汇编错误Illegal mnemonic specified，大家帮帮忙啊！谢谢
* _sum.asm SUM subroutine
* called by exp2a.c
* Input: Array pointer
* Output: Return sum result in T0
.global _sum

_sum

mov *AR0+,AC0 ;AC0 = x[1]
add *AR0+,AC0 ;AC0 = x[1]+x[2]
mov AC0,T0

ret ;Return T0
.end


ERROR! at line 9: [E0002] Illegal mnemonic specified
mov *AR0+,AC0 ;AC0 = x[1]

"AssembleProgram.asm", ERROR! at line 10: [E0002] Illegal mnemonic specified
add *AR0+,AC0 ;AC0 = x[1]+x[2]

"AssembleProgram.asm", ERROR! at line 11: [E0002] Illegal mnemonic specified
mov AC0,T0

"AssembleProgram.asm", ERROR! at EOF: [E0300] Symbol mov has already been
defined
4 Assembly Errors, No Assembly Warnings
这都是什错误啊！是有空格的事吗 ？

[解决办法]
确定编译器可以处理这种DSP汇编？