MACHINE_RESET( to770 );
- DECLARE_MACHINE_START( to770 );
- void to7_lightpen_cb( int step );
- void mo5_lightpen_cb( int step );
- TIMER_CALLBACK_MEMBER( mo5_periodic_cb );
- DECLARE_WRITE8_MEMBER( mo5_sys_porta_out );
- DECLARE_READ8_MEMBER( mo5_sys_porta_in );
- DECLARE_WRITE8_MEMBER( mo5_sys_portb_out );
- DECLARE_READ8_MEMBER( mo5_sys_portb_in );
- DECLARE_READ8_MEMBER( mo5_gatearray_r );
- DECLARE_WRITE8_MEMBER( mo5_gatearray_w );
- void mo5_update_cart_bank_postload();
- DECLARE_WRITE8_MEMBER( mo5_cartridge_w );
- DECLARE_READ8_MEMBER( mo5_cartridge_r );
- DECLARE_WRITE8_MEMBER( mo5_ext_w );
- DECLARE_MACHINE_RESET( mo5 );
- DECLARE_MACHINE_START( mo5 );
- DECLARE_WRITE8_MEMBER( to9_ieee_w );
- DECLARE_READ8_MEMBER( to9_ieee_r );
- DECLARE_READ8_MEMBER( to9_gatearray_r );
- DECLARE_WRITE8_MEMBER( to9_gatearray_w );
- DECLARE_READ8_MEMBER( to9_vreg_r );
- DECLARE_WRITE8_MEMBER( to9_vreg_w );
- void to9_update_cart_bank_postload();
- DECLARE_WRITE8_MEMBER( to9_cartridge_w );
- DECLARE_READ8_MEMBER( to9_cartridge_r );
- void to9_update_ram_bank_postload();
- DECLARE_READ8_MEMBER( to9_kbd_r );
- DECLARE_WRITE8_MEMBER( to9_kbd_w );
- TIMER_CALLBACK_MEMBER( to9_kbd_timer_cb );
- DECLARE_READ8_MEMBER( to9_sys_porta_in );
- DECLARE_WRITE8_MEMBER( to9_sys_porta_out );
- DECLARE_WRITE8_MEMBER( to9_sys_portb_out );
- DECLARE_WRITE8_MEMBER( to9_timer_port_out );
- DECLARE_MACHINE_RESET( to9 );
- DECLARE_MACHINE_START( to9 );
- TIMER_CALLBACK_MEMBER( to8_kbd_timer_cb );
- void to8_update_floppy_bank_postload();
- void to8_update_ram_bank_postload();
- void to8_update_cart_bank_postload();
- DECLARE_WRITE8_MEMBER( to8_cartridge_w );
- DECLARE_READ8_MEMBER( to8_cartridge_r );
- DECLARE_READ8_MEMBER( to8_floppy_r );
- DECLARE_WRITE8_MEMBER( to8_floppy_w );
- DECLARE_READ8_MEMBER( to8_gatearray_r );
- DECLARE_WRITE8_MEMBER( to8_gatearray_w );
- DECLARE_READ8_MEMBER( to8_vreg_r );
- DECLARE_WRITE8_MEMBER( to8_vreg_w );
- DECLARE_READ8_MEMBER( to8_sys_porta_in );
- DECLARE_WRITE8_MEMBER( to8_sys_portb_out );
- DECLARE_READ8_MEMBER( to8_timer_port_in );
- DECLARE_WRITE8_MEMBER( to8_timer_port_out );
- DECLARE_WRITE8_MEMBER( to8_timer_cp2_out );
- void to8_lightpen_cb( int step );
- DECLARE_MACHINE_RESET( to8 );
- DECLARE_MACHINE_START( to8 );
- DECLARE_READ8_MEMBER( to9p_timer_port_in );
- DECLARE_WRITE8_MEMBER( to9p_timer_port_out );
- DECLARE_MACHINE_RESET( to9p );
- DECLARE_MACHINE_START( to9p );
- void mo6_update_ram_bank_postload();
- void mo6_update_cart_bank_postload();
- DECLARE_WRITE8_MEMBER( mo6_cartridge_w );
- DECLARE_READ8_MEMBER( mo6_cartridge_r );
- DECLARE_WRITE8_MEMBER( mo6_ext_w );
- DECLARE_WRITE_LINE_MEMBER( mo6_centronics_busy );
- DECLARE_WRITE8_MEMBER( mo6_game_porta_out );
- DECLARE_WRITE_LINE_MEMBER( mo6_game_cb2_out );
- TIMER_CALLBACK_MEMBER( mo6_game_update_cb );
- DECLARE_READ8_MEMBER( mo6_sys_porta_in );
- DECLARE_READ8_MEMBER( mo6_sys_portb_in );
- DECLARE_WRITE8_MEMBER( mo6_sys_porta_out );
- DECLARE_WRITE8_MEMBER( mo6_sys_portb_out );
- DECLARE_WRITE_LINE_MEMBER( mo6_sys_cb2_out );
- DECLARE_READ8_MEMBER( mo6_gatearray_r );
- DECLARE_WRITE8_MEMBER( mo6_gatearray_w );
- DECLARE_READ8_MEMBER( mo6_vreg_r );
- DECLARE_WRITE8_MEMBER( mo6_vreg_w );
- DECLARE_MACHINE_RESET( mo6 );
- DECLARE_MACHINE_START( mo6 );
