diff --git a/src/Ophis/Opcodes.py b/src/Ophis/Opcodes.py
index 0dc45a7..4ff55af 100644
--- a/src/Ophis/Opcodes.py
+++ b/src/Ophis/Opcodes.py
@@ -7,6 +7,10 @@
 # You may use, modify, and distribute this file under the MIT
 # license: See README for details.
 
+# DO NOT EDIT THIS FILE DIRECTLY.
+# This file was automatically generated by gensets.py based on the
+# the tables in tools/opcodes. Edit those tables, not these.
+
 # Names of addressing modes
 modes = ["Implied",         #  0
          "Immediate",       #  1
@@ -96,6 +100,7 @@ undocops = {
             'las': [None, None, None, None, None, None, None, 0xBB, None, None, None, None, None, None, None],
             'lax': [None, None, 0xA7, None, 0xB7, 0xAF, None, 0xBF, None, None, None, None, 0xA3, 0xB3, None],
             'lxa': [None, 0xAB, None, None, None, None, None, None, None, None, None, None, None, None, None],
+            'nop': [0xEA, None, 0x04, None, None, None, None, None, None, None, None, None, None, None, None],
             'rla': [None, None, 0x27, 0x37, None, 0x2F, 0x3F, 0x3B, None, None, None, None, 0x23, 0x33, None],
             'rra': [None, None, 0x67, 0x77, None, 0x6F, 0x7F, 0x7B, None, None, None, None, 0x63, 0x73, None],
             'sax': [None, None, 0x87, None, 0x97, 0x8F, None, None, None, None, None, None, 0x83, None, None],
diff --git a/tests/test6510.bin b/tests/test6510.bin
index bdc3d91..4dbbe3d 100644
Binary files a/tests/test6510.bin and b/tests/test6510.bin differ
diff --git a/tests/test6510.oph b/tests/test6510.oph
index a22e3f6..8b0a707 100644
--- a/tests/test6510.oph
+++ b/tests/test6510.oph
@@ -1,78 +1,79 @@
-; Test file for base 6510 undocumented opcode compliance
-; This odd little source file uses every addressing mode
-; of every opcode, and uses the opcode itself as the argument
-; to each instruction that takes one.  The resulting binary's
-; bytes are thus in strictly increasing numerical order.
-
-; Many mnemonics have multiple opcodes with identical
-; effects; Ophis chooses one of them and the arguments
-; herein assume that any assembler will choose as Ophis
-; does.
-
-; This file also doesn't include the 6502's *documented*
-; opcodes - see testbase.oph for those.
-
-	SLO	($03, X)
-	SLO	$07
-	ANC	#$0B
-	SLO	$0F0F
-	SLO	($13), Y
-	SLO	$17, X
-	SLO	$1B1B, Y
-	SLO	$1F1F, X
-	RLA	($23, X)
-	RLA	$27
-	RLA	$2F2F
-	RLA	($33), Y
-	RLA	$37, X
-	RLA	$3B3B, Y
-	RLA	$3F3F, X
-	SRE	($43, X)
-	SRE	$47
-	ASR	#$4B
-	SRE	$4F4F
-	SRE	($53), Y
-	SRE	$57, X
-	SRE	$5B5B, Y
-	SRE	$5F5F, X
-	RRA	($63, X)
-	RRA	$67
-	ARR	#$6B
-	RRA	$6F6F
-	RRA	($73), Y
-	RRA	$77, X
-	RRA	$7B7B, Y
-	RRA	$7F7F, X
-	SAX	($83, X)
-	SAX	$87
-	ANE	#$8B
-	SAX	$8F8F
-	SHA	($93), Y
-	SAX	$97, Y
-	SHS	$9B9B, Y
-	SHX	$9E9E, Y
-	SHA	$9F9F, Y
-	LAX	($A3, X)
-	LAX	$A7
-	LXA	#$AB
-	LAX	$AFAF
-	LAX	($B3), Y
-	LAX	$B7, Y
-	LAS	$BBBB, Y
-	LAX	$BFBF, Y
-	DCP	($C3, X)
-	DCP	$C7
-	SBX	#$CB
-	DCP	$CFCF
-	DCP	($D3), Y
-	DCP	$D7, X
-	DCP	$DBDB, Y
-	DCP	$DFDF, X
-	ISB	($E3, X)
-	ISB	$E7
-	ISB	$EFEF
-	ISB	($F3), Y
-	ISB	$F7, X
-	ISB	$FBFB, Y
-	ISB	$FFFF, X
-	
\ No newline at end of file
+; Test file for base 6510 undocumented opcode compliance
+; This odd little source file uses every addressing mode
+; of every opcode, and uses the opcode itself as the argument
+; to each instruction that takes one.  The resulting binary's
+; bytes are thus in strictly increasing numerical order.
