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mame/src/mess/includes/apple2.h

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/***************************************************************************
includes/apple2.h
Include file to handle emulation of the Apple II series.
***************************************************************************/
#ifndef APPLE2_H_
#define APPLE2_H_
#include "machine/a2bus.h"
#include "machine/a2eauxslot.h"
#include "machine/applefdc.h"
#include "machine/ram.h"
#define AUXSLOT_TAG "auxbus"
/***************************************************************************
SOFTSWITCH VALUES
***************************************************************************/
#define VAR_80STORE 0x000001
#define VAR_RAMRD 0x000002
#define VAR_RAMWRT 0x000004
#define VAR_INTCXROM 0x000008
#define VAR_ALTZP 0x000010
#define VAR_SLOTC3ROM 0x000020
#define VAR_80COL 0x000040
#define VAR_ALTCHARSET 0x000080
#define VAR_TEXT 0x000100
#define VAR_MIXED 0x000200
#define VAR_PAGE2 0x000400
#define VAR_HIRES 0x000800
#define VAR_AN0 0x001000
#define VAR_AN1 0x002000
#define VAR_AN2 0x004000
#define VAR_AN3 0x008000
#define VAR_LCRAM 0x010000
#define VAR_LCRAM2 0x020000
#define VAR_LCWRITE 0x040000
#define VAR_ROMSWITCH 0x080000
#define VAR_TK2000RAM 0x100000 // ROM/RAM switch for TK2000
#define VAR_DHIRES VAR_AN3
/***************************************************************************
SPECIAL KEYS
***************************************************************************/
#define SPECIALKEY_CAPSLOCK 0x01
#define SPECIALKEY_SHIFT 0x06
#define SPECIALKEY_CONTROL 0x08
#define SPECIALKEY_BUTTON0 0x10 /* open apple */
#define SPECIALKEY_BUTTON1 0x20 /* closed apple */
#define SPECIALKEY_BUTTON2 0x40
#define SPECIALKEY_RESET 0x80
/***************************************************************************
OTHER
***************************************************************************/
/* -----------------------------------------------------------------------
* New Apple II memory manager
* ----------------------------------------------------------------------- */
#define APPLE2_MEM_AUX 0x40000000
#define APPLE2_MEM_SLOT 0x80000000
#define APPLE2_MEM_ROM 0xC0000000
#define APPLE2_MEM_FLOATING 0xFFFFFFFF
#define APPLE2_MEM_MASK 0x00FFFFFF
enum machine_type_t
{
APPLE_II, // Apple II/II+
APPLE_IIE, // Apple IIe with aux slots
APPLE_IIEPLUS, // Apple IIc/IIgs/IIc+ with permanent aux memory
TK2000, // Microdigital TK2000
LASER128, // Laser 128/128EX/128EX2
SPACE84 // "Space 84" with flipped text mode
};
enum bank_disposition_t
{
A2MEM_IO = 0, /* this is always handlers; never banked memory */
A2MEM_MONO = 1, /* this is a bank where read and write are always in unison */
A2MEM_DUAL = 2 /* this is a bank where read and write can go different places */
};
struct apple2_meminfo
{
UINT32 read_mem;
read8_delegate *read_handler;
UINT32 write_mem;
