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pokecrystal/extras/gbz80disasm.py

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28 KiB
Python
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# -*- coding: utf-8 -*-
import os
import sys
from copy import copy, deepcopy
from ctypes import c_int8
import random
import json
from wram import *
# New versions of json don't have read anymore.
if not hasattr(json, "read"):
json.read = json.loads
def load_rom(filename="../baserom.gbc"):
global rom
rom = bytearray(open(filename,'rb').read())
return rom
spacing = "\t"
temp_opt_table = [
[ "ADC A", 0x8f, 0 ],
[ "ADC B", 0x88, 0 ],
[ "ADC C", 0x89, 0 ],
[ "ADC D", 0x8a, 0 ],
[ "ADC E", 0x8b, 0 ],
[ "ADC H", 0x8c, 0 ],
[ "ADC [HL]", 0x8e, 0 ],
[ "ADC L", 0x8d, 0 ],
[ "ADC x", 0xce, 1 ],
[ "ADD A", 0x87, 0 ],
[ "ADD B", 0x80, 0 ],
[ "ADD C", 0x81, 0 ],
[ "ADD D", 0x82, 0 ],
[ "ADD E", 0x83, 0 ],
[ "ADD H", 0x84, 0 ],
[ "ADD [HL]", 0x86, 0 ],
[ "ADD HL, BC", 0x9, 0 ],
[ "ADD HL, DE", 0x19, 0 ],
[ "ADD HL, HL", 0x29, 0 ],
[ "ADD HL, SP", 0x39, 0 ],
[ "ADD L", 0x85, 0 ],
[ "ADD SP, x", 0xe8, 1 ],
[ "ADD x", 0xc6, 1 ],
[ "AND A", 0xa7, 0 ],
[ "AND B", 0xa0, 0 ],
[ "AND C", 0xa1, 0 ],
[ "AND D", 0xa2, 0 ],
[ "AND E", 0xa3, 0 ],
[ "AND H", 0xa4, 0 ],
[ "AND [HL]", 0xa6, 0 ],
[ "AND L", 0xa5, 0 ],
[ "AND x", 0xe6, 1 ],
[ "BIT 0, A", 0x47cb, 3 ],
[ "BIT 0, B", 0x40cb, 3 ],
[ "BIT 0, C", 0x41cb, 3 ],
[ "BIT 0, D", 0x42cb, 3 ],
[ "BIT 0, E", 0x43cb, 3 ],
[ "BIT 0, H", 0x44cb, 3 ],
[ "BIT 0, [HL]", 0x46cb, 3 ],
[ "BIT 0, L", 0x45cb, 3 ],
[ "BIT 1, A", 0x4fcb, 3 ],
[ "BIT 1, B", 0x48cb, 3 ],
[ "BIT 1, C", 0x49cb, 3 ],
[ "BIT 1, D", 0x4acb, 3 ],
[ "BIT 1, E", 0x4bcb, 3 ],
[ "BIT 1, H", 0x4ccb, 3 ],
[ "BIT 1, [HL]", 0x4ecb, 3 ],
[ "BIT 1, L", 0x4dcb, 3 ],
[ "BIT 2, A", 0x57cb, 3 ],
[ "BIT 2, B", 0x50cb, 3 ],
[ "BIT 2, C", 0x51cb, 3 ],
[ "BIT 2, D", 0x52cb, 3 ],
[ "BIT 2, E", 0x53cb, 3 ],
[ "BIT 2, H", 0x54cb, 3 ],
[ "BIT 2, [HL]", 0x56cb, 3 ],
[ "BIT 2, L", 0x55cb, 3 ],
[ "BIT 3, A", 0x5fcb, 3 ],
[ "BIT 3, B", 0x58cb, 3 ],
[ "BIT 3, C", 0x59cb, 3 ],
[ "BIT 3, D", 0x5acb, 3 ],
[ "BIT 3, E", 0x5bcb, 3 ],
[ "BIT 3, H", 0x5ccb, 3 ],
[ "BIT 3, [HL]", 0x5ecb, 3 ],
[ "BIT 3, L", 0x5dcb, 3 ],
[ "BIT 4, A", 0x67cb, 3 ],
[ "BIT 4, B", 0x60cb, 3 ],
[ "BIT 4, C", 0x61cb, 3 ],
[ "BIT 4, D", 0x62cb, 3 ],
[ "BIT 4, E", 0x63cb, 3 ],
[ "BIT 4, H", 0x64cb, 3 ],
[ "BIT 4, [HL]", 0x66cb, 3 ],
