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// license:BSD-3-Clause
// copyright-holders:Paul Daniels, Colin Howell, R. Belmont
/*****************************************************************************
*
* includes/apple1.h
*
****************************************************************************/
#ifndef APPLE1_H_
#define APPLE1_H_
#include "imagedev/snapquik.h"
#include "machine/ram.h"
typedef short termchar_t;
struct terminal_t
{
tilemap_t *tm;
int gfx;
int blank_char;
int char_bits;
int num_cols;
int num_rows;
int (*getcursorcode)(int original_code);
int cur_offset;
int cur_hidden;
termchar_t mem[1];
};
class apple1_state : public driver_device
{
public:
apple1_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ram(*this, RAM_TAG),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen") { }
int m_vh_clrscrn_pressed;
int m_kbd_data;
UINT32 m_kbd_last_scan[4];
int m_reset_flag;
terminal_t *m_current_terminal;
terminal_t *m_terminal;
int m_blink_on;
DECLARE_DRIVER_INIT(apple1);
TILE_GET_INFO_MEMBER(terminal_gettileinfo);
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_apple1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(apple1_kbd_poll);
TIMER_CALLBACK_MEMBER(apple1_kbd_strobe_end);
TIMER_CALLBACK_MEMBER(apple1_dsp_ready_start);
TIMER_CALLBACK_MEMBER(apple1_dsp_ready_end);
DECLARE_READ8_MEMBER(apple1_pia0_kbdin);
DECLARE_WRITE8_MEMBER(apple1_pia0_dspout);
DECLARE_WRITE_LINE_MEMBER(apple1_pia0_dsp_write_signal);
required_device<cpu_device> m_maincpu;
void terminal_draw(screen_device &screen, bitmap_ind16 &dest, const rectangle &cliprect, terminal_t *terminal);
void verify_coords(terminal_t *terminal, int x, int y);
void terminal_putchar(terminal_t *terminal, int x, int y, int ch);
int terminal_getchar(terminal_t *terminal, int x, int y);
void terminal_putblank(terminal_t *terminal, int x, int y);
void terminal_dirtycursor(terminal_t *terminal);
void terminal_setcursor(terminal_t *terminal, int x, int y);
void terminal_hidecursor(terminal_t *terminal);
void terminal_showcursor(terminal_t *terminal);
void terminal_getcursor(terminal_t *terminal, int *x, int *y);
void terminal_fill(terminal_t *terminal, int val);
void terminal_clear(terminal_t *terminal);
void apple1_vh_dsp_w (int data);
void apple1_vh_dsp_clr ();
void apple1_vh_cursor_blink ();
int apple1_verify_header (UINT8 *data);
terminal_t *terminal_create(int gfx, int blank_char, int char_bits,int (*getcursorcode)(int original_code),int num_cols, int num_rows);
attotime apple1_vh_dsp_time_to_ready();
DECLARE_SNAPSHOT_LOAD_MEMBER( apple1 );
required_device<ram_device> m_ram;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
};
/*----------- defined in drivers/apple1.c -----------*/
extern const gfx_layout apple1_charlayout;
#endif /* APPLE1_H_ */
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