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-rw-r--r--README.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index f3d42d4..8d2380b 100644
--- a/README.md
+++ b/README.md
@@ -201,6 +201,10 @@ component in bits 5 .. 10 and blue component in bits 0 .. 4.
#define LCD_FB_START 0xffe00000
#define LCD_FB_END 0xffe4afff
```
+Limitation: actual concept of memory view updates and access
+doesnot allows to reliably read peripheral registers and I/O
+memory content. It is possible to write into framebuffer memory
+when cached (from CPU perspective) access to memory is selected.
Interrupts and Coprocessor 0 Support
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