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i8080-dasm.py
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i8080-dasm.py
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#!/usr/bin/env python3
import struct, sys, argparse
class switch(object):
value = None
def __new__(class_, value):
class_.value = value
return True
class writer():
def __init__(self, _file):
self.hook = open(_file, 'w')
def write(self, string):
self.hook.write(string)
def close(self):
self.hook.close()
def case(*args):
return any((arg == switch.value for arg in args))
def dasm8080(code, pc, _writer, _listing):
opcode = code[pc]
bytes = '%02x' % (opcode)
size = 1
while switch(opcode):
if case(0x00):
mnemonic = 'NOP'
break
if case(0x01):
mnemonic = 'LXI\tB, #$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x02):
mnemonic = 'STAX\tB'
break
if case(0x03):
mnemonic = 'INX\tB'
break
if case(0x04):
mnemonic = 'INR\tB'
break
if case(0x05):
mnemonic = 'DCR\tB'
break
if case(0x06):
mnemonic = 'MVI\tB, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x07):
mnemonic = 'RLC'
break
if case(0x08):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x09):
mnemonic = 'DAD\tB'
break
if case(0x0A):
mnemonic = 'LDAX\tB'
break
if case(0x0B):
mnemonic = 'DCX\tB'
break
if case(0x0C):
mnemonic = 'INR\tC'
break
if case(0x0D):
mnemonic = 'DCR\tC'
break
if case(0x0E):
mnemonic = 'MVI\tC, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x0F):
mnemonic = 'RRC'
break
if case(0x10):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x11):
mnemonic = 'LXI\tD, #$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x12):
mnemonic = 'STAX\tD'
break
if case(0x13):
mnemonic = 'INX\tD'
break
if case(0x14):
mnemonic = 'INR\tD'
break
if case(0x15):
mnemonic = 'DCR\tD'
break
if case(0x16):
mnemonic = 'MVI\tD, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x17):
mnemonic = 'RAL'
break
if case(0x18):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x19):
mnemonic = 'DAD\tD'
break
if case(0x1A):
mnemonic = 'LDAX\tD'
break
if case(0x1B):
mnemonic = 'DCX\tD'
break
if case(0x1C):
mnemonic = 'INR\tE'
break
if case(0x1D):
mnemonic = 'DCR\tE'
break
if case(0x1E):
mnemonic = 'MVI\tE, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x1F):
mnemonic = 'RAR'
break
if case(0x20):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x21):
mnemonic = 'LXI\tH, #$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x22):
mnemonic = 'SHLD\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x23):
mnemonic = 'INX\tH'
break
if case(0x24):
mnemonic = 'INR\tH'
break
if case(0x25):
mnemonic = 'DCR\tH'
break
if case(0x26):
mnemonic = 'MVI\tH, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x27):
mnemonic = 'DAA'
break
if case(0x28):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x29):
mnemonic = 'DAD\tH'
break
if case(0x2A):
mnemonic = 'LHLD\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x2B):
mnemonic = 'DCX\tH'
break
if case(0x2C):
mnemonic = 'INR\tL'
break
if case(0x2D):
mnemonic = 'DCR\tL'
break
if case(0x2E):
mnemonic = 'MVI\tL, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x2F):
mnemonic = 'CMA'
break
if case(0x30):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x31):
mnemonic = 'LXI\tSP, #$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x32):
mnemonic = 'STA\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x33):
mnemonic = 'INX\tSP'
break
if case(0x34):
mnemonic = 'INR\tM'
break
if case(0x35):
mnemonic = 'DCR\tM'
break
if case(0x36):
mnemonic = 'MVI\tM, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x37):
mnemonic = 'STC'
break
if case(0x38):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0x39):
mnemonic = 'DAD\tSP'
break
if case(0x3A):
mnemonic = 'LDA\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0x3B):
mnemonic = 'DCX\tSP'
break
if case(0x3C):
mnemonic = 'INR\tA'
break
if case(0x3D):
mnemonic = 'DCR\tA'
