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mame/src/mess/includes/mbc55x.h

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/*
mbc55x.h
Includes for the Sanyo MBC-550, MBC-555.
Phill Harvey-Smith
2011-01-29.
*/
#include "emu.h"
#include "cpu/i86/i86.h"
#include "machine/ram.h"
#include "machine/ctronics.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/pic8259.h"
#include "machine/wd17xx.h"
#include "machine/i8251.h"
#include "sound/speaker.h"
#include "video/mc6845.h"
#include "imagedev/flopdrv.h"
#include "formats/pc_dsk.h"
#include "debugger.h"
#include "debug/debugcon.h"
#define MAINCPU_TAG "maincpu"
#define SCREEN_TAG "screen"
#define SCREEN_WIDTH_PIXELS 640
#define SCREEN_HEIGHT_LINES 250
#define SCREEN_NO_COLOURS 8
#define VIDEO_MEM_SIZE (32*1024)
#define VID_MC6845_NAME "mc6845"
// Red and blue colour planes sit at a fixed location, green
// is in main memory.
#define COLOUR_PLANE_SIZE 0x4000
#define RED_PLANE_OFFSET (0*COLOUR_PLANE_SIZE)
#define BLUE_PLANE_OFFSET (1*COLOUR_PLANE_SIZE)
#define COLOUR_PLANE_MEMBASE 0xF0000
#define RED_PLANE_MEMBASE (COLOUR_PLANE_MEMBASE+RED_PLANE_OFFSET)
#define BLUE_PLANE_MEMBASE (COLOUR_PLANE_MEMBASE+BLUE_PLANE_OFFSET)
#define RED_PLANE_TAG "red"
#define BLUE_PLANE_TAG "blue"
// Keyboard
#define MBC55X_KEYROWS 7
#define KEYBOARD_QUEUE_SIZE 32
#define KB_BITMASK 0x1000
#define KB_SHIFTS 12
#define KEY_SPECIAL_TAG "KEY_SPECIAL"
#define KEY_BIT_LSHIFT 0x01
#define KEY_BIT_RSHIFT 0x02
#define KEY_BIT_CTRL 0x04
#define KEY_BIT_GRAPH 0x08
#define PPI8255_TAG "ppi8255"
#define PIC8259_TAG "pic8259"
// From tech manual clock c1 is fed from c0, but it approx 100Hz
#define PIT8253_TAG "pit8253"
#define PIT_C0_CLOCK 78600
#define PIT_C1_CLOCK 100
#define PIT_C2_CLOCK 1789770
#define MONO_TAG "mono"
#define I8251A_KB_TAG "i8251a_kb"
#define FDC_TAG "wd1793"
struct keyboard_t
{
UINT8 keyrows[MBC55X_KEYROWS];
emu_timer *keyscan_timer;
UINT8 key_special;
};
class mbc55x_state : public driver_device
{
public:
mbc55x_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, MAINCPU_TAG),
m_crtc(*this, VID_MC6845_NAME),
m_kb_uart(*this, I8251A_KB_TAG),
m_pit(*this, PIT8253_TAG),
m_ppi(*this, PPI8255_TAG),
m_pic(*this, PIC8259_TAG),
m_fdc(*this, FDC_TAG),
m_speaker(*this, SPEAKER_TAG),
m_ram(*this, RAM_TAG)
{ }
required_device<cpu_device> m_maincpu;
required_device<mc6845_device> m_crtc;
required_device<i8251_device> m_kb_uart;
required_device<pit8253_device> m_pit;
required_device<i8255_device> m_ppi;
required_device<pic8259_device> m_pic;
required_device<fd1793_device> m_fdc;
required_device<speaker_sound_device> m_speaker;
required_device<ram_device> m_ram;
//DECLARE_READ8_MEMBER(pic8259_r);
//DECLARE_WRITE8_MEMBER(pic8259_w);
//DECLARE_READ8_MEMBER(mbc55x_disk_r);
//DECLARE_WRITE8_MEMBER(mbc55x_disk_w);
DECLARE_READ8_MEMBER(mbc55x_usart_r);
DECLARE_WRITE8_MEMBER(mbc55x_usart_w);
//DECLARE_READ8_MEMBER(mbc55x_kb_usart_r);
//DECLARE_WRITE8_MEMBER(mbc55x_kb_usart_w);
