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mame/src/mess/includes/thomson.h
Miodrag Milanovic 882e5b7f6a update license for Peter Trauner and Antoine Mine (nw)
2015-05-11 08:06:17 +02:00

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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 "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")
{
}
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;
/* 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_ */
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