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Merge pull request #537 from kiwisincebirth/map/doc-buffer_bank

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Minor doc improvements
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Wayne Warthen
2025-05-02 19:22:16 -07:00
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parent 5118ab8d0a ea418f9dc4
commit c1152cfe17
2 changed files with 15 additions and 1 deletions
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Source/Doc/SystemGuide.md
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@@ -1147,6 +1147,13 @@ contain all sectors requested. Disk data transfers will be faster if
the buffer resides in the top 32K of memory because it avoids a
double buffer copy.
Also for buffers in the top 32K of memory the Bank ID is not
strictly required as this memory is alway mapped to the common bank.
For buffers in the bottom 32KB ram, the Bank ID is used to identify
the bank to use for the buffer. If you do not wih to use banked memory
you will need to provide the current Bank ID, which can be obtained
using [Function 0xF3 -- System Get Bank (SYSGETBNK)]
### Function 0x14 -- Disk Write (DIOWRITE)
| **Entry Parameters** | **Returned Values** |