1991/0910/pc/io.h (diff list | history)

pc/io.h on 1991/0703
1991/0703		/*
1991/0731		* programmable interrupt vectors (for the 8259's)
1991/0703		*/
1991/0704		enum {
1991/0906		Mathemuvec= 7, /* math coprocessor emulation interrupt */ Mathovervec= 9, /* math coprocessor overrun interrupt */ Matherrorvec= 9, /* math coprocessor error interrupt */
1991/0710		Faultvec= 14, /* page fault */
1991/0905
1991/0904		Int0vec= 24, /* first 8259 */
1991/0731		Clockvec= Int0vec+0, /* clock interrupts */ Kbdvec= Int0vec+1, /* keyboard interrupts */
1991/0810		Uart1vec= Int0vec+3, /* modem line */
1991/0811		Uart0vec= Int0vec+4, /* serial line */
1991/0731		Floppyvec= Int0vec+6, /* floppy interrupts */ Int1vec= Int0vec+8, /* second 8259 */ Mousevec= Int1vec+4, /* mouse interrupt */ Hardvec= Int1vec+6, /* hard disk */
1991/0910		Syscallvec= 64,
1991/0704		};