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Jeff Parsons 2015-03-30 20:08:52 -07:00 • committed by jeffpar
commit a73e7a7237
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blog/2015/02/23/README.md
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@ -447,9 +447,9 @@ Here's what the world knew about 80386 problems in the B1 stepping, as of Decemb
**Problem**: If certain string and loop instructions are followed by instructions that either:
1. use a different address size (that is, if either the string instruction or the following instruction
1. use a different address size (that is, if either the string instruction or the following instruction
uses an address size prefix), or
2. reference the stack (e.g. PUSH/POP/CALL/RET) and the "B" bit in the SS descriptor is different from the address
2. reference the stack (e.g. PUSH/POP/CALL/RET) and the "B" bit in the SS descriptor is different from the address
size used by the string instructions,
then one or more of [E]CX, [E]SI, or [E]DI is not updated properly. The size of the register (16 vs. 32) is