Sprinter-Core/src/bios/rom/SETUP/KEY.asm

;
        _mInfoALIGN   256,0			; ¢ëà ¢­¨¢ ­¨¥ ­   ¤à¥á #XX00
SBUF:           BLOCK   64,0

HEAD:           	DB 0
HOST:           	DB 0

;
K_LOCK          EQU     $-KEYFLAG
LANG_L          EQU     7
PAUSE_L         EQU     6
RES5_L          EQU     5
RES4_L          EQU     4
NUM_L           EQU     3
SCRL_L          EQU     2
INS_L           EQU     1
CAPS_L          EQU     0
KEYFLAG:		DB 2			;D0-Key Pressed
;
K_SHIFT         EQU     $-KEYFLAG
L_SHIFT         EQU     7
R_SHIFT         EQU     6
X_CTRL          EQU     5
X_ALT           EQU     4
L_CTRL          EQU     3
L_ALT           EQU     2
R_CTRL          EQU     1
R_ALT           EQU     0
KEYCTRL:		DB 0
;
KEYFLG          EQU     $-KEYFLAG
FLAG_E0         EQU     7
FLAG_F0         EQU     6
FLAG_E1         EQU     5
FLAG_04         EQU     4
FLAG_03         EQU     3
FLAG_02         EQU     2
FLAG_01         EQU     1
FLAG_00         EQU     0
                DB      0
;                
SOUND_K         EQU     $-KEYFLAG
FLAG_S7         EQU     7
FLAG_S6         EQU     6
FLAG_S5         EQU     5
FLAG_S4         EQU     4
FLAG_S3         EQU     3
FLAG_S2         EQU     2
SF_ALT          EQU     1
SF_BUFF         EQU     0
                DB      3
;                
;UNCODE:         DW      0000
;

;      D15 - LShift
;      D14 - RShift
;      D13 - CTRL
;      D12 - ALT
;      D11 - LCTRL
;      D10 - LALT
;       D9 - RCTRL
;       D8 - RALT
;       D7 - Language Lock
;       D6 - Reserved
;       D5 - Reserved
;       D4 - Reserved
;       D3 - Num Lock
;       D2 - Scroll Lock
;       D1 - Insert Lock
;       D0 - Caps Lock

;      D15 - Keystroke
;      D14
;      D13 \
;      D12  \
;      D11 -- Position code (0...5Ah)
;      D10  /
;       D9 /
;       D8
;   D7..D0 - ASCII code

WAITKEY:	LD      HL,HOST
		LD      A,(HEAD)
		CP      (HL)
		JR      Z,WAITKEY
		CALL    GETSYM
		LD      A,E
		;AND     A
		RET 

SCANKEY:	LD      HL,HOST
		LD      A,(HEAD)
		CP      (HL)
		RET     Z
		CALL    GETSYM
		LD      A,E
		RET 

CTRLKEY:	LD      HL,HOST
		LD      A,(HEAD)
		CP      (HL)
		LD      BC,(KEYFLAG)
		LD      A,#00
		RET     Z
		DEC     A
		RET 

PUTSYM:		LD      HL,HEAD
		LD      A,(HOST)
		SUB     4
		AND     #3F
		CP      (HL)
		JR      Z,FULL_BF
		;
		CALL	GetSymAddr
		;
		LD      (HL),E
		INC     L
		LD      (HL),D
		INC     L
		LD      (HL),B
		INC     L
		LD      (HL),C
		RET 

GetSymAddr:	LD	A,(HL)
		INC	(HL)
		INC	(HL)
		INC	(HL)
		INC	(HL)
		RES	6,(HL)
		LD	L,A
		LD	H,high SBUF
		RET

GETSYM:		LD      HL,HOST
		LD      A,(HEAD)
		CP      (HL)
		RET     Z
		AND	A
		;
		CALL	GetSymAddr
		;
		LD      E,(HL)
		INC     L
		LD      D,(HL)
		INC     L
		LD      B,(HL)
		INC     L
		LD      C,(HL)
		RET