- DECLARE_READ8_MEMBER( mo5nr_net_r );
- DECLARE_WRITE8_MEMBER( mo5nr_net_w );
- DECLARE_READ8_MEMBER( mo5nr_prn_r );
- DECLARE_WRITE8_MEMBER( mo5nr_prn_w );
- DECLARE_READ8_MEMBER( mo5nr_sys_portb_in );
- DECLARE_WRITE8_MEMBER( mo5nr_sys_porta_out );
- DECLARE_MACHINE_RESET( mo5nr );
- DECLARE_MACHINE_START( mo5nr );
-
- TIMER_CALLBACK_MEMBER( thom_lightpen_step );
- TIMER_CALLBACK_MEMBER( thom_scanline_start );
- UINT32 screen_update_thom(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- DECLARE_WRITE8_MEMBER( to7_vram_w );
- DECLARE_WRITE8_MEMBER( to770_vram_w );
- DECLARE_WRITE8_MEMBER( to8_sys_lo_w );
- DECLARE_WRITE8_MEMBER( to8_sys_hi_w );
- DECLARE_WRITE8_MEMBER( to8_data_lo_w );
- DECLARE_WRITE8_MEMBER( to8_data_hi_w );
- DECLARE_WRITE8_MEMBER( to8_vcart_w );
- DECLARE_WRITE8_MEMBER( mo6_vcart_lo_w );
- DECLARE_WRITE8_MEMBER( mo6_vcart_hi_w );
- TIMER_CALLBACK_MEMBER( thom_set_init );
- void to770_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mo5_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mo5alt_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void to9_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4alt_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4althalf_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap16_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mode80_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mode80_to9_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void page1_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void page2_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlay_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlayhalf_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlay3_scandraw_16( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void to770_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mo5_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mo5alt_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void to9_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4alt_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap4althalf_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void bitmap16_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mode80_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void mode80_to9_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void page1_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void page2_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlay_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlayhalf_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void overlay3_scandraw_8( UINT8* vram, UINT16* dst, UINT16* pal, int org, int len );
- void thom_vblank( screen_device &screen, bool state );
- DECLARE_VIDEO_START( thom );
-
- DECLARE_READ8_MEMBER( to7_5p14_r );
- DECLARE_WRITE8_MEMBER( to7_5p14_w );
- DECLARE_READ8_MEMBER( to7_5p14sd_r );
- DECLARE_WRITE8_MEMBER( to7_5p14sd_w );
- DECLARE_READ8_MEMBER( to7_qdd_r );
- DECLARE_WRITE8_MEMBER( to7_qdd_w );
- TIMER_CALLBACK_MEMBER( thmfc_floppy_cmd_complete_cb );
- DECLARE_READ8_MEMBER( thmfc_floppy_r );
- DECLARE_WRITE8_MEMBER( thmfc_floppy_w );
- TIMER_CALLBACK_MEMBER( ans4 );
- TIMER_CALLBACK_MEMBER( ans3 );
- TIMER_CALLBACK_MEMBER( ans2 );
- TIMER_CALLBACK_MEMBER( ans );
- DECLARE_READ8_MEMBER( to7_network_r );
