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-rw-r--r--subx/100index9
1 files changed, 9 insertions, 0 deletions
diff --git a/subx/100index b/subx/100index
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index 00000000..db6f4cdd
--- /dev/null
+++ b/subx/100index
@@ -0,0 +1,9 @@
+-- Overview of layers
+0-9: infrastructure independent of this program
+10-29: level 1, the SubX subset of the 32-bit x86 ISA
+30-39: level 2, moving past counting bytes with operands and labels
+
+--- Overview of tracing depths
+0: errors
+1-98: app level traces for different SubX programs
+99: low-level details of the VM