// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Western Digital WD2010 Winchester Disk Controller **********************************************************************/ #pragma once #ifndef __WD2010__ #define __WD2010__ //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_WD2010_OUT_INTRQ_CB(_devcb) \ devcb = &wd2010_device::set_out_intrq_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_BDRQ_CB(_devcb) \ devcb = &wd2010_device::set_out_bdrq_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_BCR_CB(_devcb) \ devcb = &wd2010_device::set_out_bcr_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_BRDY_CB(_devcb) \ devcb = &wd2010_device::set_in_brdy_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_BCS_CB(_devcb) \ devcb = &wd2010_device::set_in_bcs_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_BCS_CB(_devcb) \ devcb = &wd2010_device::set_out_bcs_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_DIRIN_CB(_devcb) \ devcb = &wd2010_device::set_out_dirin_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_STEP_CB(_devcb) \ devcb = &wd2010_device::set_out_step_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_RWC_CB(_devcb) \ devcb = &wd2010_device::set_out_rwc_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_OUT_WG_CB(_devcb) \ devcb = &wd2010_device::set_out_wg_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_DRDY_CB(_devcb) \ devcb = &wd2010_device::set_in_drdy_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_INDEX_CB(_devcb) \ devcb = &wd2010_device::set_in_index_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_WF_CB(_devcb) \ devcb = &wd2010_device::set_in_wf_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_TK000_CB(_devcb) \ devcb = &wd2010_device::set_in_tk000_callback(*device, DEVCB_##_devcb); #define MCFG_WD2010_IN_SC_CB(_devcb) \ devcb = &wd2010_device::set_in_sc_callback(*device, DEVCB_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wd2010_device class wd2010_device : public device_t { public: // construction/destruction wd2010_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template static devcb_base &set_out_intrq_callback(device_t &device, _Object object) { return downcast(device).m_out_intrq_cb.set_callback(object); } template static devcb_base &set_out_bdrq_callback(device_t &device, _Object object) { return downcast(device).m_out_bdrq_cb.set_callback(object); } template static devcb_base &set_out_bcr_callback(device_t &device, _Object object) { return downcast(device).m_out_bcr_cb.set_callback(object); } template static devcb_base &set_in_brdy_callback(device_t &device, _Object object) { return downcast(device).m_in_brdy_cb.set_callback(object); } template static devcb_base &set_in_bcs_callback(device_t &device, _Object object) { return downcast(device).m_in_bcs_cb.set_callback(object); } template static devcb_base &set_out_bcs_callback(device_t &device, _Object object) { return downcast(device).m_out_bcs_cb.set_callback(object); } template static devcb_base &set_out_dirin_callback(device_t &device, _Object object) { return downcast(device).m_out_dirin_cb.set_callback(object); } template static devcb_base &set_out_step_callback(device_t &device, _Object object) { return downcast(device).m_out_step_cb.set_callback(object); } template static devcb_base &set_out_rwc_callback(device_t &device, _Object object) { return downcast(device).m_out_rwc_cb.set_callback(object); } template static devcb_base &set_out_wg_callback(device_t &device, _Object object) { return downcast(device).m_out_wg_cb.set_callback(object); } template static devcb_base &set_in_drdy_callback(device_t &device, _Object object) { return downcast(device).m_in_drdy_cb.set_callback(object); } template static devcb_base &set_in_index_callback(device_t &device, _Object object) { return downcast(device).m_in_index_cb.set_callback(object); } template static devcb_base &set_in_wf_callback(device_t &device, _Object object) { return downcast(device).m_in_wf_cb.set_callback(object); } template static devcb_base &set_in_tk000_callback(device_t &device, _Object object) { return downcast(device).m_in_tk000_cb.set_callback(object); } template static devcb_base &set_in_sc_callback(device_t &device, _Object object) { return downcast(device).m_in_sc_cb.set_callback(object); } DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); void buffer_ready(bool state); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; private: void compute_correction(uint8_t data); void set_parameter(uint8_t data); void restore(uint8_t data); void seek(uint8_t data); void read_sector(uint8_t data); void write_sector(uint8_t data); void scan_id(uint8_t data); void update_sdh(uint8_t new_sector_size, uint8_t new_head, uint16_t new_cylinder, uint8_t new_sectornr); void auto_scan_id(uint8_t data); void format(uint8_t data); devcb_write_line m_out_intrq_cb; devcb_write_line m_out_bdrq_cb; devcb_write_line m_out_bcr_cb; devcb_read8 m_in_bcs_cb; devcb_read_line m_in_brdy_cb; devcb_write8 m_out_bcs_cb; devcb_write_line m_out_dirin_cb; devcb_write_line m_out_step_cb; devcb_write_line m_out_rwc_cb; devcb_write_line m_out_wg_cb; devcb_read_line m_in_drdy_cb; devcb_read_line m_in_index_cb; devcb_read_line m_in_wf_cb; devcb_read_line m_in_tk000_cb; devcb_read_line m_in_sc_cb; uint8_t m_status; uint8_t m_error; uint8_t m_task_file[8]; emu_timer *cmd_timer; emu_timer *complete_write_when_buffer_ready_high; emu_timer *deassert_write_when_buffer_ready_low; emu_timer *deassert_read_when_buffer_ready_high; void complete_write_sector(uint8_t status); void complete_cmd(uint8_t status); void complete_immediate(uint8_t status); bool is_buffer_ready; uint32_t m_present_cylinder; // Present Cylinder Position Register }; // device type definition extern const device_type WD2010; #endif