-------------------------------------------------------------------------------
                ᠭ ६, ⠡,  ଠ⮢
-------------------------------------------------------------------------------
⠡ ᯮ ᥪ஢ ( ଠ஢  ⥭ ஦)
+#00 䨪樮 
     =#00 - ଠ  ᥪ ⮢ୠ
     =#FF - ଠ  ᥪ  ⮢ୠ (ᡮ ᥪ)
     =#FE -  ⠡ ᥪ஢
     =#FC/#FD - ᮣ᭮ 㭪樨 12
+#01 䨧᪨  ஦ [0..]
+#02  ஭ (0/1)
+#03  ᥪ [1..]
+#04   ᥪ
     =#00 -> 128 
     =#01 -> 256 
     =#02 -> 512 
     =#03 -> 1024 

-------------------------------------------------------------------------------
 ᯥ䨪樨 ᪠
0-1,=%nn - ࠧ ᥪ (ᮮ⢥  +4  ⠡ ࠧ饭 ᥪ஢)
  2,=1   - 㦥  ( 40 ࠡ⠥  ᪮ 80) -  
3,4      -  ᯮ
5,=0/1   - ⢮ ஦ 40/80
6,=0/1   - ⨯  FM/MFM
7,=0/1   - ⢮ ஭ /

-------------------------------------------------------------------------------
 ᯥ䨪樨 ᪮
0=1,=%nn - ᪮ ६饭 ⭮  ᪮
2-5      -  ᯮ
6,=0/1   - ⢮ ஦ 40/80
7,=0/1   - ⢮   /

-------------------------------------------------------------------------------
ଠ  time-out
 0-3	 -  ।  ᪮ ( 0  A,  1  B)
 4-7  - ﭨ time-out  ᪮. 襭  ᮮ⢥
           襭 㭪樨,  ⠭ - 祭. 4 
           ᮮ⢥ ᪮ A, 5 - ᪮ B

-------------------------------------------------------------------------------
ଠ  zs-snap
+#00 =#4D/#41  ᨨ/ ᨥ
+#01 =#33 ᨣ  㧪 ॣ஢ AY
     =#31 ᨣ  㧪 ॣ஢ AY
+#02 2  ⥪饩 祩    ⫠稪 (mem)
+#04 2    /pc ணࠬ 짮⥫
+#06 2 㪠⥫ 設  ணࠬ 짮⥫
+#08 2 ॣ ix
+#0A 2 ॣ iy
+#0C 2 ॣ hl
+#0E 2 ॣ de
+#10 2 ॣ bc
+#12 2 ॣ hl'
+#14 2 ॣ de'
+#16 2 ॣ bc'
+#18 2 ॣ af
+#1A 2 ॣ af'
+#1C 1 䫠 IFFF2
+#1D 1 ॣ r
+#1E 1 ॣ i
+#1F 1  rom 㤠 諨
+#20 1 ६ =iy+#19
       bit 6,=1 ࡮ ० 祭 (⠫  祭  )
+#21 =#00/#01 ० 뢠 im 2/im 1
+#22 梥 paper #5800 ( ⠭ )
+#23 ᮤন ॣ 7 AY
+#24 ﭨ  #7FFD
+#25 ﭨ  #1FFD
+#26 ॣ #00 ay
+#27 ॣ #01 ay
+#28 ॣ #02 ay
+#29 ॣ #03 ay
+#2A ॣ #04 ay
+#2B ॣ #05 ay
+#2C ॣ #06 ay
+#2D ॣ #08 ay
+#2E ॣ #09 ay
+#2F ॣ #0A ay
+#30 ॣ #0B ay
+#31 ॣ #0C ay
+#32 ॣ #0D ay
+#33..+#3F  ᯮ (=#00)
   ᨨ
+#40 ⮢  ࠣ䮢 ࠭ 
      8   ࠭
     ᫥⥫쭮 ᮮ⢥ 浪  ࠭
     ᫨  =0 ࠣ ⮩ ( ࠭,  㧪  ﬨ)
    ࠭
+#40 ࠧ  ࠭
      8   ࠭
     +0 ⢮   ᫥ ᥪ ࠭ (=#00 - 256 )
     +1 ⢮ ᥪ஢  ࠭楩
     +2..+7  ᯮ
+#B0..+#FF  ᯮ (=#00)

