  ⪮ ᠭ 樮 ⥬ CP/M 
		    ᨨ 2.2 
 
 
		   10.09.1987. 
  
		     B I O S  
 
 
		窨 室  BIOS 
 
     室   	BIOS  ⢫   ।⢮    
室,   ࠧ饭    祩  BASCP/M+4A00H.    
室 -  ᫥⥫쭮  17 権,   
।    ࠢ	  ⤥쭮    ணࠬ    BIOS. 
ணࠬ   BIOS      묨  	। 
㭪権 ( ਬ,  ᮤঠ   RET ),   
 室  ⢮  室 . 
 
        室  ᫥騩  : 
 
 BAS+4A00      JMP	 BOOT	   ; 宫  ⥬ 
     4A03      JMP	 WBOOT	   ; 稩  ⥬ 
     4A06      JMP	 CONST	   ; ﭨ ᮫ 
     4A09      JMP	 CONIN	   ;  ᨬ  ᮫ 
     4A0C      JMP	 CONOUT    ; 뢮  ᯫ 
     4A0F      JMP	 LIST	   ; 뢮  ਭ 
     4A12      JMP	 PUNCH	   ; 뢮  䮭 
     4A15      JMP	 READER    ;   䮭 
     4A18      JMP	 HOME	   ; ⠭ ஦ 0  
				   ; ࠭ ᪥ 
     4A1B      JMP	 SELDSK    ; 롮 ᪠ 
     4A1E      JMP	 SETTRK    ; ⠭	  
				   ; ஦ 
     4A21      JMP	 SETSEK    ; ⠭  
				   ; ᥪ 
     4A24      JMP	 SETDMA    ; ⠭   
     4A27      JMP	 READ	   ; ⥭ ࠭ 
				   ; ᥪ 
     4A2A      JMP	 WRITE	   ;   ࠭  
				   ; ᥪ 
     4A2D      JMP	 LISTST    ; ﭨ ਭ 
 BAS+4A30      JMP	 SECTRAN   ; ७㬥 ᥪ஢ 
 
           室	 ᮮ⢥	  ⭮ 
ணࠬ,	   믮  ।   㭪. 
 室    ᭮  : 
     -	  २樠 ⥬ ( 맮 BOOT  WBOOT ) 
     -	  -뢮	⮢    ଠ樨	 (    맮 
	  CONST,CONIN,CONOUT,LIST,PUNCH,READER  LISTST ) 
     -	    -뢮    ᪮  (  맮 
	  HOME,SELDSK,SETTRK,SETSEC,SETDMA,READ,WRITE	    
	  SECTRAN ) 
       ᮫   ⨭ 樨  믮   
  ASCII (-7),   襭  0 ⮬ ⭮  (D7). 
᫮   ⥪⮢ 䠩  P/M  祭  
䠩  (1B HEX) ^Z   ASCII.  ਩ ன⢠ 
ਭ	 CP/M	   "᪨"   ன⢠     
⮡ࠦ    䨧᪨ ன⢠  ⮫쪮  ।⢮ 
 BIOS.  
     ᫨  ன⢠ LIST (ਭ) ,	PUNCH (䮭  
뢮  )   READER ( 䮭  )    ,  TO 
ணࠬ  LIST   PUNCH  ॠ      
  RET  ,    ணࠬ  ॠ       
ॣ   1A HEX. 
       ᪮ ᥣ ⢫    맮 
।  ணࠬ 㯠  ,   롨 
,  ஦,  ᥪ  ᪥  ⠭   , 
ᯮ㥬   樨 -뢮.  ᫥ ⮣   
   ࠬ  ⠭,	⢫	饭   
㭪  READ  WRITE  믮 ᮡ⢥  樨 
-뢮  ᪮.	ਬ⨢ READ  WRITE  믮 
 ᪮쪮 ⮪ ( 筮 10 ) ०,  祬  
ਧ  訡筮  襭 樨 (    室 
⮫쪮	  ࠡ   ॠ묨 ᪮묨  ⥫ﬨ  ). 
ਬ⨢ HOME  믮  ਬ⨢ SETTRK    
஬ 0. 
 
	       ᠭ 祪 室 
 
     BOOT  -   砥  ࠢ  稪 砫쭮 
	         ⥬  ⢥砥    樠 
	       ᭮ ⥬,   뤠 ᮮ饭  
	       ᪥	CP/M.  ᫥ 砫쭮 樠樨 
	       ࠬ஢  ⥬ ࠢ ।   
	         BASCP/M+3400H  (   CCP  )   
	       쭥襩 ࠡ.  C ।  ।祩 
	       ࠢ  B CCP  ⠭   0 
	        롮 ᪮ "". 
 
