6809 set.txt part of SOLARTRON 6809 set 6809 set.txt, . Rare and Ancient Equipment SOLARTRON 7081 Mickle diagrams 6809 set.txt text manual preview

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| Motorola |
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| 666 88888 000 99999 |
| 6 8 8 0 0 9 9 |
| 6 8 8 0 0 0 9 9 |
| 666666 88888 0 0 0 999999 |
| 6 6 8 8 0 0 0 9 |
| 6 6 8 8 0 0 9 |
| 66666 88888 000 9999 |
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| 6809 MICROPROCESSOR Instruction Set Summary |
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| _________ _________ |
| _| \__/ |_ ____ |
| Vss |_|1 40|_| Halt <-- |
| ___ _| |_ |
| --> NMI |_|2 39|_| XTAL <-- |
| ___ _| |_ |
| --> IRQ |_|3 38|_| EXTAL <-- |
| ____ _| |_ _____ |
| --> FIRQ |_|4 37|_| Reset <-- |
| _| |_ |
| <-- BS |_|5 36|_| MRDY <-- |
| _| |_ |
| <-- BA |_|6 35|_| Q --> |
| _| |_ |
| Vcc |_|7 34|_| E --> |
| _| |_ ___ ____ |
| <-- A0 |_|8 33|_| DMA/BREQ <-- |
| _| |_ _ |
| <-- A1 |_|9 32|_| R/W --> |
| _| |_ |
| <-- A2 |_|10 6809 31|_| D0 <--> |
| _| |_ |
| <-- A3 |_|11 30|_| D1 <--> |
| _| |_ |
| <-- A4 |_|12 29|_| D2 <--> |
| _| |_ |
| <-- A5 |_|13 28|_| D3 <--> |
| _| |_ |
| <-- A6 |_|14 27|_| D4 <--> |
| _| |_ |
| <-- A7 |_|15 26|_| D5 <--> |
| _| |_ |
| <-- A8 |_|16 25|_| D6 <--> |
| _| |_ |
| <-- A9 |_|17 24|_| D7 <--> |
| _| |_ |
| <-- A10 |_|18 23|_| A15 --> |
| _| |_ |
| <-- A11 |_|19 22|_| A14 --> |
| _| |_ |
| <-- A12 |_|20 21|_| A13 --> |
| |______________________| |
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|Written by Jonathan Bowen |
| Programming Research Group |
| Oxford University Computing Laboratory |
| 8-11 Keble Road |
| Oxford OX1 3QD |
| England |
| |
| Tel +44-865-273840 |
| |
|Created August 1981 |
|Updated April 1985 |
|Issue 1.5 Copyright (C) J.P.Bowen 1985|
----------------------------------------------------------------
----------------------------------------------------------------
|Mnemon.|Op|IHNZVC|IEXD#R|~|Description |Notes |
|-------+--+------+------+-+----------------------+------------|
|ABX |3A|------|X |3|Add to Index Register |X=X+B |
|ADCa s|B9|-*****| XXXXX|5|Add with Carry |a=a+s+C |
|ADDa s|BB|-*****| XXXXX|5|Add |a=a+s |
|ADDD s|F3|-*****| XXX*X|7|Add to Double acc. |D=D+s |
|ANDa s|B4|--**0-| XXXXX|5|Logical AND |a=a&s |
|ANDCC s|1C|?????1| X |3|Logical AND with CCR |CC=CC&s |
|ASL d|78|--****| XXX X|7|Arithmetic Shift Left |d=d*2 |
|ASLa |48|--****|X |2|Arithmetic Shift Left |a=a*2 |
|ASR d|77|--****| XXX X|7|Arithmetic Shift Right|d=d/2 |
|ASRa |47|--****|X |2|Arithmetic Shift Right|a=a/2 |
|BCC m|24|------| x|3|Branch if Carry Clear |If C=0 |
|BCS m|25|------| x|3|Branch if Carry Set |If C=1 |
|BEQ m|27|------| x|3|Branch if Equal |If Z=1 |
|BGE m|2C|------| x|3|Branch if Great/Equal |If NxV=0 |
|BGT m|2E|------| x|3|Branch if Greater Than|If Zv{NxV}=0|
|BHI m|22|------| x|3|Branch if Higher |If CvZ=0 |
|BHS m|24|------| x|3|Branch if Higher/Same |If C=0 |
|BITa s|B5|--**0-| XXXXX|5|Bit Test accumulator |a&s |
|BLE m|2F|------| x|3|Branch if Less/Equal |If Zv{NxV}=1|
|BLO m|25|------| x|3|Branch if Lower |If C=1 |
|BLS m|23|------| x|3|Branch if Lower/Same |If CvZ=1 |
|BLT m|2D|------| x|3|Branch if Less Than |If NxV=1 |
|BMI m|2B|------| x|3|Branch if Minus |If N=1 |