- DECLARE_WRITE8_MEMBER( to7_network_w );
- DECLARE_READ8_MEMBER( to7_floppy_r );
- DECLARE_WRITE8_MEMBER( to7_floppy_w );
- DECLARE_READ8_MEMBER( to9_floppy_r );
- DECLARE_WRITE8_MEMBER( to9_floppy_w );
- WRITE_LINE_MEMBER( fdc_index_0_w );
- WRITE_LINE_MEMBER( fdc_index_1_w );
- WRITE_LINE_MEMBER( fdc_index_2_w );
- WRITE_LINE_MEMBER( fdc_index_3_w );
- void thomson_index_callback(legacy_floppy_image_device *device, int state);
- DECLARE_PALETTE_INIT(thom);
- DECLARE_PALETTE_INIT(mo5);
-
- optional_device<mc6854_device> m_mc6854;
-
- DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
- DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
-
- int m_centronics_busy;
- int m_centronics_perror;
-
- MC6854_OUT_FRAME_CB(to7_network_got_frame);
-
-protected:
- required_device<cpu_device> m_maincpu;
- required_device<cassette_image_device> m_cassette;
- required_device<dac_device> m_buzzer;
- required_device<dac_device> m_dac;
- optional_device<centronics_device> m_centronics;
- optional_device<output_latch_device> m_cent_data_out;
- required_device<pia6821_device> m_pia_sys;
- required_device<pia6821_device> m_pia_game;
- required_device<acia6850_device> m_acia;
- required_device<mea8000_device> m_mea8000;
- required_device<ram_device> m_ram;
- optional_device<mc6846_device> m_mc6846;
- optional_device<mc6843_device> m_mc6843;
- optional_device<acia6850_device> m_acia6850;
- required_device<screen_device> m_screen;
- required_ioport m_io_game_port_directions;
- required_ioport m_io_game_port_buttons;
- required_ioport m_io_mouse_x;
- required_ioport m_io_mouse_y;
- required_ioport m_io_mouse_button;
- required_ioport m_io_lightpen_x;
- required_ioport m_io_lightpen_y;
- required_ioport m_io_lightpen_button;
- required_ioport m_io_config;
- required_ioport m_io_vconfig;
- optional_ioport m_io_mconfig;
- required_ioport m_io_fconfig;
- required_ioport_array<10> m_io_keyboard;
- required_memory_bank m_vrambank;
- optional_memory_bank m_cartbank;
- optional_memory_bank m_rambank;
- required_memory_bank m_flopbank;
- required_memory_bank m_basebank;
- required_memory_bank m_syslobank;
- optional_memory_bank m_syshibank;
- optional_memory_bank m_datalobank;
- optional_memory_bank m_datahibank;
- optional_memory_bank m_biosbank;
- optional_memory_bank m_cartlobank;
- optional_memory_bank m_carthibank;
-
- /* bank logging and optimisations */
- int m_old_cart_bank;
- int m_old_cart_bank_was_read_only;
- int m_old_ram_bank;
- int m_old_floppy_bank;
- /* buffer storing demodulated bits, only for k7 and with speed hack */
- UINT32 m_to7_k7_bitsize;
- UINT8* m_to7_k7_bits;
- /* several devices on the same irqs */
- UINT8 m_thom_irq;
- UINT8 m_thom_firq;
- /* ------------ cartridge ------------ */
- UINT8 m_thom_cart_nb_banks; /* number of 16 KB banks (up to 4) */
- UINT8 m_thom_cart_bank; /* current bank */
- UINT8 m_to7_lightpen_step;
- UINT8 m_to7_lightpen;
- UINT8 m_to7_modem_tx;
- /* calls to7_game_update_cb periodically */
- emu_timer* m_to7_game_timer;
- UINT8 m_to7_game_sound;
- UINT8 m_to7_game_mute;
- emu_timer* m_mo5_periodic_timer;
- UINT8 m_mo5_reg_cart; /* 0xa7cb bank switch */
- UINT8 m_to9_palette_data[32];
- UINT8 m_to9_palette_idx;
- UINT8 m_to9_soft_bank;
- UINT8 m_to9_kbd_parity; /* 0=even, 1=odd, 2=no parity */
- UINT8 m_to9_kbd_intr; /* interrupt mode */
