;Required Routines & Macros:
;---------------------------------------------------------------------------------------------
;MACROS:
;---------------------------------------------------------------------------------------------
DELAY macro Time ;Delay "Cycles" instruction cycles
if (Time==1)
nop
exitm
endif
if (Time==2)
goto $ + 1
exitm
endif
if (Time==3)
nop
goto $ + 1
exitm
endif
if (Time==4)
goto $ + 1
goto $ + 1
exitm
endif
if (Time==5)
goto $ + 1
goto $ + 1
nop
exitm
endif
if (Time==6)
goto $ + 1
goto $ + 1
goto $ + 1
exitm
endif
if (Time==7)
goto $ + 1
goto $ + 1
goto $ + 1
nop
exitm
endif
if (Time%4==0)
movlw (Time-4)/4
call Delay_Routine
exitm
endif
if (Time%4==1)
movlw (Time-5)/4
call Delay_Routine
nop
exitm
endif
if (Time%4==2)
movlw (Time-6)/4
call Delay_Routine
goto $ + 1
exitm
endif
if (Time%4==3)
movlw (Time-7)/4
call Delay_Routine
goto $ + 1
nop
exitm
endif
endm
;---------------------------------------------------------------------------------------------
; DELAY:
;--------------------------------------------------------------------------------------------- ;Delays 4w+4 cycles (including call,return, and movlw) (0=256)
Delay_Routine addlw -1 ;Precise delays used in I/O
btfss STATUS, Z
goto Delay_Routine
return |
楼主
标题置顶
标题高亮
