   Motorola 68000
   ⠢ 14-31  1994    ਠ :
   1) ૨ . "⥪  ணࠬ஢  "
   ᪢, "" 1984 
   2) ࠢ筨  யࠬ


    ᫮ 祭.
   {}            |਩
   <EA>          |ᯮ⥫ , .. ।⢥ ࠭
                 |ਬ: C00006 LEA.W C00102,D0
                 |        C0000C JMP D0
                 |..   JMP <EA>=C00102
   LB            | 
   HB            |孨  ᫮
   LW            | ᫮  ᫮
   HW            |孥 ᫮  ᫮
   B             | = 8 
   W             |᫮ = 16 
   L             | ( ᫮)
   A_B           |  A  B ⥫쭮
   A_            |  A
   src           |筨 (source)
   dst           |ਥ (destination)
   regs          |᫥⥫쭠, १ /  -  ॣ஢ (
                 | 浪). ਬ A2-A7  A2/D1-D7/SP/A4-A6
   len           | ࠭   (1,2  4)
   data          |8,16  32 ⭮ 祭
   MEM[addr]     |8,16  32 ⭮ 祭 ᯮ  ,
                 |稭   addr.  ⮣ 祭
                 |ᮮ⢥ ࠧ ࠭.
   addr24        |24-  ᮫  
   addr16        |᮫      孨
                 |32  16 ⭮ ᭮ ࠭⢠.
                 | ᮤন W 祭, ஥  
                 |⮬   24 ,  祭 ᮫⭮
                 | ࠭.
   An            | ॣ A0-A7  SP
   Dn            |ॣ  D0-D7
   Xn            | ॣ D0-D7,A0-A7  SP
   Xn_LW         |24 ⭮ 祭, 祭   ७, 
                 |⮬ , ᮤন LW ᭮ ॣ
   ofst8  ofst16|8  16  祭,   
                 |24   ⮬  । ᯮ짮 
                 |᫥ ᯮ⥫쭮 
   radr8  radr16|६頥 , ᯮ ᮮ⢥⢥ 
                 |। 128  32768    ᮤঠ饩
                 |.  ᮤন B  W ᬥ饭 ஥
                 |  24   ⮬   믮
                 |,  ⥬   稪  {PC}
                 | 祭 ᯮ⥫쭮 

P 1.
P稥 pp  䫠 ppp


          31           16 15    8 7      0
D0       +---------------+-------+-------+ \
D1       +---------------+-------+-------+ |
D2       +---------------+-------+-------+ |
D3       +---------------+-------+-------+ | ॣ
D4       +---------------+-------+-------+ | 
D5       +---------------+-------+-------+ |
D6       +---------------+-------+-------+ |
D7       +---------------+-------+-------+ /

         |--------------------------------  <-L ong { ᫮}
                         |----------------  <-W ord {᫮}
                                 |--------  <-B yte {}
          31           16 15            0
A0       +---------------+---------------+ \
A1       +---------------+---------------+ |
A2       +---------------+---------------+ |
A3       +---------------+---------------+ | ॣ
A4       +---------------+---------------+ | 
A5       +---------------+---------------+ |
A6       +---------------+---------------+ /

A7 (USP) +-------------------------------+ \ 㪠⥫
SP (A7') +-------------------------------+ / ⥪

UserStackPointer - 㪠⥫ ⥪ 짮⥫
StackPointer     - 㪠⥫ ⥪ 㯥ࢨ

          31      23                    0
PC       +-------+-----------------------+   ணࠬ 稪
          15    8 7     0
SR       +-------+-------+                   ॣ ﭨ

         HB ⥬
         LB 짮⥫ (ॣ  ᫮ - CCR)

