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-rw-r--r--nuttx/configs/xtrs/README.txt31
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diff --git a/nuttx/configs/xtrs/README.txt b/nuttx/configs/xtrs/README.txt
index 5137d1674..a4067b3e4 100644
--- a/nuttx/configs/xtrs/README.txt
+++ b/nuttx/configs/xtrs/README.txt
@@ -6,6 +6,16 @@ Current status
The xtrs port is not operational yet; some work still needs to be done.
+Contents
+^^^^^^^^
+
+ o Getting a TRS80 emulator and DOS disks
+ o Loading an executable into xtrs
+ o Configuring NuttX
+ o Building the SDCC toolchain
+ o SDCC Update
+ o Newer SDCC Versions
+
Getting a TRS80 emulator and DOS disks
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -124,3 +134,24 @@ like compiler bugs. If you are using UBUNTU 9.10, you may have to either
the older stable releases, or (2) wait for the next stable SDCC release
after 2.9.0.
+Newer SDCC Versions
+^^^^^^^^^^^^^^^^^^^
+
+This is the text of bug 3468951 reported on the SourceForge website:
+
+"Some obsolete stuff in z80sim port," (submitted by Philipp Klaus Krause):
+
+ The simz80 port needs a few updates to work well with current sdcc versions,
+ and has some unecessary stuff:
+
+ * The linker name for Make.defs should be sdldz80
+ * The assembler name for Make.defs should be sdasz80
+ * _asm and _endasm in z80_io.c and z80_irq.c should be replaced by __asm
+ and __endasm
+ * The --stack-auto --int-long-reent --float-reent options or Make.defs should
+ be removed, as they have no effect on sdcc's z80 port
+ * The current assembler AFAIK can handle long symbol names, so the
+ sdcc-2.6.0-asz80-symlen.patch is unnecessary, and it and the corresponding
+ section from the README can be removed.
+
+These changes have not yet been incorporated or verified. \ No newline at end of file