26 lines
843 B
Ruby
26 lines
843 B
Ruby
module Register
|
|
|
|
# SlotToReg moves data into a register from memory.
|
|
# RegToSlot moves data into memory from a register.
|
|
# Both use a base memory (a register)
|
|
|
|
# This is because that is what cpu's can do. In programming terms this would be accessing
|
|
# an element in an array, in the case of SlotToReg setting the value in the array.
|
|
|
|
# btw: to move data between registers, use RegisterTransfer
|
|
|
|
class SlotToReg < Getter
|
|
|
|
end
|
|
|
|
# Produce a SlotToReg instruction.
|
|
# Array and to are registers or symbols that can be transformed to a register by resolve_to_register
|
|
# index resolves with resolve_index.
|
|
def self.slot_to_reg source , array , index , to
|
|
index = resolve_index( array , index)
|
|
array = resolve_to_register array
|
|
to = resolve_to_register to
|
|
SlotToReg.new( source , array , index , to)
|
|
end
|
|
end
|