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author | 2015-09-13 08:41:44 +0200 | |
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committer | 2015-09-13 08:41:44 +0200 | |
commit | f88cefad27a1737c76e09d99c9fb43e173506081 (patch) | |
tree | 2d8167d03579c46e226471747eb4407bd00ed6fa /src/devices/bus/coleco/exp.h | |
parent | e92ac9e0fa8e99869894bea00589bbb526be30aa (diff) |
Move all devices into separate part of src tree (nw)
Diffstat (limited to 'src/devices/bus/coleco/exp.h')
-rw-r--r-- | src/devices/bus/coleco/exp.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/devices/bus/coleco/exp.h b/src/devices/bus/coleco/exp.h new file mode 100644 index 00000000000..882bb04b659 --- /dev/null +++ b/src/devices/bus/coleco/exp.h @@ -0,0 +1,132 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + ColecoVision cartridge port emulation + +********************************************************************** + + D2 1 2 /C000 + D1 3 4 D3 + D0 5 6 D4 + A0 7 8 D5 + A1 9 10 D6 + A2 11 12 D7 + SHLD 13 14 A11 + A3 15 16 A10 + A4 17 18 /8000 + A13 19 20 A14 + A5 21 22 /A000 + A6 23 24 A12 + A7 25 26 A9 + /E000 27 28 A8 + GND 29 30 +5V + + +**********************************************************************/ + +#pragma once + +#ifndef __COLECOVISION_CARTRIDGE_SLOT__ +#define __COLECOVISION_CARTRIDGE_SLOT__ + +#include "emu.h" + + + +//************************************************************************** +// CONSTANTS +//************************************************************************** + +#define COLECOVISION_CARTRIDGE_SLOT_TAG "cartslot" + + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_COLECOVISION_CARTRIDGE_SLOT_ADD(_tag, _slot_intf, _def_slot) \ + MCFG_DEVICE_ADD(_tag, COLECOVISION_CARTRIDGE_SLOT, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> colecovision_cartridge_slot_device + +class device_colecovision_cartridge_interface; + +class colecovision_cartridge_slot_device : public device_t, + public device_slot_interface, + public device_image_interface +{ +public: + // construction/destruction + colecovision_cartridge_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~colecovision_cartridge_slot_device() { } + + // computer interface + UINT8 bd_r(address_space &space, offs_t offset, UINT8 data, int _8000, int _a000, int _c000, int _e000); + +protected: + // device-level overrides + virtual void device_config_complete() { update_names(); } + virtual void device_start(); + + // image-level overrides + virtual bool call_load(); + virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry); + + virtual iodevice_t image_type() const { return IO_CARTSLOT; } + + virtual bool is_readable() const { return 1; } + virtual bool is_writeable() const { return 0; } + virtual bool is_creatable() const { return 0; } + virtual bool must_be_loaded() const { return 0; } + virtual bool is_reset_on_load() const { return 1; } + virtual const char *image_interface() const { return "coleco_cart"; } + virtual const char *file_extensions() const { return "rom,col,bin"; } + virtual const option_guide *create_option_guide() const { return NULL; } + + // slot interface overrides + virtual void get_default_card_software(std::string &result); + + device_colecovision_cartridge_interface *m_card; +}; + + +// ======================> device_colecovision_cartridge_interface + +class device_colecovision_cartridge_interface : public device_slot_card_interface +{ + friend class colecovision_cartridge_slot_device; + +public: + // construction/destruction + device_colecovision_cartridge_interface(const machine_config &mconfig, device_t &device); + virtual ~device_colecovision_cartridge_interface() { } + + virtual UINT8 bd_r(address_space &space, offs_t offset, UINT8 data, int _8000, int _a000, int _c000, int _e000) { return 0xff; } + + void rom_alloc(size_t size); + +protected: + UINT8 *m_rom; + size_t m_rom_size; + + colecovision_cartridge_slot_device *m_slot; +}; + + +// device type definition +extern const device_type COLECOVISION_CARTRIDGE_SLOT; + +SLOT_INTERFACE_EXTERN( colecovision_cartridges ); + + + +#endif |