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📄 start_v2.a66

📁 这个文件是西门子16位单片机从c166上的一些应用程序的源代码
💻 A66
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$IF (CONFIG_CS3)  
                                        ; Set TCONCS3 register
_TCS3           SET     (_PHD3<<5) OR (_PHC3<<3) OR (_PHB3<<2) OR (_PHA3)
_TCS3           SET     _TCS3 OR (_WRPHF3<<13) OR (_RDPHF3<<11) OR (_PHE3<<6)
                MOV     R0,#_TCS3
                MOV     TCONCS3,R0
                                        ; Set ADDRSEL3 register
CALC_ADDRSEL    _ADDRSEL3, _ADDR3, _SIZE3
                MOV     R0,#_ADDRSEL3
                MOV     ADDRSEL3,R0
                                        ; Set FCONCS3 register
_FCS3  SET  (_BTYP3<<4) OR (_RDYMOD3<<2) OR (_RDYEN3<<1) OR (_ENCS3)
                MOV     R0,#_FCS3
                MOV     FCONCS3,R0

$ENDIF

$IF (CONFIG_CS4)  
                                        ; Set TCONCS4 register
_TCS4           SET     (_PHD4<<5) OR (_PHC4<<3) OR (_PHB4<<2) OR (_PHA4)
_TCS4           SET     _TCS4 OR (_WRPHF4<<13) OR (_RDPHF4<<11) OR (_PHE4<<6)
                MOV     R0,#_TCS4
                MOV     TCONCS4,R0
                                        ; Set ADDRSEL4 register
CALC_ADDRSEL    _ADDRSEL4, _ADDR4, _SIZE4
                MOV     R0,#_ADDRSEL4
                MOV     ADDRSEL4,R0
                                        ; Set FCONCS4 register
_FCS4  SET  (_BTYP4<<4) OR (_RDYMOD4<<2) OR (_RDYEN4<<1) OR (_ENCS4)
                MOV     R0,#_FCS4
                MOV     FCONCS4,R0

$ENDIF

$IF (CONFIG_CS5)  
                                        ; Set TCONCS5 register
_TCS5           SET     (_PHD5<<5) OR (_PHC5<<3) OR (_PHB5<<2) OR (_PHA5)
_TCS5           SET     _TCS5 OR (_WRPHF5<<13) OR (_RDPHF5<<11) OR (_PHE5<<6)
                MOV     R0,#_TCS5
                MOV     TCONCS5,R0
                                        ; Set ADDRSEL5 register
CALC_ADDRSEL    _ADDRSEL5, _ADDR5, _SIZE5
                MOV     R0,#_ADDRSEL5
                MOV     ADDRSEL5,R0
                                        ; Set FCONCS5 register
_FCS5  SET  (_BTYP5<<4) OR (_RDYMOD5<<2) OR (_RDYEN5<<1) OR (_ENCS5)
                MOV     R0,#_FCS5 
                MOV     FCONCS5,R0

$ENDIF

$IF (CONFIG_CS6)  
                                        ; Set TCONCS6 register
_TCS6           SET     (_PHD6<<5) OR (_PHC6<<3) OR (_PHB6<<2) OR (_PHA6)
_TCS6           SET     _TCS6 OR (_WRPHF6<<13) OR (_RDPHF6<<11) OR (_PHE6<<6)
                MOV     R0,#_TCS6
                MOV     TCONCS6,R0
                                        ; Set ADDRSEL6 register
CALC_ADDRSEL    _ADDRSEL6, _ADDR6, _SIZE6
                MOV     R0,#_ADDRSEL6
                MOV     ADDRSEL6,R0
                                        ; Set FCONCS6 register
_FCS6  SET  (_BTYP6<<4) OR (_RDYMOD6<<2) OR (_RDYEN6<<1) OR (_ENCS6)
                MOV     R0,#_FCS6 
                MOV     FCONCS6,R0