[ "BIT 4, L", 0x65cb, 3 ],
[ "BIT 5, A", 0x6fcb, 3 ],
[ "BIT 5, B", 0x68cb, 3 ],
[ "BIT 5, C", 0x69cb, 3 ],
[ "BIT 5, D", 0x6acb, 3 ],
[ "BIT 5, E", 0x6bcb, 3 ],
[ "BIT 5, H", 0x6ccb, 3 ],
[ "BIT 5, [HL]", 0x6ecb, 3 ],
[ "BIT 5, L", 0x6dcb, 3 ],
[ "BIT 6, A", 0x77cb, 3 ],
[ "BIT 6, B", 0x70cb, 3 ],
[ "BIT 6, C", 0x71cb, 3 ],
[ "BIT 6, D", 0x72cb, 3 ],
[ "BIT 6, E", 0x73cb, 3 ],
[ "BIT 6, H", 0x74cb, 3 ],
[ "BIT 6, [HL]", 0x76cb, 3 ],
[ "BIT 6, L", 0x75cb, 3 ],
[ "BIT 7, A", 0x7fcb, 3 ],
[ "BIT 7, B", 0x78cb, 3 ],
[ "BIT 7, C", 0x79cb, 3 ],
[ "BIT 7, D", 0x7acb, 3 ],
[ "BIT 7, E", 0x7bcb, 3 ],
[ "BIT 7, H", 0x7ccb, 3 ],
[ "BIT 7, [HL]", 0x7ecb, 3 ],
[ "BIT 7, L", 0x7dcb, 3 ],
[ "CALL C, ?", 0xdc, 2 ],
[ "CALL NC, ?", 0xd4, 2 ],
[ "CALL NZ, ?", 0xc4, 2 ],
[ "CALL Z, ?", 0xcc, 2 ],
[ "CALL ?", 0xcd, 2 ],
[ "CCF", 0x3f, 0 ],
[ "CP A", 0xbf, 0 ],
[ "CP B", 0xb8, 0 ],
[ "CP C", 0xb9, 0 ],
[ "CP D", 0xba, 0 ],
[ "CP E", 0xbb, 0 ],
[ "CP H", 0xbc, 0 ],
[ "CP [HL]", 0xbe, 0 ],
[ "CPL", 0x2f, 0 ],
[ "CP L", 0xbd, 0 ],
[ "CP x", 0xfe, 1 ],
[ "DAA", 0x27, 0 ],
[ "DEBUG", 0xed, 0 ],
[ "DEC A", 0x3d, 0 ],
[ "DEC B", 0x5, 0 ],
[ "DEC BC", 0xb, 0 ],
[ "DEC C", 0xd, 0 ],
[ "DEC D", 0x15, 0 ],
[ "DEC DE", 0x1b, 0 ],
[ "DEC E", 0x1d, 0 ],
[ "DEC H", 0x25, 0 ],
[ "DEC HL", 0x2b, 0 ],
[ "DEC [HL]", 0x35, 0 ],
[ "DEC L", 0x2d, 0 ],
[ "DEC SP", 0x3b, 0 ],
[ "DI", 0xf3, 0 ],
[ "EI", 0xfb, 0 ],
[ "HALT", 0x76, 0 ],
[ "INC A", 0x3c, 0 ],
[ "INC B", 0x4, 0 ],
[ "INC BC", 0x3, 0 ],
[ "INC C", 0xc, 0 ],
[ "INC D", 0x14, 0 ],
[ "INC DE", 0x13, 0 ],
[ "INC E", 0x1c, 0 ],
[ "INC H", 0x24, 0 ],
[ "INC HL", 0x23, 0 ],
[ "INC [HL]", 0x34, 0 ],
[ "INC L", 0x2c, 0 ],
[ "INC SP", 0x33, 0 ],
[ "JP C, ?", 0xda, 2 ],
[ "JP [HL]", 0xe9, 0 ],
[ "JP NC, ?", 0xd2, 2 ],
[ "JP NZ, ?", 0xc2, 2 ],
[ "JP Z, ?", 0xca, 2 ],
[ "JP ?", 0xc3, 2 ],
[ "JR C, x", 0x38, 1 ],
[ "JR NC, x", 0x30, 1 ],
[ "JR NZ, x", 0x20, 1 ],
[ "JR Z, x", 0x28, 1 ],
[ "JR x", 0x18, 1 ],
[ "LD A, A", 0x7f, 0 ],
[ "LD A, B", 0x78, 0 ],
[ "LD A, C", 0x79, 0 ],
[ "LD A, D", 0x7a, 0 ],
[ "LD A, E", 0x7b, 0 ],
[ "LD A, H", 0x7c, 0 ],
[ "LD A, L", 0x7d, 0 ],
[ "LD A, [$FF00+C]", 0xf2, 0 ],
[ "LD A, [$FF00+x]", 0xf0, 1 ],
# [ "LDH A, [x]", 0xf0, 1 ], # rgbds has trouble with this one?
[ "LD A, [BC]", 0xa, 0 ],
[ "LD A, [DE]", 0x1a, 0 ],
# [ "LD A, [HL+]", 0x2a, 0 ],
# [ "LD A, [HL-]", 0x3a, 0 ],
[ "LD A, [HL]", 0x7e, 0 ],
[ "LD A, [HLD]", 0x3a, 0 ],
