| Re: FFT routines Kategorie: Programmierung Assembler (von PepeV - 28.02.2013 15:41) | ||
| Als Antwort auf Re: FFT routines von PeterS - 28.02.2013 14:46 | ||
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> > Peter: can you explain why interrupts mess up my routines? Is it that interrupts > > trigger actions that change registers while my routines are running? Is it the Y- > > register? > > Hello Pepe, > > you are right. I just had forgotten that the Y-Register should better not be changed, > because it is normally used as Data Stackpointer. The interrupt routines are using it > to save the contents of registers. > > Regards, > > Peter > Hi Peter, There is a remark about the use of the Y-register in the English manual ('do not use it') but I was uncertain wether that also holds when the register is saved with push and pop. The FFT-routines use a lot of (pointer) variables so I can hardly do without the Y-register. But what is the effect on the program flow when I disable global interrupts? Will that do any damage? Are there any side effects? Regards, Pepe | ||
Antwort schreiben Antworten:  Re: FFT routines (von PeterS - 28.02.2013 17:28)Re: FFT routines (von PepeV - 28.02.2013 21:26) | ||
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