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Diffstat (limited to 'src/mess/machine/lux21046.h')
-rw-r--r-- | src/mess/machine/lux21046.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/mess/machine/lux21046.h b/src/mess/machine/lux21046.h new file mode 100644 index 00000000000..6750b2aa47c --- /dev/null +++ b/src/mess/machine/lux21046.h @@ -0,0 +1,126 @@ +/********************************************************************** + + Luxor 55-21046 "fast" floppy disk controller emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +*********************************************************************/ + +#pragma once + +#ifndef __LUXOR_55_21046__ +#define __LUXOR_55_21046__ + + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/z80/z80daisy.h" +#include "formats/basicdsk.h" +#include "imagedev/flopdrv.h" +#include "machine/abcbus.h" +#include "machine/devhelpr.h" +#include "machine/wd17xx.h" +#include "machine/z80dma.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define LUXOR_55_21046_TAG "luxor_55_21046" + + +#define ADDRESS_ABC832 44 +#define ADDRESS_ABC830 45 +#define ADDRESS_ABC838 46 + + +#define DRIVE_TEAC_FD55F 0x01 +#define DRIVE_BASF_6138 0x02 +#define DRIVE_MICROPOLIS_1015F 0x03 +#define DRIVE_BASF_6118 0x04 +#define DRIVE_MICROPOLIS_1115F 0x05 +#define DRIVE_BASF_6106_08 0x08 +#define DRIVE_MPI_51 0x09 +#define DRIVE_BASF_6105 0x0e +#define DRIVE_BASF_6106 0x0f + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> luxor_55_21046_device + +class luxor_55_21046_device : public device_t, + public device_abcbus_card_interface +{ +public: + // construction/destruction + luxor_55_21046_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + virtual ioport_constructor device_input_ports() const; + + // not really public + DECLARE_READ8_MEMBER( _3d_r ); + DECLARE_WRITE8_MEMBER( _4d_w ); + DECLARE_WRITE8_MEMBER( _4b_w ); + DECLARE_WRITE8_MEMBER( _9b_w ); + DECLARE_WRITE8_MEMBER( _8a_w ); + DECLARE_READ8_MEMBER( _9a_r ); + DECLARE_WRITE_LINE_MEMBER( dma_int_w ); + DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_config_complete() { m_shortname = "lux21046"; } + + // device_abcbus_interface overrides + virtual void abcbus_cs(UINT8 data); + virtual void abcbus_rst(int state); + virtual UINT8 abcbus_inp(); + virtual void abcbus_utp(UINT8 data); + virtual UINT8 abcbus_stat(); + virtual void abcbus_c1(UINT8 data); + virtual void abcbus_c3(UINT8 data); + +private: + required_device<cpu_device> m_maincpu; + required_device<z80dma_device> m_dma; + required_device<device_t> m_fdc; + required_device<legacy_floppy_image_device> m_image0; + required_device<legacy_floppy_image_device> m_image1; + + bool m_cs; // card selected + UINT8 m_status; // ABC BUS status + UINT8 m_data_in; // ABC BUS data in + UINT8 m_data_out; // ABC BUS data out + int m_fdc_irq; // FDC interrupt + int m_dma_irq; // DMA interrupt + int m_busy; // busy bit + int m_force_busy; // force busy bit +}; + + +// device type definition +extern const device_type LUXOR_55_21046; + + +// default input ports +extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc830_fast )[]; +extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc832_fast )[]; +extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc834_fast )[]; +extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc838_fast )[]; +extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc850_fast )[]; + + + +#endif |