[ "LD A, [HLI]", 0x2a, 0 ],
[ "LD A, [?]", 0xfa, 2 ],
[ "LD A, x", 0x3e, 1 ],
[ "LD B, A", 0x47, 0 ],
[ "LD B, B", 0x40, 0 ],
[ "LD B, C", 0x41, 0 ],
[ "LD [BC], A", 0x2, 0 ],
[ "LD B, D", 0x42, 0 ],
[ "LD B, E", 0x43, 0 ],
[ "LD B, H", 0x44, 0 ],
[ "LD B, [HL]", 0x46, 0 ],
[ "LD B, L", 0x45, 0 ],
[ "LD B, x", 0x6, 1 ],
[ "LD C, A", 0x4f, 0 ],
[ "LD C, B", 0x48, 0 ],
[ "LD C, C", 0x49, 0 ],
[ "LD C, D", 0x4a, 0 ],
[ "LD C, E", 0x4b, 0 ],
[ "LD C, H", 0x4c, 0 ],
[ "LD C, [HL]", 0x4e, 0 ],
[ "LD C, L", 0x4d, 0 ],
[ "LD C, x", 0xe, 1 ],
[ "LD D, A", 0x57, 0 ],
# [ "LDD A, [HL]", 0x3a, 0 ],
[ "LD D, B", 0x50, 0 ],
[ "LD D, C", 0x51, 0 ],
[ "LD D, D", 0x52, 0 ],
[ "LD D, E", 0x53, 0 ],
[ "LD [DE], A", 0x12, 0 ],
[ "LD D, H", 0x54, 0 ],
[ "LD D, [HL]", 0x56, 0 ],
# [ "LDD [HL], A", 0x32, 0 ],
[ "LD D, L", 0x55, 0 ],
[ "LD D, x", 0x16, 1 ],
[ "LD E, A", 0x5f, 0 ],
[ "LD E, B", 0x58, 0 ],
[ "LD E, C", 0x59, 0 ],
[ "LD E, D", 0x5a, 0 ],
[ "LD E, E", 0x5b, 0 ],
[ "LD E, H", 0x5c, 0 ],
[ "LD E, [HL]", 0x5e, 0 ],
[ "LD E, L", 0x5d, 0 ],
[ "LD E, x", 0x1e, 1 ],
[ "LD [$FF00+C], A", 0xe2, 0 ],
[ "LD [$FF00+x], A", 0xe0, 1 ],
# [ "LDH [x], A", 0xe0, 1 ],
[ "LD H, A", 0x67, 0 ],
[ "LD H, B", 0x60, 0 ],
[ "LD H, C", 0x61, 0 ],
[ "LD H, D", 0x62, 0 ],
[ "LD H, E", 0x63, 0 ],
[ "LD H, H", 0x64, 0 ],
[ "LD H, [HL]", 0x66, 0 ],
[ "LD H, L", 0x65, 0 ],
# [ "LD [HL+], A", 0x22, 0 ],
# [ "LD [HL-], A", 0x32, 0 ],
[ "LD [HL], A", 0x77, 0 ],
[ "LD [HL], B", 0x70, 0 ],
[ "LD [HL], C", 0x71, 0 ],
[ "LD [HL], D", 0x72, 0 ],
[ "LD [HLD], A", 0x32, 0 ],
[ "LD [HL], E", 0x73, 0 ],
[ "LD [HL], H", 0x74, 0 ],
[ "LD [HLI], A", 0x22, 0 ],
[ "LD [HL], L", 0x75, 0 ],
# [ "LD HL, SP+x", 0xf8, 1 ], # rgbds uses [sp+x]
[ "LD HL, [SP+x]", 0xf8, 1 ],
[ "LD [HL], x", 0x36, 1 ],
[ "LD H, x", 0x26, 1 ],
# [ "LDI A, [HL]", 0x2a, 0 ],
# [ "LDI [HL], A", 0x22, 0 ],
[ "LD L, A", 0x6f, 0 ],
[ "LD L, B", 0x68, 0 ],
[ "LD L, C", 0x69, 0 ],
[ "LD L, D", 0x6a, 0 ],
[ "LD L, E", 0x6b, 0 ],
[ "LD L, H", 0x6c, 0 ],
[ "LD L, [HL]", 0x6e, 0 ],
[ "LD L, L", 0x6d, 0 ],
[ "LD L, x", 0x2e, 1 ],
# [ "LD PC, HL", 0xe9, 0 ], #prefer jp [hl]
[ "LD SP, HL", 0xf9, 0 ],
[ "LD BC, ?", 0x1, 2 ],
[ "LD DE, ?", 0x11, 2 ],
[ "LD HL, ?", 0x21, 2 ],
[ "LD SP, ?", 0x31, 2 ],
[ "LD [?], SP", 0x8, 2 ],
[ "LD [?], A", 0xea, 2 ],
[ "NOP", 0x0, 0 ],
[ "OR A", 0xb7, 0 ],
[ "OR B", 0xb0, 0 ],
[ "OR C", 0xb1, 0 ],
[ "OR D", 0xb2, 0 ],
