;-------------------------------------------------------------------------------
; int SetRTCYEAR(int year)
; year will be set in the RTCYEAR register
; return value is read back from the RTCYEAR register
; Works only in calendar mode (RTCMODE = 1)
; argument year is in R12
; return value is in R12
ORG 0x5C00
nop
ALIGN 5
SetRTCYEAR nop
nop
nop
nop
dint
nop
nop
nop
mov.w R12,&RTCYEAR ; Set RTCYEAR to year
nop
nop
mov.w &RTCYEAR,R12 ; Return value
eint
reta
;-------------------------------------------------------------------------------
; int SetRTCMON(int month)
; month will be set in the RTCMON register
; Workaround requires to write 16 bits into RTCDATE
; return value is read back from the RTCMON register
; argument month is in R12
; return value is in R12
SetRTCMON push.w R5 ; push R5
mov.b &RTCDAY, R5 ; read RTCDAY into R5
swpb R12 ; R12 holds month - swap lower and upper byte
bis.w R12, R5 ; combine read RTCDAY and new RTCMON
dint
nop
mov.w R5,&RTCDATE ; write to RTCDATE
nop
nop
nop
nop
eint
mov.b &RTCMON,R12 ; Read RTCMON register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; int SetRTCDAY(int day)
; day will be set in the RTCDAY register
; Workaround requires to write 16 bits into RTCDATE
; return value is read back from the RTCDAY register
; argument day is in R12
; return value is in R12
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
SetRTCDAY ; R12 holds day in lower byte
push.w R5 ; push R5
mov.b &RTCMON, R5 ; read RTCMON into lower byte of R5
swpb R5 ; month is now in higher byte of R5
bic.w #00FFh, R5 ; clear lower byte of R5
bis.w R12, R5 ; combine read RTCDAY and new RTCMON
dint
nop
mov.w R5, &RTCDATE ; write to RTCDATE
nop
eint
mov.b &RTCDAY, R12 ; Read RTCDAY register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; int SetRTCDOW(int dow)
; dow will be set in the RTCDOW register
; Workaround requires to write 16 bits into RTCTIM1
; return value is read back from the RTCDOW register
; argument dow is in R12
; return value is in R12
SetRTCDOW push.w R5 ; push R5
mov.b &RTCHOUR, R5 ; read RTCHOUR into R5
swpb R12 ; R12 holds dow - swap lower and upper byte
bis.w R12, R5 ; combine read RTCHOUR and new RTCDOW
dint
nop
mov.w R5,&RTCTIM1 ; write to RTCTIM1
nop
eint
mov.b &RTCDOW, R12 ; Read RTCDOW register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; int SetRTCHOUR(int hour)
; hour will be set in the RTCHOUR register
; Workaround requires to write 16 bits into RTCTIM1
; return value is read back from the RTCHOUR register
; argument hour is in R12
; return value is in R12
SetRTCHOUR ; R12 holds day in lower byte
push.w R5 ; push R5
mov.b &RTCDOW,R5 ; read RTCDOW into lower byte of R5
swpb R5 ; dow is now in higher byte of R5
bis.w R12, R5 ; combine read RTCDOW and new RTCHOUR
dint
nop
nop
mov.w R5,&RTCTIM1 ; write to RTCTIM1
nop
eint
mov.b &RTCHOUR, R12 ; Read RTCHOUR register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; int SetRTCMIN(int min)
; min will be set in the RTCMIN register
; Workaround requires to write 16 bits into RTCTIM0
; return value is read back from the RTCDOW register
; argument min is in R12
; return value is in R12
SetRTCMIN push.w R5 ; push R5
mov.b &RTCSEC, R5 ; read RTCSEC into R5
swpb R12 ; R12 holds min - swap lower and upper byte
bis.w R12, R5 ; combine read RTCMIN and new RTCSEC
dint
nop
mov.w R5,&RTCTIM0 ; write to RTCTIM0
nop
eint
mov.b &RTCMIN, R12 ; Read RTCDOW register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; int SetRTCSEC(int sec)
; sec will be set in the RTCSEC register
; Workaround requires to write 16 bits into RTCTIM0
; return value is read back from the RTCSEC register
; argument sec is in R12
; return value is in R12
SetRTCSEC ; R12 holds day in lower byte
push.w R5 ; push R5
mov.b &RTCMIN, R5 ; read RTCMIN into lower byte of R5
swpb R5 ; min is now in higher byte of R5
bis.w R12, R5 ; combine read RTCMIN and new RTCSEC
dint
nop
nop ; WG:
mov.w R5,&RTCTIM0 ; write to RTCTIM0
nop
eint
mov.b &RTCSEC, R12 ; Read RTCSEC register
pop.w R5 ; pop R5
reta
;-------------------------------------------------------------------------------
; Read the RTC registers RTCTIM0
; return the values
GetRTCTIM0
mov.w &RTCTIM0,R12
reta
; Read the RTC register RTCTIM1
; return the values
GetRTCTIM1
mov.w &RTCTIM1,R12
reta
; Read the RTC register RTCDATE
; return the values
GetRTCDATE
mov.w &RTCDATE,R12
reta
; Read the RTC registers RTCYEAR
; return the values
GetRTCYEAR
mov.w &RTCYEAR,R12
reta
; Read the RTC register RTCMON
; return the values
GetRTCMON
mov.b &RTCMON,R12
reta
; Read the RTC register RTCDOW
; return the values
GetRTCDOW
mov.b &RTCDOW,R12
reta
; Read the RTC register RTCDOW
; return the values
GetRTCDAY
mov.b &RTCDAY,R12
reta
; Read the RTC register RTCDOW
; return the values
GetRTCHOUR
mov.b &RTCHOUR,R12
reta
; Read the RTC register RTCDOW
; return the values
GetRTCMIN
mov.b &RTCMIN,R12
reta
; Read the RTC register RTCDOW
; return the values
GetRTCSEC
mov.b &RTCSEC,R12
reta
end
汇编是和MCU相关的，不同的MCU汇编指令不太一样，所以楼主应该把MCU型号和汇编指令表贴出来才会有高人帮你吧
就指令看，感觉不是430的汇编，reta什么的430的汇编里面没有
汇编是和MCU相关的，不同的MCU汇编指令不太一样，所以楼主应该把MCU型号和汇编指令表贴出来才会有高人帮你吧
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