 SR :
  0 C   䫠 ७ 1
  1 V   䫠 ९
  2 Z   䫠 ࠢ⢠ 
  3 N   䫠 ⥫쭮 ᫠
  4 X   䫠 ८ 2
           䬥᪨  ⠭  
          祭   C,     
         뫪  ᯥ稢 ᫥  襭
         筮.
  8 I0\ ⠭ ਮ ࠡ⪨ 뢠  譨 -.
  9 I1|    0-7, ..  ਭ 뢠 
 10 I2/  ᮪ ਮ.  : ᫨ ஢ 뢠
          祬 I1 I2 I3,  ࠡ⪠ 뢠. 0 ⢨
         뢠, 1-6 ଠ 뢠, 7  ᪨㥬
         뢠.
 13 S   砥 ०  (.. ⥬ ०).
          ० 㯥ࢨ ⠭ 㯭묨 
         ਢ஢    ⤥ 㪠⥫
         ⥪.  ⠭  ஢ T  ० 㯥ࢨ
          ० ஢,  ஬ ᫥ 믮
            ७ 뢠.  ⮬
         ० ணࠬ-⫠稪  ஫஢ १
          .  ० 室  ࠧࠡ⪥ 
         ⨢ 짮  ਬ - ८ࠧ
         ᮢ .
            A7 StackPointer  ० 
            SP StackPointer  ० 
 15 T   䫠 ० ஢.
         ᫥ 믮 ᫥饩  뢠 ।
         ࠢ 樮 ⥬.
 ⠫  ⠭  0.

P 2.
p⠢ ⮢, ᫮   ᫮  


   
01234   23 45
01236   67 89
01238   AB CD
1235 -  (B) 45; 1234:1235 - ᫮ (W) 2345
1236:1237_1238_1239 -  ᫮ (L) 6789ABCD

ਬ砭: 饭  W  L  ⭮  ਢ  
            樨.

ਬ ଠ :

)  MOVE                    )    ࠭
   15:12  樨                 15:12  樨
   11:06 dst                          11:09 pp
   05:00 src                          08:06 ० 믮
                                            樨
                                      05:00 src/dst
)    ࠭       )    ࠭
   ᯮ  ॣ
   15:03  樨                 15:08  樨
   02:00 ਣ                      07:06 ࠧ ࠭
                                      05:00 dst
)  室  ᫮     )    
                                      ।  樨
   15:12  樨                 15:00  樨
   11:08 ᫮
   07:00 ᬥ饭

 ᯮ⥫쭮  ࠭:
05:03 ०   02:00 ॣ

  =0          D0-D7
  =1          A0-A7
  =2-6         ॣ  ᯮ  ᫥
              ᯮ⥫쭮  ࠭  
  =7          ᯮᮡ 樨  ஬  ⢮ ॣ

ਬ砭:   MOVE  ०  ॣ ⠢.

P  3.
ᠭ p 


ORG
ORG $1000           ⪨ ᮫  砫 ணࠬ
ORG.L $C08400        ᮫  砫 ணࠬ

RORG
RORG 0              ⭮⥫  砫 ணࠬ

EQU
CR  EQU $0D         ⠢  ᮮ⢥⢨  ᨬ 8 (16,32) ⭮
                    祭

SET
CT  SET CT+1            EQU,  ᪠ ८।

DC
AB  DC.B 12          ⠭ ᫥⥫쭮  
SD  DC 34A6         ᫮ *
FF  DC.L 1234DFA2    ᫮ *

DS
BT  DS.B 12         १ࢨ n ⮢
G2  DS.W 45         ᫮ *
T4  DS.L 2           ᫮ *

END
END                  ᥬ஢

MACRO
M1  MACRO ASD       砫 । 

ENDM
ENDM                 । 

* - ᫨ ᯮ㥬 ࠧ W  L  ᥬ ⮬᪨
    ⠭ LB ணࠬ 稪 (PC)  ⭮ 祭.

