#define INT_V_START	0				/* enable start */
#define INT_V_LPT	(INT_V_START+0)			/* line printer */
#define INT_V_PTP	(INT_V_START+1)			/* tape punch */
#define INT_V_PTR	(INT_V_START+2)			/* tape reader */
#define INT_V_TTO	(INT_V_START+3)			/* terminal */
#define INT_V_TTI	(INT_V_START+4)			/* keyboard */
#define INT_V_CLK	(INT_V_START+5)			/* clock */
#define INT_V_DIRECT	(INT_V_START+6)			/* direct start */
#define INT_V_RX	(INT_V_DIRECT+0)		/* RX8E */
#define INT_V_RK	(INT_V_DIRECT+1)		/* RK8E */
#define INT_V_RF	(INT_V_DIRECT+2)		/* RF08 */
#define INT_V_DF	(INT_V_DIRECT+3)		/* DF32 */
#define INT_V_MT	(INT_V_DIRECT+4)		/* TM8E */
#define INT_V_DTA	(INT_V_DIRECT+5)		/* TC08 */
#define INT_V_PWR	(INT_V_DIRECT+6)		/* power int */
#define INT_V_UF	(INT_V_DIRECT+7)		/* user int */
#define INT_V_OVHD	(INT_V_DIRECT+8)		/* overhead start */
#define INT_V_NO_ION_PENDING (INT_V_OVHD+0)		/* ion pending */
#define INT_V_NO_CIF_PENDING (INT_V_OVHD+1)		/* cif pending */
#define INT_V_ION	(INT_V_OVHD+2)			/* interrupts on */