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iar程序仿真问题。



用的仿真器是自制的ezfet430,用这块板子仿真5438的器件可以正常仿真,但是仿真一块5529的开发板出现问题。程序可以被下载到5529中,如果断开仿真器并且重新上电,程序可以运行,但是用iar仿真时始终是停在:

return 0;
004432 430C clr.w R12
004434 0110 reta
_exit:
004436 0080 440C bra #0x440C
exit:
00443A 0080 4436 bra #0x4436
__DebugBreak:
00443E 0110 reta
004440 FFFF FFFF and.b @R15+,0xFFFF(R15)
004444 FFFF FFFF and.b @R15+,0xFFFF(R15)
004448 FFFF FFFF and.b @R15+,0xFFFF(R15)
00444C FFFF FFFF and.b @R15+,0xFFFF(R15)
004450 FFFF FFFF and.b @R15+,0xFFFF(R15)
004454 FFFF FFFF and.b @R15+,0xFFFF(R15)
004458 FFFF FFFF and.b @R15+,0xFFFF(R15)
00445C FFFF FFFF and.b @R15+,0xFFFF(R15)
004460 FFFF FFFF and.b @R15+,0xFFFF(R15)
004464 FFFF FFFF and.b @R15+,0xFFFF(R15)

004440的这个地方。请问这是怎么问题。?5529开发板画的有问题还是。?