P 4.
ᠭ ᯮᮡ p樨


1) ﬠ  ॣ                             Dn -> 
        MOVE Dn,
2) ﬠ  ॣ                             An -> 
        MOVE An,
3) ।⢥                                     data -> 
        MOVE #data,
4) ᮫⭠  (addr24)                          MEM[addr24]
        TST C08F12
5) ᮫⭠ ⪠ (addr16)                         MEM[addr16]
        TST 00F234.S
6) ᢥ  ᭮ ॣ                      MEM[An]
        TST (An)
7) ⮨६⭠ ( 㢥筥  1,2  4)       MEM[An]; An=An+len
        TST (An)+
8) ⮤६⭠ ( 㬥襭  1,2  4)        An=An-len; MEM[An]
        TST -(An)
9) ஢ ᢥ                                MEM[An+ofst16]
        NEG ofst16(An)
10)஢ ᢥ  ஢              MEM[An+Xn_LW+ofst8]
   (⪠)
        NEG ofst8(An,Xn)
        TST ofst8(An,Xn.W)
11)஢ ᢥ  ஢              MEM[An+Xn+ofst8]
   ()
        TST ofst8(An,Xn.L)
12)⭮⥫쭠                                        MEM[PC+radr16]
        TST radr16(PC)
13)⭮⥫쭠  ஢ (⪠)           MEM[PC+Xn_LW+radr8]
        NEG radr8(PC,Xn)
        TST radr8(PC,Xn.W)
14)⭮⥫쭠  ஢ ()            MEM[PC+Xn+radr8]
        TST radr8(PC,Xn.L)


p筨: 樨  B  W  Dn  ᯮ  ࠧ冷 Dn,
            ᫥⥫쭮   .  An ࠧ ࠭ B  -
           . ᫨ An ᯮ  ,   ।⥫-
              32 
             (ਬ MOVE.W #$8234,A0 => A0=FFFF8234
              MOVE.W #$1234,A0 => A0=00001234)

 
++++++++++++++++++++++++++

1  2 ᫮ ᫥  . ᫨ ࠧ ࠭  B,  
LB ࢮ ᫮, HB  ᯮ. MOVEA ᯮ짮  ⢥ dst
᭮ ॣ. MOVEQ  ⢥ src ᯮ #data ࠧ஬ B,
 ᫮ ᮤন   . ADDQ  SUBQ  ⢥ src ᯮ
#data ࠧ஬ 3  (+1...+8). MOVEI ਭ㤨⥫쭮  ।⢥
.
 
++++++++++++++++++++
) 
   1 ᫮      15:0 -  
   2 ᫮      15:8 -  ᯮ
                 7:0 -   24 ⭮  (ਬ 12)
   3 ᫮      15:0 - ன  ⨩  24 ⭮ 
                       (ਬ 3456)
      123456.
) ⪠ (뤥 䨪ᮬ .S)
   1 ᫮      15:0 -  
   2 ᫮      15_  - 
                14:0 - ன  ⨩  
   ਬ 1234 =>  001234
          84A6 =>  FF84A6

 
+++++++++++++++++++

An ᮤন  HB ࠭.

  
+++++++++++++++++++++++++++++++++++

᫨ ࠭ A7 (.. SP)  ࠧ ࠭ B, CPU  A7  2,
⮡ 祭 SP 뫮 ࠢ  p ᫮,.. ᯮ HB ᫮.
  ⠫  An   ᮮ⢥⢨   ࠭.
ਬ : CLR.B (A0)+  祩 MEM[An],  ⥬ An=An+1.

  (   )
+++++++++++++++++++++++++++++++++++++++++++++

p 室  p ofst16( p 32768...+32767)+An.
ofst16 । ᫮   ᯮ짮   24 ⭮
筮 ᫠.

    (   ஢)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 ⪮ ᯮ 15:0 ᭮ pp (p pp  24),
  ᯮ 24 . ofst8(    ਭ 祭
-128..+128)+An+Xn.  㬮砭 ᯮ Xn.W .


+++++++++++++

PC+radr16(  24   ⮬ ).  ᥬp p 
ᯮ⥫ p,   radr16. ਬ :
        C08400 LEA C08440(PC),A1 -  ॣ A1 㧨 
        ᫮ {W}  祩 C08440,   C08440+PC {!}.

  㬮砭 src  , dst  ஬ ।⢥- 
 ⭮⥫. ᫨ ࠧ ࠭  ⠭  ᯮ
७ ( 㬮砭) .W .᫨ ࠧ ࠭ .B,  src  dst  
ᯮ짮   ᭮ ॣ An.  
⠭/࠭ 䫠 XNZVC.

