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SLAS191A 数据表(PDF) 23 Page - Texas Instruments |
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SLAS191A 数据表(HTML) 23 Page - Texas Instruments |
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23 / 86 page ![]() 1–17 MSP430 Macro Assembler Version 1.08 [09/96] Tue Jun 30 07:20:38 1998 Copyright (C) 1995, 1996 Texas Instruments Incorporated c:\adt430\stk\examples\gs_stk1.asm Page 1 1;*************************************************************************** 2;Getting Started 1 Demo Program (C) TEXAS INSTRUMENTS on 2/96 3;*************************************************************************** 4 5;*** Set this variable to ’1’ for the use on the Simulator*** 6 00 SIM .set 0 ; 1 = Simulator 7 ; 0 = STK/EVK 8 0240 RAM_orig .set 00240h ; Free Memory startadress 9 03de SP_orig .set 003DEh ; stackpointer 10 11 ;––– Control register definitions 12 13 00 IE1 .equ 0h 14 01 IE2 .equ 01h 15 02 IFG1 .equ 02h 16 03 IFG2 .equ 03h 17 04 ME1 .equ 04h 18 05 ME2 .equ 05h 19 20 0120 WDTCTL .equ 0120h 21 80 WDTHold .equ 80h 22 5a00 WDT_wrkey .equ 05A00h 23 24 08 GIE .equ 08h 25 26;************************************************************************** 27; ; Reset : Initialize processor 28;************************************************************************** 29 0240 .sect “MAIN” ,RAM_orig 30 0240 RESET 31 0240 403103de MOV #SP_orig,SP ; initialize stackpointer 32 0244 40b25a800120 MOV # (WDTHold+WDT_wrkey) , &WDTCTL ; Stop Watchdog Timer 33 34 ;––– Clear Special Function Registers 35 024a 42f20000 MOV.B #08h,IE1 ; ! Monitor ! 36 024e 43c20001 CLR.B IE2 37 0252 43c20002 CLR.B IFG1 38 0256 43c20003 CLR.B IFG2 39 40 025a +3fff JMP $ ; Endless Loop No Errors, No Warnings gs_stk1.lst Figure 1–14. gs_stk1.asm |
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