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Annotation of 43BSDReno/sys/tahoealign/Acvtlb.c, revision 1.1.1.1

1.1       root        1: /*     Acvtlb.c        1.1     86/07/20        */
                      2: 
                      3: 
                      4: #include "../tahoealign/align.h"
                      5: cvtlb(infop)   process_info *infop;
                      6: /*
                      7: /*     Convert long to byte, checks overflow
                      8: /*
                      9: /****************************************/
                     10: {
                     11:        register long result;
                     12: 
                     13:        result = operand(infop,0)->data;
                     14:        if (result < 0 )  negative_1 ; else negative_0;
                     15:        if (result == 0 )  zero_1 ; else zero_0;
                     16:        carry_1; 
                     17:        if (result > 0x7f || result <= -0x80) overflow_1;
                     18:        else overflow_0;
                     19:        write_back (infop, result, operand(infop,1) );
                     20: }

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