+
+; Many mnemonics have multiple opcodes with identical
+; effects; Ophis chooses one of them and the arguments
+; herein assume that any assembler will choose as Ophis
+; does.
+
+; This file also doesn't include the 6502's *documented*
+; opcodes - see testbase.oph for those.
+
+	SLO	($03, X)
+	NOP	$04
+	SLO	$07
+	ANC	#$0B
+	SLO	$0F0F
+	SLO	($13), Y
+	SLO	$17, X
+	SLO	$1B1B, Y
+	SLO	$1F1F, X
+	RLA	($23, X)
+	RLA	$27
+	RLA	$2F2F
+	RLA	($33), Y
+	RLA	$37, X
+	RLA	$3B3B, Y
+	RLA	$3F3F, X
+	SRE	($43, X)
+	SRE	$47
+	ASR	#$4B
+	SRE	$4F4F
+	SRE	($53), Y
+	SRE	$57, X
+	SRE	$5B5B, Y
+	SRE	$5F5F, X
+	RRA	($63, X)
+	RRA	$67
+	ARR	#$6B
+	RRA	$6F6F
+	RRA	($73), Y
+	RRA	$77, X
+	RRA	$7B7B, Y
+	RRA	$7F7F, X
+	SAX	($83, X)
+	SAX	$87
+	ANE	#$8B
+	SAX	$8F8F
+	SHA	($93), Y
+	SAX	$97, Y
+	SHS	$9B9B, Y
+	SHX	$9E9E, Y
+	SHA	$9F9F, Y
+	LAX	($A3, X)
+	LAX	$A7
+	LXA	#$AB
+	LAX	$AFAF
+	LAX	($B3), Y
+	LAX	$B7, Y
+	LAS	$BBBB, Y
+	LAX	$BFBF, Y
+	DCP	($C3, X)
+	DCP	$C7
+	SBX	#$CB
+	DCP	$CFCF
+	DCP	($D3), Y
+	DCP	$D7, X
+	DCP	$DBDB, Y
+	DCP	$DFDF, X
+	ISB	($E3, X)
+	ISB	$E7
+	ISB	$EFEF
+	ISB	($F3), Y
+	ISB	$F7, X
+	ISB	$FBFB, Y
+	ISB	$FFFF, X
+	
diff --git a/tools/opcodes/gensets.py b/tools/opcodes/gensets.py
index 76eff0d..64f791a 100644
--- a/tools/opcodes/gensets.py
+++ b/tools/opcodes/gensets.py
@@ -3,31 +3,35 @@ import sys
 
 verbose = 0
 
-prologue = '"""' + """Opcodes file.
+prologue = '"""' +"""Opcodes file.
 
-	Tables for the assembly of 6502-family instructions, mapping
-	opcodes and addressing modes to binary instructions.""" + '"""' + """
+    Tables for the assembly of 6502-family instructions, mapping
+    opcodes and addressing modes to binary instructions.""" + '"""' + """
 
-# Copyright 2002 Michael C. Martin.
-# You may use, modify, and distribute this file under the BSD
-# license: See LICENSE.txt for details.
+# Copyright 2002-2012 Michael C. Martin and additional contributors.
+# You may use, modify, and distribute this file under the MIT
+# license: See README for details.
+
+# DO NOT EDIT THIS FILE DIRECTLY.
+# This file was automatically generated by gensets.py based on the
+# the tables in tools/opcodes. Edit those tables, not these.
