MESS SVN History

15994 Revisions

r14745 Sunday 11th March, 2012 at 17:04:12 UTC by Sandro Ronco
z88: Added support for flash cartridge. (nw)

[src/mess]	mess.mak
[src/mess/drivers]	z88.c
[src/mess/includes]	z88.h
[src/mess/machine]	z88_flash.c* z88_flash.h* z88_ram.h z88_rom.h z88cart.h

src/mess/machine/z88cart.h
r14744	r14745
77	77	virtual DECLARE_READ8_MEMBER(read) { return 0xff; }
78	78	virtual DECLARE_WRITE8_MEMBER(write) { }
79	79	virtual UINT8* get_cart_base() { return NULL; }
80		virtual ~~int~~ get_cart_size() { return 0; }
	80	virtual UINT32 get_cart_size() { return 0; }
81	81	};
82	82
83	83

src/mess/machine/z88_ram.h
r14744	r14745
29	29	virtual DECLARE_READ8_MEMBER(read);
30	30	virtual DECLARE_WRITE8_MEMBER(write);
31	31	virtual UINT8* get_cart_base();
32		virtual ~~int~~ get_cart_size() { return 0x8000; }
	32	virtual UINT32 get_cart_size() { return 0x8000; }
33	33
34	34	protected:
35	35	// internal state
r14744	r14745
49	49	virtual void device_config_complete() { m_shortname = "z88_128k_ram"; }
50	50
51	51	// z88cart_interface overrides
52		virtual ~~int~~ get_cart_size() { return 0x20000; }
	52	virtual UINT32 get_cart_size() { return 0x20000; }
53	53	};
54	54
55	55	// ======================> z88_512k_ram_device
r14744	r14745
65	65	virtual void device_config_complete() { m_shortname = "z88_512k_ram"; }
66	66
67	67	// z88cart_interface overrides
68		virtual ~~int~~ get_cart_size() { return 0x80000; }
	68	virtual UINT32 get_cart_size() { return 0x80000; }
69	69	};
70	70
71	71	// ======================> z88_1024k_ram_device
r14744	r14745
81	81	virtual void device_config_complete() { m_shortname = "z88_1024k_ram"; }
82	82
83	83	// z88cart_interface overrides
84		virtual ~~int~~ get_cart_size() { return 0x100000; }
	84	virtual UINT32 get_cart_size() { return 0x100000; }
85	85	};
86	86
87	87	// device type definition

src/mess/machine/z88_flash.c
r0	r14745
	1	/***************************************************************************
	2
	3	z88_flash.c
	4
	5	Z88 Flash cartridges emulation
	6
	7	***************************************************************************/
	8
	9	#include "emu.h"
	10	#include "z88_flash.h"
	11
	12
	13	//**************************************************************************
	14	// MACROS/CONSTANTS
	15	//**************************************************************************
	16
	17	#define FLASH_TAG "flash"
	18
	19	//**************************************************************************
	20	// DEVICE DEFINITIONS
	21	//**************************************************************************
	22
	23	const device_type Z88_1024K_FLASH = &device_creator<z88_1024k_flash_device>;
	24
	25	//-------------------------------------------------
	26	// MACHINE_CONFIG_FRAGMENT( z88_flash )
	27	//-------------------------------------------------
	28
	29	static MACHINE_CONFIG_FRAGMENT(z88_flash)
	30	MCFG_INTEL_E28F008SA_ADD(FLASH_TAG)
	31	MACHINE_CONFIG_END
	32
	33
	34	//**************************************************************************
	35	// LIVE DEVICE
	36	//**************************************************************************
	37
	38	//-------------------------------------------------
	39	// z88_1024k_flash_device - constructor
	40	//-------------------------------------------------
	41
	42	z88_1024k_flash_device::z88_1024k_flash_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock)
	43	: device_t(mconfig, Z88_1024K_FLASH, "Z88 1024KB Flash", tag, owner, clock),
	44	device_z88cart_interface( mconfig, *this ),
	45	m_flash(*this, FLASH_TAG)
	46	{
	47	}
	48
	49	//-------------------------------------------------
	50	// device_start - device-specific startup
	51	//-------------------------------------------------
	52
	53	void z88_1024k_flash_device::device_start()
	54	{
	55	}
	56
	57
	58	//-------------------------------------------------
	59	// device_mconfig_additions
	60	//-------------------------------------------------
	61
	62	machine_config_constructor z88_1024k_flash_device::device_mconfig_additions() const
	63	{
	64	return MACHINE_CONFIG_NAME( z88_flash );
	65	}
	66
	67	/*-------------------------------------------------
	68	get_cart_base
	69	-------------------------------------------------*/
	70
	71	UINT8* z88_1024k_flash_device::get_cart_base()
	72	{
	73	return (UINT8*)m_flash->space()->get_read_ptr(0);
	74	}
	75
	76	/*-------------------------------------------------
	77	read
	78	-------------------------------------------------*/
	79
	80	READ8_MEMBER(z88_1024k_flash_device::read)
	81	{
	82	return m_flash->read(offset & (get_cart_size() - 1));
	83	}
	84
	85	/*-------------------------------------------------
	86	write
	87	-------------------------------------------------*/
	88
	89	WRITE8_MEMBER(z88_1024k_flash_device::write)
	90	{
	91	m_flash->write(offset & (get_cart_size() - 1), data);
	92	}