$ENDIF

$IF (CONFIG_CS7)  
                                        ; Set TCONCS7 register
_TCS7           SET     (_PHD7<<5) OR (_PHC7<<3) OR (_PHB7<<2) OR (_PHA7)
_TCS7           SET     _TCS7 OR (_WRPHF7<<13) OR (_RDPHF7<<11) OR (_PHE7<<6)
                MOV     R0,#_TCS7
                MOV     TCONCS7,R0
                                        ; Set ADDRSEL7 register
CALC_ADDRSEL    _ADDRSEL7, _ADDR7, _SIZE7
                MOV     R0,#_ADDRSEL7
                MOV     ADDRSEL7,R0
                                        ; Set FCONCS7 register
_FCS7  SET  (_BTYP7<<4) OR (_RDYMOD7<<2) OR (_RDYEN7<<1) OR (_ENCS7)
                MOV     R0,#_FCS7 
                MOV     FCONCS7,R0

$ENDIF

$IF (INIT_RSTCON = 1)                   ; Set RSTCON register
_RSTCON         SET     (_ROCOFF<<5) OR (_RORMV<<4) OR (_RSTLEN)
_RSTCON         SET     _RSTCON OR (_RODIS<<7) OR (_ROCON<<6)
                MOV     R0,#_RSTCON
                MOV     RSTCON,R0
$ENDIF

$IF (INIT_PLLCON = 1)                   ; Set PLLCON register
_PLLCON         SET     (_PLLVB<<6) OR (_PLLIDIV<<4) OR (_PLLODIV)
_PLLCON         SET     _PLLCON OR (_PLLWRI<<15) OR (_PLLCTRL<<13) OR (_PLLMUL<<8)
                EXTR    #01H            ; Extended SFR access
                MOV     PLLCON,#_PLLCON
$ENDIF

$IF (INIT_FOCON = 1)                    ; Set FOCON register
_FOCON          SET (_CLKEN<<7) OR (_FORV<<8) OR (_FOSS<<14) OR (_FOEN<<15)
                MOV     FOCON,#_FOCON
$ENDIF
;
                MOV     STKUN,#SOF (_TOS)       ; INITIALIZE STACK UNFL REGISTER
                MOV     STKOV,#SOF (_BOS+6*2)   ; INITIALIZE STACK OVFL REGISTER
                MOV     SP,#SOF (_TOS)          ; INITIALIZE STACK POINTER
                MOV     SPSEG,#SEG (_TOS)       ; INITIALIZE STACK POINTER SEGMENT

$IF NOT TINY

                EXTRN   ?C_PAGEDPP0 : DATA16
                EXTRN   ?C_PAGEDPP1 : DATA16
                EXTRN   ?C_PAGEDPP2 : DATA16

$IF (DPPUSE = 1)
                MOV     DPP0,#?C_PAGEDPP0       ; INIT DPP0 VALUE
$ENDIF
                MOV     DPP1,#?C_PAGEDPP1       ; DEFAULT NEAR CONST PAGE
                MOV     DPP2,#?C_PAGEDPP2       ; DEFAULT NEAR DATA  PAGE

$ENDIF

                MOV     CP,#?C_MAINREGISTERS
                EINIT

                MOV     R0,#?C_USERSTKTOP

;------------------------------------------------------------------------------
;
; The following code is necessary to set RAM variables to 0 at start-up
; (RESET) of the C application program.
;

$IF (CLR_MEMORY = 1)

                EXTRN   ?C_CLRMEMSECSTART : WORD
Clr_Memory:
$IF TINY
                MOV     R8,#?C_CLRMEMSECSTART
                JMPR    cc_Z,EndClear

RepeatClear:
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOV     R5,#0
                MOV     R2,[R8+]    ; Count
                JMPR    cc_Z,EndClear
                MOV     R3,R2
                MOV     R4,[R8+]
                JBC     R2.14,ClearNear

ClearBit:       MOV     R3,R4
                SHR     R3,#3
                BCLR    R3.0
                ADD     R3,#0FD00H              ; START OF BIT SPACE
                MOV     R5,#1
                SHL     R5,R4
                CPL     R5
                AND     R5,[R3]
                MOV     [R3],R5
                ADD     R4,#1
                SUB     R2,#1
                JMPR    cc_NZ,ClearBit
                JMPR    cc_UC,RepeatClear

ClearNear:
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOVB    [R4],RL5
                ADD     R4,#1
                SUB     R2,#1
                JMPR    cc_NN,ClearNear
                JMPR    cc_UC,RepeatClear

$ELSE
                MOV     R9,#SEG (?C_CLRMEMSECSTART)
                MOV     R8,#SOF (?C_CLRMEMSECSTART)
                MOV     R1,R8           
                OR      R1,R9
                JMPR    cc_Z,EndClear