 
 # Names of addressing modes
 modes = ["Implied",         #  0
-	 "Immediate",       #  1
-	 "Zero Page",       #  2
-	 "Zero Page, X",    #  3
-	 "Zero Page, Y",    #  4
-	 "Absolute",        #  5
-	 "Absolute, X",     #  6
-	 "Absolute, Y",     #  7
-	 "(Absolute)",      #  8
+         "Immediate",       #  1
+         "Zero Page",       #  2
+         "Zero Page, X",    #  3
+         "Zero Page, Y",    #  4
+         "Absolute",        #  5
+         "Absolute, X",     #  6
+         "Absolute, Y",     #  7
+         "(Absolute)",      #  8
          "(Absolute, X)",   #  9
          "(Absolute), Y",   # 10
          "(Zero Page)",     # 11
-	 "(Zero Page, X)",  # 12
-	 "(Zero Page), Y",  # 13
-	 "Relative"]        # 14
+         "(Zero Page, X)",  # 12
+         "(Zero Page), Y",  # 13
+         "Relative"]        # 14
 
 # Lengths of the argument
 lengths = [0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
@@ -35,20 +39,20 @@ lengths = [0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
 
 # These values should match the ones in the prologue string.
 modes = ["Implied",         #  0
-	 "Immediate",       #  1
-	 "Zero Page",       #  2
-	 "Zero Page, X",    #  3
-	 "Zero Page, Y",    #  4
-	 "Absolute",        #  5
-	 "Absolute, X",     #  6
-	 "Absolute, Y",     #  7
-	 "(Absolute)",      #  8
+         "Immediate",       #  1
+         "Zero Page",       #  2
+         "Zero Page, X",    #  3
+         "Zero Page, Y",    #  4
+         "Absolute",        #  5
+         "Absolute, X",     #  6
+         "Absolute, Y",     #  7
+         "(Absolute)",      #  8
          "(Absolute, X)",   #  9
          "(Absolute), Y",   # 10
          "(Zero Page)",     # 11
-	 "(Zero Page, X)",  # 12
-	 "(Zero Page), Y",  # 13
-	 "Relative"]        # 14
+         "(Zero Page, X)",  # 12
+         "(Zero Page), Y",  # 13
+         "Relative"]        # 14
 
 flatmodes = [x.lower() for x in modes]
 
@@ -150,4 +154,3 @@ if __name__=='__main__':
         dump_map (instruction_map, ' ' * (len(field) + 4))
         print "%s}" % (' ' * (len(field) + 3))
         print ""
-    
diff --git a/tools/opcodes/op6510.txt b/tools/opcodes/op6510.txt
index 84ee575..2de216e 100644
--- a/tools/opcodes/op6510.txt
+++ b/tools/opcodes/op6510.txt
@@ -1,256 +1,256 @@
-  00: BRK - Implied
-  01: ORA - (Zero Page, X)
-  02: 
-  03: SLO - (Zero Page, X)
-  04: 
-  05: ORA - Zero Page
-  06: ASL - Zero Page
-  07: SLO - Zero Page
-  08: PHP - Implied
-  09: ORA - Immediate
-  0A: ASL - Implied
-  0B: ANC - Immediate
-  0C: 
-  0D: ORA - Absolute
-  0E: ASL - Absolute
-  0F: SLO - Absolute
-  10: BPL - Relative
-  11: ORA - (Zero Page), Y
