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// license:GPL-2.0+
// copyright-holders:Kevin Thacker,Sandro Ronco
/*****************************************************************************
*
* includes/z88.h
*
****************************************************************************/
#ifndef Z88_H_
#define Z88_H_
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/upd65031.h"
#include "machine/ram.h"
#include "bus/z88/z88.h"
#include "bus/z88/flash.h"
#include "bus/z88/ram.h"
#include "bus/z88/rom.h"
#include "sound/speaker.h"
#include "rendlay.h"
#define Z88_NUM_COLOURS 3
#define Z88_SCREEN_WIDTH 640
#define Z88_SCREEN_HEIGHT 64
#define Z88_SCR_HW_REV (1<<4)
#define Z88_SCR_HW_HRS (1<<5)
#define Z88_SCR_HW_UND (1<<1)
#define Z88_SCR_HW_FLS (1<<3)
#define Z88_SCR_HW_GRY (1<<2)
#define Z88_SCR_HW_CURS (Z88_SCR_HW_HRS|Z88_SCR_HW_FLS|Z88_SCR_HW_REV)
#define Z88_SCR_HW_NULL (Z88_SCR_HW_HRS|Z88_SCR_HW_GRY|Z88_SCR_HW_REV)
enum
{
Z88_BANK_ROM = 1,
Z88_BANK_RAM,
Z88_BANK_CART,
Z88_BANK_UNMAP
};
class z88_state : public driver_device
{
public:
z88_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_palette(*this, "palette")
{ }
required_device<cpu_device> m_maincpu;
required_device<ram_device> m_ram;
required_device<palette_device> m_palette;
virtual void machine_start();
virtual void machine_reset();
DECLARE_READ8_MEMBER(kb_r);
UPD65031_MEMORY_UPDATE(bankswitch_update);
UPD65031_SCREEN_UPDATE(lcd_update);
// cartridges read/write
DECLARE_READ8_MEMBER(bank0_cart_r);
DECLARE_READ8_MEMBER(bank1_cart_r);
DECLARE_READ8_MEMBER(bank2_cart_r);
DECLARE_READ8_MEMBER(bank3_cart_r);
DECLARE_WRITE8_MEMBER(bank0_cart_w);
DECLARE_WRITE8_MEMBER(bank1_cart_w);
DECLARE_WRITE8_MEMBER(bank2_cart_w);
DECLARE_WRITE8_MEMBER(bank3_cart_w);
// defined in video/z88.c
inline void plot_pixel(bitmap_ind16 &bitmap, int x, int y, UINT16 color);
inline UINT8* convert_address(UINT32 offset);
void vh_render_8x8(bitmap_ind16 &bitmap, int x, int y, UINT16 pen0, UINT16 pen1, UINT8 *gfx);
void vh_render_6x8(bitmap_ind16 &bitmap, int x, int y, UINT16 pen0, UINT16 pen1, UINT8 *gfx);
void vh_render_line(bitmap_ind16 &bitmap, int x, int y, UINT16 pen);
struct
{
UINT8 slot;
UINT8 page;
} m_bank[4];
int m_bank_type[4];
UINT8 * m_bios;
UINT8 * m_ram_base;
z88cart_slot_device * m_carts[4];
DECLARE_PALETTE_INIT(z88);
};
#endif /* Z88_H_ */
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