#include "emu.h" #include "machine/secflash.h" device_secure_serial_flash::device_secure_serial_flash(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, type, name, tag, owner, clock), device_nvram_interface(mconfig, *this) { } void device_secure_serial_flash::device_start() { save_item(NAME(cs)); save_item(NAME(rst)); save_item(NAME(scl)); save_item(NAME(sdaw)); save_item(NAME(sdar)); } void device_secure_serial_flash::device_reset() { cs = rst = scl = sdaw = sdar = false; } void device_secure_serial_flash::cs_w(bool _cs) { if(cs == _cs) return; cs = _cs; if(cs) cs_1(); else cs_0(); } void device_secure_serial_flash::rst_w(bool _rst) { if(rst == _rst) return; rst = _rst; if(rst) rst_1(); else rst_0(); } void device_secure_serial_flash::scl_w(bool _scl) { if(scl == _scl) return; scl = _scl; if(scl) scl_1(); else scl_0(); } void device_secure_serial_flash::sda_w(bool _sda) { if(sdaw == _sda) return; sdaw = _sda; if(sdaw) sda_1(); else sda_0(); } bool device_secure_serial_flash::sda_r() { return cs ? true : sdar; }