-  12: 
-  13: SLO - (Zero Page), Y
-  14: 
-  15: ORA - Zero Page, X
-  16: ASL - Zero Page, X
-  17: SLO - Zero Page, X
-  18: CLC - Implied
-  19: ORA - Absolute, Y
-  1A: 
-  1B: SLO - Absolute, Y
-  1C: 
-  1D: ORA - Absolute, X
-  1E: ASL - Absolute, X
-  1F: SLO - Absolute, X
-  20: JSR - Absolute
-  21: AND - (Zero Page, X)
-  22: 
-  23: RLA - (Zero Page, X)
-  24: BIT - Zero Page
-  25: AND - Zero Page
-  26: ROL - Zero Page
-  27: RLA - Zero Page
-  28: PLP - Implied
-  29: AND - Immediate
-  2A: ROL - Implied
-  2B: 
-  2C: BIT - Absolute
-  2D: AND - Absolute
-  2E: ROL - Absolute
-  2F: RLA - Absolute
-  30: BMI - Relative
-  31: AND - (Zero Page), Y
-  32: 
-  33: RLA - (Zero Page), Y
-  34: 
-  35: AND - Zero Page, X
-  36: ROL - Zero Page, X
-  37: RLA - Zero Page, X
-  38: SEC - Implied
-  39: AND - Absolute, Y
-  3A: 
-  3B: RLA - Absolute, Y
-  3C: 
-  3D: AND - Absolute, X
-  3E: ROL - Absolute, X
-  3F: RLA - Absolute, X
-  40: RTI - Implied
-  41: EOR - (Zero Page, X)
-  42: 
-  43: SRE - (Zero Page, X)
-  44: 
-  45: EOR - Zero Page
-  46: LSR - Zero Page
-  47: SRE - Zero Page
-  48: PHA - Implied
-  49: EOR - Immediate
-  4A: LSR - Implied
-  4B: ASR - Immediate
-  4C: JMP - Absolute
-  4D: EOR - Absolute
-  4E: LSR - Absolute
-  4F: SRE - Absolute
-  50: BVC - Relative
-  51: EOR - (Zero Page), Y
-  52: 
-  53: SRE - (Zero Page), Y
-  54: 
-  55: EOR - Zero Page, X
-  56: LSR - Zero Page, X
-  57: SRE - Zero Page, X
-  58: CLI - Implied
-  59: EOR - Absolute, Y
-  5A: 
-  5B: SRE - Absolute, Y
-  5C: 
-  5D: EOR - Absolute, X
-  5E: LSR - Absolute, X
-  5F: SRE - Absolute, X
-  60: RTS - Implied
-  61: ADC - (Zero Page, X)
-  62: 
-  63: RRA - (Zero Page, X)
-  64: 
-  65: ADC - Zero Page
-  66: ROR - Zero Page
-  67: RRA - Zero Page
-  68: PLA - Implied
-  69: ADC - Immediate
-  6A: ROR - Implied
-  6B: ARR - Immediate
-  6C: JMP - (Absolute)
-  6D: ADC - Absolute
-  6E: ROR - Absolute
-  6F: RRA - Absolute
-  70: BVS - Relative
-  71: ADC - (Zero Page), Y
-  72: 
-  73: RRA - (Zero Page), Y
-  74: 
-  75: ADC - Zero Page, X
-  76: ROR - Zero Page, X
-  77: RRA - Zero Page, X
-  78: SEI - Implied
-  79: ADC - Absolute, Y
-  7A: 
-  7B: RRA - Absolute, Y
-  7C: 
-  7D: ADC - Absolute, X
-  7E: ROR - Absolute, X
-  7F: RRA - Absolute, X
-  80: 
-  81: STA - (Zero Page, X)
-  82: 
-  83: SAX - (Zero Page, X)
-  84: STY - Zero Page
-  85: STA - Zero Page
-  86: STX - Zero Page
-  87: SAX - Zero Page
-  88: DEY - Implied
-  89: 
-  8A: TXA - Implied
-  8B: ANE - Immediate
-  8C: STY - Absolute
-  8D: STA - Absolute
-  8E: STX - Absolute
-  8F: SAX - Absolute
-  90: BCC - Relative