|BNE m|26|------| x|3|Branch if Not Equal |If Z=0 |
|BPL m|2A|------| x|3|Branch if Plus |If N=0 |
|BRA m|20|------| x|3|Branch Always |PC=m |
|BRN m|21|------| x|3|Branch Never |NOP |
|BSR m|8D|------| x|7|Branch to Subroutine |-[S]=PC,BRA |
|BVC m|28|------| x|3|Branch if Overflow Clr|If V=0 |
|BVS m|29|------| x|3|Branch if Overflow Set|If V=1 |
|CLR d|7F|--0100| XXX X|7|Clear |d=0 |
|CLRa |4F|--0100|X |2|Clear accumulator |a=0 |
|CMPa s|B1|--****| XXXXX|5|Compare |a-s |
|CMPD s|B3|--****| XXX*X|8|Compare Double acc. |D-s (10H)|
|CMPS s|BC|--****| XXX*X|8|Compare Stack pointer |S-s (11H)|
|CMPU s|B3|--****| XXX*X|8|Compare User stack ptr|U-s (11H)|
|CMPi s|BC|--****| XXX*X|7|Compare |i-s (Y ~s=8)|
|COM d|73|--**01| XXX X|2|Complement |d=~d |
|COMa |43|--**01|X |7|Complement accumulator|a=~a |
|CWAI n|3C|E?????| X |K|AND CCR, Wait for int.|CC=CC&n,E=1,|
|DAA |19|--****|X |2|Decimal Adjust Acc. |A=BCD format|
|DEC d|7A|--***-| XXX X|7|Decrement |d=d-1 |
|DECa |4A|--***-|X |2|Decrement accumulator |a=a-1 |
|EORa s|B8|--**0-| XXXXX|5|Logical Exclusive OR |a=axs |
|EXG r,r|1E|------|X |8|Exchange (r1 size=r2) |r1<->r2 |
|INC d|7C|--***-| XXX X|7|Increment |d=d+1 |
|INCa |4C|--***-|X |2|Increment accumulator |a=a+1 |
|JMP s|7E|------| XXX X|4|Jump |PC=EAs |
|JSR s|BD|------| XXX X|8|Jump to Subroutine |-[S]=PC,JMP |
|LBcc nn|10|------| x|5|Long cond. Branch(~=6)|If cc LBRA |
|LBRA nn|16|------| x|5|Long Branch Always |PC=nn |
|LBSR nn|17|------| x|9|Long Branch Subroutine|-[S]=PC,LBRA|
|LDa s|B6|--**0-| XXXXX|5|Load accumulator |a=s |
|LDD s|FC|--**0-| XXX*X|6|Load Double acc. |D=s |
|LDS s|FE|--**0-| XXX*X|7|Load Stack pointer |S=s (10H)|
|LDU s|FE|--**0-| XXX*X|6|Load User stack ptr |U=s |
|LDi s|BE|--**0-| XXX*X|6|Load index register |i=s (Y ~s=7)|
|LEAp s|3X|---i--| xX X|4|Load Effective Address|p=EAs(X=0-3)|
|LSL d|78|--0***| XXX X|7|Logical Shift Left |d={C,d,0}<- |
|LSLa |48|--0***|X |2|Logical Shift Left |a={C,a,0}<- |
|LSR d|74|--0***| XXX X|7|Logical Shift Right |d=->{C,d,0} |
|LSRa |44|--0***|X |2|Logical Shift Right |d=->{C,d,0} |
|MUL |3D|---*-*|X |B|Multiply |D=A*B |
|NEG d|70|-?****| XXX X|7|Negate |d=-d |
|NEGa |40|-?****|X |2|Negate accumulator |a=-a |
|NOP |12|------|X |2|No Operation | |
|ORa s|BA|--**0-| XXXXX|5|Logical inclusive OR |a=avs |
|ORCC n|1A|??????| X |3|Inclusive OR CCR |CC=CCvn |
|PSHS r|34|------|X |2|Push reg(s) (not S) |-[S]={r,...}|
|PSHU r|36|------|X |2|Push reg(s) (not U) |-[U]={r,...}|
|PULS r|35|??????|X |2|Pull reg(s) (not S) |{r,...}=[S]+|
|PULU r|37|??????|X |2|Pull reg(s) (not U) |{r,...}=[U]+|
|ROL d|79|--****| XXX X|7|Rotate Left |d={C,d}<- |
|ROLa |49|--****|X |2|Rotate Left acc. |a={C,a}<- |
|ROR d|76|--****| XXX X|7|Rotate Right |d=->{C,d} |
|RORa |46|--****|X |2|Rotate Right acc. |a=->{C,a} |
----------------------------------------------------------------
----------------------------------------------------------------
|Mnemon.|Op|IHNZVC|IEXD#R|~|Description |Notes |
|-------+--+------+------+-+----------------------+------------|
|RTI |3B|-*****|X |6|Return from Interrupt |{regs}=[S]+ |
|RTS |39|------|X |5|Return from Subroutine|PC=[S]+ |
|SBCa s|B2|--****| XXXXX|5|Subtract with Carry |a=a-s-C |
|SEX |1D|--**--|X |2|Sign Extend |D=B |
|STa d|B7|--**0-| XXX X|5|Store accumultor |d=a |
