W65C02S Datasheet, PDF (21/40 Pages) List of Unclassifed Manufacturers – Microprocessor

The Western Design Center, Inc.
W65C02S Data Sheet
5 OPERATION TABLES
Table 5-1 Instruction Set Table
1.
ADC
ADd memory to accumulator with Carry
2.
AND
"AND" memory with accumulator
3.
ASL
Arithmetic Shift one bit Left, memory or
accumulator
4.
•BBR Branch on Bit Reset
5.
•BBS Branch of Bit Set
6.
BCC
Branch on Carry Clear (Pc=0)
7.
BCS
Branch on Carry Set (Pc=1)
8.
BEQ
Branch if EQual (Pz=1)
9.
BIT
BIt Test
10. BMI
Branch if result MInus (Pn=1)
11. BNE
Branch if Not Equal (Pz=0)
12. BPL
Branch if result PLus (Pn=0)
13. •BRA BRanch Always
14. BRK
BReaK instruction
15. BVC
Branch on oVerflow Clear (Pv=0)
16. BVS
Branch on oVerflow Set (Pv=1)
17. CLC
CLear Cary flag
18. CLD
CLear Decimal mode
19. CLI
CLear Interrupt disable bit
20. CLV
CLear oVerflow flag
21. CMP
CoMPare memory and accumulator
22. CPX
ComPare memory and X register
23. CPY
ComPare memory and Y register
24. DEC
DECrement memory or accumulate by one
25. DEX
DEcrement X by one
26. DEY
DEcrement Y by one
27. EOR
"Exclusive OR" memory with accumulate
28. INC
INCrement memory or accumulate by one
29. INX
INcrement X register by one
30. INY
INcrement Y register by one
31. JMP
JuMP to new location
32. JSR
Jump to new location Saving Return (Jump to
SubRoutine)
33. LDA
LoaD Accumulator with memory
34. LDX
LoaD the X register with memory
35. LDY
LoaD the Y register with memory
36. LSR
Logical Shift one bit Right memory or accumulator
37. NOP
No OPeration
38. ORA
"OR" memory with Accumulator
39. PHA
PusH Accumulator on stack
40. PHP
PusH Processor status on stack
41. PHX
PusH X register on stack
42. PHY
PusH Y register on stack
43. PLA
PuLl Accumulator from stack
44. PLP
PuLl Processor status from stack
45. •PLX PuLl X register from stack
46. •PLY PuLl Y register from stack
47. •RMB Reset Memory Bit
48. ROL
ROtate one bit Left memory or accumulator
49. ROR
ROtate one bit Right memory or accumulator
50. RTI
ReTurn from Interrupt
51. RTS
ReTurn from Subroutine
52. SBC
SuBtract memory from accumulator with borrow
(Carry bit)
53. SED
SEt Decimal mode
54. SEI
SEt Interrupt disable status
55. •SMB Set Memory Bit
56. STA
STore Accumulator in memory
57.
•STP
SToP mode
58. STX
STore the X register in memory
59. STY
STore the Y register in memory
60. •STZ STore Zero in memory
61. TAX
Transfer the Accumulator to the X register
62. TAY
Transfer the Accumulator to the Y register
63. •TRB Test and Reset memory Bit
64. •TSB
Test and Set memory Bit
65. TSX
Transfer the Stack pointer to the X register
66. TXA
Transfer the X register to the Accumulator
67. TXS
Transfer the X register to the Stack pointer register
68. TYA
Transfer Y register to the Accumulator
69. •WAI WAit for Interrupt
Note: •=New Instruction
The Western Design Center, Inc.
W65C02S Data Sheet
21