dreamcast/maple/maple_bus_commands.h
Zack Buhman 25fef821b0 maple: read controller input on real hardware
There were two notable bugs:

- the maple transfer/data sizes were not being set correctly

- align_32byte always realigned the address of `_scene`, and not the
  `mem` parameter as expected. This had the effect of the maple-DMA
  send and receive buffers being the same buffer. On real hardware,
  this causes unpredicable behavior.
2023-12-10 00:44:33 +08:00

233 lines
4.3 KiB
C++

#include <cstdint>
namespace device_request {
constexpr uint32_t command_code = 0x1;
struct data_fields {
};
}
namespace all_status_request {
constexpr uint32_t command_code = 0x2;
struct data_fields {
};
}
namespace device_reset {
constexpr uint32_t command_code = 0x3;
struct data_fields {
};
}
namespace device_kill {
constexpr uint32_t command_code = 0x4;
struct data_fields {
};
}
namespace device_status {
constexpr uint32_t command_code = 0x5;
struct data_fields {
uint8_t device_id[16];
uint8_t destination_code[1];
uint8_t connection_direction[1];
uint8_t product_name[30];
uint8_t license[60];
uint8_t low_consumption_standby_current[2];
uint8_t maximum_current_consumption[2];
};
static_assert((sizeof (struct data_fields)) == 112);
}
namespace device_all_status {
constexpr uint32_t command_code = 0x6;
template <typename T>
struct data_fields {
uint8_t device_id[16];
uint8_t destination_code[1];
uint8_t connection_direction[1];
uint8_t product_name[30];
uint8_t license[60];
uint8_t low_consumption_standby_current[2];
uint8_t maximum_current_consumption[2];
T free_device_status;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 112);
}
namespace device_reply {
constexpr uint32_t command_code = 0x7;
struct data_fields {
};
}
namespace data_transfer {
constexpr uint32_t command_code = 0x8;
template <typename T>
struct data_fields {
uint8_t function_type[4];
T data;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 4);
}
namespace get_condition {
constexpr uint32_t command_code = 0x9;
struct data_fields {
uint8_t function_type[4];
};
static_assert((sizeof (struct data_fields)) == 4);
}
namespace get_media_info {
constexpr uint32_t command_code = 0xa;
struct data_fields {
uint8_t function_type[4];
uint8_t pt[4];
};
static_assert((sizeof (struct data_fields)) == 8);
}
namespace block_read {
constexpr uint32_t command_code = 0xb;
struct data_fields {
uint8_t function_type[4];
uint8_t pt[1];
uint8_t phase[1];
uint8_t block_no[2];
};
static_assert((sizeof (struct data_fields)) == 8);
}
namespace block_write {
constexpr uint32_t command_code = 0xc;
template <typename T>
struct data_fields {
uint8_t function_type[4];
uint8_t pt[1];
uint8_t phase[1];
uint8_t block_no[2];
T written_data;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 8);
}
namespace get_last_error {
constexpr uint32_t command_code = 0xd;
struct data_fields {
uint8_t function_type[4];
uint8_t pt[1];
uint8_t phase[1];
uint8_t block_no[2];
};
static_assert((sizeof (struct data_fields)) == 8);
}
namespace set_condition {
constexpr uint32_t command_code = 0xe;
template <typename T>
struct data_fields {
uint8_t function_type[4];
T write_in_data;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 4);
}
namespace ft4_control {
constexpr uint32_t command_code = 0xf;
template <typename T>
struct data_fields {
uint8_t function_type[4];
T ft4_data;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 4);
}
namespace ar_control {
constexpr uint32_t command_code = 0x10;
template <typename T>
struct data_fields {
uint8_t function_type[4];
T data;
};
static_assert((sizeof (struct data_fields<char[0]>)) == 4);
}
namespace function_type_unknown {
constexpr uint32_t command_code = 0xfe;
struct data_fields {
};
}
namespace command_unknown {
constexpr uint32_t command_code = 0xfd;
struct data_fields {
};
}
namespace transmit_again {
constexpr uint32_t command_code = 0xfc;
struct data_fields {
};
}
namespace file_error {
constexpr uint32_t command_code = 0xfb;
struct data_fields {
uint8_t function_error_code[4];
};
static_assert((sizeof (struct data_fields)) == 4);
}
namespace lcd_error {
constexpr uint32_t command_code = 0xfa;
struct data_fields {
uint8_t function_error_code[4];
};
static_assert((sizeof (struct data_fields)) == 4);
}
namespace ar_error {
constexpr uint32_t command_code = 0xf9;
struct data_fields {
uint8_t function_error_code[4];
};
static_assert((sizeof (struct data_fields)) == 4);
}