     WBOOT   - 砥   ࠢ,	      
	           ⥬.      
	       ⥬	 ⢫,      ணࠬ 
	       짮⥫  । ࠢ  祩   
	       ᮬ	0000H (⠭ ᯮᮡ  砭 
	       ணࠬ  짮⥫    ।  CP/M).   
	       ୮   CP/M   㦠   
	          ⥬ ஦ ᪠  ,   
	           BIOS.   ࠬ	⥬   
	       ୮         ⠭ 
	       ᫥騬 ࠧ: 
 
     - 祩 0,1,2 - ⠭ JMP WBOOT [ 4A03+BASCP/M ] 
     - 祩 5,6,7 - ⠭ JMP BDOS  [ 3C06+BASCP/M ] 
 
	         襭 樠樨 ணࠬ  WBOOT 
	         ।  ࠢ       
	       ⠭	 ⥪饣 ᪮  
	       롮 ᫥ 樠樨 ⥬. 
 
     CONST   - ந    ⨢      
	       頥  ॣ  - 0FFH, ᫨  
	        ,  00H  ⨢ 砥 ( 
	         믮塞 㭪樨 筠  ணࠬ 
	       0F812H	    室	⠭⭮ 
	       ). 
 
     CONIN   - 뢠 ᨬ    ॣ ,   
	         ⮣  䠪   (   
	       믮塞  㭪樨 筠	ணࠬ 

	       0F803H      室	⠭⭮ 
	       ). 
 
     CONOUT  - 뢮 ᨬ  ॣ   ࠭ ᯫ 
	       (    	 믮塞   㭪樨   筠 
	       ணࠬ  0F809H       室 
	       ⠭⭮ ). 
 
     LIST   -  뢮 ᨬ  ॣ   . 
 
     PUPNCH -  뫠    ॣ    䮭  ( 
	       ணࠬ     믮塞  㭪樨    
	       ணࠬ   0F80CH      室 
	       ⠭⭮ ).	
 
     READER -  頥    ॣ   ,	⠭   
	       䮭 ; ਧ  䠩 - ^Z(1AH) ( 
	       ணࠬ     믮塞  㭪樨    
	       ணࠬ   0F806H      室 
	       ⠭⭮ ). 
 
     HOME   -  頥    ࠭  ᪮    
	       ஦	     ஬	0.        
	       ᯮ짮 ணࠬ SETTRK  ࠬ஬ 
	       ࠢ 0. 
 
     SELDSK -  롨ࠥ     ᪮,	       ண 
	       ।  ᮤন  ॣ   C,	  
	       ᫥   権  -뢮  (C=0  - 
	       ࠭ ᪮ "A",C=1 - ࠭ ᪮ "B" 
	        T..   ᪮ "").   맮, 
	       ணࠬ   SELDSK        
	       ॣ஢    HL    16-  ⮢ 
	       ⠡, 뢠 ⠡楩 ᠭ ᪠ ( 
	       DISK PARAMETER HEADER). ᫨  ⪠ 
	       롮 饣 ᪮,    SELDSK 
	         HL=0000H. 
 
     SETTRK -  롨ࠥ  ஦    ᪥    ᮤন 
	       ॣ஢   ( 筮  ஦  
	       ਢ蠥 80D). 
 
     SETSEC -  롨ࠥ   ᥪ    ࠭  ஦   
	       ᮤন  ॣ஢    BC  (  筮 
	        ᥪ  ਢ蠥 26D). 
 
     SETDMA -  ⠭  אַ 㯠    
	          ᫥  権  -뢮    
	       ᪮  ᮤন ॣ஢  BC. 
 
     READ   -  ணࠬ  뢠  ᥪ  ᪠  
	         稭  	,   ⠭    
	       ᫥   樨   SETDMA     稢 
	       ⨬   ᮬ  +  128	.	ணࠬ 
	       頥 ᫥騥 ࠬ :  
	       A=00 -  訡 
	       A>0  - 訡  뢠	      
 
     WRITE  -  ணࠬ 뢠  ᥪ   ( 
	       ,	।   ᫥  樨 
	       SETDMA    + 128 )  ࠭ 
	       ᥪ  ࠭ ஦ ࠭ ᪠  ( 
	       樨 SETDSK,SETTRK,SETSEC).	頥 
	       ࠬ   READ. 
      
