27 lines
847 B
Ruby
27 lines
847 B
Ruby
module Risc
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# RegToSlot moves data into memory from a register.
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# SlotToReg moves data into a register from memory.
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# Both use a base memory (a register)
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# This is because that is what cpu's can do. In programming terms this would be accessing
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# an element in an array, in the case of RegToSlot setting the register in the array.
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# btw: to move data between registers, use RiscTransfer
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class RegToSlot < Setter
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end
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# Produce a RegToSlot instruction.
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# From and to are registers or symbols that can be transformed to a register by resolve_to_register
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# index resolves with resolve_to_index.
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def self.reg_to_slot( source , from_reg , to , index )
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from = resolve_to_register from_reg
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index = resolve_to_index( to , index)
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to = resolve_to_register to
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RegToSlot.new( source, from , to , index)
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end
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end
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