P 5.
 ppp Motorola 68000


MOVE src,dst    ࠭ B,W,L

 ந 뫪 src->dst.
1.     ஢   ᫮  ⮬ 砥 ᫨
    ) dst -   ॣ 
    ) ࠧ ࠭ .L
    ) src - ।⢥ ࠭ -128...+127
    ⮬ 砥 㤥 ந ⠪ 뢠 "" 뫪,
     ⠪ ଠ   :
      MOVEQ #data,Dn   뫠 B-->L
2.     p⢥ 樨  ᯮ-
     MOVEI :
      MOVEI #data,A1   뫠 W-->A1
      MOVE.W #data,A1  筠 
3. ଠ MOVEA ᯮ  ⮬ 砥, ᫨ dst  ॣ An.
4. MOVEP Dn,src ()  MOVEP src,Dn (⥭).  ࠭
   W,L.
   /⥭     뤠(⥭) () ਩
   ன⢠.  src/dst  ᯮ짮 ⮫쪮 ॣ஢ ᢥ
    9.
5. MOVEM regs,dst ()  MOVEM src,regs (⥭).  ࠭ W,L.
    ⢫ /⥭ 㯯 ॣ஢ () .
   src   ᯮ짮 樨  ᭮ ॣ,  ॣ
   , ⮤६  ।⢥ 樨. dst  
   ᯮ짮 樨 :  ॣ ,  ᭮ ॣ,
   ।⢥, ⮨६    ⨯ ⭮⥫쭮 樨.
6. MOVE src,CCR.  ࠭ B.  뫠 LB src  ॣ
    ᫮ CCR.   src   ⨯ 樨, ஬
   樨  ॣ .
7. MOVE SR,dst.  ࠭ W. 뫪 ᮤন ॣﭨ 
   dst.   dst    樨, ஬ 権 
   ॣ ,  ॣ    ⨯ ⭮⥫ 権.
8. MOVE src,SR.  ࠭ W. 뫪 src  ॣ ﭨ.
    㯭 ⮫쪮  ० .  ᯮ짮 
    権,  ᪫祭 樨  ᭮ ॣ.
9. MOVE An,USP ()  MOVE USP,An (⥭).  ࠭ L.
   뫪 祭 An  㪠⥫ ⥪ 짮⥫  .
    㯭 쪮  ० .

ADD src,dst     ࠭ B,W,L.

 ᪫뢠 src c dst  頥 १  dst. dst=dst+src.
樨 ⨯ - . ᫨ src ᯮ 
।⢥      ॣ ,  dst 
  ॣ஬ (.. Xn).
1.     ஢   ᫮.  ⮬ 砥
   src   #data  । +1...+8.  ⮬  
   㤥 룫拉 ᫥騬 ࠧ :
      ADDQ #data,dst
     ᯮ짮  ࠧ ࠭.
2.  ᯮ짮 筮 ।⢥ 樨 (ਭ㤨⥫쭮
   㪠뢠 ᥬ,  ᯮ㥬  ADDQ) 室 
     ᫥饬 ଠ :
      ADDI #data,dst
3. ଠ ADDX 㪠뢠  ᫥⥫쭮 ⢨ dst=dst+src+X,
   祬 src  dst  ᯮ짮  Dn,  -(An).
4.  筮-筮 ᫮ ᯮ  ABCD, 祬
   src  dst  ᯮ짮,    ।饬 ଠ, 
     ॣ  Dn, ⮤६  -(An).

SUB src,dst     ࠭ B,W,L.

 ⠥  dst src  頥 १  dst. dst=dst-src.
樨 ⨯ - . ᫨ src ᯮ 
।⢥      ॣ ,  dst
   ॣ஬ (.. Xn).
1.     p   ᫮.  ⮬ 砥
   src   #data  । +1...+8.  ⮬  
   㤥 룫拉 ᫥騬 ࠧ :
      SUBQ #data,dst
     ᯮ짮  ࠧ ࠭.
2.  ᯮ짮 筮 ।⢥ 樨 (ਭ㤨⥫쭮
   㪠뢠 ᥬ,  ᯮ㥬  SUBQ) 室 
     ᫥饬 ଠ :
      SUBI #data,dst
3. ଠ SUBX 㪠뢠  ᫥⥫쭮 ⢨ dst=dst-src-X,
   祬 src  dst  ᯮ짮  Dn,  -(An).
4.  筮-筮 ᫮ ᯮ  SBCD, 祬
   src  dst  ᯮ짮,    ।饬 ଠ, 
     ॣ  Dn, ⮤६  -(An).

