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----------------------------------------------------------------
|                                                              |
|                                                              |
|                           Motorola                           |
|                                                              |
|           666      88888      000      1      000            |
|          6        8     8    0   0    11     0   0           |
|         6         8     8   0   0 0    1    0   0 0          |
|         666666     88888    0  0  0    1    0  0  0          |
|         6     6   8     8   0 0   0    1    0 0   0          |
|         6     6   8     8    0   0     1     0   0           |
|          66666     88888      000     111     000            |
|                                                              |
|        68010 MICROPROCESSOR Instruction Set Summary          |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                    _________    _________                    |
|                   |         \__/         |                   |
|          <--> D4 -|1                   64|- D5 <-->          |
|          <--> D3 -|2                   63|- D6 <-->          |
|          <--> D2 -|3                   62|- D7 <-->          |
|          <--> D1 -|4                   61|- D8 <-->          |
|          <--> D0 -|5                   60|- D9 <-->          |
|          <-- ~AS -|6                   59|- D10 <-->         |
|         <-- ~UDS -|7                   58|- D11 <-->         |
|         <-- ~LDS -|8                   57|- D12 <-->         |
|         <-- R/~W -|9                   56|- D13 <-->         |
|       --> ~DTACK -|10                  55|- D14 <-->         |
|          <-- ~BG -|11                  54|- D15 <-->         |
|       --> ~BGACK -|12                  53|- GND              |
|          --> ~BR -|13                  52|- A23 -->          |
|              Vcc -|14                  51|- A22 -->          |
|          --> CLK -|15                  50|- A21 -->          |
|              GND -|16       68010      49|- Vcc              |
|       <--> ~HALT -|17                  48|- A20 -->          |
|      <--> ~RESET -|18                  47|- A19 -->          |
|         <-- ~VMA -|19                  46|- A18 -->          |
|            <-- E -|20                  45|- A17 -->          |
|         --> ~VPA -|21                  44|- A16 -->          |
|        --> ~BERR -|22                  43|- A15 -->          |
|        --> ~IPL2 -|23                  42|- A14 -->          |
|        --> ~IPL1 -|24                  41|- A13 -->          |
|        --> ~IPL0 -|25                  40|- A12 -->          |
|          <-- FC2 -|26                  39|- A11 -->          |
|          <-- FC1 -|27                  38|- A10 -->          |
|          <-- FC0 -|28                  37|- A9 -->           |
|           <-- A1 -|29                  36|- A8 -->           |
|           <-- A2 -|30                  35|- A7 -->           |
|           <-- A3 -|31                  34|- A6 -->           |
|           <-- A4 -|32                  33|- A5 -->           |
|                   |______________________|                   |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|                                                              |
|Written by     Jonathan Bowen                                 |
|               Programming Research Group                     |
|               Oxford University Computing Laboratory         |
|               8-11 Keble Road                                |
|               Oxford OX1 3QD                                 |
|               England                                        |
|                                                              |
|               Tel +44-865-273840                             |
|                                                              |
|Created        November 1984                                  |
|Updated        April 1985                                     |
|Issue          1.1                Copyright (C) J.P.Bowen 1985|
----------------------------------------------------------------
----------------------------------------------------------------
|Mnemonic   |XNZVC|BWL|Description           |Notes            |
|-----------+-----+---+----------------------+-----------------|
|ABCD  s,d  |*?*?*|X  |Add BCD format        |d=BCD{d+s+X}     |
|ADD   s,d  |*****|XXX|Add binary            |d=d+s            |
|ADDA  s,An |-----| XX|Add Address           |An=An+s          |
|ADDI  #e,d |*****|XXX|Add Immediate         |d=d+e            |
|ADDQ  #q,d |*****|XXX|Add Quick             |d=d+q            |
|ADDX  s,d  |*****|XXX|Add Extended          |d=d+s+X          |
|AND   s,d  |-**00|XXX|Logical AND           |d=d&s            |
