// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef NSCSI_CB_H #define NSCSI_CB_H #include "machine/nscsi_bus.h" #define MCFG_NSCSICB_RST_HANDLER(_line) \ devcb = &downcast(device)->set_rst_callback(DEVCB_##_line); #define MCFG_NSCSICB_ATN_HANDLER(_line) \ devcb = &downcast(device)->set_atn_callback(DEVCB_##_line); #define MCFG_NSCSICB_ACK_HANDLER(_line) \ devcb = &downcast(device)->set_ack_callback(DEVCB_##_line); #define MCFG_NSCSICB_REQ_HANDLER(_line) \ devcb = &downcast(device)->set_req_callback(DEVCB_##_line); #define MCFG_NSCSICB_MSG_HANDLER(_line) \ devcb = &downcast(device)->set_msg_callback(DEVCB_##_line); #define MCFG_NSCSICB_IO_HANDLER(_line) \ devcb = &downcast(device)->set_io_callback(DEVCB_##_line); #define MCFG_NSCSICB_CD_HANDLER(_line) \ downcast(device)->set_cd_callback(DEVCB_##_line); #define MCFG_NSCSICB_SEL_HANDLER(_line) \ downcast(device)->set_sel_callback(DEVCB_##_line); #define MCFG_NSCSICB_BSY_HANDLER(_line) \ downcast(device)->set_bsy_callback(DEVCB_##_line); class nscsi_callback_device : public nscsi_device { public: nscsi_callback_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template devcb_base &set_rst_callback(_line line) { return m_write_rst.set_callback(line); } template devcb_base &set_atn_callback(_line line) { return m_write_atn.set_callback(line); } template devcb_base &set_ack_callback(_line line) { return m_write_ack.set_callback(line); } template devcb_base &set_req_callback(_line line) { return m_write_req.set_callback(line); } template devcb_base &set_msg_callback(_line line) { return m_write_msg.set_callback(line); } template devcb_base &set_io_callback(_line line) { return m_write_io.set_callback(line); } template devcb_base &set_cd_callback(_line line) { return m_write_cd.set_callback(line); } template devcb_base &set_sel_callback(_line line) { return m_write_sel.set_callback(line); } template devcb_base &set_bsy_callback(_line line) { return m_write_bsy.set_callback(line); } virtual void scsi_ctrl_changed() override; uint8_t read() { return scsi_bus->data_r(); } DECLARE_READ8_MEMBER( read ) { return read(); } void write(uint8_t data) { scsi_bus->data_w(scsi_refid, data); } DECLARE_WRITE8_MEMBER( write ) { write(data); } DECLARE_READ_LINE_MEMBER( rst_r ) { return (m_ctrl & S_RST) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( atn_r ) { return (m_ctrl & S_ATN) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( ack_r ) { return (m_ctrl & S_ACK) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( req_r ) { return (m_ctrl & S_REQ) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( msg_r ) { return (m_ctrl & S_MSG) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( io_r ) { return (m_ctrl & S_INP) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( cd_r ) { return (m_ctrl & S_CTL) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( sel_r ) { return (m_ctrl & S_SEL) ? 1 : 0; } DECLARE_READ_LINE_MEMBER( bsy_r ) { return (m_ctrl & S_BSY) ? 1 : 0; } DECLARE_WRITE_LINE_MEMBER( rst_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_RST : 0, S_RST); } DECLARE_WRITE_LINE_MEMBER( atn_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_ATN : 0, S_ATN); } DECLARE_WRITE_LINE_MEMBER( ack_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_ACK : 0, S_ACK); } DECLARE_WRITE_LINE_MEMBER( req_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_REQ : 0, S_REQ); } DECLARE_WRITE_LINE_MEMBER( msg_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_MSG : 0, S_MSG); } DECLARE_WRITE_LINE_MEMBER( io_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_INP : 0, S_INP); } DECLARE_WRITE_LINE_MEMBER( cd_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_CTL : 0, S_CTL); } DECLARE_WRITE_LINE_MEMBER( sel_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_SEL : 0, S_SEL); } DECLARE_WRITE_LINE_MEMBER( bsy_w ) { scsi_bus->ctrl_w(scsi_refid, state ? S_BSY : 0, S_BSY); } protected: virtual void device_start() override; virtual void device_reset() override; devcb_write_line m_write_rst; devcb_write_line m_write_atn; devcb_write_line m_write_ack; devcb_write_line m_write_req; devcb_write_line m_write_msg; devcb_write_line m_write_io; devcb_write_line m_write_cd; devcb_write_line m_write_sel; devcb_write_line m_write_bsy; uint32_t m_ctrl; }; extern const device_type NSCSI_CB; #endif