[ "OR E", 0xb3, 0 ],
[ "OR H", 0xb4, 0 ],
[ "OR [HL]", 0xb6, 0 ],
[ "OR L", 0xb5, 0 ],
[ "OR x", 0xf6, 1 ],
[ "POP AF", 0xf1, 0 ],
[ "POP BC", 0xc1, 0 ],
[ "POP DE", 0xd1, 0 ],
[ "POP HL", 0xe1, 0 ],
[ "PUSH AF", 0xf5, 0 ],
[ "PUSH BC", 0xc5, 0 ],
[ "PUSH DE", 0xd5, 0 ],
[ "PUSH HL", 0xe5, 0 ],
[ "RES 0, A", 0x87cb, 3 ],
[ "RES 0, B", 0x80cb, 3 ],
[ "RES 0, C", 0x81cb, 3 ],
[ "RES 0, D", 0x82cb, 3 ],
[ "RES 0, E", 0x83cb, 3 ],
[ "RES 0, H", 0x84cb, 3 ],
[ "RES 0, [HL]", 0x86cb, 3 ],
[ "RES 0, L", 0x85cb, 3 ],
[ "RES 1, A", 0x8fcb, 3 ],
[ "RES 1, B", 0x88cb, 3 ],
[ "RES 1, C", 0x89cb, 3 ],
[ "RES 1, D", 0x8acb, 3 ],
[ "RES 1, E", 0x8bcb, 3 ],
[ "RES 1, H", 0x8ccb, 3 ],
[ "RES 1, [HL]", 0x8ecb, 3 ],
[ "RES 1, L", 0x8dcb, 3 ],
[ "RES 2, A", 0x97cb, 3 ],
[ "RES 2, B", 0x90cb, 3 ],
[ "RES 2, C", 0x91cb, 3 ],
[ "RES 2, D", 0x92cb, 3 ],
[ "RES 2, E", 0x93cb, 3 ],
[ "RES 2, H", 0x94cb, 3 ],
[ "RES 2, [HL]", 0x96cb, 3 ],
[ "RES 2, L", 0x95cb, 3 ],
[ "RES 3, A", 0x9fcb, 3 ],
[ "RES 3, B", 0x98cb, 3 ],
[ "RES 3, C", 0x99cb, 3 ],
[ "RES 3, D", 0x9acb, 3 ],
[ "RES 3, E", 0x9bcb, 3 ],
[ "RES 3, H", 0x9ccb, 3 ],
[ "RES 3, [HL]", 0x9ecb, 3 ],
[ "RES 3, L", 0x9dcb, 3 ],
[ "RES 4, A", 0xa7cb, 3 ],
[ "RES 4, B", 0xa0cb, 3 ],
[ "RES 4, C", 0xa1cb, 3 ],
[ "RES 4, D", 0xa2cb, 3 ],
[ "RES 4, E", 0xa3cb, 3 ],
[ "RES 4, H", 0xa4cb, 3 ],
[ "RES 4, [HL]", 0xa6cb, 3 ],
[ "RES 4, L", 0xa5cb, 3 ],
[ "RES 5, A", 0xafcb, 3 ],
[ "RES 5, B", 0xa8cb, 3 ],
[ "RES 5, C", 0xa9cb, 3 ],
[ "RES 5, D", 0xaacb, 3 ],
[ "RES 5, E", 0xabcb, 3 ],
[ "RES 5, H", 0xaccb, 3 ],
[ "RES 5, [HL]", 0xaecb, 3 ],
[ "RES 5, L", 0xadcb, 3 ],
[ "RES 6, A", 0xb7cb, 3 ],
[ "RES 6, B", 0xb0cb, 3 ],
[ "RES 6, C", 0xb1cb, 3 ],
[ "RES 6, D", 0xb2cb, 3 ],
[ "RES 6, E", 0xb3cb, 3 ],
[ "RES 6, H", 0xb4cb, 3 ],
[ "RES 6, [HL]", 0xb6cb, 3 ],
[ "RES 6, L", 0xb5cb, 3 ],
[ "RES 7, A", 0xbfcb, 3 ],
[ "RES 7, B", 0xb8cb, 3 ],
[ "RES 7, C", 0xb9cb, 3 ],
[ "RES 7, D", 0xbacb, 3 ],
[ "RES 7, E", 0xbbcb, 3 ],
[ "RES 7, H", 0xbccb, 3 ],
[ "RES 7, [HL]", 0xbecb, 3 ],
[ "RES 7, L", 0xbdcb, 3 ],
[ "RETI", 0xd9, 0 ],
[ "RET C", 0xd8, 0 ],
[ "RET NC", 0xd0, 0 ],
[ "RET NZ", 0xc0, 0 ],
[ "RET Z", 0xc8, 0 ],
[ "RET", 0xc9, 0 ],
[ "RLA", 0x17, 0 ],
[ "RL A", 0x17cb, 3 ],
[ "RL B", 0x10cb, 3 ],
[ "RL C", 0x11cb, 3 ],
[ "RLCA", 0x7, 0 ],
[ "RLC A", 0x7cb, 3 ],
[ "RLC B", 0xcb, 3 ],
[ "RLC C", 0x1cb, 3 ],
[ "RLC D", 0x2cb, 3 ],
[ "RLC E", 0x3cb, 3 ],
