sea64

A 6502 emulator written in C.

Addressing modes

Name	Mnemonic
Absolute	$nnnn
Absolute Indirect	($nnnn)
Accumulator	A
Immediate	#nn (canonically #$nn)
Implied
Relative	$nnnn (only for branch instructions)
X-Indexed Absolute	$nnnn,X
X-Indexed Absolute Indirect	($nnnn,X)
X-Indexed Zero Page	$nn,X
X-Indexed Zero Page Indirect	($nn,X)
Y-Indexed Absolute	$nnnn,Y
Y-Indexed Zero Page	$nn,Y
Zero Page	$nn
Zero Page Indirect	($nn)
Zero Page Indirect Y-Indexed	($nn),Y
Zero Page Relative	$nn,$nnnn (only for branch instructions)

Standard 6502 instructions

----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
    |   x0    |   x1    |   x2    |   x3    |   x4    |   x5    |   x6    |   x7    |   x8    |   x9    |   xA    |   xB    |   xC    |   xD    |   xE    |   xF    |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 0x | BRK     | ORA     |         |         |         | ORA     | ASL     |         | PHP     | ORA     | ASL     |         |         | ORA     | ASL     |         |
    |         | ($nn,X) |         |         |         | $nn     | $nn     |         |         | #nn     | A       |         |         | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 1x | BPL     | ORA     |         |         |         | ORA     | ASL     |         | CLC     | ORA     |         |         |         | ORA     | ASL     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 2x | JSR     | AND     |         |         | BIT     | AND     | ROL     |         | PLP     | AND     | ROL     |         | BIT     | AND     | ROL     |         |
    | $nnnn   | ($nn,X) |         |         | $nn     | $nn     | $nn     |         |         | #nn     | A       |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 3x | BMI     | AND     |         |         |         | AND     | ROL     |         | SEC     | AND     |         |         |         | AND     | ROL     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 4x | RTI     | EOR     |         |         |         | EOR     | LSR     |         | PHA     | EOR     | LSR     |         | JMP     | EOR     | LSR     |         |
    |         | ($nn,X) |         |         |         | $nn     | $nn     |         |         | #nn     | A       |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 5x | BVC     | EOR     |         |         |         | EOR     | LSR     |         | CLI     | EOR     |         |         |         | EOR     | LSR     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 6x | RTS     | ADC     |         |         |         | ADC     | ROR     |         | PLA     | ADC     | ROR     |         | JMP     | ADC     | ROR     |         |
    |         | ($nn,X) |         |         |         | $nn     | $nn     |         |         | #nn     | A       |         | ($nnnn) | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 7x | BVS     | ADC     |         |         |         | ADC     | ROR     |         | SEI     | ADC     |         |         |         | ADC     | ROR     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 8x |         | STA     |         |         | STY     | STA     | STX     |         | DEY     |         | TXA     |         | STY     | STA     | STX     |         |
    |         | ($nn,X) |         |         | $nn     | $nn     | $nn     |         |         |         |         |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 9x | BCC     | STA     |         |         | STY     | STA     | STX     |         | TYA     | STA     | TXS     |         |         | STA     |         |         |
    | $nnnn   | ($nn),Y |         |         | $nn,X   | $nn,X   | $nn,Y   |         |         | $nnnn,Y |         |         |         | $nnnn,X |         |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Ax | LDY     | LDA     | LDX     |         | LDY     | LDA     | LDX     |         | TAY     | LDA     | TAX     |         | LDY     | LDA     | LDX     |         |
    | #nn     | ($nn,X) | #nn     |         | $nn     | $nn     | $nn     |         |         | #nn     |         |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Bx | BCS     | LDA     |         |         | LDY     | LDA     | LDX     |         | CLV     | LDA     | TSX     |         | LDY     | LDA     | LDX     |         |
    | $nnnn   | ($nn),Y |         |         | $nn,X   | $nn,X   | $nn,Y   |         |         | $nnnn,Y |         |         | $nnnn,X | $nnnn,X | $nnnn,Y |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Cx | CPY     | CMP     |         |         | CPY     | CMP     | DEC     |         | INY     | CMP     | DEX     |         | CPY     | CMP     | DEC     |         |
    | #nn     | ($nn,X) |         |         | $nn     | $nn     | $nn     |         |         | #nn     |         |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Dx | BNE     | CMP     |         |         |         | CMP     | DEC     |         | CLD     | CMP     |         |         |         | CMP     | DEC     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Ex | CPX     | SBC     |         |         | CPX     | SBC     | INC     |         | INX     | SBC     | NOP     |         | CPX     | SBC     | INC     |         |
    | #nn     | ($nn,X) |         |         | $nn     | $nn     | $nn     |         |         | #nn     |         |         | $nnnn   | $nnnn   | $nnnn   |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Fx | BEQ     | SBC     |         |         |         | SBC     | INC     |         | SED     | SBC     |         |         |         | SBC     | INC     |         |
    | $nnnn   | ($nn),Y |         |         |         | $nn,X   | $nn,X   |         |         | $nnnn,Y |         |         |         | $nnnn,X | $nnnn,X |         |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+