CMP src,dst     ࠭ B,W,L.

⠭ ॣ  ᫮ CCR,  ᮮ⢥⢨  dst-src.
樨 ⨯ - . ᫨ src ᯮ 
।⢥      ॣ ,  dst 
  ॣ஬ (.. Xn).
1.  CMPM (An)+,(An)+ ந ࠢ .
2.  ᯮ짮 筮 ।⢥ 樨  
      CMPI #data,dst (.. ஢ઠ dst-#data)

AND src,dst     ࠭ B,W,L.

 0 1
-----
 0 1| 1
 0 0| 0
⭠  ""  src  dst. dst=dst /\ src.
src  dst   ᯮ짮    ᭮ ॣ An.
(..   樨, ஬ 2). 樨 ⨯ -
. ᫨ src ᯮ  ।⢥    
 ॣ ,  dst    pp (.. Xn).
1. ଠ AND.B #data,CCR 뢠  ந  ""
     CCR=CCR /\ data , ࠧ data   {B}.
2.    AND #data,SR ந  SR=SR /\ data. 
   ⮬ ࠧ data  ᫮ {W}.
3.   ANDI  ᥬ  ᯮ짮 ।-
   ⢥ 樨 (.. ANDI #data,dst).

OR src,dst      ࠭ B,W,L.

 0 1
-----
 1 1| 1
 0 1| 0
⭠  ""  src  dst. dst=dst \/ src.
src  dst   ᯮ짮    ᭮ ॣ An.
(..   樨, ஬ 2). 樨 ⨯ -
. ᫨ src ᯮ  ।⢥    
 ॣ ,  dst    ॣ஬ (.. Xn).
1. ଠ OR.B #data,CCR 뢠  ந  ""
     CCR=CCR \/ data , ࠧ data   {B}.
2.    OR #data,SR ந  SR=SR \/ data.  ⮬
   ࠧ data  ᫮ {W}.
3.   ORI  ᥬ  ᯮ짮 ।-
   ⢥ 樨 (.. ORI #data,dst).

EOR src,dst     ࠭ B,W,L.

 0 1
-----
 1 0| 1
 0 1| 0
⭠  "᪫饥 "  src  dst. dst=dst {+} src.
dst   ᯮ짮    ᭮ ॣ An.
(..  dst   樨, ஬ 2). src  ᯮ짮
   ॣ  Dn,  ।⢥  (..
 樨 ⮫쪮 ⨯ ॣ-).
1. p EOR.B #data,CCR 뢠  p p
   ""   CCR=CCR {+} data , ࠧ data   {B}.
2.    EOR #data,SR ந  SR=SR {+} data. 
   ⮬ ࠧ data  ᫮ {W}.
3.   EORI  ᥬ  ᯮ짮 ।-
    樨 (.. EORI #data,dst).

CLR dst         ࠭ B,W,L.

ந  dst. dst<=0. dst   ᯮ짮  
 ᭮ ॣ An.

NEG dst         ࠭ B,W,L.

  (  2). dst=0-dst+1. dst   ᯮ짮
   ᭮ ॣ An.
1. NEGX ⠥ dst  X  0, १  dst. ⠭ C=X=1 ᫨
    ந . dst=0-dst-X
2. NBCD ந   筮-筮  ⠭ X 
   १.  ⮬ 砥 ࠧ ࠭   {B}. src 
   dst   ᯮ짮    ᭮ ॣ.

NOT dst         ࠭ B,W,L.

 1 0
-----
 0 1                                      ___
  ᪮ ""  dst. dst=dst. dst   ᯮ짮
   ᭮ ॣ An.