     LISTST -       ࠢ 00H 
 
     SECTRAN - ⢫    ८ࠧ	 ᪮ 
	       	ᥪ    ᪥    䨧᪨  ( 
	       ᯮ      ७	 㯠    
	       ଠ樨   ॠ쭮 ᪥  ).  ᪨ 
	       	 ᥪ     	। 
	       ணࠬ  ॣ஢  ,     
	       ⠡	 ४஢	஢  ᥪ஢   
	       ॣ஢    DE.  騩   
	       䨧᪮   ᥪ   	 
	       ணࠬ  ॣ஢  HL. 
 
  
	       । 㦥  CP/M 
		    0000H - 0100H    
 
     0000-0002	  JMP	 WBOOT	   ; 稩  
     0004	  DS	 1	   ;  ⥪饣 ᪠ 
     0005-0007	  JMP	 BDOS	   ; ⥬ 맮 
     0038-003A	  JMP	 MONITOR   ; 筮 0F800H 
     005C-007C	  FCB		   ;  ᠭ 䠩 
     0080-00FF	  DMABUF	   ;    ᪮ 
 
 
	       ᠭ ᪮ ⥫  CP/M 
 
       ᪮    ᮯ騩   
ॠ஢  ᪠  DPH  (  16	  ),     ᮤন 
ଠ   	   ᪮  	ᯥ稢    
ᢥ宯⨢  ⪠   㦥  楫	BDOS 
   ᪮. 
 
	       ଠ  ࠬ஢ ᪠ 
  
     ------------------------------------------------------- 
     I XLT I 0000 I 0000 I 0000 I DIRBUF I DPB I CSV I ALV I 
     I 16B I  16B I  16B I  16B I   16B  I 16B I 16B I 16B I 
     ------------------------------------------------------- 
 
     16B    -  ⭠  (   ) 
 
     XLT    -       ஢  ᪨ 
	       ᥪ஢  䨧᪨. 
 
     0000   -	       㦥  楫  BDOS   ( 
	       砫쭮 祭  ). 
 
     DIRBUF -    128-⭮ ⪠   ࠡ   
	           BDOS.   DPH     
	         ⮬  . 
 
     DPB   -	    ࠬ஢ ᪠	   
	       ᪮.     ᪮     	 묨 
	       ࠪ⨪     	⮬ 
	         ࠬ஢ ᪠. 
 
     CSV    -	 	 ᢥ宯⨢   ⪠	, 
	       ᯮ㥬   ஢ન ஫쭮 㬬 
	         	ᬥ  ᪠     ᪮. 
	        ⮣ ᪠   8 .	 
	       ⮪		   ࠧ祭   
	        DPH. 
 
     ALV  -    	ᢥ宯⨢    ⪠	, 
	       ᯮ㥬  BDOS  ࠭ ଠ樨 
	           ᪠.     ⮣  ⪠ 
	          32   ᪮    
	       255K .  ⮪   ࠧ 
	         DPH. 
 
     ᫨     BIOS  ᠭ  N  ᪮,     	 DPH 
ᯮ  ⠡,  祬 ࢠ ப ⠡ (  16 
  )  ᮮ⢥	᪮  0  (A),   	᫥  - 
᪮  N-1	(...).	ணࠬ SELDSK ⢥⢥   
   DPH  ࠭ ᪮. 
 
	        ࠬ஢ ᪠ (DPB) 
 
      ࠬ஢ ᪠  ᫥騩 ଠ : 
------------------------------------------------------------- 
I SPT I BSH I BLM I EXM I DSM I DRM I AL0 I AL1 I CKS I OFF I 
I 16B I  8B I  8B I  8B I 16B I 16B I  8B I  8B I 16B I 16B I 
------------------------------------------------------------- 
     16B  -    ⭠  
      8B  -    ᥬ  
     SPT  -     ᫮ ᥪ஢, ᯮ   
	       ஦ ᪠. 
     BSH  -    業  ᤢ  ।   
	        ᪥.  
	       祭 BSH  BLM , । ࠧ 㯯 
	        BLS ,     ⮬  
	        ࠬ஢ ᪠.	 ᫮,  BLS 
	       ࠭, ਢ 祭 BSH  BLM : 
      
		     BLS       BSH	 BLM 
		     1024      3	   7 
		     2048      4	  15 
		     4096      5	  31 
		     8192      6	  63 
		    16384      7	 127 
 
