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handling_differences.py
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handling_differences.py
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def opcodes():
# Define opcode mappings between Intel 8080 and Arm M0+
opcode_mapping = {
'MOV': {'arm_opcode': 'MOV', 'num_operands': 2}, # Example: 'MOV' instruction remains the same
'ADD': {'arm_opcode': 'ADD', 'num_operands': 2}, # Example: 'ADD' instruction remains the same
# More mappings...
}
# Translate Intel 8080 instruction to Arm M0+ instruction
def translate_instruction(intel_opcode):
mapping = opcode_mapping.get(intel_opcode, None)
if mapping:
return mapping['arm_opcode'], mapping['num_operands']
else:
return None, None
# Example usage
intel_opcode = 'MOV'
arm_opcode, num_operands = translate_instruction(intel_opcode)
print(f"Translated '{intel_opcode}' to '{arm_opcode}' with {num_operands} operands")
intel_opcode = 'ADD'
arm_opcode, num_operands = translate_instruction(intel_opcode)
print(f"Translated '{intel_opcode}' to '{arm_opcode}' with {num_operands} operands")
def addressing():
# Define addressing mode mappings between Intel 8080 and Arm M0+
addressing_mode_mapping = {
'IMM': {'arm_mode': 'IMM', 'size_bytes': 2}, # Immediate addressing mode
'DIR': {'arm_mode': 'REG', 'size_bytes': 1}, # Direct addressing mode maps to register-direct in Arm M0+
'IND': {'arm_mode': 'IND', 'size_bytes': 2}, # Indirect addressing mode remains the same
'IDX': {'arm_mode': 'OFF', 'size_bytes': 2}, # Indexed addressing mode maps to offset addressing mode
# More mappings...
}
# Translate addressing mode from Intel 8080 to Arm M0+
def translate_addressing_mode(intel_mode):
mapping = addressing_mode_mapping.get(intel_mode, None)
if mapping:
return mapping['arm_mode'], mapping['size_bytes']
else:
return None, None
# Example usage
intel_mode = 'IMM'
arm_mode, size_bytes = translate_addressing_mode(intel_mode)
print(f"Translated '{intel_mode}' to '{arm_mode}' with a size of {size_bytes} bytes")
intel_mode = 'DIR'
arm_mode, size_bytes = translate_addressing_mode(intel_mode)
print(f"Translated '{intel_mode}' to '{arm_mode}' with a size of {size_bytes} bytes")
intel_mode = 'IND'
arm_mode, size_bytes = translate_addressing_mode(intel_mode)
print(f"Translated '{intel_mode}' to '{arm_mode}' with a size of {size_bytes} bytes")
intel_mode = 'IDX'
arm_mode, size_bytes = translate_addressing_mode(intel_mode)
print(f"Translated '{intel_mode}' to '{arm_mode}' with a size of {size_bytes} bytes")
def operands():
# Define operand type mappings between Intel 8080 and Arm M0+
operand_mapping = {
'Register': {
'A': 'R0', 'B': 'R1', 'C': 'R2', 'D': 'R3', 'E': 'R4',
'H': 'R5', 'L': 'R6', 'M': 'R7', # 'M' represents memory location pointed to by HL
# Additional mappings...
},
'Register Pair': {
'B': 'R1R2', 'D': 'R3R4', 'H': 'R5R6', # Register pairs BC, DE, HL
# Additional mappings...
},
'Immediate Data': {
'Hexadecimal': {'arm_type': 'HEX', 'size_bits': 8}, # Example: Immediate data in hexadecimal format
'Decimal': {'arm_type': 'DEC', 'size_bits': 8}, # Immediate data in decimal format
'Octal': {'arm_type': 'OCT', 'size_bits': 8}, # Immediate data in octal format
'Binary': {'arm_type': 'BIN', 'size_bits': 8}, # Immediate data in binary format
# Additional mappings...
},
'16-bit Memory Address': {
# Define mappings for addressing modes or specify how memory addresses are represented in Arm M0+ assembly
# Example: 'LABEL' in Intel 8080 can be translated to 'LABEL' or its corresponding memory address in Arm M0+
# Additional mappings...
}
}
# Translate operand from Intel 8080 to Arm M0+
def translate_operand(intel_operand_type, intel_operand_value):
if intel_operand_type in operand_mapping:
mappings = operand_mapping[intel_operand_type]
if intel_operand_value in mappings:
return mappings[intel_operand_value]
else:
# Handle cases like expressions, labels, or other custom operand types
# Example: Evaluate expressions, resolve labels, or apply custom translation rules
# Additional logic...
return None
else:
# Handle unsupported operand types or invalid values
# Additional logic...
return None
# Example usage
intel_operand_type = 'Immediate Data'
intel_operand_value = 'Hexadecimal'
arm_operand = translate_operand(intel_operand_type, intel_operand_value)
print(f"Translated '{intel_operand_value}' to '{arm_operand}'")
def test_specification():
opcodes()
addressing()
operands()
test_specification()