RepeatClear:
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOV     R5,#0
                EXTS    R9,#1
                MOV     R2,[R8+]    ; Count
                JMPR    cc_Z,EndClear
                MOV     R3,R2
                EXTS    R9,#1
                MOV     R4,[R8+]
                JBC     R2.14,ClearNear
                JBC     R2.15,ClearFar

ClearBit:       MOV     R3,R4
                SHR     R3,#3
                BCLR    R3.0
                ADD     R3,#0FD00H              ; START OF BIT SPACE
                MOV     R5,#1
                SHL     R5,R4
                CPL     R5
                AND     R5,[R3]
                MOV     [R3],R5
                ADD     R4,#1
                SUB     R2,#1
                JMPR    cc_NZ,ClearBit
                JMPR    cc_UC,RepeatClear

ClearFar:       EXTS    R9,#1
                MOV     R3,[R8+]
RepClearFar:
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                EXTP    R4,#1
                MOVB    [R3],RL5
                ADD     R3,#1
                ADDC    R4,#0
                OR      R3,#0C000H
                SUB     R2,#1
                JMPR    cc_NN,RepClearFar
                JMPR    cc_UC,RepeatClear

ClearNear:
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOVB    [R4],RL5
                ADD     R4,#1
                SUB     R2,#1
                JMPR    cc_NN,ClearNear
                JMPR    cc_UC,RepeatClear
$ENDIF

EndClear:

$ENDIF

;------------------------------------------------------------------------------
;
;  The following code is necessary, if the application program contains
;  initialized variables at file level.
;

$IF (INIT_VARS = 1) ; *********************************************************

                EXTRN   ?C_INITSECSTART : WORD
Init_Vars:
$IF TINY ; ********************************************************************
                MOV     R8,#?C_INITSECSTART
RepeatInit:     
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOV     R2,[R8+]
                JMPR    cc_Z,EndInit
                JBC     R2.15,InitBit
                MOV     R4,R2
                AND     R2,#3FFFH
                JMPR    cc_NZ,LenLoad
                MOV     R4,#0
                MOV     R2,[R8+]
LenLoad:        MOV     R3,[R8+]
CopyInitVal:    MOVB    [R3],[R8+]
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                ADD     R3,#1
                SUB     R2,#1
                JMPR    cc_NZ,CopyInitVal
                JNB     R8.0,RepeatInit
                ADD     R8,#1
                JMPR    cc_UC,RepeatInit

InitBit:        MOVBZ   R3,RL2
                SHL     R3,#1
                OR      R3,#0FD00H              ; START OF BIT SPACE
                MOV     R4,#1
                MOVB    RL5,RH2
                SHL     R4,R5                   ; CALCULATE BIT MASK
                JB      R2.7,SetBit
                CPL     R4                      ; CLEAR BIT
                AND     R4,[R3]
                JMPR    cc_UC,StoreBit
SetBit:         OR      R4,[R3]                 ; SET BIT
StoreBit:       MOV     [R3],R4
                JMPR    cc_UC,RepeatInit

EndInit:

$ELSE ; $IF TINY **************************************************************
                MOV     R9,#SEG (?C_INITSECSTART)
                MOV     R8,#SOF (?C_INITSECSTART)
$IF (DPP3USE = 1) ; ***********************************************************
RepeatInit:     
$IF (WATCHDOG = 1)
                SRVWDT                          ; SERVICE WATCHDOG
$ENDIF
                MOV     DPP3,#3
                EXTS    R9,#1
                MOV     R2,[R8]
                JMPR    cc_Z,EndInit
                ADD     R8,#2
                ADDC    R9,#0
                JBC     R2.15,InitBit
                MOV     R4,R2
                AND     R2,#3FFFH
                JMPR    cc_NZ,LenLoad
                MOV     R4,#0
                EXTS    R9,#1
                MOV     R2,[R8]
                ADD     R8,#2
                ADDC    R9,#0
LenLoad:        EXTS    R9,#1
                MOV     R3,[R8]
                ADD     R8,#2
                ADDC    R9,#0
                JB      R4.14,CopyInitVal
                MOV     DPP3,R3
                EXTS    R9,#1
                MOV     R3,[R8]
                ADD     R8,#2
                ADDC    R9,#0
CopyInitVal:    EXTS    

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