// license:BSD-3-Clause // copyright-holders:Olivier Galibert #include "emu.h" #include "dc-ctrl.h" const device_type DC_CONTROLLER = &device_creator; void dc_controller_device::static_set_port_tag(device_t &device, int port, const char *tag) { dc_controller_device &ctrl = downcast(device); ctrl.port_tag[port] = tag; } void dc_controller_device::static_set_id(device_t &device, const char *id) { dc_controller_device &ctrl = downcast(device); ctrl.id = id; } void dc_controller_device::static_set_license(device_t &device, const char *license) { dc_controller_device &ctrl = downcast(device); ctrl.license = license; } void dc_controller_device::static_set_versions(device_t &device, const char *versions) { dc_controller_device &ctrl = downcast(device); ctrl.versions = versions; } dc_controller_device::dc_controller_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : maple_device(mconfig, DC_CONTROLLER, "Dreamcast Controller", tag, owner, clock, "dcctrl", __FILE__) { memset(port_tag, 0, sizeof(port_tag)); id = "Dreamcast Controller"; license = "Produced By or Under License From SEGA ENTERPRISES,LTD."; versions = "Version 1.010,1998/09/28,315-6211-AB ,Analog Module : The 4th Edition.5/8 +DF"; } void dc_controller_device::maple_w(const uint32_t *data, uint32_t in_size) { switch(data[0] & 0xff) { case 0x01: // Device request reply_start(5, 0x20, 29); fixed_status(reply_buffer+1); reply_ready_with_delay(); break; case 0x02: // All status request reply_start(6, 0x20, 49); fixed_status(reply_buffer+1); free_status(reply_buffer+29); reply_ready_with_delay(); break; case 0x03: // reset - we're stateless where it matters reply_start(7, 0x20, 0); reply_ready_with_delay(); break; case 0x09: // get condition if(1 || (in_size >= 2 && data[1] == 0x01000000)) { reply_start(8, 0x20, 4); read(reply_buffer+1); reply_ready_with_delay(); } break; } } void dc_controller_device::fixed_status(uint32_t *dest) { dest[0] = 0x20000000; // Controller dest[1] = ((port[2] != nullptr) ? 0x010000 : 0) | ((port[3] != nullptr) ? 0x020000 : 0) | ((port[4] != nullptr) ? 0x040000 : 0) | ((port[5] != nullptr) ? 0x080000 : 0) | ((port[6] != nullptr) ? 0x100000 : 0) | ((port[7] != nullptr) ? 0x200000 : 0) | ((port[0] ? port[0]->active() : 0) << 8) | (port[1] ? port[1]->active() : 0); // 1st function - controller dest[2] = 0; // No 2nd function dest[3] = 0; // No 3rd function dest[4] = 0x00ff; // Every region, no expansion copy_with_spaces(((uint8_t *)dest) + 18, id, 30); copy_with_spaces(((uint8_t *)dest) + 48, license, 60); dest[27] = 0x01f401ae; // standby 43mA, max 50mA } void dc_controller_device::free_status(uint32_t *dest) { copy_with_spaces((uint8_t *)dest, versions, 80); } void dc_controller_device::read(uint32_t *dest) { dest[0] = 0x21000000; // Controller dest[1] = (port[0] ? port[0]->read() : 0xff) | ((port[1] ? port[1]->read() : 0xff) << 8) | ((port[2] ? port[2]->read() : 0) << 16) | ((port[3] ? port[3]->read() : 0) << 24); dest[2] = (port[4] ? port[4]->read() : 0x80) | ((port[5] ? port[5]->read() : 0x80) << 8) | ((port[6] ? port[6]->read() : 0x80) << 16) | ((port[7] ? port[7]->read() : 0x80) << 24); } void dc_controller_device::device_start() { maple_device::device_start(); for (int i = 0; i < 8; i++) { port[i] = ioport(port_tag[i]); } }