In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Sparks-R-Fun wrote:

I need to clarify something that was not made clear in my previous post.  The command [CODE]MOV !RB,W[/CODE] is used to read and/or write values to/from many different registers in the SX chips.  The value held by the [B]m[/B] register when the command is executed controls the behavior of the command.

I should have specified that I believe the problem lies with the simulator's handling of the command when the [B]m[/B] register holds the value [B]$0F[/B].  This should be a "[B]read TRIS_B[/B]" command for the SX 48/52.  It is a [B]write[/B] command for the SX 18/20/28.  This is where I think the problem likely resides.  I do not think the simulator is treating this combination as a [B]read[/B] command for the SX 48/52.

It is my expectation that the SX simulator will handle the SX 18/20/28 code properly.  

To this date I have not tested any other register commands.

 - Sparks

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