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ADC
AND
ASL
BCC
BCS
BEQ
BIT
BMI
BNE
BPL
BRK
BVC
BVS
CLC
CLD
CLI
CLV
CMP
CPX
CPY
DEC
DEX
DEY
EOR
INC
INX
INY
JMP
JSR
LDA
LDX
LDY
LSR
NOP
ORA
PHA
PHP
PLA
PLP
ROL
ROR
RTI
RTS
SBC
SEC
SED
SEI
STA
STX
STY
TAX
TAY
TSX
TXA
TXS
TYA
The text was updated successfully, but these errors were encountered:
http://wiki.nesdev.com/w/index.php/CPU_unofficial_opcodes
The 6502 family datasheet from MOS Technology does not specify or document their function, but they actually do perform various operations.
Sorry, something went wrong.
joshleeb
benjaminjt
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ADC
- @joshleeb - need to check if carry and overflow flags are correctAND
- @benjaminjtASL
- @benjaminjtBCC
- @benjaminjtBCS
- @benjaminjtBEQ
- @benjaminjtBIT
- @tobyjsullivanBMI
- @benjaminjtBNE
- @benjaminjtBPL
- @benjaminjtBRK
- @tobyjsullivanBVC
- @benjaminjtBVS
- @benjaminjtCLC
- @joshleebCLD
- @joshleebCLI
- @joshleebCLV
- @joshleebCMP
- @joshleebCPX
- @joshleebCPY
- @joshleebDEC
- @joshleebDEX
- @joshleebDEY
- @joshleebEOR
- @benjaminjtINC
- @joshleebINX
- @joshleebINY
- @joshleebJMP
- @joshleebJSR
- @benjaminjtLDA
- @joshleebLDX
- @benjaminjtLDY
- @benjaminjtLSR
- @benjaminjtNOP
- @benjaminjtORA
- @benjaminjtPHA
- @benjaminjtPHP
- @benjaminjtPLA
- @benjaminjtPLP
- @benjaminjtROL
- @benjaminjtROR
- @benjaminjtRTI
- @benjaminjtRTS
- @tobyjsullivanSBC
SEC
- @joshleebSED
- @joshleebSEI
- @joshleebSTA
- @joshleebSTX
- @joshleebSTY
- @joshleebTAX
- @joshleebTAY
- @joshleebTSX
- @joshleebTXA
- @joshleebTXS
- @joshleebTYA
- @joshleebThe text was updated successfully, but these errors were encountered: