;----------------------------------------
;    STRINT IS EF-NET OUT. THE INT.
;  USE INT08
;   1.    R1R0 -- TO OUTPUT BUFFER
;    R2R3 -- STORE BCNT
;    R4   -- STORE STAT
;    R7R6   -- STORE  CRC
;    SIOFLG-- TRANSMIT FLAG.
;  IF     SIOFLG=00H, OUTPUT BYTE IS BCNTL
;          =01H, OUTPUT BYTE IS BCNTH
;          =02H, OUTPUT BYTE IS STATE
;          =03H, OUTPUT BYTE IS DATA BYTE
;          =04H, OUTPUT BYTE IS ADDL
;          =05H, OUTPUT BYTE IS ADDH
;          =06H, OUTPUT END
;------------------------------------------
STRINT:    PUSH PSW
    PUSH ACC
    PUSH DPL
    PUSH DPH
    MOV PSW,#08H        ;SELECT BANK-1
    JBC TI,STR01            ;串口发送中断标志。
    MOV TMR04,#00H        ;INITIAL WATCH-DOG=120s
    MOV TMR05,#08H
    CLR RI
    LJMP SREINT
; OUTPUT BCNTL
STR01:    MOV A,SIOFLG
    JNZ STR02
    MOV SCON,#0C0H
    MOV A,R2
    SJMP STR26

; OUTPUT BCNTH
STR02:    CJNE A,#01H,STR10
    MOV A,R3
    SJMP STR26
;
; OUTPUT STAT
STR10:    CJNE A,#02H,STR20
    INC SIOFLG        ;OUT DATA BYTE FLAG
    MOV A,R4
    DEC R2
    CJNE R2,#00H,STR28
    SJMP STR26
;
; OUTPUT DATA BYTES
STR20:    CJNE A,#03H,STR30
    MOV DPL,R0
    MOV DPH,R1
    MOVX A,@DPTR
    INC DPTR
    MOV R0,DPL
    MOV R1,DPH
    DJNZ R2,STR28
STR26:    INC SIOFLG

;**************************
STR28:    MOV SBUF,A
    MOV DPTR,#CRCTAB1
    XRL A,R6
    CLR C
    RLC A
    JNC STR2A
    INC DPH
STR2A:    ADD A,DPL
    MOV DPL,A
    CLR A
    ADDC A,DPH
    MOV DPH,A
    CLR A
    MOVC A,@A+DPTR
    XRL A,R7
    MOV R6,A
    MOV A,#01H
    MOVC A,@A+DPTR
    MOV R7,A
;********************************
    SJMP STR8A
;
; OUTPUT ADDL
STR30:    CJNE A,#04H,STR40
    INC SIOFLG
    MOV SBUF,R6
    SJMP STR8A
;
; OUTPUT ADDH
STR40:    CJNE A,#05H,STR48
    INC SIOFLG
    MOV SBUF,R7
    SJMP STR8A
STR48:    MOV SCON,#0F0H
    SETB HATSIO
STR8A:    POP DPH
    POP DPL
    POP ACC
    POP PSW
    RETI
;
;-----------------------------------
;  SREINT IS EF-NET RECEIVE THE INT.
;  USE RI INT.(INT09)
;    1.  SIOFLG,7=0  IS SLAVE MODE RECEIVE
;    R1R0  --- INPUT BUFFER ADDR
;    R2    --- STORE BCNT
;    R6    --- STORE ADDBL
;     R7    --- STORE ADDBH
;
;    SR10--- STORE RECEIVED ADDR
;    SR12--- STORE BCNT
;    SR14--- STORE COMMAND NO.
; IF       SIOFLG=80H, RECEIVE BYTE IS COMMAND BYTE
;                =81H, RECEIVE BYTE IS ADDH BYTE
;          =82H, RECEIVE BYTE IS BCNT LOW BYTE
;          =83H, RECEIVE BYTE IS BCNT HIGH BYTE
;          =84H, RECEIVE BYTE IS DATA BYTE
;          =85H, RECEIVE BYTE IS ADDBH
;          =86H, RECEIVE BYTE IS ADDBL
;      SIOFLG.4=1 THEN BROADCAST COMMADN
;------------------------------------------------
;
SRE00:    MOV A,SBUF         ;READ ADDL
    JZ SRE02
    CJNE A,STAADL,SRE08
SRE02:    CLR SM2
    MOV SR10,A
    CLR A
    MOV SR11,A
    MOV R7,A
    MOV R6,A
    MOV A,SR10
    MOV SIOFLG,#80H
    SJMP SRE68
SRE06:    POP DPH
    POP DPL
    POP ACC
    POP PSW
    RETI
SRE08:    MOV SIOFLG,#0FFH
    SETB SM2
    SJMP SRE06
;
SREINT:    JB RB8,SRE00        ;RB8=1 GO
;
; IT IS COMMAND  BYTES
SRE20:    MOV A,SIOFLG
    CJNE A,#80H,SRE30
    MOV A,SBUF
    MOV SR14,A
    INC SIOFLG        ;RECEIVE ADDH FLAG
    JB ACC.7,SRE68
    SJMP SRE66
;
; IT IS ADDH
SRE30:    CJNE A,#81H,SRE40
    MOV A,SBUF        ;READ ADDH
    CJNE A,STAADH,SRE08
    MOV SR11,A
    MOV A,SR10
    CJNE A,STAADL,SRE08
    MOV A,SR11
    SJMP SRE66
;
;IT IS BCNT LOW BYTE
SRE40:    CJNE A,#82H,SRE50
    MOV A,SBUF
    MOV R2,A
    CLR C
    SUBB A,#FILONG+1
    JNC SRE08
    MOV A,R2
    SJMP SRE66
;
;IT IS BCNT HIGH BYTE
SRE50:    CJNE A,#83H,SRE60
    MOV A,SBUF
    JNZ SRE08
    INC SIOFLG        ;RECEIVE DATA BYTE FLAG
    MOV DPTR,#SIOBUF
    MOV R0,DPL
    MOV R1,DPH
    CJNE R2,#00H,SRE68
    SJMP SRE66
;
;RECEIVE DATA BYTES
SRE60:    CJNE A,#84H,SRE70
    MOV A,SBUF
    MOV DPL,R0
    MOV DPH,R1
    MOVX @DPTR,A
    INC DPTR
    MOV R0,DPL
    MOV R1,DPH
    DJNZ R2,SRE68
SRE66:    INC SIOFLG

;******************************
SRE68:    MOV DPTR,#CRCTAB1
    XRL A,R6
    CLR C
    RLC A
    JNC SRE6A
    INC DPH
SRE6A:    ADD A,DPL
    MOV DPL,A
    CLR A
    ADDC A,DPH
    MOV DPH,A
    CLR A
    MOVC A,@A+DPTR
    XRL A,R7
    MOV R6,A
    MOV A,#01H
    MOVC A,@A+DPTR
    MOV R7,A
;********************************
SRE6E:    LJMP SRE06
;IT IS CRC LOW
SRE70:    CJNE A,#85H,SRE80
    MOV A,SBUF
    XRL A,R6
    JNZ SRE88
    INC SIOFLG        ;XORB FLAG

    MOV A,SR14
    ANL A,#7FH
    CJNE A,#03H,SRE6E    ;NOT COMMAND No. 03(TEXT COMMAND GO)
    MOV TL0,#00H        ;

    SJMP SRE6E
;IT IS ACC HIGH
SRE80:    CJNE A,#86H,SRE88
    MOV A,SBUF
    XRL A,R7
    JZ SRDCOM
SRE88:    LJMP SRE08
;



;
CRC_TAB:    DB    000H,000H;00
        DB    089H,011H;01
        DB    012H,023H;02
        DB    09BH,032H;03
        DB    024H,046H;04
        DB    0ADH,057H;05
        DB    036H,065H;06
        DB    0BFH,074H;07
        DB    048H,08CH;08
        DB    0C1H,09DH;09
        DB    05AH,0AFH;0A
        DB    0D3H,0BEH;0B
        DB    06CH,0CAH;0C
        DB    0E5H,0DBH;0D
        DB    07EH,0E9H;0E
        DB    0F7H,0F8H;0F
        DB    081H,010H;010
        DB    008H,001H;011
        DB    093H,033H;012
        DB    01AH,022H;013
        DB    0A5H,056H;014
        DB    02CH,047H;015
        DB    0B7H,075H;016
        DB    03EH,064H;017
        DB    0C9H,09CH;018
        DB    040H,08DH;019
        DB    0DBH,0BFH;01A
        DB    052H,0AEH;01B
        DB    0EDH,0DAH;01C
        DB    064H,0CBH;01D
        DB    0FFH,0F9H;01E
        DB    076H,0E8H;01F
        DB    002H,021H;020
        DB    08BH,030H;021
        DB    010H,002H;022
        DB    099H,013H;023
        DB    026H,067H;024
        DB    0AFH,076H;025
        DB    034H,044H;026
        DB    0BDH,055H;027
        DB    04AH,0ADH;028
        DB    0C3H,0BCH;029
        DB    058H,08EH;02A
        DB    0D1H,09FH;02B
        DB    06EH,0EBH;02C
        DB    0E7H,0FAH;02D
        DB    07CH,0C8H;02E
        DB    0F5H,0D9H;02F
        DB    083H,031H;030
        DB    00AH,020H;031
        DB    091H,012H;032
        DB    018H,003H;033
        DB    0A7H,077H;034
        DB    02EH,066H;035
        DB    0B5H,054H;036
        DB    03CH,045H;037
        DB    0CBH,0BDH;038
        DB    042H,0ACH;039
        DB    0D9H,09EH;03A
        DB    050H,08FH;03B
        DB    0EFH,0FBH;03C
        DB    066H,0EAH;03D
        DB    0FDH,0D8H;03E
        DB    074H,0C9H;03F
        DB    004H,042H;040
        DB    08DH,053H;041
        DB    016H,061H;042
        DB    09FH,070H;043
        DB    020H,004H;044
        DB    0A9H,015H;045
        DB    032H,027H;046
        DB    0BBH,036H;047
        DB    04CH,0CEH;048
        DB    0C5H,0DFH;049
        DB    05EH,0EDH;04A
        DB    0D7H,0FCH;04B
        DB    068H,088H;04C
        DB    0E1H,099H;04D
        DB    07AH,0ABH;04E
        DB    0F3H,0BAH;04F
        DB    085H,052H;050
        DB    00CH,043H;051
        DB    097H,071H;052
        DB    01EH,060H;053
        DB    0A1H,014H;054
        DB    028H,005H;055
        DB    0B3H,037H;056
        DB    03AH,026H;057
        DB    0CDH,0DEH;058
        DB    044H,0CFH;059
        DB    0DFH,0FDH;05A
        DB    056H,0ECH;05B
        DB    0E9H,098H;05C
        DB    060H,089H;05D
        DB    0FBH,0BBH;05E
        DB    072H,0AAH;05F
        DB    006H,063H;060
        DB    08FH,072H;061
        DB    014H,040H;062
        DB    09DH,051H;063
        DB    022H,025H;064
        DB    0ABH,034H;065
        DB    030H,006H;066
        DB    0B9H,017H;067
        DB    04EH,0EFH;068
        DB    0C7H,0FEH;069
        DB    05CH,0CCH;06A
        DB    0D5H,0DDH;06B
        DB    06AH,0A9H;06C
        DB    0E3H,0B8H;06D
        DB    078H,08AH;06E
        DB    0F1H,09BH;06F
        DB    087H,073H;070
        DB    00EH,062H;071
        DB    095H,050H;072
        DB    01CH,041H;073
        DB    0A3H,035H;074
        DB    02AH,024H;075
        DB    0B1H,016H;076
        DB    038H,007H;077
        DB    0CFH,0FFH;078
        DB    046H,0EEH;079
        DB    0DDH,0DCH;07A
        DB    054H,0CDH;07B
        DB    0EBH,0B9H;07C
        DB    062H,0A8H;07D
        DB    0F9H,09AH;07E
        DB    070H,08BH;07F
;-----------------------------------------
        DB    008H,084H;080
        DB    081H,095H;081
        DB    01AH,0A7H;082
        DB    093H,0B6H;083
        DB    02CH,0C2H;084
        DB    0A5H,0D3H;085
        DB    03EH,0E1H;086
        DB    0B7H,0F0H;087
        DB    040H,008H;088
        DB    0C9H,019H;089
        DB    052H,02BH;08A
        DB    0DBH,03AH;08B
        DB    064H,04EH;08C