     EXM  -    ᪠    
     DSM  -     ' ᪮ (  㯯 ) 
	       祭  EXM     BLS,  ⠪    
	       ⮣, ॢ蠥  DSM ᫮ 255 : 
 
		    BLS       DSM<255	     DSM>255 
		   1024 	 0		- 
		   2048 	 1		0 
		   4096 	 3		1 
		   8192 	 7		3 
		  16384 	15		7 
 
	       祭 DSM -  1 ,  祬 ᨬ쭮 
	       ᫮   㯯   	      ᪥, 
	       塞    	BLS.  BLS*(DSM+1)  - 
	       饥  ᫮  ⮢    	 ᪥,    
	       ᪫祭     	  	  ࠧ饭 
	       樮 ⥬ (⥬ ஦). 
     DRM  -      ᫮ ᥩ 	.  AL0,AL1 
	       ।	१ࢨ஢       
	       .   DRM -  1	,  祬 
	       饥	᫮	 32-X	    ⮢ 
	       .  祭 AL0  AL1	। 
	       DRM.   ᬠਢ  楯  16 
	       ⮢,    : 
	  ------------------------------------------------- 
	  I	    AL0 	  I	      AL1	  I 
	  I00 01 02 03 04 15 06 07I08 09 0A 0B 0C 0D 0E 0FI 
	  ------------------------------------------------- 
 
	       樨	00  ᮮ⢥ 訩    
	       AL0,  	樨 0F - 訩  	AL1. 
	           १ࢨ 㯯	  ᥩ 
	          - T.E.    ᨬ    ࠧ 
	          - 16  㯯.        
	         32 .   ਢ 
	       ⠡ ᨬ ᫠ ᥩ   ࠧ 
	       㯯 : 
 
		    BLS       ᫮ ᥩ  1 㯯 
		   1024 		32 
		   2048 		64 
		   4096 	       128 
		   8192 	       256 
		  16384 	       512 
 
	       ⠪  ࠧ,	᫨  DRM=127  (128  ᥩ 
	       ),     BLS=1024  (筮),     
	       㯯 室 32-E , .. ॡ 
	       १ࢨ஢	 4  .   	⮬  砥 
	       ⠭	4    		AL0, 
	       ᫥⥫쭮: AL0=F0 , AL1=00. 
     CKS  -    ࠧ  ஢ન  (筮  8 
	       ).  祭  CKS । ⠪:	᫨ 
	       ।  ᪮ ᬥ,    CKS=(DRM+1)/4, 
	        DRM -  ᫥   . 
	       ᫨  । ﭭ,	 CKS=0,   	⮬ 
	       砥	       	   
	       ஢. 
     OFF  -    ᫮   ஦	    ࠧ饭   ⥬, 
	       १ࢨ㥬  砫 䨧᪮ ᪠.  
	       祭      ⮬᪨	  
	       ⥬	 ࠧ,	 	  뢠 
	       ணࠬ SETTRK ,    ᯮ짮 
	         ய᪠  ஦  	樮 
	       ⥬. 
	
 
		  ⥬ 맮 CP/M 
 
	     ᠭ ⥬ 맮 P/ 
 
    ࠢ 䠩 (FCB) 
ᨢ    36 , 뢠騩 䠩 
ଠ樨  CP/M 
 
 FCB 
 
 00 01 02     08 09 0A 0B 0C 0D 0E 0F 10     1F 20 21 22 23 
------------------------------------------------------------ 
!DR!F1!F2!/ /!F8!T1!T2!T3!EX!S1!S2!RC!D0!/ /!DN!CR!R0!R1!R2! 
------------------------------------------------------------ 
 00 01 02     08 09 10 11 12 13 14 15 16     31 32 33 34 35 
 
DR    -  ᪮ 0-16 (0-..;1-A;2-B...16-B) 
F1-F8 -  䠩   ASCII  訬 ࠧ冷=0 
T1-T3 - ⨯ 䠩   ASCII  訬 ࠧ冷=0 
EX    -  ⪠			 (⠭=0) 
S1,S2 - ⥬  		 (⠭=0) 
RC    - ⥬ 			 (⠭=0) 
D0-DN - ⥬  		   ( ண) 
CR    -  ⥪饩 		 (⠭=0) 
R0,R1,R2   -   㦥   ⥬ ( ண) 
     㯠  䠩   16 ⮢ 
FCB  樠  "CR"   ணࠬ ! 
ᠭ ⥬ 맮 
 