TST dst         ୠ B,W,L.

⠭ ॣ ᫮ SR  ᮮ⢥⢨ c dst-0. dst-0=>SR.
dst   ᯮ짮    ᭮ ॣ An.

LEA src,An      ࠭ L.

 䥪⨢ (ᯮ⥫쭮)   An. <EA> => An. src 
ᯮ짮   樨,஬ An,Dn,#data,(An)+  -(An).

PEA src          ࠭ L.
 䥪⨢ (ᯮ⥫쭮)   ⥪  ᯮ짮 SP.
<EA> => -(SP). src  ᯮ짮   樨, ஬ An,Dn,
#data,(An)+  -(An).

MULS src,Dn     ࠭ W.

   Dn=Dn * src. src   ᯮ짮  
 ᭮ ॣ.
1. MULU src,Dn ந 㬭  .

DIVS src,Dn     ࠭ W.

   Dn / src. Dn=Dn / src. src   ᯮ짮 
p  p᭮ ॣ.
1. DIVU src,Dn ந   .

BSET bnum,dst   ࠭ dst B,L.
            ___
஢ઠ (Z=bit)  ⠭ ࠢ 1 ()   bnum  dst, 
bnum  ।  Dn ( ᪮ p樨 ⮢),  #n
 ᪮ 樨 ⮢. ᫨ src  dst ᯮ Dn ,
 ࠧ ࠭   L  bnum=0...31,  ࠧ ࠭ B 
bnum=0...7 . 室 ⠪  ⬥,  dst   ᯮ짮 An
p.

BCLR bnum,dst   ࠭ dst B,L.
            ___
஢ઠ (Z=bit)  ⠭ ࠢ 0 ()   bnum  dst,  bnum
 ।  Dn ( ᪮ 樨 ⮢),  #n 
᪮ 樨 ⮢. ᫨ src  dst ᯮ Dn ,
 ࠧ ࠭   L  bnum=0...31,  ࠧ ࠭ B 
bnum=0...7 . 室 ⠪  ⬥,  dst   ᯮ짮 An
.

BCHG bnum,dst   ࠭ dst B,L.
            ___
஢ઠ (Z=bit)     bnum  dst,  bnum 
।  Dn ( ᪮ 樨 ⮢),  #n 
᪮ 樨 ⮢. ᫨ src  dst ᯮ Dn ,
ࠧ ࠭   L  bnum=0...31,  ࠧ ࠭ B 
bnum=0...7 . 室 ⠪  ⬥,  dst   ᯮ짮 An
.

BTST bnum,dst   ࠭ dst B,L.
            ___
஢ઠ (Z=bit)   bnum  dst,  bnum  ।  Dn
( ᪮ 樨 ⮢),  #n  ᪮ 樨 ⮢.
᫨ src  dst ᯮ Dn ,  ࠧ ࠭   L
 bnum=0...31,  ࠧ ࠭ B  bnum=0...7 . 室 ⠪ 
⬥,  dst   ᯮ짮 An .

CHK src,Dn      ࠭ W.

஢ઠ 宦 Dn   0...src. src   ᯮ짮
   ॣ .

TAS dst         ࠭ B.

஢ઠ dst  ⠭f p襣 (ᥤ쬮 ?)   1. dst  
ᯮ짮    ॣ .

SWAP Dn         ࠭ L.

 HW  LW ॣ  Dn.  ந ⠭ ॣ
᫮ 室  १ L.  SWAP.B  㫨p 
ROL.W #8,Dn.

EXT Dn          ࠭ W,L.

७  LB Dn  HB Dn (.. ७  ᫮,  ⮬ 砥 ᫨
.W)  ७  LW Dn  HW Dn (.. ७   ᫮,
 ⮬ 砥 ᫨ .L).

EXC            Pp ࠭ L.

 祭ﬨ Xn <-> Xm.

