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Re: DSP wierdness
Posted by: mikro Dec,27.2013-13:28 

This must be a bug in Hatari.

End of Loop:
SSL(LF)->SR;SP-1->SP
SSH->LA;SSL->LC;SP-1->SP

so no MR here. And then:

The following instructions cannot begin at the indicated position(s)
near the end of a DO loop:

At LA-2, LA-1, and LA
DO
MOVEC from SSH
MOVEM from SSH
MOVEP from SSH
MOVEC to LA, LC, SR, SP, SSH, or SSL
MOVEM to LA, LC, SR, SP, SSH, or SSL
MOVEP to LA, LC, SR, SP, SSH, or SSL
ANDI MR
ORI MR
Two word instructions which read LC, SP, or SSL

So you don't do anything bad either.







[All messages in this thread]    [Start new thread]

Topic Posted by  Date 
DSP wierdness Thomas / New Beat Dec,26.2013-22:09
  Re: DSP wierdness stghost Dec,27.2013-09:44
    Re: DSP wierdness Thomas / New Beat Dec,27.2013-10:32
  Re: DSP wierdness mikro Dec,27.2013-13:28
  Re: DSP wierdness Laurent / Thadoss Dec,28.2013-00:09
    Re: DSP wierdness Laurent / Thadoss Dec,28.2013-00:12
      Re: DSP wierdness Laurent / Thadoss Dec,28.2013-00:21
        Re: DSP wierdness Thomas / New Beat Dec,28.2013-10:07
          Re: DSP wierdness Laurent / Thadoss Dec,28.2013-17:15
            Re: DSP wierdness Thomas / New Beat Dec,28.2013-19:58
              Re: DSP wierdness Laurent / Thadoss Dec,28.2013-23:12
                Re: DSP wierdness Mr.Styckx Dec,30.2013-00:45
                  Re: DSP wierdness Laurent / Thadoss Dec,30.2013-01:27
                    Re: DSP wierdness Thomas / New Beat Dec,30.2013-09:05
                      Re: DSP wierdness FDR1980 Jan,05.2014-01:34
                        Re: DSP wierdness Thomas / New Beat Jan,08.2014-15:19


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