Motorola MC6805R Series User Manual

Table 10-1. Register Memory Instructions
Addressing Modes
Indexed Indexed
Indexed
Immediate Direct Extended
(No Offset)
(8-Bit Offset)
(16-Bit Offset)
Op # # Op # # Op # # Op # #
Op # #
Op #
#
Function Mnemonic Code Bytes Cycles Code Bytes Cycles Cqde
Bytes Cycles
Code
Bytes Cycles
Code
Bytes
Cycles
Code
Bytes
Cycles
Load A from Memory LDA A6
2 2 B6 2 4 C6 3 5 F6 1 4
E6
2 5 D6
3
6
Load X from Memory LOX AE
2
2 BE 2 4
CE 3 5
FE 1 4
EE
2 5 DE 3 6
Store A in Memory STA - -
-
B7
2 5
C7
3 6
F7
1 5
E7
2 6 D7
3
7
Store X in Memory STX
-
- -
BF
2 5
CF
3 6
FF 1
5
EF
2 6
DF
3
7
~
o
Add Memory to A ADD AB 2 2 BB 2
4
CB
3
-5
FB 1 4
EB
2 5 DB
3 6
0,
Add Memory and Carry to A ADC
A9 2
2 B9
2
4 C9
3
5 F9 1 4
E9
2 5 D9
3
6
Subtract Memory
SUB
AO
2
2 BO
2
4 CO
3
5 FO 1 4
EO
2 5 DO
3 6
Subtract Memory from A
with Borrow SBC A2 2 2 B2 2 4 C2
3
5 F2 1 4 E2
2 5 D2 3 6
AND Memory to A AND A4 2 2 B4 2 4 C4
3
5 F4 1 4
E4
2 5 D4
3
6
OR Memory with A ORA
AA
2 2 BA 2 4 CA
3
5 FA 1 4
EA
2 5 DA
3 6
Exclusive OR Memory with A
EOR AS 2 2
BS
2
4
CS 3 5
FS
1 4 ES
2 5 DS 3 6
Arithmetic Compare A
with Memory CMP A1 2 2 B1 2 4 C1
3
5 F1 1
4 E1
2 5 D1 3 6
Arithmetic Compare X
with Memory CPX
A3 2 2 B3 2 4 C3 3 5 F3 1
4 E3
2 5 D3 3 6
Bit Test Memory with A
(Logical Compare) BIT
A5 2 2 B5 2 4 C5 3 5 F5 1
4 E5
2 5 D5
3
6
Jump Unconditional JMP
-
- -
Be 2 3 CC 3 4 FC
1
3
EC
2 4 DC
3
5
Jump to Subroutine JSR
- - -
BD 2 7 CD
~
S FD 1
7
~D
_ 2_
,---S __
'-~
~~--
'------9_
-

Motorola MC6805R Series Specifications

General

Brand	Motorola
Model	MC6805R Series
Category	Computer Hardware
Language	English