// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#include "emu.h"
#include "dc-ctrl.h"
const device_type DC_CONTROLLER = &device_creator<dc_controller_device>;
void dc_controller_device::static_set_port_tag(device_t &device, int port, const char *tag)
{
dc_controller_device &ctrl = downcast<dc_controller_device &>(device);
ctrl.port_tag[port] = tag;
}
void dc_controller_device::static_set_id(device_t &device, const char *id)
{
dc_controller_device &ctrl = downcast<dc_controller_device &>(device);
ctrl.id = id;
}
void dc_controller_device::static_set_license(device_t &device, const char *license)
{
dc_controller_device &ctrl = downcast<dc_controller_device &>(device);
ctrl.license = license;
}
void dc_controller_device::static_set_versions(device_t &device, const char *versions)
{
dc_controller_device &ctrl = downcast<dc_controller_device &>(device);
ctrl.versions = versions;
}
dc_controller_device::dc_controller_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 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 *data, UINT32 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 *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 *)dest) + 18, id, 30);
copy_with_spaces(((UINT8 *)dest) + 48, license, 60);
dest[27] = 0x01f401ae; // standby 43mA, max 50mA
}
void dc_controller_device::free_status(UINT32 *dest)
{
copy_with_spaces((UINT8 *)dest, versions, 80);
}
void dc_controller_device::read(UINT32 *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]);
}
}