write8_delegate *write_handler;
};
struct apple2_memmap_entry
{
offs_t begin;
offs_t end;
void (*get_meminfo)(running_machine &machine, offs_t begin, offs_t end, apple2_meminfo *meminfo);
bank_disposition_t bank_disposition;
};
struct apple2_memmap_config
{
int first_bank;
UINT8 *auxmem;
UINT32 auxmem_length;
const apple2_memmap_entry *memmap;
};
class apple2_state : public driver_device
{
public:
apple2_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_a2bus(*this, "a2bus"),
m_a2eauxslot(*this, AUXSLOT_TAG),
m_joy1x(*this, "joystick_1_x"),
m_joy1y(*this, "joystick_1_y"),
m_joy2x(*this, "joystick_2_x"),
m_joy2y(*this, "joystick_2_y"),
m_joybuttons(*this, "joystick_buttons"),
m_kb0(*this, "keyb_0"),
m_kb1(*this, "keyb_1"),
m_kb2(*this, "keyb_2"),
m_kb3(*this, "keyb_3"),
m_kb4(*this, "keyb_4"),
m_kb5(*this, "keyb_5"),
m_kb6(*this, "keyb_6"),
m_kbspecial(*this, "keyb_special"),
m_kbrepeat(*this, "keyb_repeat"),
m_resetdip(*this, "reset_dip"),
m_kpad1(*this, "keypad_1"),
m_kpad2(*this, "keypad_2")
{ }
required_device<cpu_device> m_maincpu;
required_device<ram_device> m_ram;
required_device<a2bus_device> m_a2bus;
optional_device<a2eauxslot_device> m_a2eauxslot;
optional_ioport m_joy1x, m_joy1y, m_joy2x, m_joy2y, m_joybuttons;
required_ioport m_kb0, m_kb1, m_kb2, m_kb3, m_kb4, m_kb5, m_kb6, m_kbspecial;
optional_ioport m_kbrepeat;
optional_ioport m_resetdip;
optional_ioport m_kpad1, m_kpad2;
UINT32 m_flags, m_flags_mask;
INT32 m_a2_cnxx_slot;
UINT32 m_a2_mask;
UINT32 m_a2_set;
int m_a2_speaker_state;
double m_joystick_x1_time;
double m_joystick_y1_time;
double m_joystick_x2_time;
double m_joystick_y2_time;
apple2_memmap_config m_mem_config;
apple2_meminfo *m_current_meminfo;
int m_fdc_diskreg;
unsigned int *m_ay3600_keys;
UINT8 m_keycode;
UINT8 m_keycode_unmodified;
UINT8 m_keywaiting;
UINT8 m_keystilldown;
UINT8 m_keymodreg;
int m_reset_flag;
int m_last_key;
int m_last_key_unmodified;
unsigned int m_time_until_repeat;
const UINT8 *m_a2_videoram;
UINT32 m_a2_videomask;
UINT32 m_old_a2;
int m_fgcolor;
int m_bgcolor;
int m_flash;
int m_alt_charset_value;
UINT16 *m_hires_artifact_map;
UINT16 *m_dhires_artifact_map;
bool m_monochrome_dhr;
int m_inh_slot;
UINT8 *m_rambase;
machine_type_t m_machinetype;
READ8_MEMBER(apple2_c0xx_r);
WRITE8_MEMBER(apple2_c0xx_w);
READ8_MEMBER(apple2_c080_r);
WRITE8_MEMBER(apple2_c080_w);
READ8_MEMBER ( apple2_c00x_r );
READ8_MEMBER ( apple2_c01x_r );
READ8_MEMBER ( apple2_c02x_r );
READ8_MEMBER ( apple2_c03x_r );
READ8_MEMBER ( apple2_c05x_r );
READ8_MEMBER ( apple2_c06x_r );
READ8_MEMBER ( apple2_c07x_r );
WRITE8_MEMBER ( apple2_c00x_w );
WRITE8_MEMBER ( apple2_c01x_w );
WRITE8_MEMBER ( apple2_c02x_w );
WRITE8_MEMBER ( apple2_c03x_w );
WRITE8_MEMBER ( apple2_c05x_w );
WRITE8_MEMBER ( apple2_c07x_w );
WRITE8_MEMBER ( apple2_mainram0400_w );
WRITE8_MEMBER ( apple2_mainram2000_w );
WRITE8_MEMBER ( apple2_auxram0400_w );
WRITE8_MEMBER ( apple2_auxram2000_w );
