Différences

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

--- back2root:ibm-pc-ms-dos:interrupts:int_13:start [2023/01/19 21:39] – [and return with:] frater
+++ back2root:ibm-pc-ms-dos:interrupts:int_13:start [2023/01/19 21:40] – [and return with:] frater
@@ Ligne 30: / Ligne 30: @@
 | AH | status of operation  (see [[back2root:ibm-pc-ms-dos:interrupts:int_13:int_13_01|INT 13,01]])|
+<WRAP round box>
   * INT 13 diskette read functions should be retried at least 3 times to assure the disk motor has time to spin up to speed
   * physical sector numbers can be converted to and from DOS sector numbers with the following formulas:
-<WRAP round box 75%>
+<WRAP center round tip 75%>
 <m 15>DosSector = (sector - 1) + (head * SectorsPerTrack) + (track * SectorsPerTrack * NumHeads)</m>
+</WRAP>
+<WRAP center round tip 75%>
 <m 15>PhysicalSector = 1 + (DosSector  MOD  SectorsPerTrack)</m>
+</WRAP>
+<WRAP center round tip 75%>
 <m 15>PhysicalHead = (DosSector / SectorsPerTrack)  MOD  NumHeads</m>
+</WRAP>
+<WRAP center round tip 75%>
 <m 15>PhysicalTrack = DosSector / (SectorsPerTrack * NumHeads)</m>
 </WRAP>

Nox-Rhea WiKi