P 5.1
 ᤢ


  ᤢ  ᯮ짮 ࠧ ࠭ B,W  L. ᫨
ᤢ ந  ,  ࠧ ࠭   ⮫쪮 W,  蠣
ᤢ   ⮫쪮 1.   樨 ᤢ  䫠 X  C
㦠 ᫥ ᤢ  ࠭ .  Z  N 㦠 
ᮮ⢥⢨  祭 १.  V=1 ᫨  ASL 
 ࠭,  V=0. ᫨  ⢥ ᤢ ᯮ짮 0 (?), 
祭 䫠 X  , V=0, C <- X, Z  N ⠭ 
ᮮ⢥⢨  १⮬. ᪨ ᤢ ᯮ X  ࠭
砭   ७.  X  믮 
蠣 ⮢  横᪮ ᤢ  ७.

ASL cntdst   䬥᪨ ᤢ 
ASR cntdst   䬥᪨ ᤢ ࠢ
LSL cntdst   ᪨ ᤢ 
LSR cntdst   ᪨ ᤢ ࠢ
ROL cntdst   ᪨ ᤢ 
RO cntdst   ᪨ ᤢ ࠢ
ROXL cntdst  ᪨ ᤢ   ᯮ짮  X
ROXR cntdst  ᪨ ᤢ ࠢ  ᯮ짮  X

 祭 cntdst  :
 Dm,Dn      Dn ᤢ  ⢮ ⮢, 㪠  
             ࠧ鸞 (..  0...31) ॣ Dm
 #cnt,Dn    Dn ᤢ  cnt 権, 祬 #cnt=1...8
 dst         dst  ᫮.   dst ந室 ᤢ 
             .  ⮬ 砥   ⨯ 樨,
            ஬ ।⢥   ⭮⥫.

P 5.2
 p


JMP addr

᫮ 室   addr.   ⢥ addr   
, ஬ ।⢥, ⮨६⭮  ⮤६⭮.
<EA> -> PC

JSR addr

᫮ 室  ணࠬ   addr.   ⢥ addr
   , ஬ ।⢥, ⮨६⭮ 
⮤६⭮. 뢠 24  p p  ⥪, ᯮ 
⢥ 㪠⥫ ⥪ ॣ A7.   2 ᫮
{2 ࠧ W, .. L}, 祬 HB  HW  ᯮ.  SP 㪠뢠
孨  ⥪; ⥪   㬥襭 SP. PC -> -(SP),
PC+d -> PC.

RTS

  ணࠬ. (SP)+ -> PC

RTR

⠭ ॣ  ᫮ CCR,  ⥬   ணࠬ.
  ⥪ W,  㦠   LB  CCR. ᫥ ⮣ ந室
    ⥪. (SP)+ -> CCR, (SP)+ -> PC.

RTE

  ணࠬ ࠡ⪨ 뢠.   㯭 ⮫쪮
 ० . (SP)+ -> SR, (SP)+ -> PC.

BRA addr16

᫮ 室   addr16. 祬 addr16  室 
p 32 b  .

BSR addr16

᫮ 室  ணࠬ   addr16.  2 ਠ:
      ) ⪨ 室, ..    ᫮ 
         ᮤন 8 ⮢ ᬥ饭. ࠢ ।
         -128...-1  +1...+128 ⭮⥫쭮 ᫥饣 ᫥
          ᫮.
      )  室.  ⮬ 砥  室
         -32768...+32767 ᮤন  ஬ ᫮ ,  8
         ⮢  ࢮ ᫮ =0.

Bcc addr16

᫮ 室 ᫨ cc ⨭.

DBcc Dn,addr16  ࠭ W.

᫨  ⨭,  室,  LW Dn = LW Dn - 1. ᫨ ᫥ ⮣
LW Dn = -1,  室  ३   PC+addr16 (+/- 32 Kb).
ᯮ  W.

Scc dst         ࠭ B.

⠭ dst =FF, ᫨ ᫮ cc ⨭,  ⨢ 砥 ⠭ =0.
 dst ᯮ  ⨯ 権, ஬ An, #data  
⭮⥫.