READ8_MEMBER ( apple2_c1xx_r );
WRITE8_MEMBER ( apple2_c1xx_w );
READ8_MEMBER ( apple2_c3xx_r );
WRITE8_MEMBER ( apple2_c3xx_w );
READ8_MEMBER ( apple2_c4xx_r );
WRITE8_MEMBER ( apple2_c4xx_w );
READ8_MEMBER ( apple2_c800_r );
WRITE8_MEMBER ( apple2_c800_w );
READ8_MEMBER ( apple2_ce00_r );
WRITE8_MEMBER ( apple2_ce00_w );
READ8_MEMBER ( apple2_inh_d000_r );
WRITE8_MEMBER ( apple2_inh_d000_w );
READ8_MEMBER ( apple2_inh_e000_r );
WRITE8_MEMBER ( apple2_inh_e000_w );
READ8_MEMBER(read_floatingbus);
READ8_MEMBER(apple2_cfff_r);
WRITE8_MEMBER(apple2_cfff_w);
void apple2_refresh_delegates();
int apple2_pressed_specialkey(UINT8 key);
read8_delegate read_delegates_master[4];
write8_delegate write_delegates_master[3];
write8_delegate write_delegates_0400[2];
write8_delegate write_delegates_2000[2];
read8_delegate rd_c000;
write8_delegate wd_c000;
read8_delegate rd_c080;
write8_delegate wd_c080;
read8_delegate rd_cfff;
write8_delegate wd_cfff;
read8_delegate rd_c800;
write8_delegate wd_c800;
read8_delegate rd_ce00;
write8_delegate wd_ce00;
read8_delegate rd_inh_d000;
write8_delegate wd_inh_d000;
read8_delegate rd_inh_e000;
write8_delegate wd_inh_e000;
DECLARE_MACHINE_START(apple2);
DECLARE_MACHINE_START(apple2e);
DECLARE_VIDEO_START(apple2);
DECLARE_PALETTE_INIT(apple2);
DECLARE_MACHINE_START(apple2orig);
DECLARE_VIDEO_START(apple2p);
DECLARE_VIDEO_START(apple2e);
DECLARE_MACHINE_START(tk2000);
DECLARE_MACHINE_START(laser128);
DECLARE_MACHINE_START(space84);
UINT32 screen_update_apple2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(apple2_interrupt);
DECLARE_WRITE8_MEMBER(a2bus_irq_w);
DECLARE_WRITE8_MEMBER(a2bus_nmi_w);
DECLARE_WRITE8_MEMBER(a2bus_inh_w);
void apple2_update_memory_postload();
virtual void machine_reset();
void apple2_setup_memory(const apple2_memmap_config *config);
void apple2_update_memory();
};
/*----------- defined in drivers/apple2.c -----------*/
INPUT_PORTS_EXTERN( apple2ep );
/*----------- defined in machine/apple2.c -----------*/
extern const applefdc_interface apple2_fdc_interface;
void apple2_iwm_setdiskreg(running_machine &machine, UINT8 data);
UINT8 apple2_iwm_getdiskreg(running_machine &machine);
void apple2_init_common(running_machine &machine);
UINT8 apple2_getfloatingbusvalue(running_machine &machine);
DECLARE_READ8_HANDLER( apple2_c0xx_r );
DECLARE_WRITE8_HANDLER( apple2_c0xx_w );
DECLARE_READ8_HANDLER( apple2_c080_r );
DECLARE_WRITE8_HANDLER( apple2_c080_w );
INT8 apple2_slotram_r(running_machine &machine, int slotnum, int offset);
void apple2_setvar(running_machine &machine, UINT32 val, UINT32 mask);
int apple2_pressed_specialkey(running_machine &machine, UINT8 key);
/*----------- defined in video/apple2.c -----------*/
void apple2_video_start(running_machine &machine, const UINT8 *vram, size_t vram_size, UINT32 ignored_softswitches, int hires_modulo);
#endif /* APPLE2_H_ */
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