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Diffstat (limited to 'src/mess/machine/fm_scsi.h')
-rw-r--r-- | src/mess/machine/fm_scsi.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/mess/machine/fm_scsi.h b/src/mess/machine/fm_scsi.h deleted file mode 100644 index 12ca5ded55d..00000000000 --- a/src/mess/machine/fm_scsi.h +++ /dev/null @@ -1,103 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Barry Rodewald -/* - * fm_scsi.h - * - * SCSI controller used in Fujitsu FMR-50, FMR-60, and FM-Towns - * - */ - -#ifndef FM_SCSI_H_ -#define FM_SCSI_H_ - -#include "machine/legscsi.h" - -// SCSI input lines (from target) -#define FMSCSI_LINE_REQ 0x80 -#define FMSCSI_LINE_IO 0x40 -#define FMSCSI_LINE_MSG 0x20 -#define FMSCSI_LINE_CD 0x10 -#define FMSCSI_LINE_BSY 0x08 -#define FMSCSI_LINE_EX 0x04 -#define FMSCSI_LINE_INT 0x02 -#define FMSCSI_LINE_PERR 0x01 - -// SCSI output lines (to target) -#define FMSCSI_LINE_WEN 0x80 -#define FMSCSI_LINE_IMSK 0x40 -#define FMSCSI_LINE_RMSK 0x20 -#define FMSCSI_LINE_ATN 0x10 -#define FMSCSI_LINE_WRD 0x08 -#define FMSCSI_LINE_SEL 0x04 -#define FMSCSI_LINE_DMAE 0x02 -#define FMSCSI_LINE_RST 0x01 - -#define MCFG_FMSCSI_ADD(_tag) \ - MCFG_DEVICE_ADD(_tag, FMSCSI, 0) - -#define MCFG_FMSCSI_IRQ_HANDLER(_devcb) \ - devcb = &fmscsi_device::set_irq_handler(*device, DEVCB_##_devcb); -#define MCFG_FMSCSI_DRQ_HANDLER(_devcb) \ - devcb = &fmscsi_device::set_drq_handler(*device, DEVCB_##_devcb); - -class fmscsi_device : public legacy_scsi_host_adapter -{ -public: - // construction/destruction - fmscsi_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - - // static configuration helpers - template<class _Object> static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast<fmscsi_device &>(device).m_irq_handler.set_callback(object); } - template<class _Object> static devcb_base &set_drq_handler(device_t &device, _Object object) { return downcast<fmscsi_device &>(device).m_drq_handler.set_callback(object); } - - // any publically accessible interfaces needed for runtime - UINT8 fmscsi_data_r(void); - void fmscsi_data_w(UINT8 data); - UINT8 fmscsi_status_r(void); - void fmscsi_control_w(UINT8 data); - DECLARE_READ8_MEMBER( fmscsi_r ); - DECLARE_WRITE8_MEMBER( fmscsi_w ); - - void set_phase(int phase); - int get_phase(void); - void set_input_line(UINT8 line, UINT8 state); - UINT8 get_input_line(UINT8 line); - void set_output_line(UINT8 line, UINT8 state); - UINT8 get_output_line(UINT8 line); - -protected: - // device-level overrides (none are required, but these are common) - virtual void device_start(); - virtual void device_reset(); - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); - -private: - // internal device state goes here - static const device_timer_id TIMER_TRANSFER = 0; - static const device_timer_id TIMER_PHASE = 1; - - int get_scsi_cmd_len(UINT8 cbyte); - void stop_transfer(); - - devcb_write_line m_irq_handler; - devcb_write_line m_drq_handler; - - UINT8 m_command[32]; - //UINT8 m_result[32]; - UINT8 m_command_index; - int m_result_length; - UINT32 m_result_index; - UINT8 m_input_lines; - UINT8 m_output_lines; - UINT8 m_data; - UINT8 m_last_id; - UINT8 m_phase; - UINT8 m_target; - UINT8 m_buffer[512]; - emu_timer* m_transfer_timer; - emu_timer* m_phase_timer; -}; - -extern const device_type FMSCSI; - -#endif /* FM_SCSI_H_ */ |