Extended 6502 instructions (Including illegal opcodes)

----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
    |   x0    |   x1    |   x2    |   x3    |   x4    |   x5    |   x6    |   x7    |   x8    |   x9    |   xA    |   xB    |   xC    |   xD    |   xE    |   xF    |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 0x | BRK     | ORA     | HLT     | SLO     | NOP     | ORA     | ASL     | SLO     | PHP     | ORA     | ASL     | ANC     | NOP     | ORA     | ASL     | SLO     |
    |         | ($nn,X) |         | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     | A       | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 1x | BPL     | ORA     | HLT     | SLO     | NOP     | ORA     | ASL     | SLO     | CLC     | ORA     | NOP     | SLO     | NOP     | ORA     | ASL     | SLO     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 2x | JSR     | AND     | HLT     | RLA     | BIT     | AND     | ROL     | RLA     | PLP     | AND     | ROL     | ANC     | BIT     | AND     | ROL     | RLA     |
    | $nnnn   | ($nn,X) |         | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     | A       | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 3x | BMI     | AND     | HLT     | RLA     | NOP     | AND     | ROL     | RLA     | SEC     | AND     | NOP     | RLA     | NOP     | AND     | ROL     | RLA     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 4x | RTI     | EOR     | HLT     | SRE     | NOP     | EOR     | LSR     | SRE     | PHA     | EOR     | LSR     | ASR     | JMP     | EOR     | LSR     | SRE     |
    |         | ($nn,X) |         | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     | A       | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 5x | BVC     | EOR     | HLT     | SRE     | NOP     | EOR     | LSR     | SRE     | CLI     | EOR     | NOP     | SRE     | NOP     | EOR     | LSR     | SRE     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 6x | RTS     | ADC     | HLT     | RRA     | NOP     | ADC     | ROR     | RRA     | PLA     | ADC     | ROR     | ARR     | JMP     | ADC     | ROR     | RRA     |
    |         | ($nn,X) |         | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     | A       | #nn     | ($nnnn) | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 7x | BVS     | ADC     | HLT     | RRA     | NOP     | ADC     | ROR     | RRA     | SEI     | ADC     | NOP     | RRA     | NOP     | ADC     | ROR     | RRA     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 8x | NOP     | STA     | NOP     | SAX     | STY     | STA     | STX     | SAX     | DEY     | NOP     | TXA     | XXA     | STY     | STA     | STX     | SAX     |
    | #nn     | ($nn,X) | #nn     | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     |         | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 9x | BCC     | STA     | HLT     | SHA     | STY     | STA     | STX     | SAX     | TYA     | STA     | TXS     | SHS     | SHY     | STA     | SHX     | SHA     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,Y   | $nn,Y   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,Y | $nnnn,Y |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Ax | LDY     | LDA     | LDX     | LAX     | LDY     | LDA     | LDX     | LAX     | TAY     | LDA     | TAX     | LXA     | LDY     | LDA     | LDX     | LAX     |
    | #nn     | ($nn,X) | #nn     | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     |         | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Bx | BCS     | LDA     | HLT     | LAX     | LDY     | LDA     | LDX     | LAX     | CLV     | LDA     | TSX     | LAS     | LDY     | LDA     | LDX     | LAX     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,Y   | $nn,Y   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,Y | $nnnn,Y |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Cx | CPY     | CMP     | NOP     | DCP     | CPY     | CMP     | DEC     | DCP     | INY     | CMP     | DEX     | SBX     | CPY     | CMP     | DEC     | DCP     |
    | #nn     | ($nn,X) | #nn     | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     |         | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Dx | BNE     | CMP     | HLT     | DCP     | NOP     | CMP     | DEC     | DCP     | CLD     | CMP     | NOP     | DCP     | NOP     | CMP     | DEC     | DCP     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Ex | CPX     | SBC     | NOP     | ISC     | CPX     | SBC     | INC     | ISC     | INX     | SBC     | NOP     | SBC     | CPX     | SBC     | INC     | ISC     |
    | #nn     | ($nn,X) | #nn     | ($nn,X) | $nn     | $nn     | $nn     | $nn     |         | #nn     |         | #nn     | $nnnn   | $nnnn   | $nnnn   | $nnnn   |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 Fx | BEQ     | SBC     | HLT     | ISC     | NOP     | SBC     | INC     | ISC     | SED     | SBC     | NOP     | ISC     | NOP     | SBC     | INC     | ISC     |
    | $nnnn   | ($nn),Y |         | ($nn),Y | $nn,X   | $nn,X   | $nn,X   | $nn,X   |         | $nnnn,Y |         | $nnnn,Y | $nnnn,X | $nnnn,X | $nnnn,X | $nnnn,X |
----+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+