|ANDI  #e,d |-**00|XXX|Logical AND Immediate |d=d&e            |
|ASlr  d    |*****|XXX|Arithmetic Shift      |d=d*2 or d=d/2   |
|Bcc   l    |-----|XX |Branch conditionally  |If cc BRA        |
|BCHG  s,d  |--*--| XX|Bit test and Change   |BTST,d<s>=Z      |
|BCLR  d    |--*--| XX|Bit test and Clear    |BTST,d<s>=0      |
|BRA   l    |-----|XX |Branch Always         |PC=l             |
|BSET  d    |--*--| XX|Bit test and Set      |BTST,d<s>=1      |
|BSR   l    |-----|XX |Branch to Subroutine  |-[SP]=PC,PC=l    |
|BTST  d    |--*--| XX|Bit Test              |Z=~d<s>          |
|CHK   s,Dn |-*???| X |Check register        |If 0>Dn>s $[18H] |
|CLR   d    |-0100|XXX|Clear operand         |d=0              |
|CMP   s,Dn |-****|XXX|Compare               |Dn-s             |
|CMPA  s,An |-****|XXX|Compare Address       |An-s             |
|CMPI  #e,d |-****|XXX|Compare Immediate     |d-e              |
|CMPM  s,d  |-****|XXX|Compare Memory        |d-s              |
|DBcc  Dn,l |-----|   |Decrement and Branch  |If~cc&Dn-1~-1 BRA|
|DIVS  s,Dn |-***0| X |Signed Division       |Dn={Dn%s,Dn/s}   |
|DIVU  s,Dn |-***0| X |Unsigned Division     |Dn={Dn%s,Dn/s}   |
|EOR   Dn,d |-**00|XXX|Exclusive OR          |d=dxDn           |
|EORI  #e,d |-**00|XXX|Exclusive OR Immediate|d=dxe            |
|EXG   r,r  |-----|  X|Exchange registers    |r<->r            |
|EXT   Dn   |-**00| XX|Extend sign           |Dn<hi>=Dn<7or15> |
|JMP   d    |-----|   |Jump                  |PC=d             |
|JSR   d    |-----|   |Jump to Subroutine    |-[SP]=PC,PC=d    |
|LEA   s,An |-----|  X|Load Effective Address|An=EA{s}         |
|LINK An,#nn|-----|   |Link and allocate     |-[SP]=An=SP=SP+nn|
|LSlr  d    |***0*|XXX|Logical Shift         |d=->{C,d,0}<-    |
|MOVE  s,d  |-**00|XXX|Move data             |d=s              |
|MOVE  s,cs |*****|XX |Move to status reg    |cs=s             |
|MOVE  cs,d |-----|XX |Move from status reg  |d=cs             |
|MOVE USP,An|-----|  X|Move User SP          |USP=An or An=USP |
|MOVEA s,An |-----| XX|Move Address          |An=s             |
|MOVEC Cr,An|-----|  X|Move Control register |Cr=An or An=Cr   |
|MOVEM s,d  |-----| XX|Move Multiple register|rr=s or d=rr     |
|MOVEP s,d  |-----| XX|Move Peripheral data  |d=Dn or Dn=s     |
|MOVEQ #q,d |-**00|  X|Move Quick            |d=q              |
|MOVES s,d  |-----|  X|Move alternate Space  |d=An or An=s     |
|MULS  s,Dn |-**00| X |Signed Multiply       |Dn<0:31>=Dn*s    |
|MULU  s,Dn |-**00| X |Unsigned Multiply     |Dn<0:31>=Dn*s    |
|NBCD  d    |*?*?*|X  |Negate BCD format     |d=BCD{-d-X}      |
|NEG   d    |*****|XXX|Negate                |d=-d             |
|NEGX  d    |*****|XXX|Negate with Extend    |d=-d-X           |
|NOP        |-----|   |No Operation          |                 |
|NOT   d    |-**00|XXX|Logical NOT           |d=~d             |
|OR    s,d  |-**00|XXX|Inclusive OR          |d=dvs            |
|ORI   #e,d |-**00|XXX|Inclusive OR Immediate|d=dve            |
|PEA   s    |-----|  X|Push Effective Address|-[SP]=EA{s}      |
|RESET      |-----|   |Reset external devices|Reset line=0     |
|ROlr  d    |-**0*|XXX|Rotate                |d=->{d}<-        |
|ROXlr d    |***0*|XXX|Rotate with Extend    |d=->{d}<-,X=C    |
|RTE        |*****|   |Return from Exception |SR=[SSP]+,RTS    |
|RTR        |*****|   |Return and Restore    |SR<0:4>=[SP]+,RTS|
|RTS        |-----|   |Return from Subroutine|PC=[SP]+         |
|SBCD  s,d  |*?*?*|X  |Subtract BCD format   |d=BCD{d-s-X}     |
|Scc   d    |-----|X  |Set conditionally     |d=0 or d=-1      |
|STOP  #nn  |*****|   |Load status and Stop  |SR=nn, wait      |
|SUB   s,d  |*****|XXX|Subtract binary       |d=d-s            |
|SUBA  s,An |-----| XX|Subtract Address      |An=An-s          |
|SUBI  #e,d |*****|XXX|Subtract Immediate    |d=d-e            |
|SUBQ  #q,d |*****|XXX|Subtract Quick        |d=d-q            |
|SUBX  s,d  |*****|XXX|Subtract with Extend  |d=d-s-X          |
|SWAP  Dn   |-**00| X |Swap register halves  |Dn<hi><->Dn<lo>  |
|TAS   d    |-**00|X  |Test And Set          |d<7>=1           |
|TRAP  #n   |-----|   |Trap          (n=0-15)|$[80H+4*n]       |
|TRAPV      |-----|   |Trap on Overflow      |If V=1 $[1CH]    |
|TST   d    |-**00|XXX|Test                  |d                |
|UNLK  An   |-----|   |Unlink                |SP=An,An=[SP]+   |
|DC e(,...) |?????|XXX|Define Constant       |**NOT an opcode**|
|DS e       |?????|XXX|Define Storage        |**NOT an opcode**|
----------------------------------------------------------------
----------------------------------------------------------------
|Mnemonic   |XNZVC|BWL|Description                             |
|-----------+-----+---+----------------------------------------|
| CCR       |-*01?|   |Unaffected/affected/reset/set/unknown   |
| T         |     |   |Trace mode flag (Bit 15)                |