0 (C=00) -  ⥬ (稩  ⥬) 
1 (C=01) -     ॣ  
2 (C=02) - 뢮  ନ  ॣ E 
3 (C=03) -   뢠⥫  ॣ A 
4 (C=04) - 뢮    ॣ  
5 (C=05) - 뢮    ॣ E 
6 (C=06) - אַ /뢮  TEନ  
	   E=0FFH -     ᨬ, 00 
	   E=ASCII ᨬ - 뢮 
7 (C=07) - ⥭  ࠢ /뢮  AK 
8 (C=08) - ⠭  /뢮  ॣ E 
9 (C=09) - 뢮 ப  Tନ 
	   DE -  ࢮ ᨬ ப 
	   $  - ᨬ  ப ( ⠥) 
10(C=0A) -  ப     ப 
	   DE -   ப 
	    - ਧ    ப 
	     ப 
	   DE:	+0 +1 +2 +3 +4 +5 +6 +7  ...  +254(MAX) 
	       ---------------------------------- 
	       !MX!NS!C1!C2!C3!C4!C5!C6! ... !??! 
	       ---------------------------------- 
	   MX - ᨬ쭮 ᫮ ᨬ   
	   NS - ᫮ 䠪᪨ ⠭ ᨬ 
	   C1..-  
 
11(C=0B) -  ﭨ    
	   AK=00 -  ⨢, =0FFH - ⨢ 
 
12(C=0C) - 祭  ᨨ CPM  HL 
	   H=0 - P/M , H=11 - MP/M 
	   L=20...2F  CP/M 2.0 ... 2.15 
 
13(C=0D) -  ᪮ ⥬ 
 
14(C=0E) - 롮 ᪠  ᮤন ॣ E 
	   0-A,1-B,2-C,.....,15-P 
 
15(C=0F) - ⨥ 䠩  
	   室 : DE -  FCB 䠩 
	   室: AK -  ⠫ (0-3)  0FFH ,᫨ 
	   㪠 䠩  ᪥  
 
16(C=10) - ⨥ 䠩  
	   室 : DE -  FCB 䠩 
	   室:  -  ⠫ (0-3)  0FFH , ᫨ 
	   㪠 䠩   ᪥ 
 
17(C=11) -  ࢮ -  䠩  ⠫ ᪠ 
	   室 : DE -  FCB 
	   室:  -  ⠫ 
	    ⥪饬    ,ᮤঠ 
	    室 ⠫ 
 
18(C=12) -  ᫥饣 -     17   ⥪饣 
	     ⠫ 
 
19(C=13) - ࠭ 䠩  
	   室 : DE -  FCB 
	   室:  - KO ⠫ (0-3)  0FFH-᫨ T 
 
20(C=14) - ᫥⥫쭮 ⥭ 
	   室 : DE -  FCB, 䠩    
	    , ᥪ.  ஦    
	   ⠭ ࠭ 
	   室: =0 ᫨ ଠ  <>0 ᫨  䠩 
 
21(C=15) - ᫥⥫쭠  
	   室 :  ,   20 
	   室: =0 ᫨ ଠ  AK<>0 ᫨   
 
22(C=16) - ᮧ 䠩 
	   室 : DE -  FCB 
	   室:  -  ⠫ (1-3),᫨ ଠ  
	   =0FFH , ᫨   
 
23(C=17) - २ 䠩 
 
24(C=18) - 祭  ॣ樨  ⥬ 
 
25(C=19) - 祭 ⨢ ᪠ 
 
26(C=1A) - ⠭    DE 
 
27(C=1B) - 祭  ࠧ饭  HL 
 
28(C=1C) -  ᪠   
 
29(C=1D) - 祭  "⮫쪮 ⥭"  HL 
 
30(C=1E) - ⠭ ਡ⮢ 䠩 
 
31(C=1F) - 祭   ࠬ஢ ᪠  HL 
 
32(C=20) - ⠭/祭  짮⥫ 
 
33(C=21) - ⥭  ந쭮 浪 
 
34(C=22) -   ந쭮 浪 
 
35(C=23) - ᫥ ࠧ 䠩 
 
36(C=24) - ⠭ ந쭮  
 
     ⨯ ਬ 맮 ⥬ 㭪樨 :  
 
  BDOS	  EQU	    5	      ;  室  BDOS 
	  MVI	    C,9       ;  맮 " ப" 
	  LXI	    D,ADRES   ;  DE  ப   
	  CALL	    BDOS      ; 맮 ⥬ 
 
 
	  *************************** 
	       10 . 09 . 1987 .
	  ***************************
  BDOS      ; 맮 ⥬ 
 
 