FULL_BF:       	EX      AF,AF'
        	BIT     SF_BUFF,(IX+SOUND_K)
        	JR      Z,.FBF
        	EXX 
        	 LD      DE,230
        	 LD      HL,50
        	 CALL    BEEP
        	EXX 
.FBF:   	EX      AF,AF'
        	RET 

KEYSCAN:	LD	IX,KEYFLAG
RESCANN:
        IN      A,(Z84.SIO.Ch_A.Ctrl)
	AND	1
	RET	Z
	;[x] 18/02/2024 ¯à®¢¥àª  ­  ¯¥à¥¯®«­¥­¨¥ ¡ãä¥à 
	 ; A = 1
	 ; reg 1
	 OUT	(Z84.SIO.Ch_A.Ctrl),A
	 IN	A,(Z84.SIO.Ch_A.Ctrl)
	 AND	%0010'0000	; check receiver overrun error
	 JP	NZ,Receiver_Overrun
	;
        IN      A,(Z84.SIO.Ch_A.Data)
        CP      #F0
        JR      Z,F0_KEY
        CP      #E0
        JR      Z,E0_KEY
	;
	CP      #E1
	IF USE_E1_SCANCODE	
		JR      Z,E1_KEY
	ELSE
		JR	Z,RESCANN
	ENDIF
	;
        BIT     FLAG_F0,(IX+KEYFLG)
        JR      NZ,UN_KEY
	;
        LD      L,A
        CALL    XLAT
        CALL    SHIFTS
        RES     FLAG_E0,(IX+KEYFLG)
	IF USE_E1_SCANCODE
        	RES     FLAG_E1,(IX+KEYFLG)
	ENDIF
	;
	;[x] 29/02/2024 ¢ë£à¥¡á⨠¢¥áì ¡ãä¥à
	 JR	Z,RESCANN	;IT'S SHIFT KEY
	 ; RET	Z		;IT'S SHIFT KEY
	;
        CALL    INPCODE                                                 ;L - AT POS. CODE
	;PUTCODE
        LD      HL,#1C00                                                ;Caps Lock
        AND     A
        SBC     HL,DE
        CALL    Z,CAPS_X

        ; !TODO ¢¥à­ãâì àãá᪨©? € § ç¥¬?
;       LD      HL,#B800                                                ;Ctrl + Space
;       AND     A
;       SBC     HL,DE
;       CALL    Z,RUS_X

        LD      HL,#5000                                                ;Insert
        AND     A
        SBC     HL,DE
        CALL    Z,INS_X
        LD      HL,#4900                                                ;Num Lock
        AND     A
        SBC     HL,DE
        CALL    Z,NUM_X
        LD      HL,#C900                                                ;Pause Lock
        AND     A
        SBC     HL,DE
        CALL    Z,PAUSE_X
        LD      HL,#4800                                                ;Scroll Lock
        AND     A
        SBC     HL,DE
        CALL    Z,SCL_X
        ;-----------------------; !!!!! à¥á¥â ¯® Š€„
        ; LD    HL,#CF00        ;                                       ; Ctrl + Alt + Del
        ; AND   A               ;
        ; SBC   HL,DE           ;
        ; CALL  Z,RST_X         ;
        ;-----------------------;
        LD      BC,(KEYFLAG)
        CALL    PUTSYM
        JP	RESCANN

E0_KEY: SET     FLAG_E0,(IX+KEYFLG)
        JR      RESCANN

F0_KEY: SET     FLAG_F0,(IX+KEYFLG)
        JR      RESCANN

	IF USE_E1_SCANCODE
E1_KEY: 	SET     FLAG_E1,(IX+KEYFLG)
        	JR      RESCANN
	ENDIF

UN_KEY: RES     FLAG_F0,(IX+KEYFLG)
        LD      L,A
        CALL    XLAT
        CALL    UNSHIFT
        RES     FLAG_E0,(IX+KEYFLG)
        ;LD      H,0
        ;LD      (UNCODE),HL
        RET 

CAPS_X: LD      A,(KEYFLAG)
	XOR	1<<CAPS_L
        LD      (KEYFLAG),A
        RET 

INS_X:  LD      A,(KEYFLAG)
        XOR	1<<INS_L
        LD      (KEYFLAG),A
        RET 

NUM_X:  LD      A,(KEYFLAG)
        XOR	1<<NUM_L
        LD      (KEYFLAG),A
        RET 

PAUSE_X:
        BIT     X_CTRL,(IX+K_SHIFT)
        RET     Z
        POP     HL
        LD      A,(KEYFLAG)
        XOR	1<<PAUSE_L
        LD	(KEYFLAG),A
        AND	1<<PAUSE_L
        RET     Z
        EI 
.loop:  HALT 
        BIT     PAUSE_L,(IX+K_LOCK)
        JR      NZ,.loop
        DI 
        RET 

SCL_X:  LD      A,(KEYFLAG)
        XOR	1<<SCRL_L
        LD	(KEYFLAG),A
        RET 

;///////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////
; !TODO £«ï­ãâì, ¬®¦¥â ¯à¨£®¤¨âáï
;ECHOKEY: CALL    SCANKEY
;        JR      Z,ECHOKEY
;        PUSH    DE
;        PUSH    BC
;        CALL    PUTCHAR
;        POP     BC
;        POP     DE
;        LD      A,E
;        AND     A
;        RET

; !TODO £«ï­ãâì, ¬®¦¥â ¯à¨£®¤¨âáï
; TESTKEY:
;         LD      HL,HOST
;         LD      A,(HEAD)
;         CP      (HL)
;         RET     Z
;         LD      L,(HL)
;         LD      H,high SBUF
;         LD      E,(HL)
;         INC     L
;         LD      D,(HL)
;         INC     L
;         LD      B,(HL)
;         INC     L
;         LD      C,(HL)
;         LD      A,E
;         RET 

; !TODO £«ï­ãâì, ¬®¦¥â ¯à¨£®¤¨âáï
; K_CLEAR:
;         LD      A,(HOST)
;         LD      (HEAD),A
;         LD      A,#2F
;         CP      B
;         JR      C,.K_C2
;         LD      A,1
;         SCF 
;         RET 
; .K_C2:  LD      A,#35
;         CP      B
;         JR      NC,.K_C3
;         LD      A,1
;         SCF 
;         RET 
; .K_C3:  LD      C,B
;         RST     #10
;         RET 

; !TODO ¢¥à­ãâì àãá᪨©? € § ç¥¬?
;RUS_X   BIT     X_CTRL,(IX+K_SHIFT)
;        RET     Z
;        LD      A,(IX+K_LOCK)
;        XOR     #80
;        LD      (IX+K_LOCK),A
;        BIT     SF_ALT,(IX+SOUND_K)
;        RET     Z
;        EXX
;        LD      DE,190
;        LD      HL,20
;        CALL    BEEP
;        EXX
;        RET

;---------------------------- ;!!!!! à¥á¥â ¯® Š€„
; RST_X:
;       BIT     X_CTRL,(IX+K_SHIFT)
;       RET     Z
;       BIT     X_ALT,(IX+K_SHIFT)
;       RET     Z
;       XOR     A
;       LD      BC,#02FD
;       RST_to_BIOS
;       RET 
;----------------------------
;///////////////////////////////////////////////////////////////////////
;///////////////////////////////////////////////////////////////////////