-  91: STA - (Zero Page), Y
-  92: 
-  93: SHA - (Zero Page), Y
-  94: STY - Zero Page, X
-  95: STA - Zero Page, X
-  96: STX - Zero Page, Y
-  97: SAX - Zero Page, Y
-  98: TYA - Implied
-  99: STA - Absolute, Y
-  9A: TXS - Implied
-  9B: SHS - Absolute, Y
-  9C: 
-  9D: STA - Absolute, X
-  9E: SHX - Absolute, Y
-  9F: SHA - Absolute, Y
-  A0: LDY - Immediate
-  A1: LDA - (Zero Page, X)
-  A2: LDX - Immediate
-  A3: LAX - (Zero Page, X)
-  A4: LDY - Zero Page
-  A5: LDA - Zero Page
-  A6: LDX - Zero Page
-  A7: LAX - Zero Page
-  A8: TAY - Implied
-  A9: LDA - Immediate
-  AA: TAX - Implied
-  AB: LXA - Immediate
-  AC: LDY - Absolute
-  AD: LDA - Absolute
-  AE: LDX - Absolute
-  AF: LAX - Absolute
-  B0: BCS - Relative
-  B1: LDA - (Zero Page), Y
-  B2: 
-  B3: LAX - (Zero Page), Y
-  B4: LDY - Zero Page, X
-  B5: LDA - Zero Page, X
-  B6: LDX - Zero Page, Y
-  B7: LAX - Zero Page, Y
-  B8: CLV - Implied
-  B9: LDA - Absolute, Y
-  BA: TSX - Implied
-  BB: LAS - Absolute, Y
-  BC: LDY - Absolute, X
-  BD: LDA - Absolute, X
-  BE: LDX - Absolute, Y
-  BF: LAX - Absolute, Y
-  C0: CPY - Immediate
-  C1: CMP - (Zero Page, X)
-  C2: 
-  C3: DCP - (Zero Page, X)
-  C4: CPY - Zero Page
-  C5: CMP - Zero Page
-  C6: DEC - Zero Page
-  C7: DCP - Zero Page
-  C8: INY - Implied
-  C9: CMP - Immediate
-  CA: DEX - Implied
-  CB: SBX - Immediate
-  CC: CPY - Absolute
-  CD: CMP - Absolute
-  CE: DEC - Absolute
-  CF: DCP - Absolute
-  D0: BNE - Relative
-  D1: CMP - (Zero Page), Y
-  D2: 
-  D3: DCP - (Zero Page), Y
-  D4: 
-  D5: CMP - Zero Page, X
-  D6: DEC - Zero Page, X
-  D7: DCP - Zero Page, X
-  D8: CLD - Implied
-  D9: CMP - Absolute, Y
-  DA: 
-  DB: DCP - Absolute, Y
-  DC: 
-  DD: CMP - Absolute, X
-  DE: DEC - Absolute, X
-  DF: DCP - Absolute, X
-  E0: CPX - Immediate
-  E1: SBC - (Zero Page, X)
-  E2: 
-  E3: ISB - (Zero Page, X)
-  E4: CPX - Zero Page
-  E5: SBC - Zero Page
-  E6: INC - Zero Page
-  E7: ISB - Zero Page
-  E8: INX - Implied
-  E9: SBC - Immediate
-  EA: NOP - Implied
-  EB: 
-  EC: CPX - Absolute
-  ED: SBC - Absolute
-  EE: INC - Absolute
-  EF: ISB - Absolute
-  F0: BEQ - Relative
-  F1: SBC - (Zero Page), Y
-  F2: 
-  F3: ISB - (Zero Page), Y
-  F4: 
-  F5: SBC - Zero Page, X
-  F6: INC - Zero Page, X
-  F7: ISB - Zero Page, X
-  F8: SED - Implied
-  F9: SBC - Absolute, Y
-  FA: 
-  FB: ISB - Absolute, Y
-  FC: 
-  FD: SBC - Absolute, X
-  FE: INC - Absolute, X
-  FF: ISB - Absolute, X
+  00: BRK - Implied
+  01: ORA - (Zero Page, X)
+  02: 
+  03: SLO - (Zero Page, X)
+  04: NOP - Zero Page 
+  05: ORA - Zero Page
+  06: ASL - Zero Page
+  07: SLO - Zero Page
+  08: PHP - Implied
