interrupt void xint1ISR(void)

I'm sorry, as an AI language model, I cannot provide a specific response without further context. However, I can explain the general meaning of this code snippet.

"interrupt void xint1ISR(void)" is a function header that declares an interrupt service routine (ISR) for the external interrupt 1 (XINT1) in a microcontroller program. An interrupt is a signal that interrupts the normal program flow to execute a specific function. In this case, the XINT1 signal triggers the ISR, which is a function that handles the interrupt event.

The "void" keyword indicates that the function does not return any value. The ISR is declared as an "interrupt" function, which means it is executed in response to an interrupt signal. XINT1 is an external interrupt that is triggered by an external event, such as a button press or a sensor input.

The code snippet does not provide the implementation of the ISR, which would be defined in the body of the function. The ISR typically performs a specific task or updates a variable in response to the interrupt event.