DECLARE_READ8_MEMBER(vram_page_r);
DECLARE_WRITE8_MEMBER(vram_page_w);
DECLARE_READ8_MEMBER(ppi8255_r);
DECLARE_WRITE8_MEMBER(ppi8255_w);
//DECLARE_READ8_MEMBER(pit8253_r);
//DECLARE_WRITE8_MEMBER(pit8253_w);
DECLARE_READ16_MEMBER(mbc55x_io_r);
DECLARE_WRITE16_MEMBER(mbc55x_io_w);
DECLARE_READ8_MEMBER(mbc55x_ppi_porta_r);
DECLARE_READ8_MEMBER(mbc55x_ppi_portb_r);
DECLARE_READ8_MEMBER(mbc55x_ppi_portc_r);
DECLARE_WRITE8_MEMBER(mbc55x_ppi_porta_w);
DECLARE_WRITE8_MEMBER(mbc55x_ppi_portb_w);
DECLARE_WRITE8_MEMBER(mbc55x_ppi_portc_w);
DECLARE_WRITE_LINE_MEMBER(vid_hsync_changed);
DECLARE_WRITE_LINE_MEMBER(vid_vsync_changed);
DECLARE_WRITE_LINE_MEMBER(pit8253_t2);
DECLARE_WRITE_LINE_MEMBER(mbc55x_fdc_intrq_w);
DECLARE_WRITE_LINE_MEMBER(mbc55x_fdc_drq_w);
UINT32 m_debug_machine;
UINT32 m_debug_video;
UINT8 m_video_mem[VIDEO_MEM_SIZE];
UINT8 m_vram_page;
keyboard_t m_keyboard;
DECLARE_READ8_MEMBER(mbcpic8259_r);
DECLARE_WRITE8_MEMBER(mbcpic8259_w);
DECLARE_READ8_MEMBER(mbcpit8253_r);
DECLARE_WRITE8_MEMBER(mbcpit8253_w);
DECLARE_READ8_MEMBER(mbc55x_disk_r);
DECLARE_WRITE8_MEMBER(mbc55x_disk_w);
DECLARE_READ8_MEMBER(mbc55x_kb_usart_r);
DECLARE_WRITE8_MEMBER(mbc55x_kb_usart_w);
DECLARE_DRIVER_INIT(mbc55x);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual void video_reset();
virtual void palette_init();
void screen_eof_mbc55x(screen_device &screen, bool state);
TIMER_CALLBACK_MEMBER(keyscan_callback);
IRQ_CALLBACK_MEMBER(mbc55x_irq_callback);
};
/*----------- defined in drivers/mbc55x.c -----------*/
extern const unsigned char mbc55x_palette[SCREEN_NO_COLOURS][3];
/*----------- defined in machine/mbc55x.c -----------*/
extern const struct pit8253_config mbc55x_pit8253_config;
extern const struct pic8259_interface mbc55x_pic8259_config;
extern const i8255_interface mbc55x_ppi8255_interface;
extern const i8251_interface mbc55x_i8251a_interface;
extern const i8251_interface mbc55x_i8251b_interface;
/* Memory controller */
#define RAM_BANK00_TAG "bank0"
#define RAM_BANK01_TAG "bank1"
#define RAM_BANK02_TAG "bank2"
#define RAM_BANK03_TAG "bank3"
#define RAM_BANK04_TAG "bank4"
#define RAM_BANK05_TAG "bank5"
#define RAM_BANK06_TAG "bank6"
#define RAM_BANK07_TAG "bank7"
#define RAM_BANK08_TAG "bank8"
#define RAM_BANK09_TAG "bank9"
#define RAM_BANK0A_TAG "banka"
#define RAM_BANK0B_TAG "bankb"
#define RAM_BANK0C_TAG "bankc"
#define RAM_BANK0D_TAG "bankd"
#define RAM_BANK0E_TAG "banke"
#define RAM_BANK_SIZE (64*1024)
#define RAM_BANK_COUNT 15
/* Floppy drive interface */
#define FDC_PAUSE 10000
extern const wd17xx_interface mbc55x_wd17xx_interface;
/*----------- defined in video/mbc55x.c -----------*/
extern const mc6845_interface mb55x_mc6845_intf;
#define RED 0
#define GREEN 1
#define BLUE 2
#define LINEAR_ADDR(seg,ofs) ((seg<<4)+ofs)
#define OUTPUT_SEGOFS(mess,seg,ofs) logerror("%s=%04X:%04X [%08X]\n",mess,seg,ofs,((seg<<4)+ofs))
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