冷 ࠭ ࠭:  48k ०
ram #02
ram #05
ram ࠭ 祭  室  

冷 ࠭ ࠭:  128-256k ०
ram #02
ram #05
ram ࠭ 祭  室  
ram #00-#0F (஬ 8, 9  㦥 ࠭)

-------------------------------------------------------------------------------
fcbTRD
ਯ 䠩 fcb ( 㭪権 R8DOS)

+#00 8  䠩
+#08 1 ⨯ 䠩
+#09 2  ⨯ C ⮢ ,  ⨯ B  ᨪ-ணࠬ
+#0B 2  䠩
+#0D 1 ꥬ 䠩  ᥪ
+#0E 1  ࢮ ᥪ 䠩
+#0F 1  ࢮ ஦ 䠩
+#10
+#13 2 㪠⥫  䠩
+#15 2   dma
+#17 1 ᯮᮡ 
      0-1,=11 䠩  䨪樨
	0,=1 䠩  ⥭
	1,=1 䠩  
	2,=1  楫묨 ᥪࠬ "䨧᪨" 䠩 
	     (᫨ 襭 -  㤥  ⠬ "᪨" 䠩)
        7,=1 䠩  ,   ࠭
+#18 1  ⥪饣 ᪮
+#19 1  䠩  ᪥
+#1A 1 - ᥪ஢  ⥭/
+#1B 1 ᨬ ꥬ 䠩  ᥪ

-------------------------------------------------------------------------------
fcbFAT
ଠ fcb  ࠡ  FAT

+#00 8  䠩
+#08 3 ७ 䠩
+#0B 1 ਡ 䠩
+#0C 4  ࢮ  䠩/⠫
+#10 4  ࢮ  ⠫  ⨬ 䠩/⠫
+#14 4 ࠧ 䠩/⠫  
+#18 4 㪠⥫  䠩
+#1C 1  ७ 㦤
+#1D 1  ७ 㦤
+#1E 1 १
+#1F 1    ࠧ  
	1-0,nn  ࠧ
	3-2,=00/01/10 HDD master/HDD slave/SD
	    祭 %11 ⨬

-------------------------------------------------------------------------------
 짮⥫:
+00 न Y   
+01 न X   
+02 न Y 砫  ( )
+03 न X 砫  ( )
+04    
+05 ਭ   
+06 ஢ ਡ 
+07 ⥬ ਡ :
    7-6,???
    5  뢮,  뢮 ᨬ 
    4 ந ଠ,  ⨦ ࠢ    ⮬᪨
      믮  ॢ ப   ⪨
    3 믮 ⮬᪨  ⪨  室 ᨬ ॢ
      ப
    2 믮 ⮬᪨ ॢ ப  室 ᨬ 
      ⪨
    1  ਡ  뢮  ᨬ ( ⨢ 砥 ਡ
      ⠭ ⮫쪮  ६ ⪨ )
    0  뢮 ᨬ 
+08  ࠬ
    5-3,  ࠬ
    7,=0  ࠬ  
+09 ਡ ࠬ
+0A ࠧ ᨬ  ᥫ 6/8
+0B ࠧ   ᨬ.  ᨬ  8 祪  ࠧ ᮢ 
    ਭ . ᫨ ࠧ ᨬ 6 祪,  । 樠樥
    (⪮) 室  ࠧ      .
+0C  ᨬ .   ⨬ ᨬ 㤥 뢮 , ⬥
     , ᫨ 襭 0   ⥬ ਡ 
+0D 1,=0/1 ० ⠢/   ப
    2,=1  ᬥ ० ⠢/
    3,=1  ஢  ப ।஢ ।  ப
+0E ਡ 뤥 樨  

