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processor_state:mobile_index_registers [2008/12/17 13:29] (current)
scott created
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 +====== Mobile Index Registers ======
 +The processor contains four internal eight digit index registers known as the Mobile Index Registers.  Unlike IX1, IX2 and IX3 which are part of the program address space, the mobile index registers (IX4, IX5, IX6 and IX7) are located within the processor and are loaded from memory with the [[instructions:lix|LIX]] instruction and stored into memory by the [[instructions:six|SIX]] instruction.  The mobile index registers are preserved in the [[processor_state:reinstate_list|Reinstate List Entry]] when a task switch occurs and are stored in the target environment stack for the function invoked by a [[instructions:bct|Branch Communicate]] or [[instructions:hcl|Hypercall]] instruction and restored by the [[instructions:ret|Return]] instruction.
processor_state/mobile_index_registers.txt ยท Last modified: 2008/12/17 13:29 by scott
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