[ "RLC H", 0x4cb, 3 ],
[ "RLC [HL]", 0x6cb, 3 ],
[ "RLC L", 0x5cb, 3 ],
[ "RL D", 0x12cb, 3 ],
[ "RL E", 0x13cb, 3 ],
[ "RL H", 0x14cb, 3 ],
[ "RL [HL]", 0x16cb, 3 ],
[ "RL L", 0x15cb, 3 ],
[ "RRA", 0x1f, 0 ],
[ "RR A", 0x1fcb, 3 ],
[ "RR B", 0x18cb, 3 ],
[ "RR C", 0x19cb, 3 ],
[ "RRCA", 0xf, 0 ],
[ "RRC A", 0xfcb, 3 ],
[ "RRC B", 0x8cb, 3 ],
[ "RRC C", 0x9cb, 3 ],
[ "RRC D", 0xacb, 3 ],
[ "RRC E", 0xbcb, 3 ],
[ "RRC H", 0xccb, 3 ],
[ "RRC [HL]", 0xecb, 3 ],
[ "RRC L", 0xdcb, 3 ],
[ "RR D", 0x1acb, 3 ],
[ "RR E", 0x1bcb, 3 ],
[ "RR H", 0x1ccb, 3 ],
[ "RR [HL]", 0x1ecb, 3 ],
[ "RR L", 0x1dcb, 3 ],
[ "RST $0", 0xc7, 0 ],
[ "RST $10", 0xd7, 0 ],
[ "RST $18", 0xdf, 0 ],
[ "RST $20", 0xe7, 0 ],
[ "RST $28", 0xef, 0 ],
[ "RST $30", 0xf7, 0 ],
[ "RST $38", 0xff, 0 ],
[ "RST $8", 0xcf, 0 ],
[ "SBC A", 0x9f, 0 ],
[ "SBC B", 0x98, 0 ],
[ "SBC C", 0x99, 0 ],
[ "SBC D", 0x9a, 0 ],
[ "SBC E", 0x9b, 0 ],
[ "SBC H", 0x9c, 0 ],
[ "SBC [HL]", 0x9e, 0 ],
[ "SBC L", 0x9d, 0 ],
[ "SBC x", 0xde, 1 ],
[ "SCF", 0x37, 0 ],
[ "SET 0, A", 0xc7cb, 3 ],
[ "SET 0, B", 0xc0cb, 3 ],
[ "SET 0, C", 0xc1cb, 3 ],
[ "SET 0, D", 0xc2cb, 3 ],
[ "SET 0, E", 0xc3cb, 3 ],
[ "SET 0, H", 0xc4cb, 3 ],
[ "SET 0, [HL]", 0xc6cb, 3 ],
[ "SET 0, L", 0xc5cb, 3 ],
[ "SET 1, A", 0xcfcb, 3 ],
[ "SET 1, B", 0xc8cb, 3 ],
[ "SET 1, C", 0xc9cb, 3 ],
[ "SET 1, D", 0xcacb, 3 ],
[ "SET 1, E", 0xcbcb, 3 ],
[ "SET 1, H", 0xcccb, 3 ],
[ "SET 1, [HL]", 0xcecb, 3 ],
[ "SET 1, L", 0xcdcb, 3 ],
[ "SET 2, A", 0xd7cb, 3 ],
[ "SET 2, B", 0xd0cb, 3 ],
[ "SET 2, C", 0xd1cb, 3 ],
[ "SET 2, D", 0xd2cb, 3 ],
[ "SET 2, E", 0xd3cb, 3 ],
[ "SET 2, H", 0xd4cb, 3 ],
[ "SET 2, [HL]", 0xd6cb, 3 ],
[ "SET 2, L", 0xd5cb, 3 ],
[ "SET 3, A", 0xdfcb, 3 ],
[ "SET 3, B", 0xd8cb, 3 ],
[ "SET 3, C", 0xd9cb, 3 ],
[ "SET 3, D", 0xdacb, 3 ],
[ "SET 3, E", 0xdbcb, 3 ],
[ "SET 3, H", 0xdccb, 3 ],
[ "SET 3, [HL]", 0xdecb, 3 ],
[ "SET 3, L", 0xddcb, 3 ],
[ "SET 4, A", 0xe7cb, 3 ],
[ "SET 4, B", 0xe0cb, 3 ],
[ "SET 4, C", 0xe1cb, 3 ],
[ "SET 4, D", 0xe2cb, 3 ],
[ "SET 4, E", 0xe3cb, 3 ],
[ "SET 4, H", 0xe4cb, 3 ],
[ "SET 4, [HL]", 0xe6cb, 3 ],
[ "SET 4, L", 0xe5cb, 3 ],
[ "SET 5, A", 0xefcb, 3 ],
[ "SET 5, B", 0xe8cb, 3 ],
[ "SET 5, C", 0xe9cb, 3 ],
[ "SET 5, D", 0xeacb, 3 ],
[ "SET 5, E", 0xebcb, 3 ],
[ "SET 5, H", 0xeccb, 3 ],
[ "SET 5, [HL]", 0xeecb, 3 ],
[ "SET 5, L", 0xedcb, 3 ],
[ "SET 6, A", 0xf7cb, 3 ],
[ "SET 6, B", 0xf0cb, 3 ],