===============================================================================
                               ࠧ MFS
-------------------------------------------------------------------------------
 ⠫ ࠧ MFS (1024 )
 #10    ਯ ࠧ (ᨬ 63 ࠧ)
+#3FE =#54 ᨣ ⠫ ࠧ
+#3FF =#AA ᨣ ⠫ ࠧ

-------------------------------------------------------------------------------
ਯ ࠧ MFS

+00 0-2,=nnn ⨯ ࠧ
        =#01 - Tr-Dos
        =#02 - MicroDos
        =#03 - Is-Dos
        =#04 - BAD
    7,=1 ⨢(㧮) ࠧ
+01 4 LBA  ࢮ ᥪ ࠧ
+05 =#00
+06 2 ࠧ ࠧ  ᥪ
+08 2 =#0000
+0A 6  ࠧ

-------------------------------------------------------------------------------
 ࠧ Tr-Dos
2 ᥪ ⠫ 樨 ᪮
#501 ᥪ   ࠧ (1 ᥪ ࠧ ⮩)

-------------------------------------------------------------------------------
 ⠫ 樨 Tr-Dos (1024 )
 #10    ਯ ᪠ (ᨬ 51 )
+#3FC =#54 ᨣ ⠫ 樨
+#3FD =#52 ᨣ ⠫ 樨
+#3FE =#54 ᨣ ⠫ 樨
+#3FF =#AA ᨣ ⠫ 樨

-------------------------------------------------------------------------------
ਯ 樨 ᪮

+00 =%00x00001
    5,=1 祭   
+01 4 LBA  ࢮ ᥪ ࠧ
+05 =#00
+06 2 ࠧ ࠧ =#0501
+08 2 =#0000
+0A 6  ࠧ

-------------------------------------------------------------------------------
஥ ᥪ. LBA  =#00000002
ਬ஢ ࠧ/ࠧ/䠩
 #16    ਬ஢ 䠩/ࠧ
+#00  ᪮ A
+#16  ᪮ B
+#2  ᪮ C
+#42  ᪮ D
+#58  䠩 .tap/tzx (ࠧ )
+#6E  䠩 HDD boot
+#3FE =#54 ᨣ ⠫ ࠧ
+#3FF =#AA ᨣ ⠫ ࠧ

-------------------------------------------------------------------------------
஥ ᥪ. LBA  =#00000002
ਬ஢ ࠧ/ࠧ/䠩
+#00 1 ⨯ ࠧ/ࠧ ( ࠧ =#01)
       =#00 祣  ਬ஢
       ࠧ 樨 MFS =#01
       ࠧ MicroDos  =#02
       ࠧ Is-Dos    =#03
       ࠧ BAD       =#04 (⭮    祭)
       ࠧ Tr-Dos   =#11
       䠩 FAT            =#05
       5,=1 ࠧ 饭  
+#01 4  ࠧ MFS: LBA  ࢮ ᥪ
     4  䠩 FAT32:  ࢮ 
+#05 1 0..1,=%nn  ࠧ MBR
          2,=0/1  master/slave
          3,=0/1 /SD 
          7,=1 ਧ ନ஢   訢
       ᫨  7 =0,  ਬ஢ ࠧ   ࢮ 
                      ࠧ MFS
+#06 4 ࠧ ࠧ/ࠧ
     4 ࠧ 䠩 .trd/.scl
+#0A 6  ࠧ
+#10 6 ᫨  ࠧ,   ࠧ
     6 ᫨  ࠧ,   ࠧ
+#0A 11  䠩 .trd/.scl/.tap/.tzx  䠩  ଠ 8+3 ( 窨)
+#15 1  FAT32  ᯮ =#FF

===============================================================================
                               NVRAM
-------------------------------------------------------------------------------
  NVRAM

#000 1     
#001 #FD   ஥
#0FE 2    CRC  ஥
#100 #100 ᢮
#200 1     ஥ ணࠬ
#201 1     ணࠬ =#00  ணࠬ
#202 2    ஫쭠 㬬 ணࠬ
#204 #FF  ணࠬ 樠樨
#303 #4FD ᢮
