spicetools/games/ddr/p3io/sate.cpp

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2024-08-28 15:10:34 +00:00
#include "sate.h"
#include "util/logging.h"
using namespace acioemu;
games::ddr::DDRSATEHandle::SATEDevice::SATEDevice() {
this->node_count = 7;
}
bool games::ddr::DDRSATEHandle::SATEDevice::parse_msg(
acioemu::MessageData *msg_in,
circular_buffer<uint8_t> *response_buffer
) {
// check command
switch (msg_in->cmd.code) {
case ACIO_CMD_GET_VERSION: {
// send version data
auto msg = this->create_msg(msg_in, MSG_VERSION_SIZE);
this->set_version(msg, 0x105, 0, 1, 1, 0, "DDRS");
write_msg(msg, response_buffer);
delete msg;
break;
}
case ACIO_CMD_CLEAR:
case ACIO_CMD_STARTUP:
case 0xFF: // BROADCAST
{
// send status 0
auto msg = this->create_msg_status(msg_in, 0x00);
write_msg(msg, response_buffer);
delete msg;
break;
}
default:
return false;
}
// mark as handled
return true;
}
bool games::ddr::DDRSATEHandle::open(LPCWSTR lpFileName) {
if (wcscmp(lpFileName, L"COM2") != 0) {
return false;
}
log_info("ddr", "Opened COM2 (SATE)");
// ACIO device
acio_emu.add_device(new SATEDevice());
return true;
}
int games::ddr::DDRSATEHandle::read(LPVOID lpBuffer, DWORD nNumberOfBytesToRead) {
auto buffer = reinterpret_cast<uint8_t *>(lpBuffer);
// read from emu
DWORD bytes_read = 0;
while (bytes_read < nNumberOfBytesToRead) {
auto cur_byte = acio_emu.read();
if (cur_byte.has_value()) {
buffer[bytes_read++] = cur_byte.value();
} else {
break;
}
}
// return amount of bytes read
return (int) bytes_read;
}
int games::ddr::DDRSATEHandle::write(LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite) {
auto buffer = reinterpret_cast<const uint8_t *>(lpBuffer);
// write to emu
for (DWORD i = 0; i < nNumberOfBytesToWrite; i++) {
acio_emu.write(buffer[i]);
}
// return all data written
return (int) nNumberOfBytesToWrite;
}
int games::ddr::DDRSATEHandle::device_io(
DWORD dwIoControlCode,
LPVOID lpInBuffer,
DWORD nInBufferSize,
LPVOID lpOutBuffer,
DWORD nOutBufferSize
) {
return -1;
}
bool games::ddr::DDRSATEHandle::close() {
log_info("ddr", "Closed COM2 (SATE).");
return true;
}