break
if case(0x3E):
mnemonic = 'MVI\tA, #$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0x3F):
mnemonic = 'CMC'
break
if case(0x40):
mnemonic = 'MOV\tB, B'
break
if case(0x41):
mnemonic = 'MOV\tB, C'
break
if case(0x42):
mnemonic = 'MOV\tB, D'
break
if case(0x43):
mnemonic = 'MOV\tB, E'
break
if case(0x44):
mnemonic = 'MOV\tB, H'
break
if case(0x45):
mnemonic = 'MOV\tB, L'
break
if case(0x46):
mnemonic = 'MOV\tB, M'
break
if case(0x47):
mnemonic = 'MOV\tB, A'
break
if case(0x48):
mnemonic = 'MOV\tC, B'
break
if case(0x49):
mnemonic = 'MOV\tC, C'
break
if case(0x4A):
mnemonic = 'MOV\tC, D'
break
if case(0x4B):
mnemonic = 'MOV\tC, E'
break
if case(0x4C):
mnemonic = 'MOV\tC, H'
break
if case(0x4D):
mnemonic = 'MOV\tC, L'
break
if case(0x4E):
mnemonic = 'MOV\tC, M'
break
if case(0x4F):
mnemonic = 'MOV\tC, A'
break
if case(0x50):
mnemonic = 'MOV\tD, B'
break
if case(0x51):
mnemonic = 'MOV\tD, C'
break
if case(0x52):
mnemonic = 'MOV\tD, D'
break
if case(0x53):
mnemonic = 'MOV\tD, E'
break
if case(0x54):
mnemonic = 'MOV\tD, H'
break
if case(0x55):
mnemonic = 'MOV\tD, L'
break
if case(0x56):
mnemonic = 'MOV\tD, M'
break
if case(0x57):
mnemonic = 'MOV\tD, A'
break
if case(0x58):
mnemonic = 'MOV\tE, B'
break
if case(0x59):
mnemonic = 'MOV\tE, C'
break
if case(0x5A):
mnemonic = 'MOV\tE, D'
break
if case(0x5B):
mnemonic = 'MOV\tE, E'
break
if case(0x5C):
mnemonic = 'MOV\tE, H'
break
if case(0x5D):
mnemonic = 'MOV\tE, L'
break
if case(0x5E):
mnemonic = 'MOV\tE, M'
break
if case(0x5F):
mnemonic = 'MOV\tE, A'
break
if case(0x60):
mnemonic = 'MOV\tH, B'
break
if case(0x61):
mnemonic = 'MOV\tH, C'
break
if case(0x62):
mnemonic = 'MOV\tH, D'
break
if case(0x63):
mnemonic = 'MOV\tH, E'
break
if case(0x64):
mnemonic = 'MOV\tH, H'
break
if case(0x65):
mnemonic = 'MOV\tH, L'
break
if case(0x66):
mnemonic = 'MOV\tH, M'
break
if case(0x67):
mnemonic = 'MOV\tH, A'
break
if case(0x68):
mnemonic = 'MOV\tL, B'
break
if case(0x69):
mnemonic = 'MOV\tL, C'
break
if case(0x6A):
mnemonic = 'MOV\tL, D'
break
if case(0x6B):
mnemonic = 'MOV\tL, E'
break
if case(0x6C):
mnemonic = 'MOV\tL, H'
break
if case(0x6D):
mnemonic = 'MOV\tL, L'
break
if case(0x6E):
mnemonic = 'MOV\tL, M'
break
if case(0x6F):
mnemonic = 'MOV\tL, A'
break
if case(0x70):
mnemonic = 'MOV\tM, B'
break
if case(0x71):
mnemonic = 'MOV\tM, C'
break
if case(0x72):
mnemonic = 'MOV\tM, D'
break
if case(0x73):
mnemonic = 'MOV\tM, E'
break
if case(0x74):
mnemonic = 'MOV\tM, H'
break
if case(0x75):
mnemonic = 'MOV\tM, L'
break
if case(0x76):
mnemonic = 'HLT'
break
if case(0x77):
mnemonic = 'MOV\tM, A'
break
if case(0x78):
mnemonic = 'MOV\tA, B'
break
if case(0x79):
mnemonic = 'MOV\tA, C'
break
if case(0x7A):
mnemonic = 'MOV\tA, D'
break
if case(0x7B):
mnemonic = 'MOV\tA, E'
break
if case(0x7C):
mnemonic = 'MOV\tA, H'
break
if case(0x7D):
mnemonic = 'MOV\tA, L'
break
if case(0x7E):
mnemonic = 'MOV\tA, M'
break
if case(0x7F):
mnemonic = 'MOV\tA, A'
break
if case(0x80):
mnemonic = 'ADD\tB'
break
if case(0x81):
mnemonic = 'ADD\tC'
break
if case(0x82):
mnemonic = 'ADD\tD'
break
if case(0x83):
mnemonic = 'ADD\tE'
break
if case(0x84):
mnemonic = 'ADD\tH'
break
if case(0x85):
mnemonic = 'ADD\tL'
break
if case(0x86):
mnemonic = 'ADD\tM'
break
if case(0x87):
mnemonic = 'ADD\tA'
break
if case(0x88):
mnemonic = 'ADC\tB'
break
if case(0x89):
mnemonic = 'ADC\tC'
break
if case(0x8A):
mnemonic = 'ADC\tD'
break
if case(0x8B):
mnemonic = 'ADC\tE'
break
if case(0x8C):
mnemonic = 'ADC\tH'
break
if case(0x8D):
mnemonic = 'ADC\tL'
break
if case(0x8E):
mnemonic = 'ADC\tM'
break
if case(0x8F):
mnemonic = 'ADC\tA'
break
if case(0x90):
mnemonic = 'SUB\tB'
break
if case(0x91):
mnemonic = 'SUB\tC'
break
if case(0x92):
mnemonic = 'SUB\tD'
break
if case(0x93):
mnemonic = 'SUB\tE'
break
if case(0x94):
mnemonic = 'SUB\tH'
break
if case(0x95):
mnemonic = 'SUB\tL'
break
if case(0x96):
mnemonic = 'SUB\tM'
