Différences

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

--- back2root:ibm-pc-ms-dos:hardware:8259 [2022/12/29 13:48] – frater
+++ back2root:ibm-pc-ms-dos:hardware:8259 [2023/01/16 16:33] (Version actuelle) – [8259 Programmable Interrupt Controller Notes] frater
@@ Ligne 81: / Ligne 81: @@
 ==== Operation Control Word 3 (Ports 20h & A0h) ====
-<code>
 ^  bit  ^ Operation Control Word 3 ^
 |   0  | 1=read IRR on next read\\ 0=read ISR on next read|
@@ Ligne 88: / Ligne 87: @@
 |   3  | must be 1 for OCW3|
 |   4  | must be 0 for OCW3|
-|   5  | 1=set special mask|| 0=reset special mask|
+|   5  | 1=set special mask\\ 0=reset special mask|
 |   6  | 1=act on value of bit 5\\ 0=no action if bit 5 set|
 |   7  | not used (zero)|
@@ Ligne 97: / Ligne 96: @@
   * ISR - In Service Register, tracks IRQ line currently being serviced. \\ Updated by EOI command.
-====== Hardware Interrupt Sequence of Events: ======
+====== Hardware Interrupt Sequence of Events ======
   - 8259 <A HREF="int_table.html">IRQ</A> signal is raised high by hardware setting the corresponding IRR bits true.
@@ Ligne 131: / Ligne 130: @@
 <WRAP rounded box>
-see [[back2root:ibm-pc-ms-dos:hardware-ports|PORTS]] and <A HREF="int_table.html">INT TABLE</A>
+see [[back2root:ibm-pc-ms-dos:hardware:start|PORTS]] and [[back2root:ibm-pc-ms-dos:interrupts:start|INT TABLE]]
 </WRAP>

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