[Icc-mot] ICC12 Advanced V7.03 bug

[willard.a.hall at gm.com]

Thanks for the suggestion Edward, I tried changing to an unsigned 16, but
the compiler still does a "jsr asr16"
Bill



                                                                           
             "Edward Karpicz"                                              
             <ekarpicz at freemai                                             
             l.lt>                                                      To 
             Sent by:                  "Discussion List for ICC08/11/12/16 
             icc-mot-bounces at i         users. You do NOT need tosubscribe  
             magecraft.com             toicc-announce if you are a member  
                                       of this." <icc-mot at imagecraft.com>  
                                                                        cc 
             04/07/2008 01:03                                              
             PM                                                    Subject 
                                       Re: [Icc-mot] ICC12 Advanced V7.03  
                                       bug                                 
             Please respond to                                             
             "Discussion List                                              
                    for                                                    
              ICC08/11/12/16                                               
             users. You do NOT                                             
                  need to                                                  
               subscribe to                                                
              icc-announce if                                              
             you are a member                                              
                 of this."                                                 
             <icc-mot at imagecra                                             
                  ft.com>                                                  
                                                                           
                                                                           






>
>
> The code shown needs to do a logical shift right to give me id = 0x0581
> The compiler uses an arithmatic shift which wraps the sign bit to give me
> id = 0xFD81
>
> CANRIDR0 = 0xB0   CANRIDR1 = 0x20
>
>
> 06B9           ;     id    = ((((I16)(CANRIDR0 << 8)) |
((I16)(CANRIDR1)))
>>> 5);



What's I16? Is it signed? Replace I16 with U16 and I guess you'll get
desired result.

Edward




> 06B9 F60161            ldab 0x161
> 06BC 87                clra
> 06BD B746              tfr D,Y
> 06BF C7                clrb
> 06C0 B60160            ldaa 0x160
> 06C3 6D80              sty 0,S
> 06C5 AA80              ora 0,S
> 06C7 EA81              orb 1,S
> 06C9 B746              tfr D,Y
> 06CB CE0005            ldx #5
> 06CE B764              tfr Y,D
> 06D0 160000            jsr asr16
> 06D3 B746              tfr D,Y
> 06D5 6D83              sty 3,S
> 06D7                   .dbline 269
>
> _______________________________________________
> Icc-mot mailing list
> Icc-mot at imagecraft.com
> http://dragonsgate.net/mailman/listinfo/icc-mot
>

_______________________________________________
Icc-mot mailing list
Icc-mot at imagecraft.com
http://dragonsgate.net/mailman/listinfo/icc-mot