;
;;
UNSHIFT:
        LD      A,L
        CP      #37                                                             ;L ALT
        JR      Z,.L_ALT
        CP      #39                                                             ;R ALT
        JR      Z,.R_ALT
        CP      #36                                                             ;L CTRL
        JR      Z,.L_CTRL
        CP      #3A                                                             ;R CTRL
        JR      Z,.R_CTRL
        CP      #29                                                             ;L SHIFT
        JR      Z,.L_SHIFT
        CP      #34                                                             ;R SHIFT
        RET     NZ
;.R_SHIFT:
        RES     R_SHIFT,(IX+K_SHIFT)
        RET 
.L_ALT:
        RES     L_ALT,(IX+K_SHIFT)
        BIT     R_ALT,(IX+K_SHIFT)
        RET     NZ
        RES     X_ALT,(IX+K_SHIFT)
        RET 
.R_ALT:
        RES     R_ALT,(IX+K_SHIFT)
        BIT     L_ALT,(IX+K_SHIFT)
        RET     NZ
        RES     X_ALT,(IX+K_SHIFT)
        RET
.L_CTRL:
        RES     L_CTRL,(IX+K_SHIFT)
        BIT     R_CTRL,(IX+K_SHIFT)
        RET     NZ
        RES     X_CTRL,(IX+K_SHIFT)
        RET
.R_CTRL:
        RES     R_CTRL,(IX+K_SHIFT)
        BIT     L_CTRL,(IX+K_SHIFT)
        RET     NZ
        RES     X_CTRL,(IX+K_SHIFT)
        RET
.L_SHIFT:
        RES     L_SHIFT,(IX+K_SHIFT)
        RET
;;
SHIFTS:
        LD      A,L
        CP      #37                                                             ;L ALT
        JR      Z,.L_ALT
        CP      #39                                                             ;R ALT
        JR      Z,.R_ALT
        CP      #36                                                             ;L CTRL
        JR      Z,.L_CTRL
        CP      #3A                                                             ;R CTRL
        JR      Z,.R_CTRL
        CP      #29                                                             ;L SHIFT
        JR      Z,.L_SHIFT
        CP      #34                                                             ;R SHIFT
        RET     NZ
;R SHIFT:
        SET     R_SHIFT,(IX+K_SHIFT)
        RET 
.L_ALT:
        SET     L_ALT,(IX+K_SHIFT)
        SET     X_ALT,(IX+K_SHIFT)
        RET 
.R_ALT:
        SET     R_ALT,(IX+K_SHIFT)
        SET     X_ALT,(IX+K_SHIFT)
        RET 
.L_CTRL:
        SET     L_CTRL,(IX+K_SHIFT)
        SET     X_CTRL,(IX+K_SHIFT)
        RET 
.R_CTRL:
        SET     R_CTRL,(IX+K_SHIFT)
        SET     X_CTRL,(IX+K_SHIFT)
        RET 
.L_SHIFT:
        SET     L_SHIFT,(IX+K_SHIFT)
        RET 
;;
;

;Standart ASCII tables
NORMTAB:
        DB      "`",Esc,"1","2","3","4","5","6","7","8","9","0","-","=",Bcs
        DB      Tab,"q","w","e","r","t","y","u","i","o","p","[","]"
        DB      Cps,"a","s","d","f","g","h","j","k","l",";","'",Ent
        DB      #00,"z","x","c","v","b","n","m",#2C,".","/",#00,#5C ;"\"
        DB      #00,#00,Spc,#00,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
        DB      #00,#00,#00,"/","*","-","+",Ent,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
SHIFTAB:
        DB      "~",Esc,"!","@","#","$","%","^","&","*","(",")","_","+",Bcs
        DB      Tab,"Q","W","E","R","T","Y","U","I","O","P","{","}"
        DB      Cps,"A","S","D","F","G","H","J","K","L",":",#22,Ent
        DB      #00,"Z","X","C","V","B","N","M","<",">","?",#00,"|"
        DB      #00,#00,Spc,#00,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
        DB      #00,#00,#00,"/","*","-","+",Ent,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
CAPSTAB:
        DB      "`",Esc,"1","2","3","4","5","6","7","8","9","0","-","=",Bcs
        DB      Tab,"Q","W","E","R","T","Y","U","I","O","P","[","]"
        DB      Cps,"A","S","D","F","G","H","J","K","L",";","'",Ent
        DB      #00,"Z","X","C","V","B","N","M",#2C,".","/",#00,#5C ;"\"
        DB      #00,#00,Spc,#00,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
        DB      #00,#00,#00,"/","*","-","+",Ent,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
SHF2TAB:
        DB      "~",Esc,"!","@","#","$","%","^","&","*","(",")","_","+",Bcs
        DB      Tab,"q","w","e","r","t","y","u","i","o","p","{","}"
        DB      Cps,"a","s","d","f","g","h","j","k","l",":",#22,Ent
        DB      #00,"z","x","c","v","b","n","m","<",">","?",#00,"|"
        DB      #00,#00,Spc,#00,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
        DB      #00,#00,#00,"/","*","-","+",Ent,#00
        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00

