interrupt vector AC1_AC on ATtiny1616

[wolfgang6444]

What is the symbolic name for AC1_AC i.e. (interrupt_vector Nr. 18) on an ATtiny1616.
In other words what is better than:
ISR(_VECTOR(18)) {
...
}

[hmeijdam]

You will find the definition in the header files. in your case the iotn1616.h file

/* ========== Interrupt Vector Definitions ========== /
/ Vector 0 is the reset vector */

/* CRCSCAN interrupt vectors /
#define CRCSCAN_NMI_vect_num 1
#define CRCSCAN_NMI_vect _VECTOR(1) / */

/* BOD interrupt vectors /
#define BOD_VLM_vect_num 2
#define BOD_VLM_vect _VECTOR(2) / */

/* PORTA interrupt vectors /
#define PORTA_PORT_vect_num 3
#define PORTA_PORT_vect _VECTOR(3) / */

/* PORTB interrupt vectors /
#define PORTB_PORT_vect_num 4
#define PORTB_PORT_vect _VECTOR(4) / */

/* PORTC interrupt vectors /
#define PORTC_PORT_vect_num 5
#define PORTC_PORT_vect _VECTOR(5) / */

/* RTC interrupt vectors /
#define RTC_CNT_vect_num 6
#define RTC_CNT_vect _VECTOR(6) / /
#define RTC_PIT_vect_num 7
#define RTC_PIT_vect _VECTOR(7) / */

/* TCA0 interrupt vectors /
#define TCA0_LUNF_vect_num 8
#define TCA0_LUNF_vect _VECTOR(8) / /
#define TCA0_OVF_vect_num 8
#define TCA0_OVF_vect _VECTOR(8) / /
#define TCA0_HUNF_vect_num 9
#define TCA0_HUNF_vect _VECTOR(9) / /
#define TCA0_CMP0_vect_num 10
#define TCA0_CMP0_vect _VECTOR(10) / /
#define TCA0_LCMP0_vect_num 10
#define TCA0_LCMP0_vect _VECTOR(10) / /
#define TCA0_CMP1_vect_num 11
#define TCA0_CMP1_vect _VECTOR(11) / /
#define TCA0_LCMP1_vect_num 11
#define TCA0_LCMP1_vect _VECTOR(11) / /
#define TCA0_CMP2_vect_num 12
#define TCA0_CMP2_vect _VECTOR(12) / /
#define TCA0_LCMP2_vect_num 12
#define TCA0_LCMP2_vect _VECTOR(12) / */

/* TCB0 interrupt vectors /
#define TCB0_INT_vect_num 13
#define TCB0_INT_vect _VECTOR(13) / */

/* TCB1 interrupt vectors /
#define TCB1_INT_vect_num 14
#define TCB1_INT_vect _VECTOR(14) / */

/* TCD0 interrupt vectors /
#define TCD0_OVF_vect_num 15
#define TCD0_OVF_vect _VECTOR(15) / /
#define TCD0_TRIG_vect_num 16
#define TCD0_TRIG_vect _VECTOR(16) / */

/* AC0 interrupt vectors /
#define AC0_AC_vect_num 17
#define AC0_AC_vect _VECTOR(17) / */

/* AC1 interrupt vectors /
#define AC1_AC_vect_num 18
#define AC1_AC_vect _VECTOR(18) / */

/* AC2 interrupt vectors /
#define AC2_AC_vect_num 19
#define AC2_AC_vect _VECTOR(19) / */

/* ADC0 interrupt vectors /
#define ADC0_RESRDY_vect_num 20
#define ADC0_RESRDY_vect _VECTOR(20) / /
#define ADC0_WCOMP_vect_num 21
#define ADC0_WCOMP_vect _VECTOR(21) / */

/* ADC1 interrupt vectors /
#define ADC1_RESRDY_vect_num 22
#define ADC1_RESRDY_vect _VECTOR(22) / /
#define ADC1_WCOMP_vect_num 23
#define ADC1_WCOMP_vect _VECTOR(23) / */

/* TWI0 interrupt vectors /
#define TWI0_TWIS_vect_num 24
#define TWI0_TWIS_vect _VECTOR(24) / /
#define TWI0_TWIM_vect_num 25
#define TWI0_TWIM_vect _VECTOR(25) / */

/* SPI0 interrupt vectors /
#define SPI0_INT_vect_num 26
#define SPI0_INT_vect _VECTOR(26) / */

/* USART0 interrupt vectors /
#define USART0_RXC_vect_num 27
#define USART0_RXC_vect _VECTOR(27) / /
#define USART0_DRE_vect_num 28
#define USART0_DRE_vect _VECTOR(28) / /
#define USART0_TXC_vect_num 29
#define USART0_TXC_vect _VECTOR(29) / */

/* NVMCTRL interrupt vectors /
#define NVMCTRL_EE_vect_num 30
#define NVMCTRL_EE_vect _VECTOR(30) / */

#define _VECTOR_SIZE 4 /* Size of individual vector. */
#define _VECTORS_SIZE (31 * _VECTOR_SIZE)