        DB    0EDH,05FH;08D
        DB    076H,06DH;08E
        DB    0FFH,07CH;08F
        DB    089H,094H;090
        DB    000H,085H;091
        DB    09BH,0B7H;092
        DB    012H,0A6H;093
        DB    0ADH,0D2H;094
        DB    024H,0C3H;095
        DB    0BFH,0F1H;096
        DB    036H,0E0H;097
        DB    0C1H,018H;098
        DB    048H,009H;099
        DB    0D3H,03BH;09A
        DB    05AH,02AH;09B
        DB    0E5H,05EH;09C
        DB    06CH,04FH;09D
        DB    0F7H,07DH;09E
        DB    07EH,06CH;09F
        DB    00AH,0A5H;0A0
        DB    083H,0B4H;0A1
        DB    018H,086H;0A2
        DB    091H,097H;0A3
        DB    02EH,0E3H;0A4
        DB    0A7H,0F2H;0A5
        DB    03CH,0C0H;0A6
        DB    0B5H,0D1H;0A7
        DB    042H,029H;0A8
        DB    0CBH,038H;0A9
        DB    050H,00AH;0AA
        DB    0D9H,01BH;0AB
        DB    066H,06FH;0AC
        DB    0EFH,07EH;0AD
        DB    074H,04CH;0AE
        DB    0FDH,05DH;0AF
        DB    08BH,0B5H;0B0
        DB    002H,0A4H;0B1
        DB    099H,096H;0B2
        DB    010H,087H;0B3
        DB    0AFH,0F3H;0B4
        DB    026H,0E2H;0B5
        DB    0BDH,0D0H;0B6
        DB    034H,0C1H;0B7
        DB    0C3H,039H;0B8
        DB    04AH,028H;0B9
        DB    0D1H,01AH;0BA
        DB    058H,00BH;0BB
        DB    0E7H,07FH;0BC
        DB    06EH,06EH;0BD
        DB    0F5H,05CH;0BE
        DB    07CH,04DH;0BF
        DB    00CH,0C6H;0C0
        DB    085H,0D7H;0C1
        DB    01EH,0E5H;0C2
        DB    097H,0F4H;0C3
        DB    028H,080H;0C4
        DB    0A1H,091H;0C5
        DB    03AH,0A3H;0C6
        DB    0B3H,0B2H;0C7
        DB    044H,04AH;0C8
        DB    0CDH,05BH;0C9
        DB    056H,069H;0CA
        DB    0DFH,078H;0CB
        DB    060H,00CH;0CC
        DB    0E9H,01DH;0CD
        DB    072H,02FH;0CE
        DB    0FBH,03EH;0CF
        DB    08DH,0D6H;0D0
        DB    004H,0C7H;0D1
        DB    09FH,0F5H;0D2
        DB    016H,0E4H;0D3
        DB    0A9H,090H;0D4
        DB    020H,081H;0D5
        DB    0BBH,0B3H;0D6
        DB    032H,0A2H;0D7
        DB    0C5H,05AH;0D8
        DB    04CH,04BH;0D9
        DB    0D7H,079H;0DA
        DB    05EH,068H;0DB
        DB    0E1H,01CH;0DC
        DB    068H,00DH;0DD
        DB    0F3H,03FH;0DE
        DB    07AH,02EH;0DF
        DB    00EH,0E7H;0E0
        DB    087H,0F6H;0E1
        DB    01CH,0C4H;0E2
        DB    095H,0D5H;0E3
        DB    02AH,0A1H;0E4
        DB    0A3H,0B0H;0E5
        DB    038H,082H;0E6
        DB    0B1H,093H;0E7
        DB    046H,06BH;0E8
        DB    0CFH,07AH;0E9
        DB    054H,048H;0EA
        DB    0DDH,059H;0EB
        DB    062H,02DH;0EC
        DB    0EBH,03CH;0ED
        DB    070H,00EH;0EE
        DB    0F9H,01FH;0EF
        DB    08FH,0F7H;0F0
        DB    006H,0E6H;0F1
        DB    09DH,0D4H;0F2
        DB    014H,0C5H;0F3
        DB    0ABH,0B1H;0F4
        DB    022H,0A0H;0F5
        DB    0B9H,092H;0F6
        DB    030H,083H;0F7
        DB    0C7H,07BH;0F8
        DB    04EH,06AH;0F9
        DB    0D5H,058H;0FA
        DB    05CH,049H;0FB
        DB    0E3H,03DH;0FC
        DB    06AH,02CH;0FD
        DB    0F1H,01EH;0FE
        DB    078H,00FH;0FF