///////////////////////////////////////////////////////////////////////
;        _mInfoALIGN 256,0	; ¡¥§ ¢ëà ¢­¨¢ ­¨ï
XLAT_T:
;        0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
 DB     #00,#43,#00,#3F,#3D,#3B,#3C,#46,#00,#44,#42,#40,#3E,#0F,#00,#00 ;00
 DB     #00,#37,#29,#00,#36,#10,#02,#00,#00,#00,#2A,#1E,#1D,#11,#03,#00 ;10
 DB     #00,#2C,#2B,#1F,#12,#05,#04,#00,#00,#38,#2D,#20,#14,#13,#06,#00 ;20
 DB     #00,#2F,#2E,#22,#21,#15,#07,#00,#00,#00,#30,#23,#16,#08,#09,#00 ;30
 DB     #00,#31,#24,#17,#18,#0B,#0A,#00,#00,#32,#33,#25,#26,#19,#0C,#00 ;40
 DB     #00,#00,#27,#00,#1A,#0D,#00,#00,#1C,#34,#28,#1B,#00,#35,#00,#00 ;50
 DB     #00,#00,#00,#00,#00,#00,#0E,#00,#00,#51,#00,#54,#57,#00,#00,#00 ;60
 DB     #50,#4F,#52,#55,#56,#58,#01,#49,#45,#4D,#53,#4C,#4B,#59,#48,#00 ;70
 DB     #00,#00,#00,#41,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00 ;80
XLAT_T.Size	EQU $-XLAT_T
///////////////////////////////////////////////////////////////////////


XLAT:   BIT     FLAG_E0,(IX+KEYFLG)
        JR      Z,.W_O_E0
        CP      #11                                                     ; Right ALT
        LD      L,#39
        RET     Z

        CP      #14                                                     ; Right CTRL
        LD      L,#3A
        RET     Z

        CP      #5A                                                     ; enter
        LD      L,#4E
        RET     Z

        CP      #4A                                                     ; /
        LD      L,#4A
        RET     Z

        CP      #7C                                                     ; * - Print Screen
        LD      L,#47
        RET     Z

        LD      L,A
.W_O_E0:
	; â ¡«¨æ  á ¢ëà ¢­¨¢ ­¨¥¬ ­  256
	 ; LD      H,high XLAT_T
         ; LD      L,(HL)
	; 
	; ¡¥§ ¢ëà ¢­¨¢ ­¨ï
	; [x] 31/03/2024 ¨á¯à ¢«¥­ ¡ £ á ¢ë室®¬ §  £à ­¨æë â ¡«¨æë XLAT_T
	 CP	XLAT_T.Size
	 LD	L,0
	 RET	NC
	;
	LD	HL,XLAT_T
	ADD	A,L
	LD	L,A
	JR	NC,.no_inc
	INC	H
.no_inc:
	LD	L,(HL)
	RET	
        RET 

; !TODO ¯®á¬®âà¥âì
;INPCODE:
;        BIT     1,(IX+1)        ;00110000
;        JR      NZ,FN_KEY       ;LRCAcaRP

INPCODE:	LD	D,L
		LD	E,0
		; !TODO ¢¥à­ãâì àãá᪨©? € § ç¥¬?
		; BIT	LANG_L,(IX+K_LOCK)
		; JP	NZ,RUSCODE
		LD	A,(KEYCTRL)
		AND	1<<L_SHIFT | 1<<R_SHIFT
		JR	NZ,.SHIFT
		SET	7,D
		BIT	X_ALT,(IX+K_SHIFT)
		RET	NZ
		BIT	X_CTRL,(IX+K_SHIFT)
		RET	NZ
		LD	D,L
		BIT	CAPS_L,(IX+K_LOCK)
		LD	BC,CAPSTAB
		JR	NZ,CONVERT.NO_SET
		LD	BC,NORMTAB
		JR	CONVERT.NO_SET
		;
.SHIFT:		LD	BC,SHIFTAB
		BIT	CAPS_L,(IX+K_LOCK)
		JR	Z,CONVERT.SET
		LD	BC,SHF2TAB
CONVERT:	;
.SET:		SET	7,D
.NO_SET:	LD	H,0
		ADD	HL,BC
		LD	E,(HL)
		RET

