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Added Console Takeover Mechanism

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- If enabled by AUTOCON config setting, you can press <space> at any character device to take over the console at the boot loader prompt.
- Correction to SIOSEEK documentation in System Guide.  Thanks and credit to Martin R.
This commit is contained in:
Wayne Warthen
2024-02-04 15:08:34 -08:00
parent b633c309f4
commit d93e639e4b
33 changed files with 149 additions and 20 deletions
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Source/Doc/SystemGuide.md
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@@ -670,11 +670,10 @@ by this function. The function typically just records the sector
address for subsequent I/O function calls.
The double-word Sector Address (DEHL) can represent either a Logical
Block Address (LBA) or a Cylinder/Head/Sector (CHS). If the high bit of
register D is set, then an LBA value is specified. Otherwise, the
value is CHS.
Block Address (LBA) or a Cylinder/Head/Sector (CHS). Bit 7 of D is
set (1) for LBA mode and cleared (0) for CHS mode.
For LBA mode operation, the high bit is cleared and the entire
For LBA mode operation, the high bit is set and the rest of the
double-word is then treated as the logical sector address.
For CHS mode operation, the Sector Address (DEHL) registers are