RECOVERY:

- обновлены системные файлы
- подправлены опечатки. Спасибо @Andrew_Gorshkov
BIOS:
Исправлен баг в READ_SECTOR, могло уходить в бесконечный цикл

src/bios/exp/EXTENDED/FDD_DRIVER_2.asm

@@ -232,7 +232,7 @@ FDD_5x_LONG_READ:
 		PUSH	DE
 		PUSH	BC
 		PUSH	HL
-		CALL	RD_SEC
+		CALL	READ_SECTOR
 		JP	C,ERRDOS
 		LD	D,YH
 		LD	E,YL
@@ -431,80 +431,80 @@ FDD_5x_LONG_WRITE:
 ;-------------------------------
 ;READ SECTOR
 ;-------------------------------
-RD_SEC:	LD	D,5	;RETRY COUNT
+READ_SECTOR:	LD	D,5			;RETRY COUNT
-.RRETRY:
+.RRETRY:	;DI 
-	;DI 
+		PUSH	DE
-	PUSH	DE
+		LD	A,E
-	LD	A,E
+		INC	A
-	INC	A
+		OUT	(FDC_93.Sector),A
-	OUT	(FDC_93.Sector),A
+.FDREAD:	IN	A,(SLOT3)
-.FDREAD:
+		EX	AF,AF'
-	IN	A,(SLOT3)
+		LD	A,XH
-	EX	AF,AF'
+		OUT	(SLOT3),A
-	LD	A,XH
+		LD	B,4
-	OUT	(SLOT3),A
+		LD	C,FDC_93.Data
-	LD	B,4
+		LD	A,#80			;COMMAND READ
-	LD	C,FDC_93.Data
+		OUT	(FDC_93.Command),A
-	LD	A,#80		;COMMAND READ
+.FDR001:	IN	A,(FDC_93.DrvCTRL)	;WAIT INTRQ or DRQ
-	OUT	(FDC_93.Command),A
+		AND	#C0
-.FDR001:
+		JR	NZ,.FDR004
-	IN	A,(FDC_93.DrvCTRL)	;WAIT INTRQ or DRQ
+		INC	DE
-	AND	#C0
+		LD	A,E
-	JR	NZ,.FDR004
+		OR	D
-	INC	DE
+		JR	NZ,.FDR001
-	LD	A,E
+		DJNZ	.FDR001
-	OR	D
+		SCF 
-	JR	NZ,.FDR001
+		JR	.FDR005
-	DJNZ	.FDR001
+		;
-	SCF 
+.FDR004:	INI				;READ BYTE
-	JR	.FDR005
+.FDR002:	IN	A,(FDC_93.DrvCTRL)
-.FDR004:
+		AND	#C0
-	INI			;READ BYTE
+		JR	Z,.FDR002
-.FDR002:
+		JP	P,.FDR004
-	IN	A,(FDC_93.DrvCTRL)
+.FDR005:	EX	AF,AF'
-	AND	#C0
+		OUT	(SLOT3),A
-	JR	Z,.FDR002
+		EX	AF,AF'
-	JP	P,.FDR004
+		;
-.FDR005:
+		POP	DE
-	EX	AF,AF'
+		;EI 
-	OUT	(SLOT3),A
+		IN	A,(FDC_93.Command)
-	EX	AF,AF'
+		LD	C,A
-;-------------------------------
+;R01		; JP	C,ERRRD			;READ ERROR
-	POP	DE
+		; !TEST 29/06/2024
-	;EI 
+		 ;JP	C,.ERR_XRD
-	IN	A,(FDC_93.Command)
+		 JP	NC,.NO_ERR_XRD
-	LD	C,A
+		 DEC	D
-;R01
+		 JR	Z,.RSTOP
-	JP	C,.ERR_XRD
+		 JR	.RRETRY
-;	JP	C,ERRRD	;READ ERROR
+		;
-	AND	#7F
+.NO_ERR_XRD:	; 
-	RET	Z
+		AND	#7F
-	BIT	2,C
+		RET	Z
-	JR	NZ,.ERDATA
+		BIT	2,C
-	LD	A,5	;SEEK ERROR
+		JR	NZ,.ERDATA
-	DEC	D
+		LD	A,5			;SEEK ERROR
-	JP	Z,.RSTOP
+		DEC	D
-	PUSH	DE
+		JR	Z,.RSTOP
-	CALL	RESWG		; RESET_WG
+		PUSH	DE
-	LD	A,XL
+		CALL	RESWG			; RESET_WG
-	CALL	SEEK	  ; !!!!!  ¯®á¬®âà¥âì
+		LD	A,XL
-.ERR_XRD:
+		CALL	SEEK	  ; !!!!!  ¯®á¬®âà¥âì
-	POP	DE
+.ERR_XRD:	POP	DE
-	JR	.RRETRY
+		JR	.RRETRY
-.ERDATA:
+		;
-	DEC	D	       ; POTERIA DANNYH
+.ERDATA:	DEC	D			; POTERIA DANNYH
-	JR	NZ,.RRETRY
+		JR	NZ,.RRETRY
-.ERRRD:	LD	A,9	;READ ERROR
+.ERRRD:		LD	A,9	;READ ERROR
-.RSTOP:	EX	AF,AF'
+.RSTOP:		EX	AF,AF'
-	LD	A,#D0
+		LD	A,#D0
-	OUT	(FDC_93.Command),A      ;STOP OPERATION
+		OUT	(FDC_93.Command),A      ;STOP OPERATION
-	EX	AF,AF'
+		EX	AF,AF'
-	BIT	0,C
+		BIT	0,C
-	SCF 
+		SCF 
-	RET	Z
+		RET	Z
-	LD	A,6	;SECTOR	NOT FOUND /NO DISK/
+		LD	A,6			;SECTOR	NOT FOUND /NO DISK/
-	RET 
+		RET 
-;
+;	;	;
 
 ;
 ;-------------------------------