   ᯮ ⠡ ⭮ cc:

-----------------------------------------
F     ᥣ ⨭ (  p  Bcc)
T     ᥣ ⨭
室  祭 ⤥쭮 ࠧ鸞 ᫮:
RA    ᥣ ⨭
CS    C=1
CC    C=0
VS    V=1
VC    V=0
MI    N=1                 ⥫ १
PL    N=0                 ⥫ १
EQ    Z=1                 =0
NE    Z=0                 <>0
室  ⮬ :
LT    N XOR V=1           <0
GE    N xor V=0           >=0
LE    (N XOR V) OR Z=1    =<0
GT    (N XOR V) OR Z=0    >0
室   :
LO    C=1                 <
HS    C=0                 >=
LS    C OR Z=1            =<
HI    C OR Z=0            >

LINK An,#disp

 裡  ணࠬ.  ᯮ짮  An  ⢥
㪠⥫  ⥪. An -> -(SP), SP -> An, SP+#disp->SP.
1)  ண 祭 㪠⥫ p (⥪饣 32 ⭮ 祭 An)
    ⥪
2) ନ஢  祭 㪠⥫  ⥬ 㧪  An
    祭 SP.
3) ࢨ஢   ⥪  ࠧ饭  ६,
   ।⢮ ਡ disp (筮 ⥫쭮)  SP.
   disp=-32768...+32768

UNLK An

⪠ 裡  ணࠬ. An -> SP, (SP)+ -> An.
1) An -> SP,  १ࢨ஢    ६.
2) ⠭ ண 祭 㪠⥫  ⥪, .. 
   ⥪ L ->An

STOP #data

㧪 #data  SR, ⠭ CPU.  㯭 ⮫쪮  ०
.

RESET

 譨 ன.  㯭 ⮫쪮  ० .

NOP

 権.

TRAP vector

맮 뢠 TRAP  ஬ vector (0...15).

TRAPV

맮 뢠 TRAP, ᫨ V=1.

P 5.3
ppp  


LINEF ᫮ FFFF
LINEA ᫮ AAAA

P 6
pp뢠 ppp Motorola 68000


  ७ 뢠 CPU  ᮤন SR,
 䫠 I1 I2 I3 ᢠ 祭 I{in}, ⥬ S=1,T=0  
 PC -> -(SP), SR -> -(SP) { SP - A7').

              ᮢ 뢠
             --------------------------

 (ᠭ  {} ᪮,  HEX) 砥 㬭 
뢠  4.  ᮢ 뢠   
⨢ .

0 {0}    ⠭. . SSP
1 {4}                                 PC (᮫  ExecBase)
2 {8}   訡  (饭  饬 )
3 {C}   訡 樨 (饭  W  L  ⭮ )
4 {10}  ࠧ襭 . .. ᯮ짮  
        ࠧ襭 ⠭  樨  ᯮᮡ 樨.
5 {14}    0
6 {18}  뢠  ᫮.   㤮⢮७ 
        ᫮  믮  CHK.
7 {1C}  뢠  ᫮.   㤮⢮७ 
        ᫮  믮  TRAPV.
8 {20}  饭  ॢ஢   ० 짮⥫.
        뢠 ᯥ稢 । ࠢ   ⮬ 砥,
        ᫨ ணࠬ 짮⥫ ⠥ ⮬ .
9 {24}  ஢. 襭 믮 ,  祭
        䫠 T  砫  믮 ࠢ 1.
10 {28} ॠ  LINEA. ᯮ짮  
        祭ﬨ  ࠧ冷 1010.
11 {2C} ॠ  LINEF. ᯮ짮  
        祭ﬨ  ࠧ冷 1111.
24 {60}   뢠
25 {64}  뢠 68000 (.  I0I1I2  SR) ஢ 1
26 {68}  뢠 68000 (.  I0I1I2  SR) ஢ 2
27 {6C}  뢠 68000 (.  I0I1I2  SR) ஢ 3
28 {70}  뢠 68000 (.  I0I1I2  SR) ஢ 4
29 {74}  뢠 68000 (.  I0I1I2  SR) ஢ 5
30 {78}  뢠 68000 (.  I0I1I2  SR) ஢ 6
32 {80} ᫮ pp뢠 TRAP (0-15)
|
47 {BC}
64-255  ன⢠ I/O