+  09: ORA - Immediate
+  0A: ASL - Implied
+  0B: ANC - Immediate
+  0C: 
+  0D: ORA - Absolute
+  0E: ASL - Absolute
+  0F: SLO - Absolute
+  10: BPL - Relative
+  11: ORA - (Zero Page), Y
+  12: 
+  13: SLO - (Zero Page), Y
+  14: 
+  15: ORA - Zero Page, X
+  16: ASL - Zero Page, X
+  17: SLO - Zero Page, X
+  18: CLC - Implied
+  19: ORA - Absolute, Y
+  1A: 
+  1B: SLO - Absolute, Y
+  1C: 
+  1D: ORA - Absolute, X
+  1E: ASL - Absolute, X
+  1F: SLO - Absolute, X
+  20: JSR - Absolute
+  21: AND - (Zero Page, X)
+  22: 
+  23: RLA - (Zero Page, X)
+  24: BIT - Zero Page
+  25: AND - Zero Page
+  26: ROL - Zero Page
+  27: RLA - Zero Page
+  28: PLP - Implied
+  29: AND - Immediate
+  2A: ROL - Implied
+  2B: 
+  2C: BIT - Absolute
+  2D: AND - Absolute
+  2E: ROL - Absolute
+  2F: RLA - Absolute
+  30: BMI - Relative
+  31: AND - (Zero Page), Y
+  32: 
+  33: RLA - (Zero Page), Y
+  34: 
+  35: AND - Zero Page, X
+  36: ROL - Zero Page, X
+  37: RLA - Zero Page, X
+  38: SEC - Implied
+  39: AND - Absolute, Y
+  3A: 
+  3B: RLA - Absolute, Y
+  3C: 
+  3D: AND - Absolute, X
+  3E: ROL - Absolute, X
+  3F: RLA - Absolute, X
+  40: RTI - Implied
+  41: EOR - (Zero Page, X)
+  42: 
+  43: SRE - (Zero Page, X)
+  44: 
+  45: EOR - Zero Page
+  46: LSR - Zero Page
+  47: SRE - Zero Page
+  48: PHA - Implied
+  49: EOR - Immediate
+  4A: LSR - Implied
+  4B: ASR - Immediate
+  4C: JMP - Absolute
+  4D: EOR - Absolute
+  4E: LSR - Absolute
+  4F: SRE - Absolute
+  50: BVC - Relative
+  51: EOR - (Zero Page), Y
+  52: 
+  53: SRE - (Zero Page), Y
+  54: 
+  55: EOR - Zero Page, X
+  56: LSR - Zero Page, X
+  57: SRE - Zero Page, X
+  58: CLI - Implied
+  59: EOR - Absolute, Y
+  5A: 
+  5B: SRE - Absolute, Y
+  5C: 
+  5D: EOR - Absolute, X
+  5E: LSR - Absolute, X
+  5F: SRE - Absolute, X
+  60: RTS - Implied
+  61: ADC - (Zero Page, X)
+  62: 
+  63: RRA - (Zero Page, X)
+  64: 
+  65: ADC - Zero Page
+  66: ROR - Zero Page
+  67: RRA - Zero Page
+  68: PLA - Implied
+  69: ADC - Immediate
+  6A: ROR - Implied
+  6B: ARR - Immediate
+  6C: JMP - (Absolute)
+  6D: ADC - Absolute
+  6E: ROR - Absolute
+  6F: RRA - Absolute
+  70: BVS - Relative
+  71: ADC - (Zero Page), Y
+  72: 
+  73: RRA - (Zero Page), Y
+  74: 
+  75: ADC - Zero Page, X
+  76: ROR - Zero Page, X
+  77: RRA - Zero Page, X
+  78: SEI - Implied
+  79: ADC - Absolute, Y
+  7A: 
+  7B: RRA - Absolute, Y
+  7C: 
+  7D: ADC - Absolute, X
+  7E: ROR - Absolute, X
+  7F: RRA - Absolute, X
+  80: 
+  81: STA - (Zero Page, X)
+  82: 
+  83: SAX - (Zero Page, X)
+  84: STY - Zero Page
+  85: STA - Zero Page
+  86: STX - Zero Page