src/mess/machine/z88_flash.h
r0	r14745
	1	#pragma once
	2
	3	#ifndef __Z88_FLASH_H__
	4	#define __Z88_FLASH_H__
	5
	6	#include "emu.h"
	7	#include "machine/z88cart.h"
	8	#include "machine/intelfsh.h"
	9
	10	//**************************************************************************
	11	// TYPE DEFINITIONS
	12	//**************************************************************************
	13
	14	// ======================> z88_1024k_flash_device
	15
	16	class z88_1024k_flash_device : public device_t,
	17	public device_z88cart_interface
	18	{
	19	public:
	20	// construction/destruction
	21	z88_1024k_flash_device(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock);
	22
	23	// optional information overrides
	24	virtual machine_config_constructor device_mconfig_additions() const;
	25
	26	protected:
	27	// device-level overrides
	28	virtual void device_start();
	29	virtual void device_config_complete() { m_shortname = "z88_1024k_flash"; }
	30
	31	// z88cart_interface overrides
	32	virtual DECLARE_READ8_MEMBER(read);
	33	virtual DECLARE_WRITE8_MEMBER(write);
	34	virtual UINT8* get_cart_base();
	35	virtual UINT32 get_cart_size() { return 0x100000; }
	36
	37	private:
	38	required_device<intelfsh8_device> m_flash;
	39	};
	40
	41	// device type definition
	42	extern const device_type Z88_1024K_FLASH;
	43
	44
	45	#endif /* __Z88_FLASH_H__ */

src/mess/machine/z88_rom.h
r14744	r14745
28	28	// z88cart_interface overrides
29	29	virtual DECLARE_READ8_MEMBER(read);
30	30	virtual UINT8* get_cart_base();
31		virtual ~~int~~ get_cart_size() { return 0x8000; }
	31	virtual UINT32 get_cart_size() { return 0x8000; }
32	32
33	33	protected:
34	34	// internal state
r14744	r14745
48	48	virtual void device_config_complete() { m_shortname = "z88_128k_rom"; }
49	49
50	50	// z88cart_interface overrides
51		virtual ~~int~~ get_cart_size() { return 0x20000; }
	51	virtual UINT32 get_cart_size() { return 0x20000; }
52	52	};
53	53
54	54	// ======================> z88_256k_rom_device
r14744	r14745
64	64	virtual void device_config_complete() { m_shortname = "z88_256k_rom"; }
65	65
66	66	// z88cart_interface overrides
67		virtual ~~int~~ get_cart_size() { return 0x200000; }
	67	virtual UINT32 get_cart_size() { return 0x200000; }
68	68	};
69	69
70	70	// device type definition

src/mess/includes/z88.h
r14744	r14745
12	12	#include "machine/upd65031.h"
13	13	#include "machine/ram.h"
14	14	#include "machine/z88cart.h"
	15	#include "machine/z88_flash.h"
15	16	#include "machine/z88_ram.h"
16	17	#include "machine/z88_rom.h"
17	18	#include "sound/speaker.h"

src/mess/drivers/z88.c
r14744	r14745
332	332	SLOT_INTERFACE("128kram", Z88_128K_RAM) // 128KB RAM cart
333	333	SLOT_INTERFACE("512kram", Z88_512K_RAM) // 512KB RAM cart
334	334	SLOT_INTERFACE("1024kram",Z88_1024K_RAM) // 1024KB RAM cart
	335	SLOT_INTERFACE("1024kflash",Z88_1024K_FLASH) // 1024KB Flash cart
335	336	SLOT_INTERFACE_END
336	337
337	338	static MACHINE_CONFIG_START( z88, z88_state )

src/mess/mess.mak
r14744	r14745
571	571	$(MESS_DRIVERS)/z88.o \
572	572	$(MESS_VIDEO)/z88.o \
573	573	$(MESS_MACHINE)/z88cart.o \
	574	$(MESS_MACHINE)/z88_flash.o \
574	575	$(MESS_MACHINE)/z88_ram.o \
575	576	$(MESS_MACHINE)/z88_rom.o \
576	577	$(MESS_MACHINE)/upd65031.o \

15994 Revisions