- UINT8 m_to9_kbd_in; /* data from keyboard */
- UINT8 m_to9_kbd_status; /* status */
- UINT8 m_to9_kbd_overrun; /* character lost */
- UINT8 m_to9_kbd_periph; /* peripherial mode */
- UINT8 m_to9_kbd_byte_count; /* byte-count in peripherial mode */
- UINT16 m_to9_mouse_x;
- UINT16 m_to9_mouse_y;
- UINT8 m_to9_kbd_last_key; /* for key repetition */
- UINT16 m_to9_kbd_key_count;
- UINT8 m_to9_kbd_caps; /* caps-lock */
- UINT8 m_to9_kbd_pad; /* keypad outputs special codes */
- emu_timer* m_to9_kbd_timer;
- UINT8 m_to8_kbd_ack; /* 1 = cpu inits / accepts transfers */
- UINT16 m_to8_kbd_data; /* data to transmit */
- UINT16 m_to8_kbd_step; /* transmission automaton state */
- UINT8 m_to8_kbd_last_key; /* last key (for repetition) */
- UINT32 m_to8_kbd_key_count; /* keypress time (for repetition) */
- UINT8 m_to8_kbd_caps; /* caps lock */
- emu_timer* m_to8_kbd_timer; /* bit-send */
- emu_timer* m_to8_kbd_signal; /* signal from CPU */
- UINT8 m_to8_data_vpage;
- UINT8 m_to8_cart_vpage;
- UINT8 m_to8_reg_ram;
- UINT8 m_to8_reg_cart;
- UINT8 m_to8_reg_sys1;
- UINT8 m_to8_reg_sys2;
- UINT8 m_to8_lightpen_intr;
- UINT8 m_to8_soft_select;
- UINT8 m_to8_soft_bank;
- UINT8 m_to8_bios_bank;
-
- /* We allow choosing dynamically:
- - the border size
- - whether we use 640 pixels or 320 pixels in an active row
- (now this is automatically choosen by default for each frame)
- */
- UINT16 m_thom_bwidth;
- UINT16 m_thom_bheight;
- /* border size */
- UINT8 m_thom_hires;
- /* 0 = low res: 320x200 active area (faster)
- 1 = hi res: 640x200 active area (can represent all video modes)
- */
- UINT8 m_thom_hires_better;
- /* 1 = a 640 mode was used in the last frame */
- /* we use our own video timing to precisely cope with VBLANK and HBLANK */
- emu_timer* m_thom_video_timer; /* time elapsed from beginning of frame */
- /* number of lightpen call-backs per frame */
- int m_thom_lightpen_nb;
- /* called thom_lightpen_nb times */
- emu_timer *m_thom_lightpen_timer;
- /* lightpen callback function to call from timer */
- void (thomson_state::*m_thom_lightpen_cb)(int step);
- UINT8* m_thom_vram; /* pointer to video memory */
- emu_timer* m_thom_scanline_timer; /* scan-line udpate */
- UINT16 m_thom_last_pal[16]; /* palette at last scanline start */
- UINT16 m_thom_pal[16]; /* current palette */
- UINT8 m_thom_pal_changed; /* whether pal != old_pal */
- UINT8 m_thom_border_index; /* current border color index */
- /* the left and right border color for each row (including top and bottom
- border rows); -1 means unchanged wrt last scanline
- */
- INT16 m_thom_border_l[THOM_TOTAL_HEIGHT+1];
- INT16 m_thom_border_r[THOM_TOTAL_HEIGHT+1];
- /* active area, updated one scan-line at a time every 64us,
- then blitted in screen_update
- */
- UINT16 m_thom_vbody[640*200];
- UINT8 m_thom_vmode; /* current vide mode */
- UINT8 m_thom_vpage; /* current video page */
- /* this stores the video mode & page at each GPL in the current line
- (-1 means unchanged)
- */
- INT16 m_thom_vmodepage[41];
- UINT8 m_thom_vmodepage_changed;
- /* one dirty flag for each video memory line */
- UINT8 m_thom_vmem_dirty[205];
- /* set to 1 if undirty scanlines need to be redrawn due to other video state
- changes */
- UINT8 m_thom_vstate_dirty;
- UINT8 m_thom_vstate_last_dirty;