+  87: SAX - Zero Page
+  88: DEY - Implied
+  89: 
+  8A: TXA - Implied
+  8B: ANE - Immediate
+  8C: STY - Absolute
+  8D: STA - Absolute
+  8E: STX - Absolute
+  8F: SAX - Absolute
+  90: BCC - Relative
+  91: STA - (Zero Page), Y
+  92: 
+  93: SHA - (Zero Page), Y
+  94: STY - Zero Page, X
+  95: STA - Zero Page, X
+  96: STX - Zero Page, Y
+  97: SAX - Zero Page, Y
+  98: TYA - Implied
+  99: STA - Absolute, Y
+  9A: TXS - Implied
+  9B: SHS - Absolute, Y
+  9C: 
+  9D: STA - Absolute, X
+  9E: SHX - Absolute, Y
+  9F: SHA - Absolute, Y
+  A0: LDY - Immediate
+  A1: LDA - (Zero Page, X)
+  A2: LDX - Immediate
+  A3: LAX - (Zero Page, X)
+  A4: LDY - Zero Page
+  A5: LDA - Zero Page
+  A6: LDX - Zero Page
+  A7: LAX - Zero Page
+  A8: TAY - Implied
+  A9: LDA - Immediate
+  AA: TAX - Implied
+  AB: LXA - Immediate
+  AC: LDY - Absolute
+  AD: LDA - Absolute
+  AE: LDX - Absolute
+  AF: LAX - Absolute
+  B0: BCS - Relative
+  B1: LDA - (Zero Page), Y
+  B2: 
+  B3: LAX - (Zero Page), Y
+  B4: LDY - Zero Page, X
+  B5: LDA - Zero Page, X
+  B6: LDX - Zero Page, Y
+  B7: LAX - Zero Page, Y
+  B8: CLV - Implied
+  B9: LDA - Absolute, Y
+  BA: TSX - Implied
+  BB: LAS - Absolute, Y
+  BC: LDY - Absolute, X
+  BD: LDA - Absolute, X
+  BE: LDX - Absolute, Y
+  BF: LAX - Absolute, Y
+  C0: CPY - Immediate
+  C1: CMP - (Zero Page, X)
+  C2: 
+  C3: DCP - (Zero Page, X)
+  C4: CPY - Zero Page
+  C5: CMP - Zero Page
+  C6: DEC - Zero Page
+  C7: DCP - Zero Page
+  C8: INY - Implied
+  C9: CMP - Immediate
+  CA: DEX - Implied
+  CB: SBX - Immediate
+  CC: CPY - Absolute
+  CD: CMP - Absolute
+  CE: DEC - Absolute
+  CF: DCP - Absolute
+  D0: BNE - Relative
+  D1: CMP - (Zero Page), Y
+  D2: 
+  D3: DCP - (Zero Page), Y
+  D4: 
+  D5: CMP - Zero Page, X
+  D6: DEC - Zero Page, X
+  D7: DCP - Zero Page, X
+  D8: CLD - Implied
+  D9: CMP - Absolute, Y
+  DA: 
+  DB: DCP - Absolute, Y
+  DC: 
+  DD: CMP - Absolute, X
+  DE: DEC - Absolute, X
+  DF: DCP - Absolute, X
+  E0: CPX - Immediate
+  E1: SBC - (Zero Page, X)
+  E2: 
+  E3: ISB - (Zero Page, X)
+  E4: CPX - Zero Page
+  E5: SBC - Zero Page
+  E6: INC - Zero Page
+  E7: ISB - Zero Page
+  E8: INX - Implied
+  E9: SBC - Immediate
+  EA: NOP - Implied
+  EB: 
+  EC: CPX - Absolute
+  ED: SBC - Absolute
+  EE: INC - Absolute
+  EF: ISB - Absolute
+  F0: BEQ - Relative
+  F1: SBC - (Zero Page), Y
+  F2: 
+  F3: ISB - (Zero Page), Y
+  F4: 
+  F5: SBC - Zero Page, X
+  F6: INC - Zero Page, X
+  F7: ISB - Zero Page, X
+  F8: SED - Implied
+  F9: SBC - Absolute, Y
+  FA: 
+  FB: ISB - Absolute, Y
+  FC: 
+  FD: SBC - Absolute, X
+  FE: INC - Absolute, X
+  FF: ISB - Absolute, X