def movlo(self, assembler, instruction, args):
""" `movlo r1, 1336` => r1[15:0] = 1336 """
registers = register.parse_registers(assembler, args, 1, 1)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
immediate = get_immediate(args[2])
instruction[16:] = int_to_bin_fill(immediate, 16)
return instruction
def load(self, assembler, instruction, args):
""" load r1, r2, imm : r1 = Mem(r2+imm) """
registers = register.parse_registers(assembler, args, 1, 2)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
immediate = get_immediate(args[3])
instruction[16:] = int_to_bin_fill(immediate, 16)
return instruction
def addi(self, assembler, instruction, args):
registers = register.parse_registers(assembler, args, 1, 2)
#print(registers)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
immediate = get_immediate(args[-1])
immediate = int_to_bin_fill(immediate, 16)
instruction[16:] = immediate
return instruction
def anon(self, assembler, instruction, args):
registers = register.parse_registers(assembler, args, args_idx,
num_registers)
set_instruction_registers(instruction, registers, dest_start_index)
return instruction
def push(self, assembler, instruction, args):
""" `push r1` => Mem(SP) = r1, SP++ """
assembler.sp_offset += 1
registers = register.parse_registers(assembler, args, 1, 1)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
return instruction
def mul(self, assembler, instruction, args):
registers = register.parse_registers(assembler, args, 1, 3)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
return instruction
def store(self, assembler, instruction, args):
""" store r1, r2 : Mem(r2) = r1 """
registers = register.parse_registers(assembler, args, 1, 2)
set_instruction_registers(instruction, registers, OPCODE_LENGTH)
return instruction