?? st7lc_f.a66
字號:
BCON4 SET BCON4 OR (_ALECTL4 << 9) OR (_BUSACT4 << 10)
BCON4 SET BCON4 OR (_RDYEN4 << 12) OR (_CSREN4 << 14)
BCON4 SET BCON4 OR (_CSWEN4 << 15)
%ADDR (ADDR4,%ADDRESS4,%RANGE4)
MOV ADDRSEL4,#ADDR4
MOV BUSCON4,#BCON4
$ENDIF
$IF (STK_SIZE = 7)
MOV STKUN,#0FFFEH ; AVOID STKUN TRAP
MOV STKOV,#0H ; AVOID STKOV TRAP
MOV SP,#DPP3:_TOS ; INITIALIZE STACK POINTER
MOV STKUN,#DPP3:_TOS ; INITIALIZE STACK UNFL REGISTER
MOV STKOV,#DPP3:(_BOS+6*2) ; INITIALIZE STACK OVFL REGISTER
$ELSE
MOV STKOV,#(_BOS+6*2) ; INITIALIZE STACK OVFL REGISTER
$ENDIF
$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
$ENDIF
MOV CP,#?C_MAINREGISTERS
EINIT
;$IF NOT TINY
; MOV R0,#DPP2:?C_USERSTKTOP
;$ELSE
MOV R0,#?C_USERSTKTOP
;$ENDIF
;------------------------------------------------------------------------------
;
; 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 R9,#1
MOVB RL5,[R8]
ADD R8,#1
ADDC R9,#0
MOVB [R3],RL5
ADD R3,#1
JB R4.14,NoDPP3Adj
JB R3.14,NoDPP3Adj
ADD DPP3,#1
OR R3,#0C000H ; SET DPP3 Bits
NoDPP3Adj:
$IF (WATCHDOG = 1)
SRVWDT ; SERVICE WATCHDOG
$ENDIF
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
$ELSE ; block IF (DPP3USE = 1) ************************************************
RepeatInit:
$IF (WATCHDOG = 1)
SRVWDT ; SERVICE WATCHDOG
$ENDIF
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,CopyNearVal
MOV R6,R3
EXTS R9,#1
MOV R3,[R8]
ADD R8,#2
ADDC R9,#0
CopyInitVal: OR R6,#0C000H
EXTP R6,#1
MOV [R3],RL5
ADD R3,#1
ADDC R6,#0
$IF (WATCHDOG = 1)
SRVWDT ; SERVICE WATCHDOG
$ENDIF
SUB R2,#1
JMPR cc_NZ,CopyInitVal
JMPR cc_UC,CopyInitDone
CopyNearVal: EXTS R9,#1
MOVB RL5,[R8]
ADD R8,#1
ADDC R9,#0
MOVB [R3],RL5
ADD R3,#1
$IF (WATCHDOG = 1)
SRVWDT ; SERVICE WATCHDOG
$ENDIF
SUB R2,#1
JMPR cc_NZ,CopyNearVal
CopyInitDone: 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
$ENDIF ; close block IF (DPP3USE = 1) ****************************************
EndInit:
$ENDIF ; close block $IF TINY ************************************************
$ENDIF ; close $IF (INIT_VARS = 1) *******************************************
;------------------------------------------------------------------------------
$IF TINY
JMP main
$ELSE
JMP FAR main
$ENDIF
?C_RESET ENDP
?C_STARTUP_CODE ENDS
$IF (INIT_VARS = 1)
EXTERN ?C_ENDINIT:WORD
$ENDIF
END
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