- UINT32 m_thom_mode_point;
- UINT32 m_thom_floppy_wcount;
- UINT32 m_thom_floppy_rcount;
- emu_timer *m_thom_init_timer;
- void (thomson_state::*m_thom_init_cb)( int init );
-
- int to7_get_cassette();
- void to7_set_cassette( int data );
- int mo5_get_cassette();
- void mo5_set_cassette( int data );
- void thom_set_irq( int line, int state );
- void thom_set_firq( int line, int state );
- void thom_irq_reset();
- void thom_irq_init();
- void thom_irq_0( int state );
- void thom_irq_3( int state );
- void thom_firq_2( int state );
- void thom_irq_4( int state );
- void thom_set_caps_led( int led );
- void to7_update_cart_bank();
- void to7_set_init( int init );
- void to7_modem_reset();
- void to7_modem_init();
- UINT8 to7_get_mouse_signal();
- void to7_game_sound_update();
- void to7_game_init();
- void to7_game_reset();
- void to7_midi_reset();
- void to7_midi_init();
- void to770_update_ram_bank();
- void mo5_init_timer();
- void mo5_update_cart_bank();
- void to9_set_video_mode( UINT8 data, int style );
- void to9_palette_init();
- void to9_update_cart_bank();
- void to9_update_ram_bank();
- int to9_kbd_ktest();
- void to9_kbd_update_irq();
- void to9_kbd_send( UINT8 data, int parity );
- int to9_kbd_get_key();
- void to9_kbd_reset();
- void to9_kbd_init();
- int to8_kbd_ktest();
- int to8_kbd_get_key();
- void to8_kbd_timer_func();
- void to8_kbd_set_ack( int data );
- void to8_kbd_reset();
- void to8_kbd_init();
- void to8_update_floppy_bank();
- void to8_update_ram_bank();
- void to8_update_cart_bank();
- void to8_floppy_init();
- void to8_floppy_reset();
- void mo6_update_ram_bank();
- void mo6_update_cart_bank();
- void mo6_game_init();
- void mo6_game_reset();
- void mo5nr_game_init();
- void mo5nr_game_reset();
-
- int thom_update_screen_size();
- unsigned thom_video_elapsed();
- struct thom_vsignal thom_get_vsignal();
- void thom_get_lightpen_pos( int*x, int* y );
- struct thom_vsignal thom_get_lightpen_vsignal( int xdec, int ydec, int xdec2 );
- void thom_set_lightpen_callback( int nb );
- int thom_mode_is_hires( int mode );
- void thom_border_changed();
- void thom_gplinfo_changed();
- void thom_set_border_color( unsigned index );
- void thom_set_palette( unsigned index, UINT16 color );
- void thom_set_video_mode( unsigned mode );
- void thom_set_video_page( unsigned page );
- void thom_set_mode_point( int point );
- void thom_floppy_active( int write );
- unsigned to7_lightpen_gpl( int decx, int decy );
- void thom_configure_palette( double gamma, const UINT16* pal, palette_device& palette );
-
- int thom_floppy_make_addr( chrn_id id, UINT8* dst, int sector_size );
- int thom_floppy_make_sector( legacy_floppy_image_device* img, chrn_id id, UINT8* dst, int sector_size );
- int thom_floppy_make_track( legacy_floppy_image_device* img, UINT8* dst, int sector_size, int side );
- int thom_qdd_make_addr( int sector, UINT8* dst );
- int thom_qdd_make_sector( legacy_floppy_image_device* img, int sector, UINT8* dst );
- int thom_qdd_make_disk ( legacy_floppy_image_device* img, UINT8* dst );
- void to7_5p14_reset();
- void to7_5p14_init();
- void to7_5p14_index_pulse_callback( device_t *controller,legacy_floppy_image_device *image, int state );
- void to7_5p14sd_reset();
- void to7_5p14sd_init();
