65c816: note syscall vector in readme

diff --git a/Kernel/platform-v65c816/README b/Kernel/platform-v65c816/README
index 0773f47..a7cf40b 100644 (file)
--- a/Kernel/platform-v65c816/README
+++ b/Kernel/platform-v65c816/README
@@ -16,9 +16,12 @@ Bank 0:
 And in user space
 
        0x0000          Unused
+       0x00FE          syscall vector
        0x0100          Program (CPU stack is in bank 0)
-       0xFC00          Udata copy (768 bytes)
+       0xFC00          Udata copy (512 bytes)
+       0xFE00          Spare
        0xFF00          Stubs [signal return etc]
+                       (keep in 0 page ?)
 
 We don't yet allow for a split I/D program using two banks and having 64K
 code and 64K data.