Commodore Plus 4 - Page 303

The 6803 Microprocessor 391
Addressing Modes
lNSTR.#Imm Abs ZP Ace Imp (,X) (),Y ZP,X Ab.X Ab,Y Rel Ind ZP,Y
Sei
Sta
Stx
Sty
Tax
Tay
Tsx
Txa
Txs
Tya
4
4
4
3
3
3
2
2
2
2
2
2
2
6 6
4
4
* Add 1 cycle if page boundary is crossed.
** Add 1 cycle if the branch occurs to the same page. Add 2 cycles if the branch occurs to a different page.
Opcodes
M
0
s
t
c
o
i
g
n
0
1
2
3
4
5
6
0
BRK
BPL
JSR
BMI
RTI
BVC
RTS
1 2
ORA
(,X)
ORA
0,Y
AND
(,X)
AND
0,Y
EOR
(,X)
EOR
0,Y
ADC
(,X)
Least Significant
4 5 6 8
ORA
ZP
ORA
ZP,X
BIT AND
ZP ZP
AND
ZP,X
EOR
ZP
EOR
ZP,X
ADC
ZP
ASL
ZP
ASL
ZP,X
ROL
ZP
ROL
ZP,X
LSR
ZP
LSR
ZP,X
ROR
ZP
PHP
CLC
PLP
SEC
PHA
CLI
PLA
Nybble
9
ORA
Imm
ORA
Ab,Y
AND
Imm
AND
Ab,Y
EOR
Imm
EOR
Abs,Y
ADC
Imm
A
ASL
Ace
ROL
Ace
LSR
Ace
ROR
Ace
C
BIT
Abs
JMP
Abs
JMP
Ind
D
ORA
Abs
ORA
Ab,X
AND
Abs
AND
Ab,X
EOR
Abs
EOR
Ab,X
ADC
Abs
E
ASL
Abs
ASL
Ab,X
ROL
Abs
ROL
Ab,X
LSR
Abs
LSR
Ab,X
ROR
Abs