Registry & System Standard
Full Windows registry and system control with REGISTER KEY/SET/GET/CLOSE/DELETE, COMM OPEN/CLOSE/SET/SEND/RECV, PROCESS GET/SET PRIORITY, and MOUSEPTR. All real Win32 API calls, not stubs.
Registry Operations
REGISTER KEY opens a registry key (creating it if needed). REGISTER SET/GET read and write string values. REGISTER CLOSE releases the handle. REGISTER DELETE removes a value. All use real RegCreateKeyEx, RegSetValueEx, RegQueryValueEx, RegCloseKey.
Serial Port (COMM)
COMM OPEN opens a serial port with CreateFile. COMM SET configures baud rate, data bits, parity, and stop bits. COMM SEND/RECV transfer data. COMM CLOSE releases the handle. Full Win32 COM port API.
Process Priority & Mouse Pointer
PROCESS GET/SET PRIORITY uses GetPriorityClass/SetPriorityClass. MOUSEPTR uses SetCursor with standard Win32 cursor IDs (IDC_ARROW, IDC_WAIT, IDC_CROSS, etc.). All real Win32 calls.