Différences

Ci-dessous, les différences entre deux révisions de la page.

--- back2root:ibm-pc-ms-dos:hardware:8259 [2022/12/29 02:56] – [Tableau] frater
+++ back2root:ibm-pc-ms-dos:hardware:8259 [2022/12/29 02:57] – [8259 Programmable Interrupt Controller Notes] frater
@@ Ligne 100: / Ligne 100: @@
 ==== Other Registers ====
-IRR - Interrupt Request Register, maintains a bit vector indicating which IRQ hardware events are awaiting service. Highest level interrupt is reset when the CPU acknowledges interrupt.
+  * IRR - Interrupt Request Register, maintains a bit vector indicating which IRQ hardware events are awaiting service. Highest level interrupt is reset when the CPU acknowledges interrupt.
-ISR - In Service Register, tracks IRQ line currently being serviced.
+  * ISR - In Service Register, tracks IRQ line currently being serviced. \\ Updated by EOI command.
-<tab>Updated by EOI command.
 ===== Hardware Interrupt Sequence of Events: ======
@@ Ligne 136: / Ligne 135: @@
   - for a more in-depth discussion of the 8259, see Intel's "Micro-processor and Peripherals Handbook, Volume I"
-  - see  <A HREF="ports.html">PORTS</A>  and  <A HREF="int_table.html">INT TABLE</A>
+<WRAP rounded box>
+see [[back2root:ibm-pc-ms-dos:hardware-ports|PORTS]] and <A HREF="int_table.html">INT TABLE</A>
+</WRAP>

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