[ "SET 6, C", 0xf1cb, 3 ],
[ "SET 6, D", 0xf2cb, 3 ],
[ "SET 6, E", 0xf3cb, 3 ],
[ "SET 6, H", 0xf4cb, 3 ],
[ "SET 6, [HL]", 0xf6cb, 3 ],
[ "SET 6, L", 0xf5cb, 3 ],
[ "SET 7, A", 0xffcb, 3 ],
[ "SET 7, B", 0xf8cb, 3 ],
[ "SET 7, C", 0xf9cb, 3 ],
[ "SET 7, D", 0xfacb, 3 ],
[ "SET 7, E", 0xfbcb, 3 ],
[ "SET 7, H", 0xfccb, 3 ],
[ "SET 7, [HL]", 0xfecb, 3 ],
[ "SET 7, L", 0xfdcb, 3 ],
[ "SLA A", 0x27cb, 3 ],
[ "SLA B", 0x20cb, 3 ],
[ "SLA C", 0x21cb, 3 ],
[ "SLA D", 0x22cb, 3 ],
[ "SLA E", 0x23cb, 3 ],
[ "SLA H", 0x24cb, 3 ],
[ "SLA [HL]", 0x26cb, 3 ],
[ "SLA L", 0x25cb, 3 ],
[ "SRA A", 0x2fcb, 3 ],
[ "SRA B", 0x28cb, 3 ],
[ "SRA C", 0x29cb, 3 ],
[ "SRA D", 0x2acb, 3 ],
[ "SRA E", 0x2bcb, 3 ],
[ "SRA H", 0x2ccb, 3 ],
[ "SRA [HL]", 0x2ecb, 3 ],
[ "SRA L", 0x2dcb, 3 ],
[ "SRL A", 0x3fcb, 3 ],
[ "SRL B", 0x38cb, 3 ],
[ "SRL C", 0x39cb, 3 ],
[ "SRL D", 0x3acb, 3 ],
[ "SRL E", 0x3bcb, 3 ],
[ "SRL H", 0x3ccb, 3 ],
[ "SRL [HL]", 0x3ecb, 3 ],
[ "SRL L", 0x3dcb, 3 ],
[ "STOP", 0x10, 0 ],
[ "SUB A", 0x97, 0 ],
[ "SUB B", 0x90, 0 ],
[ "SUB C", 0x91, 0 ],
[ "SUB D", 0x92, 0 ],
[ "SUB E", 0x93, 0 ],
[ "SUB H", 0x94, 0 ],
[ "SUB [HL]", 0x96, 0 ],
[ "SUB L", 0x95, 0 ],
[ "SUB x", 0xd6, 1 ],
[ "SWAP A", 0x37cb, 3 ],
[ "SWAP B", 0x30cb, 3 ],
[ "SWAP C", 0x31cb, 3 ],
[ "SWAP D", 0x32cb, 3 ],
[ "SWAP E", 0x33cb, 3 ],
[ "SWAP H", 0x34cb, 3 ],
[ "SWAP [HL]", 0x36cb, 3 ],
[ "SWAP L", 0x35cb, 3 ],
[ "XOR A", 0xaf, 0 ],
[ "XOR B", 0xa8, 0 ],
[ "XOR C", 0xa9, 0 ],
[ "XOR D", 0xaa, 0 ],
[ "XOR E", 0xab, 0 ],
[ "XOR H", 0xac, 0 ],
[ "XOR [HL]", 0xae, 0 ],
[ "XOR L", 0xad, 0 ],
[ "XOR x", 0xee, 1 ],
[ "E", 0x100, -1 ],
]
# construct a more useful version of opt_table
opt_table = {}
for line in temp_opt_table:
opt_table[line[1]] = [line[0], line[2]]
del line
end_08_scripts_with = [
0xc9, #ret
0xd9, #reti
0xe9, #jp hl
#0xc3, #jp
##0x18, #jr
###0xda, 0xe9, 0xd2, 0xc2, 0xca, 0xc3, 0x38, 0x30, 0x20, 0x28, 0x18, 0xd8, 0xd0, 0xc0, 0xc8, 0xc9
]
relative_jumps = [0x38, 0x30, 0x20, 0x28, 0x18, 0xc3, 0xda, 0xc2]
relative_unconditional_jumps = [0xc3, 0x18]
call_commands = [0xdc, 0xd4, 0xc4, 0xcc, 0xcd]
all_labels = {}
def load_labels(filename="labels.json"):
global all_labels
# don't re-load labels each time
if all_labels != {}:
return
if os.path.exists(filename):
all_labels = json.read(open(filename, "r").read())
else:
print "You must run crystal.scan_for_predefined_labels() to create \"labels.json\". Trying..."
