def translate(self):
code_pkg = CodePackage()
code_pkg.op_code = NumericValue(self.instruction.mode.rel)
if self.value.is_type(ValueType.ADDRESS):
code_pkg.additional = self.value
code_pkg.size = self.instruction.mode.rel_sz
return code_pkg
def translate(self):
code_pkg = CodePackage()
code_pkg.op_code = NumericValue(self.instruction.mode.imm)
code_pkg.size = self.instruction.mode.imm_sz
code_pkg.post_byte = 0x00
if self.instruction.mnemonic == "PSHS" or self.instruction.mnemonic == "PULS":
if not self.operand_string:
raise ValueError("one or more registers must be specified")
registers = self.operand_string.split(",")
for register in registers:
if register not in REGISTERS:
raise ValueError("[{}] unknown register".format(register))
code_pkg.post_byte |= 0x06 if register == "D" else 0x00
code_pkg.post_byte |= 0x01 if register == "CC" else 0x00
code_pkg.post_byte |= 0x02 if register == "A" else 0x00
code_pkg.post_byte |= 0x04 if register == "B" else 0x00
code_pkg.post_byte |= 0x08 if register == "DP" else 0x00
code_pkg.post_byte |= 0x10 if register == "X" else 0x00
code_pkg.post_byte |= 0x20 if register == "Y" else 0x00
code_pkg.post_byte |= 0x40 if register == "U" else 0x00
code_pkg.post_byte |= 0x80 if register == "PC" else 0x00
if self.instruction.mnemonic == "EXG" or self.instruction.mnemonic == "TFR":
registers = self.operand_string.split(",")
if len(registers) != 2:
raise ValueError("[{}] requires exactly 2 registers".format(
self.instruction.mnemonic))
if registers[0] not in REGISTERS:
raise ValueError("[{}] unknown register".format(registers[0]))
if registers[1] not in REGISTERS:
raise ValueError("[{}] unknown register".format(registers[1]))
code_pkg.post_byte |= 0x00 if registers[0] == "D" else 0x00
code_pkg.post_byte |= 0x00 if registers[1] == "D" else 0x00
code_pkg.post_byte |= 0x10 if registers[0] == "X" else 0x00
code_pkg.post_byte |= 0x01 if registers[1] == "X" else 0x00
code_pkg.post_byte |= 0x20 if registers[0] == "Y" else 0x00
code_pkg.post_byte |= 0x02 if registers[1] == "Y" else 0x00
code_pkg.post_byte |= 0x30 if registers[0] == "U" else 0x00
code_pkg.post_byte |= 0x03 if registers[1] == "U" else 0x00
code_pkg.post_byte |= 0x40 if registers[0] == "S" else 0x00
code_pkg.post_byte |= 0x04 if registers[1] == "S" else 0x00
code_pkg.post_byte |= 0x50 if registers[0] == "PC" else 0x00
code_pkg.post_byte |= 0x05 if registers[1] == "PC" else 0x00
code_pkg.post_byte |= 0x80 if registers[0] == "A" else 0x00
code_pkg.post_byte |= 0x08 if registers[1] == "A" else 0x00
code_pkg.post_byte |= 0x90 if registers[0] == "B" else 0x00
code_pkg.post_byte |= 0x09 if registers[1] == "B" else 0x00
code_pkg.post_byte |= 0xA0 if registers[0] == "CC" else 0x00
code_pkg.post_byte |= 0x0A if registers[1] == "CC" else 0x00
code_pkg.post_byte |= 0xB0 if registers[0] == "DP" else 0x00
code_pkg.post_byte |= 0x0B if registers[1] == "DP" else 0x00
if code_pkg.post_byte not in \
[
0x01, 0x10, 0x02, 0x20, 0x03, 0x30, 0x04, 0x40,
0x05, 0x50, 0x12, 0x21, 0x13, 0x31, 0x14, 0x41,
0x15, 0x51, 0x23, 0x32, 0x24, 0x42, 0x25, 0x52,
0x34, 0x43, 0x35, 0x53, 0x45, 0x54, 0x89, 0x98,
0x8A, 0xA8, 0x8B, 0xB8, 0x9A, 0xA9, 0x9B, 0xB9,
0xAB, 0xBA, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55,
0x88, 0x99, 0xAA, 0xBB
]:
raise ValueError("[{}] of [{}] to [{}] not allowed".format(
self.instruction.mnemonic, registers[0], registers[1]))
code_pkg.post_byte = NumericValue(code_pkg.post_byte)
return code_pkg
