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In these cases the first value indicates the number of cycles used on a 6809 or a 6309 CPU running in Emulation mode. The second value indicates the number of
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22. The Instruction Set. (For page number reference see the list of 6809 instructions at the back of the book.).
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With 3 years of history it is now possible to analyze many of the existing M6809 programs to see how the computer is actually used. This paper includes data I
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Instruction Set. APPENDIX A. INSTRUCTION SET DETAILS. A.1. A.2. Introduction 4 LAST INSTRUCTION CYCLE (LIC) (MC6809E). This output goes high during the last.
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The convention will be used that what is output by the monitor will be underlined in the examples in this manual. A complete list of the 6809 instruction set ...
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instruction set and other details of the Motorola 6809 processor. Part 2 is a question and answer discussion of the design philosophy that went into the 6809.
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The basic instructions of any computer are greatly enhanced by the presence of powerful addressing modes. The MC6809 has the most complete set of addressing
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Table 1: 6809 instruction set. 8 BIT OPERATIONS. Mnemonic. Description. ABX. Add B register to X register unsigned. ADCA ADCB. Add memory to accumulator with.
6x09 Instruction Sets
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6809 Instruction Set 3-38 .. 6800/6809 Compatibility 3-38. 6801/6809 Compatibility 3-44. 6502/6809 Compatibility 3-45. Motorola 6809 Assembler Conventions
6809 Instruction Set Instruction Mnemonic Addressing Mode
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1 nov. 2010 address memory to obtain data and instructions. The MC6809 and MC6809E have a ver- satile set of addressing modes which allow them to ...
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The basic instructions of any computer are greatly enhanced by the presence of powerful addressing modes. The MC6809 has the most complete set of addressing
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MC6809-MC6809E. Microprocessor Programming Manual. 8 BIT. M6809. M6809PM/AD Last Instruction Cycle (LIC) (MC6809E). ... INSTRUCTION SET DETAILS.
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The basic instructions of any computer are greatly enhanced by the presence of powerful addressing modes. The HD6809 has the most complete set of addressing
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6809 Instruction Set
Instruction
MnemonicAddressing Mode
Description
CC bit
ImmediateDirect
IndexedExtended
Inherent53210
Op~# Op~ #Op~#Op~#Op~#HNZVC ABX 3A31X = B+X (Unsigned)
ADCADCA89229942A94+
2+B953 A = A+M+C
ADCBC922D9
42E94+2+
F953B = B+M+C
ADDADDA8B22
9B42AB4+2+BB5
3 A = A+M+++++
ADDBCB2
2 DB42
EB4+2+FB5 3 B = B+M+++++
ADDDC343D3
62E36+2+
F373D = D+M:M+1 +++
+ANDANDA842 2 94
42A4 4+ 2+ B4 5
3 A = A && M
0ANDBC422D442E4
4+2+F453 B = B && M ++0
ANDCC1C
32C = CC && IMM?????
ASLASLA 4821
Arithmetic
shift left 8++++ ASLB 58218++ ASL 086
2686+2+7873
8++++ ASR ASRA 4721Arithmetic
shift right 8+ASRB 57218++ +
ASR 07
62676+2+7773 8++ +
BITBITA852295
42A54+2+
B55 3Bit Test A (M&&A)
++0BITBC52
2D542E54+2+F553 Bit Test B (M&&B)
++0 CLR CLRA4F21A = 0
01 00 CLRB 5F21B = 0 010
0CLR 0F62
6F6+2+7F73 M = 0 0
100CMP
CMPA81
229142A1 4+ 2+ B1 5 3 Compare M from A8++++
CMPBC1 2 2 D1 42E1 4+ 2+
F1 5 3
Compare M from B8++
CMPD 10 835 4 10
937310
A3
7+ 3+ 10
B3 8 4Compare M:M+1
from D CMPS 11 8C5 4 11
9C 7311AC 7+ 3+ 11 BC 8 4
Compare M:M+1
from S +CMPU11 835 4 11
93 7311
A3 7+ 3+ 11 B3 8 4Compare M:M+1
from UCMPX8C
4 3 9C 62AC
6+ 2+ BC 7 3
Compare M:M+1from X
CMPY 10 8C5 4 10
9C 7310 AC
7+ 3+ 10
BC 8 4Compare M:M+1
from Y COMCOMA 4321A = complement(A) ++01
COMB 532
1B = complement(B)
++01COM 0362636+2+7373 M = complement(M)
+01CWAI 3C
20 2CC = CC ^ IMM;
Wait for Interrupt
7 DAA19 21Decimal Adjust A
++0+ DEC DECA4A21A = A 1 +++
DECB 5A21B = B 1 +++
DEC 0A626A6+2+7A73 M = M 1 +++
6809 Instruction Sethttp://ironbark.bendigo.latrobe.edu.au/staff/mal/6809.htm
EOREORA882298
42A84+2+B85 3 A = A XOR M ++0
EORBC822D842E84+
2+F853 B = M XOR B
++0EXGR1,R21E 82
exchange R1,R2 INC INCA4C21A = A + 1 +++
INCB 5C21B = B + 1 ++
INC 0C62
6C6+2+7C73 M = M + 1
JMP 0E326E3+2+7E43 pc = EA
JSR9D72AD7+2+BD
83 jump to subroutine
6809 Instruction Set
InstructionMnemonic
Addressing Mode
Description
CC bit
ImmediateDirectIndexed
ExtendedInherent53
210Op~#
Op~#Op~#Op~
#Op ~#HNZV CLDLDA8622964 2A6 4+ 2+ B6 5 3
A = M ++0LDBC6 2 2 D6 4 2E6 4+ 2+ F6 5 3 B = M +
+0 LDDCC3 3 DC 5 2EC5+ 2+ FC6 3 D = M:M+1 ++
0 LDS 10CE4 4 10
DE6 310
EE6+ 3+ 10
FE 74 S = M:M+1 ++
0 LDUCE3 3 DE5 2EE 5+ 2+ FE 6 3 U = M:M+1 ++0
LDX8E3
3 9E 5 2AE 5+ 2+ BE 6 3 X = M:M+1 ++0
LDY 10 8E4 4 10
9E 6 310 AE 6+ 3+ 10 BE 7 4Y = M:M+1 ++0
LEALEAS 324+2+
S = EA
LEAU 334+
2+ U = EA
LEAX 304+2+ X = EA
LEAY314+2+ Y = EA +
LSL LSLA 4821
Logical
shiftleft LSLB5821 ++++
LSL 0862686+2+7873
LSR LSRA 4421Logical
shift right 0+ +LSRB 5421
0+ + LSR0462646+2+74
73 0+ +
MUL 3D111D = A*B
(Unsigned) + 9NEGNEGA 4021A = !A + 18++
++NEGB 5021B = !B + 18++
NEG 0062606+2+
7073 M = !M + 1
8+++ +NOP 1221No Operation
ORORA8A2 2 9A 4 2AA 4+ 2+ BA 5 3 A = A || M ++0
ORBCA22DA42
EA4+2+
FA53 B = B || M
0 ORCC 1A32C = CC || IMM?????
PSH PSHS34 5+2
Push Registers onS Stack
PSHU 365+2
Push Registers on
U Stack
6809 Instruction Set
PUL PULS35 5+2
Pull Registers
from S Stack PULU 375+2Pull Registers
from U Stack ROLROLA 4921
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