break
if case(0x97):
mnemonic = 'SUB\tA'
break
if case(0x98):
mnemonic = 'SBB\tB'
break
if case(0x99):
mnemonic = 'SBB\tC'
break
if case(0x9A):
mnemonic = 'SBB\tD'
break
if case(0x9B):
mnemonic = 'SBB\tE'
break
if case(0x9C):
mnemonic = 'SBB\tH'
break
if case(0x9D):
mnemonic = 'SBB\tL'
break
if case(0x9E):
mnemonic = 'SBB\tM'
break
if case(0x9F):
mnemonic = 'SBB\tA'
break
if case(0xA0):
mnemonic = 'ANA\tB'
break
if case(0xA1):
mnemonic = 'ANA\tC'
break
if case(0xA2):
mnemonic = 'ANA\tD'
break
if case(0xA3):
mnemonic = 'ANA\tE'
break
if case(0xA4):
mnemonic = 'ANA\tH'
break
if case(0xA5):
mnemonic = 'ANA\tL'
break
if case(0xA6):
mnemonic = 'ANA\tM'
break
if case(0xA7):
mnemonic = 'ANA\tA'
break
if case(0xA8):
mnemonic = 'XRA\tB'
break
if case(0xA9):
mnemonic = 'XRA\tC'
break
if case(0xAA):
mnemonic = 'XRA\tD'
break
if case(0xAB):
mnemonic = 'XRA\tE'
break
if case(0xAC):
mnemonic = 'XRA\tH'
break
if case(0xAD):
mnemonic = 'XRA\tL'
break
if case(0xAE):
mnemonic = 'XRA\tM'
break
if case(0xAF):
mnemonic = 'XRA\tA'
break
if case(0xB0):
mnemonic = 'ORA\tB'
break
if case(0xB1):
mnemonic = 'ORA\tC'
break
if case(0xB2):
mnemonic = 'ORA\tD'
break
if case(0xB3):
mnemonic = 'ORA\tE'
break
if case(0xB4):
mnemonic = 'ORA\tH'
break
if case(0xB5):
mnemonic = 'ORA\tL'
break
if case(0xB6):
mnemonic = 'ORA\tM'
break
if case(0xB7):
mnemonic = 'ORA\tA'
break
if case(0xB8):
mnemonic = 'CMP\tB'
break
if case(0xB9):
mnemonic = 'CMP\tC'
break
if case(0xBA):
mnemonic = 'CMP\tD'
break
if case(0xBB):
mnemonic = 'CMP\tE'
break
if case(0xBC):
mnemonic = 'CMP\tH'
break
if case(0xBD):
mnemonic = 'CMP\tL'
break
if case(0xBE):
mnemonic = 'CMP\tM'
break
if case(0xBF):
mnemonic = 'CMP\tA'
break
if case(0xC0):
mnemonic = 'RNZ'
break
if case(0xC1):
mnemonic = 'POP\tB'
break
if case(0xC2):
mnemonic = 'JNZ\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xC3):
mnemonic = 'JMP\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xC4):
mnemonic = 'CNZ\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xC5):
mnemonic = 'PUSH\tB'
break
if case(0xC6):
mnemonic = 'ADI\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xC7):
mnemonic = 'RST\t0'
break
if case(0xC8):
mnemonic = 'RZ'
break
if case(0xC9):
mnemonic = 'RET'
break
if case(0xCA):
mnemonic = 'JZ\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xCB):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0xCC):
mnemonic = 'CZ\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xCD):
mnemonic = 'CALL\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xCE):
mnemonic = 'ACI\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xCF):
mnemonic = 'RST\t1'
break
if case(0xD0):
mnemonic = 'RNC'
break
if case(0xD1):
mnemonic = 'POP\tD'
break
if case(0xD2):
mnemonic = 'JNC\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xD3):
mnemonic = 'OUT\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xD4):
mnemonic = 'CNC\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xD5):
mnemonic = 'PUSH\tD'
break
if case(0xD6):
mnemonic = 'SUI\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xD7):
mnemonic = 'RST\t2'
break
if case(0xD8):
mnemonic = 'RC'
break
if case(0xD9):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0xDA):
mnemonic = 'JC\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xDB):
mnemonic = 'IN\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xDC):
mnemonic = 'CC\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break
if case(0xDD):
mnemonic = 'DB $%02x\t;ILLEGAL' % (opcode)
break
if case(0xDE):
mnemonic = 'SBI\t#$%02x' % (code[pc+1])
bytes = '%02x %02x' % (opcode, code[pc+1])
size = 2
break
if case(0xDF):
mnemonic = 'RST\t3'
break
if case(0xE0):
mnemonic = 'RPO'
break
if case(0xE1):
mnemonic = 'POP\tH'
break
if case(0xE2):
mnemonic = 'JPO\t$%02x%02x' % (code[pc+2], code[pc+1])
bytes = '%02x %02x %02x' % (opcode, code[pc+1], code[pc+2])
size = 3
break