import crystal
crystal.scan_for_predefined_labels()
def find_label(local_address, bank_id=0):
# keep an integer
if type(local_address) == str:
local_address = int(local_address.replace("$", "0x"), 16)
if local_address < 0x8000:
for label_entry in all_labels:
if get_local_address(label_entry["address"]) == local_address:
if label_entry["bank"] == bank_id or label_entry["bank"] == 0:
return label_entry["label"]
if local_address in wram_labels.keys():
return wram_labels[local_address][-1]
for constants in [gbhw_constants, hram_constants]:
if local_address in constants.keys() and local_address >= 0xff00:
return constants[local_address]
return None
def asm_label(address):
# why using a random value when you can use the address?
return '.asm_%x' % address
def data_label(address):
return '.data_%x' % address
def get_local_address(address):
bank = address / 0x4000
return (address & 0x3fff) + 0x4000 * bool(bank)
def get_global_address(address, bank):
return (address & 0x3fff) + 0x4000 * bank
def output_bank_opcodes(original_offset, max_byte_count=0x4000, include_last_address=True, stop_at=[], debug = False):
#fs = current_address
#b = bank_byte
#in = input_data -- rom
#bank_size = byte_count
#i = offset
#ad = end_address
#a, oa = current_byte_number
# stop_at can be used to supply a list of addresses to not disassemble
# over. This is useful if you know in advance that there are a lot of
# fall-throughs.
load_labels()
load_rom()
bank_id = original_offset / 0x4000
if debug: print "bank id is: " + str(bank_id)
last_hl_address = None #for when we're scanning the main map script
last_a_address = None
used_3d97 = False
global rom
offset = original_offset
current_byte_number = 0 #start from the beginning
#we don't actually have an end address, but we'll just say $4000
end_address = original_offset + max_byte_count
byte_labels = {}
data_tables = {}
first_loop = True
output = ""
keep_reading = True
is_data = False
while offset <= end_address and keep_reading:
current_byte = rom[offset]
maybe_byte = current_byte
# stop at any address
if not first_loop and offset in stop_at:
keep_reading = False
break
#first check if this byte already has a label
#if it does, use the label
#if not, generate a new label
if offset in byte_labels.keys():
line_label = byte_labels[offset]["name"]
byte_labels[offset]["usage"] += 1
output += "\n"
else:
line_label = asm_label(offset)
byte_labels[offset] = {}
byte_labels[offset]["name"] = line_label
byte_labels[offset]["usage"] = 0
byte_labels[offset]["definition"] = True
output += line_label + "\n" #" ; " + hex(offset) + "\n"
#find out if there's a two byte key like this
temp_maybe = maybe_byte
temp_maybe += ( rom[offset+1] << 8)
if not is_data and temp_maybe in opt_table.keys() and rom[offset+1]!=0:
opstr = opt_table[temp_maybe][0].lower()
if "x" in opstr:
for x in range(0, opstr.count("x")):
insertion = rom[offset + 1]
insertion = "$" + hex(insertion)[2:]
opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower()
current_byte += 1
offset += 1
if "?" in opstr:
for y in range(0, opstr.count("?")):
byte1 = rom[offset + 1]
byte2 = rom[offset + 2]
number = byte1
number += byte2 << 8;
insertion = "$%.4x" % (number)
opstr = opstr[:opstr.find("?")].lower() + insertion + opstr[opstr.find("?")+1:].lower()
current_byte_number += 2
offset += 2
output += spacing + opstr #+ " ; " + hex(offset)
output += "\n"
current_byte_number += 2
offset += 2
elif not is_data and maybe_byte in opt_table.keys():
op_code = opt_table[maybe_byte]
op_code_type = op_code[1]
op_code_byte = maybe_byte
#type = -1 when it's the E op
#if op_code_type != -1:
if op_code_type == 0 and rom[offset] == op_code_byte:
op_str = op_code[0].lower()
output += spacing + op_code[0].lower() #+ " ; " + hex(offset)
output += "\n"
offset += 1
current_byte_number += 1
elif op_code_type == 1 and rom[offset] == op_code_byte:
oplen = len(op_code[0])
opstr = copy(op_code[0])
xes = op_code[0].count("x")
include_comment = False
for x in range(0, xes):
insertion = rom[offset + 1]
insertion = "$" + hex(insertion)[2:]
if current_byte == 0x18 or current_byte==0x20 or current_byte in relative_jumps: #jr or jr nz
#generate a label for the byte we're jumping to
target_address = offset + 2 + c_int8(rom[offset + 1]).value
if target_address in byte_labels.keys():
byte_labels[target_address]["usage"] = 1 + byte_labels[target_address]["usage"]
line_label2 = byte_labels[target_address]["name"]
else:
line_label2 = asm_label(target_address)
byte_labels[target_address] = {}
byte_labels[target_address]["name"] = line_label2
byte_labels[target_address]["usage"] = 1
byte_labels[target_address]["definition"] = False
insertion = line_label2
if has_outstanding_labels(byte_labels) and all_outstanding_labels_are_reverse(byte_labels, offset):
include_comment = True
elif current_byte == 0x3e:
last_a_address = rom[offset + 1]
opstr = opstr[:opstr.find("x")].lower() + insertion + opstr[opstr.find("x")+1:].lower()
# because the $ff00+$ff syntax is silly
if opstr.count("$") > 1 and "+" in opstr:
first_orig = opstr[opstr.find("$"):opstr.find("+")]
first_val = eval(first_orig.replace("$","0x"))
second_orig = opstr[opstr.find("+$")+1:opstr.find("]")]
second_val = eval(second_orig.replace("$","0x"))
combined_val = "$%.4x" % (first_val + second_val)
result = find_label(combined_val, bank_id)
if result != None:
combined_val = result
replacetron = "[%s+%s]" % (first_orig, second_orig)
opstr = opstr.replace(replacetron, "[%s]" % combined_val)
output += spacing + opstr
if include_comment:
output += " ; " + hex(offset)
if current_byte in relative_jumps:
output += " $" + hex(rom[offset + 1])[2:]
output += "\n"
current_byte_number += 1
offset += 1
insertion = ""
current_byte_number += 1
offset += 1
include_comment = False
elif op_code_type == 2 and rom[offset] == op_code_byte:
oplen = len(op_code[0])
opstr = copy(op_code[0])
qes = op_code[0].count("?")
