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Detabification

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Jeff Parsons 2016-02-16 12:46:54 -08:00
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docs/x86/ops/UMOV/README.md
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@ -29,6 +29,7 @@ From [http://www.rcollins.org/secrets/opcodes/UMOV.html](http://www.rcollins.org
cycles. Since the '386 is a dynamic device, it must be executing cycles. Since the '386 is a dynamic device, it must be executing
some instructions during HALT, but it is not doing it in a way some instructions during HALT, but it is not doing it in a way
recognizable to a logic analyzer with a '386 probe attached. recognizable to a logic analyzer with a '386 probe attached.
During HALT mode, the ICE differentiates between USER space and During HALT mode, the ICE differentiates between USER space and
HOST space. The ICE is fetching, and performing all bus cycles HOST space. The ICE is fetching, and performing all bus cycles
to HOST memory space during HALT, and not USER space. Since the to HOST memory space during HALT, and not USER space. Since the
@ -36,8 +37,10 @@ From [http://www.rcollins.org/secrets/opcodes/UMOV.html](http://www.rcollins.org
mechanism to access user memory space. That mechanism is UMOV. mechanism to access user memory space. That mechanism is UMOV.
When a user request to view memory, or disassemble memory, the When a user request to view memory, or disassemble memory, the
ICE executes UMOV instructions to get data from User space. ICE executes UMOV instructions to get data from User space.
If UMOV is executed by a user program, it will appear it is a If UMOV is executed by a user program, it will appear it is a
alias for MOV. alias for MOV.
The field operands to UMOV are exactly the same as the MOV The field operands to UMOV are exactly the same as the MOV
instruction. For example: instruction. For example:
d Direction. If set (d=1), do memory to register, or register d Direction. If set (d=1), do memory to register, or register