; !TODO ¢¥à­ãâì àãá᪨©? € § ç¥¬?
;RUSCODE LD      A,(IX+K_SHIFT)
;        AND     #C0
;        JR      NZ,SHIFT_R
;        SET     7,D
;        BIT     X_ALT,(IX+K_SHIFT)
;        RET     NZ
;        BIT     X_CTRL,(IX+K_SHIFT)
;        RET     NZ
;        LD      D,L
;        BIT     CAPS_L,(IX+K_LOCK)
;        LD      BC,CAPSRUS
;        JR      NZ,CONVER2
;        LD      BC,NORMRUS
;CONVER2 LD      H,0
;        ADD     HL,BC
;        LD      E,(HL)
;        RET
;
;SHIFT_R LD      BC,SHIFRUS
;        BIT     CAPS_L,(IX+K_LOCK)
;        JR      Z,CONVER4
;        LD      BC,SHF2RUS
;CONVER4 LD      H,0
;        ADD     HL,BC
;        LD      E,(HL)
;        SET     7,D
;        RET

;K_SETUP INC     B
;        DEC     B
;        JP      Z,KEYMAP
;        DEC     B
;        JP      Z,K_SND_R
;        DEC     B
;        JP      Z,K_SND_W
;        LD      A,#0E
;        SCF
;        RET
;
;K_SND_R LD      A,(SOUND_K)
;        AND     A
;        RET
;
;K_SND_W LD      (SOUND_K),A
;        AND     A
;        RET

;        `
;        0
;       Esc,"1","2","3","4","5","6","7","8","9","0","-","=",Back
;        1   2   3   4   5   6   7   8   9   A   B   C   D   E

;       Tab,"Q","W","E","R","T","Y","U","I","O","P","[","]"
;        F  10  11  12  13  14  15  16  17  18  19  1A  1B

;       Cps,"A","S","D","F","G","H","J","K","L",";","'",Enter
;       1C  1D  1E  1F  20  21  22  23  24  25  26  27  28

;       LSh,"Z","X","C","V","B","N","M",",",".","/",RSh,"\"
;       29  2A  2B  2C  2D  2E  2F  30  31  32  33  34  35

;       LCl,LAt,SPC,Rat,RCl,F01,F02,F03,F04,F05,F06,F07,F08
;       36  37  38  39  3A  3B  3C  3D  3E  3F  40  41  42

;       F09,F10,F11,F12,prn,scr,num,"/","*","-","+",ent,Del
;       43  44  45  46  47  48  49  4A  4B  4C  4D  4E  4F

;       Ins,End,Dwn,PgD,Lft,"5",Rgh,Hom,Upp,PgU
;       50  51  52  53  54  55  56  57  58  59
;
;================================
Esc     EQU     #1B
Bcs     EQU     #08
Tab     EQU     #09
Cps     EQU     #00
Spc     EQU     #20
Ent     EQU     #0D