|STD d|FD|--**0-| XXX X|6|Store Double acc. |D=a |
|STS d|FF|--**0-| XXX X|7|Store Stack pointer |S=a (10H)|
|STU d|FF|--**0-| XXX X|6|Store User stack ptr |U=a |
|STi d|BF|--**0-| XXX X|6|Store index register |i=a (Y ~s=7)|
|SUBa s|B0|--****| XXXXX|5|Subtract |a=a-s |
|SUBD s|B3|--****| XXX*X|7|Subtract Double acc. |D=D-s |
|SWI |3F|1-----|X |J|Software Interrupt 1 |-[S]={regs} |
|SWI2 |3F|E-----|X |K|Software Interrupt 2 |SWI (10H)|
|SWI3 |3F|E-----|X |K|Software Interrupt 3 |SWI (11H)|
|SYNC |13|------|X |2|Sync. to interrupt | (min ~s=2)|
|TFR r,r|1F|------|X |6|Transfer (r1 size<=r2)|r2=r1 |
|TST s|7D|--**0-| XXX X|7|Test |s |
|TSTa |4D|--**0-|X |2|Test accumulator |a |
|----------+------+------+-+-----------------------------------|
| CCR |-*01? | | |Unaffect/affected/reset/set/unknown|
| E |E | | |Entire flag (Bit 7, if set RTI~s=F)|
| F I |I | | |FIRQ/IRQ interrupt mask (Bit 6/4) |
| H | H | | |Half carry (Bit 5) |
| N | N | | |Negative (Bit 3) |
| Z | Z | | |Zero (Bit 2) |
| V | V | | |Overflow (Bit 1) |
| C | C| | |Carry/borrow (Bit 0) |
|-----------------+------+-------------------------------------|
| a |I | |Inherent (a=A,Op=4XH, a=B,Op=5XH) |
| nn,E | E | |Extended (Op=E, ~s=e) |
| [nn] | x | |Extended indirect |
| xx,p! | X | |Indexed (Op=E-10H, ~s=e-1) |
| [xx,p!] | X | |Indexed indirect (p!=p++,--p only) |
| n,D | D | |Direct (Op=E-20H, ~s=e-1) |
| #n | # | |Immediate (8-bit, Op=E-30H, ~s=e-3)|
| #nn | * | |Immediate (16-bit) |
| m | x| |Relative (PC=PC+2+offset) |
| [m] | R| |Relative indirect (ditto) |
|--------------------------+-----------------------------------|
|DIRECT |Direct addressing mode |
|EXTEND |Extended addressing mode |
|FCB n |Form Constant Byte |
|FCC 'string' |Form Constant Characters |
|FDB nn |Form Double Byte |
|RMB nn |Reserve Memory Bytes |
|--------------------------+-----------------------------------|
| A B |Accumulators (8-bit) |
| CC |Condition Code register (8-bit) |
| D |A and B (16-bit, A high, B low) |
| DP |Direct Page register (8-bit) |
| PC |Program Counter (16-bit) |
| S U |System/User stack pointer(16-bit) |
| X Y |Index registers (16-bit) |
|--------------------------+-----------------------------------|
| a |Acc A or B (a=A,Op=BXH, a=B,Op=FXH)|
| d s EA |Destination/source/effective addr. |
| i p r |Regs X,Y/regs X,Y,S,U/any register |
| m |Relative address (-126 to +129) |
| n nn |8/16-bit expression(0 to 255/65535)|
| xx p! |A,B,D,nn/p+,-p,p++,--p (indexed) |
| + - * / |Add/subtract/multiply/divide |
| & ~ v x |AND/NOT/inclusive OR/exclusive OR |
| <- -> <-> |Rotate left/rotate right/exchange |
| [ ] [ ]+ -[ ] |Indirect address/increment/decr. |
| { } |Combination of operands |
| {regs} |If E {PC,U/S,Y,X,DP,B,A,CC}/{PC,CC}|
| (10H) (11H) |Hex opcode to precede main opcode |
|--------------------------+-----------------------------------|
| FFF0H to FFF1H |Reserved by Motorola |
| FFF2H to FFF3H |SWI3 instruction interrupt vector |
| FFF4H to FFF5H |SWI2 instruction interrupt vector |
| FFF6H to FFF7H |Fast hardware int. vector (FIRQ) |
| FFF8H to FFF9H |Hardware interrupt vector (IRQ) |
| FFFAH to FFFBH |SWI instruction interrupt vector |
| FFFCH to FFFDH |Non-maskable interrupt vector (NMI)|
| FFFEH to FFFFH |Reset vector |
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