- void to7_qdd_index_pulse_cb( device_t *controller,legacy_floppy_image_device *image, int state );
- legacy_floppy_image_device * to7_qdd_image();
- void to7_qdd_stat_update();
- UINT8 to7_qdd_read_byte();
- void to7_qdd_write_byte( UINT8 data );
- void to7_qdd_reset();
- void to7_qdd_init();
- legacy_floppy_image_device * thmfc_floppy_image();
- int thmfc_floppy_is_qdd( legacy_floppy_image_device *image );
- void thmfc_floppy_index_pulse_cb( device_t *controller,legacy_floppy_image_device *image, int state );
- int thmfc_floppy_find_sector( chrn_id* dst );
- void thmfc_floppy_cmd_complete();
- UINT8 thmfc_floppy_read_byte();
- UINT8 thmfc_floppy_raw_read_byte();
- void thmfc_floppy_qdd_write_byte( UINT8 data );
- void thmfc_floppy_write_byte( UINT8 data );
- void thmfc_floppy_format_byte( UINT8 data );
- void thmfc_floppy_reset();
- void thmfc_floppy_init();
- void to7_network_init();
- void to7_network_reset();
- void to7_floppy_init( void* base );
- void to7_floppy_reset();
- void to9_floppy_init(void* int_base, void* ext_base);
- void to9_floppy_reset();
- void to7_midi_update_irq ( );
- void to7_midi_ready_to_send_cb( );
-};
-
-/*----------- defined in video/thomson.c -----------*/
-
-/*
- TO7 video:
- one line (64 us) =
- 56 left border pixels ( 7 us)
- + 320 active pixels (40 us)
- + 56 right border pixels ( 7 us)
- + horizontal retrace (10 us)
-
- one image (20 ms) =
- 47 top border lines (~3 ms)
- + 200 active lines (12.8 ms)
- + 47 bottom border lines (~3 ms)
- + vertical retrace (~1 ms)
-
- TO9 and up introduced a half (160 pixels) and double (640 pixels)
- horizontal mode, but still in 40 us (no change in refresh rate).
-*/
-
-
-/***************************** dimensions **************************/
-
-
-/*********************** video signals *****************************/
-
-/***************************** commons *****************************/
-
-
-/* video modes */
-#define THOM_VMODE_TO770 0
-#define THOM_VMODE_MO5 1
-#define THOM_VMODE_BITMAP4 2
-#define THOM_VMODE_BITMAP4_ALT 3
-#define THOM_VMODE_80 4
-#define THOM_VMODE_BITMAP16 5
-#define THOM_VMODE_PAGE1 6
-#define THOM_VMODE_PAGE2 7
-#define THOM_VMODE_OVERLAY 8
-#define THOM_VMODE_OVERLAY3 9
-#define THOM_VMODE_TO9 10
-#define THOM_VMODE_80_TO9 11
-#define THOM_VMODE_BITMAP4_ALT_HALF 12
-#define THOM_VMODE_MO5_ALT 13
-#define THOM_VMODE_OVERLAY_HALF 14
-#define THOM_VMODE_NB 15
-
-
-class to7_io_line_device : public device_t
-{
-public:
- // construction/destruction
- to7_io_line_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
-
- /* read data register */
- DECLARE_READ8_MEMBER(porta_in);
-
- /* write data register */
- DECLARE_WRITE8_MEMBER(porta_out);
-
- DECLARE_WRITE_LINE_MEMBER(write_rxd);
- DECLARE_WRITE_LINE_MEMBER(write_cts);
- DECLARE_WRITE_LINE_MEMBER(write_dsr);
- DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
-
-protected:
- // device-level overrides
- virtual void device_start();
- machine_config_constructor device_mconfig_additions() const;
-
-private:
- required_device<pia6821_device> m_pia_io;
- required_device<rs232_port_device> m_rs232;
- int m_last_low;
- int m_centronics_busy;
- int m_rxd;
- int m_cts;
- int m_dsr;
-};
-
-extern const device_type TO7_IO_LINE;
-
-#define MCFG_TO7_IO_LINE_ADD(_tag) \
- MCFG_DEVICE_ADD((_tag), TO7_IO_LINE, 0)
-
-#endif /* _THOMSON_H_ */