1994/0305/carrera/main.c (diff list | history)

1994/0225/sys/src/9/carrera/main.c:228,238 – 1994/0305/sys/src/9/carrera/main.c:228,238 (short | long | prev | next)
Whitespace edit. rsc Fri Mar 4 12:44:25 2005
1994/0225		* Set the 8259 as master with edge triggered * input with fully nested interrupts. */ EISAOUTB(Int0ctl, 0x11); /* ICW1 - edge triggered, master, ICW4 will be sent */ EISAOUTB(Int0aux, Int0vec); /* ICW2 - interrupt vector offset */ EISAOUTB(Int0aux, 0x04); /* ICW3 - have slave on level 2 */ EISAOUTB(Int0aux, 0x01); /* ICW4 - 8086 mode, not buffered */
1994/0305		EISAOUTB(Int0ctl, 0x11); /* ICW1 - edge triggered, master, ICW4 will be sent */ EISAOUTB(Int0aux, Int0vec); /* ICW2 - interrupt vector offset */ EISAOUTB(Int0aux, 0x04); /* ICW3 - have slave on level 2 */ EISAOUTB(Int0aux, 0x01); /* ICW4 - 8086 mode, not buffered */
1994/0225		/* * Set up the second 8259 interrupt processor.
1994/0225/sys/src/9/carrera/main.c:240,250 – 1994/0305/sys/src/9/carrera/main.c:240,250
1994/0225		* Set the 8259 as master with edge triggered * input with fully nested interrupts. */ EISAOUTB(Int1ctl, 0x11); /* ICW1 - edge triggered, master, ICW4 will be sent */ EISAOUTB(Int1aux, Int1vec); /* ICW2 - interrupt vector offset */ EISAOUTB(Int1aux, 0x02); /* ICW3 - I am a slave on level 2 */ EISAOUTB(Int1aux, 0x01); /* ICW4 - 8086 mode, not buffered */
1994/0305		EISAOUTB(Int1ctl, 0x11); /* ICW1 - edge triggered, master, ICW4 will be sent */ EISAOUTB(Int1aux, Int1vec); /* ICW2 - interrupt vector offset */ EISAOUTB(Int1aux, 0x02); /* ICW3 - I am a slave on level 2 */ EISAOUTB(Int1aux, 0x01); /* ICW4 - 8086 mode, not buffered */
1994/0225		/* * pass #2 8259 interrupts to #1