rubyx/lib/register/instructions/reg_to_slot.rb
2016-12-28 18:16:39 +02:00

27 lines
844 B
Ruby

module Register
# RegToSlot moves data into memory from a register.
# SlotToReg moves data into a register from memory.
# 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 RegToSlot setting the register in the array.
# btw: to move data between registers, use RegisterTransfer
class RegToSlot < Setter
end
# Produce a RegToSlot instruction.
# From and to are registers or symbols that can be transformed to a register by resolve_to_register
# index resolves with resolve_to_index.
def self.reg_to_slot source , from , to , index
from = resolve_to_register from
index = resolve_to_index( to , index)
to = resolve_to_register to
RegToSlot.new( source, from , to , index)
end
end