; !TODO ¢¥à­ãâì àãá᪨©? € § ç¥¬?
;Standart Russian tables
;NORMRUS DB      #F1,Esc,"1","2","3","4","5","6","7","8","9","0","-","=",Bcs
;        DB      Tab,#A9,#E6,#E3,#AA,#A5,#AD,#A3,#E8,#E9,#A7,#E5,#EA
;        DB      Cps,#E4,#EB,#A2,#A0,#AF,#E0,#AE,#AB,#A4,#A6,#ED,Ent
;        DB      #00,#EF,#E7,#E1,#AC,#A8,#E2,#EC,#A1,#EE,".",#00,"\"
;        DB      #00,#00,Spc,#00,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;        DB      #00,#00,#00,"/","*","-","+",Ent,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;
;SHIFRUS DB      #F0,Esc,"!",#22,"#","$",":",#2C,".",";","?","%","_","+",Bcs
;        DB      Tab,#89,#96,#93,#8A,#85,#8D,#83,#98,#99,#87,#95,#9A
;        DB      Cps,#94,#9B,#82,#80,#8F,#90,#8E,#8B,#84,#86,#9D,Ent
;        DB      #00,#9F,#97,#91,#8C,#88,#92,#9C,#81,#9E,#2C,#00,"|"
;        DB      #00,#00,Spc,#00,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;        DB      #00,#00,#00,"/","*","-","+",Ent,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;
;CAPSRUS DB      #F0,Esc,"1","2","3","4","5","6","7","8","9","0","-","=",Bcs
;        DB      Tab,#89,#96,#93,#8A,#85,#8D,#83,#98,#99,#87,#95,#9A
;        DB      Cps,#94,#9B,#82,#80,#8F,#90,#8E,#8B,#84,#86,#9D,Ent
;        DB      #00,#9F,#97,#91,#8C,#88,#92,#9C,#81,#9E,".",#00,"\"
;        DB      #00,#00,Spc,#00,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;        DB      #00,#00,#00,"/","*","-","+",Ent,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;
;SHF2RUS DB      #F1,Esc,"!",#22,"#","$",":",#2C,".",";","?","%","_","+",Bcs
;        DB      Tab,#A9,#E6,#E3,#AA,#A5,#AD,#A3,#E8,#E9,#A7,#E5,#EA
;        DB      Cps,#E4,#EB,#A2,#A0,#AF,#E0,#AE,#AB,#A4,#A6,#ED,Ent
;        DB      #00,#EF,#E7,#E1,#AC,#A8,#E2,#EC,#A1,#EE,#2C,#00,"|"
;        DB      #00,#00,Spc,#00,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;        DB      #00,#00,#00,"/","*","-","+",Ent,#00
;        DB      #00,#00,#00,#00,#00,#00,#00,#00,#00,#00
;
;================================

; BEEP:		LD	A,#10
; 		OUT	(ZX_Beeper),A
; 		LD	B,D
; 		LD	C,E
; .loop1:		DEC	BC
; 		LD	A,B
; 		OR	C
; 		JR	NZ,.loop1
; 		XOR	A	;LD	A,#00
; 		OUT	(ZX_Beeper),A
; 		LD	B,D
; 		LD	C,E
; .loop2:		DEC	BC
; 		LD	A,B
; 		OR	C
; 		JR	NZ,.loop2
; 		DEC	HL
; 		LD	A,H
; 		OR	L
; 		JR	NZ,BEEP
; 		RET

;COM_A  EQU     #19     Z84.SIO.Ch_A.Ctrl
;DAT_A  EQU     #18     Z84.SIO.Ch_A.Data
;------------------------------;????? à §®¡à âìáï
; !TODO £«ï­ãâì, ¬®¦¥â ¯à¨£®¤¨âáï
; KINIT:  LD      A,0
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,1
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,#00                                                   ;#18
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,3
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,#C1
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,4
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,#07                                                   ;#05
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,5
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         LD      A,#62
;         OUT     (Z84.SIO.Ch_A.Ctrl),A
;         RET
;------------------------------;????? à §®¡à âìáï 

; [x] 18/02/2024 ¯à®¢¥àª  ­  ¯¥à¥¯®«­¥­¨¥ ¡ãä¥à 
Receiver_Overrun:
	; empty the buffer
	IN	A,(Z84.SIO.Ch_A.Data)
	IN	A,(Z84.SIO.Ch_A.Ctrl)
	RRCA
	JR	C,Receiver_Overrun
	; reg 0 - reset errors
	LD	A,%0011'0000
	OUT	(Z84.SIO.Ch_A.Ctrl),A
	;!TODO ¯à¨ ¤¥â¥ªâ¥ ¯¥à¥¯®«­¥­¨ï ¡ãä¥à  ¯à®æ  á­ïâì ª« ¢¨è¨ ¨§ ¯®àâ  #FE ᯥªâà㬠
	;
	LD	(IX+K_SHIFT),0
	LD	(IX+KEYFLG),0
	;
	; LD	A,(HOST)
	; LD	(HEAD),A
	;
	AND	A
	RET
;