| S         |     |   |Supervisor/user mode select (Bit 13)    |
| In        |     |   |Interrupt mask flag #n (Bits 8-10,n=0-2)|
| X         |X    |   |Extend flag (Bit 4)                     |
| N         | N   |   |Negative flag (Bit 3)                   |
| Z         |  Z  |   |Zero flag (Bit 2)                       |
| V         |   V |   |Overflow flag (Bit 1)                   |
| C         |    C|   |Carry flag (Bit 0)                      |
|-----------------+---+----------------------------------------|
| .B              |X  |Byte attribute (8-bit, .S for branch)   |
| .W              | X |Word attribute (16-bit)                 |
| .L              |  X|Long word attribute (32-bit)            |
|---------------------+----------------------------------------|
| Dn                  |Data register direct addressing         |
| An                  |Address register direct addressing      |
| [An]                |Register indirect addressing            |
| [An]+               |Post-increment register indirect addr.  |
| -[An]               |Pre-decrement register indirect addr.   |
| n[An]               |Offset register indirect addressing     |
| n[An,r]             |Index register indirect addressing      |
| nn                  |Short absolute data addressing          |
| nnnn                |Long absolute data addressing           |
| nn                  |Program counter relative addressing     |
| nn[r]               |Program counter with index addressing   |
| #e                  |Immediate data addressing               |
|---------------------+----------------------------------------|
| An                  |Address register (16/32-bit, n=0-7)     |
| CCR                 |Condition Code Register (8-bit, low SR) |
| Dn                  |Data register (8/16/32-bit, n=0-7)      |
| PC                  |Program Counter (24-bit)                |
| SFC DFC             |Alternative Function Code regs (3-bits) |
| SP                  |Active Stack Pointer (equivalent to A7) |
| SR                  |Status Register (16-bit)                |
| SSP                 |Supervisor Stack Pointer (32-bit)       |
| USP                 |User Stack Pointer (32-bit)             |
| VBR                 |Vector Base Register (32-bit)           |
|---------------------+----------------------------------------|
| BCD{ }  EA{ }       |Binary Coded Decimal/Effective Address  |
| cc                  |Condition = (T/F/HI/LS/CC/CS/NE/EQ/     |
|                     |           VC/VS/PL/MI/GE/LT/GT/LE)     |
| cs                  |Register CCR or SR                      |
| d  s                |Destination/source                      |
| e  n  nn  nnnn      |Any/8-bit/16-bit/32-bit expression      |
| l                   |Branch displacement label (8/16-bit)    |
| lr                  |Left/right direction = (L/R)            |
| q                   |Quick expression (1-8)                  |
| r                   |Any register An or Dn                   |
| rr                  |Multiple registers (-=range,/=separator)|
| +  -  *  /  %       |Add/subtract/multiply/divide/remainder  |
| &  ~  v  x          |AND/NOT/inclusive OR/exclusive OR       |
| ->{ }<-    <->      |Rotate left or right/exchange operands  |
| [ ]  -[ ]  [ ]+     |Indirect/autoincrement/autodecr. address|
| < >  <:>  <hi>  <lo>|Bit number/bit range/high half/low half |
| { }  {,}            |Combination of operands                 |
| $                   |Software trap -[SP]=PC,-[SP]=SR,PC=...  |
|---------------------+----------------------------------------|
| 0000H to 0007H      |Reset vector (initial SSP and PC)  (0-1)|
| 0008H to 000BH      |Bus error vector                     (2)|
| 000CH to 000FH      |Address error vector                 (3)|
| 0010H to 0013H      |Illegal instruction vector           (4)|
| 0014H to 0017H      |Zero divide vector                   (5)|
| 0018H to 001BH      |CHK instruction vector               (6)|
| 001CH to 001FH      |TRAPV instruction vector             (7)|
| 0020H to 0023H      |Privilege violation vector           (8)|
| 0024H to 0027H      |Trace vector                         (9)|
| 0028H to 002FH      |Line 1010/1111 emulator vectors  (10-11)|
| 0030H to 0037H      |Unassigned (reserved)            (12-13)|
| 0038H to 003BH      |Format error vector                 (14)|
| 003CH to 003FH      |Uninitialised interrupt vector      (15)|
| 0040H to 005FH      |Unassigned (reserved)            (16-23)|
| 0060H to 0063H      |Spurious interrupt vector           (24)|
| 0064H to 007FH      |Level 1-7 interrupt auto-vectors (25-31)|
| 0080H to 00BFH      |TRAP #0-15 instruction vectors   (32-47)|
| 00C0H to 00FFH      |Unassigned (reserved)            (48-63)|
| 0100H to 03FFH      |User interrupt vectors          (64-255)|
----------------------------------------------------------------


 


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