WDC65C02 Instructions

----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
    |    x0     |    x1     |    x2     |    x3     |    x4     |    x5     |    x6     |    x7     |    x8     |    x9     |    xA     |    xB     |    xC     |    xD     |    xE     |    xF     |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 0x | BRK       | ORA       | NOP       | NOP       | TSB       | ORA       | ASL       | RMB0      | PHP       | ORA       | ASL       | NOP       | TSB       | ORA       | ASL       | BBR0      |
    |           | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       | A         |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 1x | BPL       | ORA       | ORA       | NOP       | TRB       | ORA       | ASL       | RMB1      | CLC       | ORA       | INC       | NOP       | TRB       | ORA       | ASL       | BBR1      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn       | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   | A         |           | $nnnn     | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 2x | JSR       | AND       | NOP       | NOP       | BIT       | AND       | ROL       | RMB2      | PLP       | AND       | ROL       | NOP       | BIT       | AND       | ROL       | BBR2      |
    | $nnnn     | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       | A         |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 3x | BMI       | AND       | AND       | NOP       | BIT       | AND       | ROL       | RMB3      | SEC       | AND       | DEC       | NOP       | BIT       | AND       | ROL       | BBR3      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   | A         |           | $nnnn,X   | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 4x | RTI       | EOR       | NOP       | NOP       | NOP       | EOR       | LSR       | RMB4      | PHA       | EOR       | LSR       | NOP       | JMP       | EOR       | LSR       | BBR4      |
    |           | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       | A         |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 5x | BVC       | EOR       | EOR       | NOP       | NOP       | EOR       | LSR       | RMB5      | CLI       | EOR       | PHY       | NOP       | NOP       | EOR       | LSR       | BBR5      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   |           |           | $nnnn,X   | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 6x | RTS       | ADC       | NOP       | NOP       | STZ       | ADC       | ROR       | RMB6      | PLA       | ADC       | ROR       | NOP       | JMP       | ADC       | ROR       | BBR6      |
    |           | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       | A         |           | ($nnnn)   | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 7x | BVS       | ADC       | ADC       | NOP       | STZ       | ADC       | ROR       | RMB7      | SEI       | ADC       | PLY       | NOP       | JMP       | ADC       | ROR       | BBR7      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   |           |           | ($nnnn,X) | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 8x | BRA       | STA       | NOP       | NOP       | STY       | STA       | STX       | SMB0      | DEY       | BIT       | TXA       | NOP       | STY       | STA       | STX       | BBS0      |
    | $nnnn     | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       |           |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 9x | BCC       | STA       | STA       | NOP       | STY       | STA       | STX       | SMB1      | TYA       | STA       | TXS       | NOP       | STZ       | STA       | STZ       | BBS1      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,Y     | $nn       |           | $nnnn,Y   |           |           | $nnnn     | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Ax | LDY       | LDA       | LDX       | NOP       | LDY       | LDA       | LDX       | SMB2      | TAY       | LDA       | TAX       | NOP       | LDY       | LDA       | LDX       | BBS2      |
    | #nn       | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       |           |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Bx | BCS       | LDA       | LDA       | NOP       | LDY       | LDA       | LDX       | SMB3      | CLV       | LDA       | TSX       | NOP       | LDY       | LDA       | LDX       | BBS3      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,Y     | $nn       |           | $nnnn,Y   |           |           | $nnnn,X   | $nnnn,X   | $nnnn,Y   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Cx | CPY       | CMP       | NOP       | NOP       | CPY       | CMP       | DEC       | SMB4      | INY       | CMP       | DEX       | WAI       | CPY       | CMP       | DEC       | BBS4      |
    | #nn       | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       |           |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Dx | BNE       | CMP       | CMP       | NOP       | NOP       | CMP       | DEC       | SMB5      | CLD       | CMP       | PHX       | STP       | NOP       | CMP       | DEC       | BBS5      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   |           |           | $nnnn,X   | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Ex | CPX       | SBC       | NOP       | NOP       | CPX       | SBC       | INC       | SMB6      | INX       | SBC       | NOP       | NOP       | CPX       | SBC       | INC       | BBS6      |
    | #nn       | ($nn,X)   | #nn       |           | $nn       | $nn       | $nn       | $nn       |           | #nn       |           |           | $nnnn     | $nnnn     | $nnnn     | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
 Fx | BEQ       | SBC       | SBC       | NOP       | NOP       | SBC       | INC       | SMB7      | SED       | SBC       | PLX       | NOP       | NOP       | SBC       | INC       | BBS7      |
    | $nnnn     | ($nn),Y   | ($nn)     |           | $nn,X     | $nn,X     | $nn,X     | $nn       |           | $nnnn,Y   |           |           | $nnnn,X   | $nnnn,X   | $nnnn,X   | $nn,$nnnn |
----+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+