for x in range(0, qes):
byte1 = rom[offset + 1]
byte2 = rom[offset + 2]
number = byte1
number += byte2 << 8
pointer = get_global_address(number, bank_id)
if pointer not in data_tables.keys():
data_tables[pointer] = {}
data_tables[pointer]['usage'] = 0
else:
data_tables[pointer]['usage'] += 1
insertion = "$%.4x" % (number)
result = find_label(insertion, bank_id)
if result != None:
insertion = result
opstr = opstr[:opstr.find("?")].lower() + insertion + opstr[opstr.find("?")+1:].lower()
output += spacing + opstr #+ " ; " + hex(offset)
output += "\n"
current_byte_number += 2
offset += 2
current_byte_number += 1
offset += 1
if current_byte == 0x21:
last_hl_address = byte1 + (byte2 << 8)
if current_byte == 0xcd:
if number == 0x3d97: used_3d97 = True
#duck out if this is jp $24d7
if current_byte == 0xc3 or current_byte in relative_unconditional_jumps:
if current_byte == 0xc3:
if number == 0x3d97: used_3d97 = True
#if number == 0x24d7: #jp
if not has_outstanding_labels(byte_labels) or all_outstanding_labels_are_reverse(byte_labels, offset):
keep_reading = False
is_data = False
break
else:
is_data = True
else:
#if is_data and keep_reading:
output += spacing + "db $" + hex(rom[offset])[2:] #+ " ; " + hex(offset)
output += "\n"
offset += 1
current_byte_number += 1
if offset in byte_labels.keys():
is_data = False
keep_reading = True
#else the while loop would have spit out the opcode
#these two are done prior
#offset += 1
#current_byte_number += 1
if not is_data and current_byte in relative_unconditional_jumps + end_08_scripts_with:
#stop reading at a jump, relative jump or return
if not has_outstanding_labels(byte_labels) or all_outstanding_labels_are_reverse(byte_labels, offset):
keep_reading = False
is_data = False #cleanup
break
elif offset not in byte_labels.keys() or offset in data_tables.keys():
is_data = True
keep_reading = True
else:
is_data = False
keep_reading = True
output += "\n"
elif is_data and offset not in byte_labels.keys():
is_data = True
keep_reading = True
else:
is_data = False
keep_reading = True
if offset in data_tables.keys():
output = output.replace('$%x' % (get_local_address(offset)), data_label(offset))
output += data_label(offset) + '\n'
is_data = True
keep_reading = True
first_loop = False
#clean up unused labels
for label_line in byte_labels.keys():
address = label_line
label_line = byte_labels[label_line]
if label_line["usage"] == 0:
output = output.replace((label_line["name"] + "\n"), "")
#tone down excessive spacing
output = output.replace("\n\n\n","\n\n")
#add the offset of the final location
if include_last_address:
output += "; " + hex(offset)
return (output, offset, last_hl_address, last_a_address, used_3d97)
def has_outstanding_labels(byte_labels):
"""
If a label is used once in the asm output, then that means it has to be
called or specified later.
"""
for label_line in byte_labels.keys():
real_line = byte_labels[label_line]
if real_line["definition"] == False: return True
return False
def all_outstanding_labels_are_reverse(byte_labels, offset):
for label_id in byte_labels.keys():
line = byte_labels[label_id] # label_id is also the address
if line["definition"] == False:
if not label_id < offset: return False
return True
if __name__ == "__main__":
addr = sys.argv[1]
if ":" in addr:
addr = addr.split(":")
addr = int(addr[0], 16)*0x4000+(int(addr[1], 16)%0x4000)
else:
addr = int(addr, 16)
print output_bank_opcodes(addr)[0]
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