1*073d9f2cSAleksandar Markovic #include<stdio.h>
2*073d9f2cSAleksandar Markovic #include<assert.h>
3*073d9f2cSAleksandar Markovic
main()4*073d9f2cSAleksandar Markovic int main()
5*073d9f2cSAleksandar Markovic {
6*073d9f2cSAleksandar Markovic int dsp_i, dsp_o;
7*073d9f2cSAleksandar Markovic int ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i;
8*073d9f2cSAleksandar Markovic int ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o;
9*073d9f2cSAleksandar Markovic
10*073d9f2cSAleksandar Markovic ccond_i = 0x000000BC; /* 4 */
11*073d9f2cSAleksandar Markovic outflag_i = 0x0000001B; /* 3 */
12*073d9f2cSAleksandar Markovic efi_i = 0x00000001; /* 5 */
13*073d9f2cSAleksandar Markovic c_i = 0x00000001; /* 2 */
14*073d9f2cSAleksandar Markovic scount_i = 0x0000000F; /* 1 */
15*073d9f2cSAleksandar Markovic pos_i = 0x0000000C; /* 0 */
16*073d9f2cSAleksandar Markovic
17*073d9f2cSAleksandar Markovic dsp_i = (ccond_i << 24) | \
18*073d9f2cSAleksandar Markovic (outflag_i << 16) | \
19*073d9f2cSAleksandar Markovic (efi_i << 14) | \
20*073d9f2cSAleksandar Markovic (c_i << 13) | \
21*073d9f2cSAleksandar Markovic (scount_i << 7) | \
22*073d9f2cSAleksandar Markovic pos_i;
23*073d9f2cSAleksandar Markovic
24*073d9f2cSAleksandar Markovic __asm
25*073d9f2cSAleksandar Markovic ("wrdsp %1, 0x3F\n\t"
26*073d9f2cSAleksandar Markovic "rddsp %0, 0x3F\n\t"
27*073d9f2cSAleksandar Markovic : "=r"(dsp_o)
28*073d9f2cSAleksandar Markovic : "r"(dsp_i)
29*073d9f2cSAleksandar Markovic );
30*073d9f2cSAleksandar Markovic
31*073d9f2cSAleksandar Markovic ccond_o = (dsp_o >> 24) & 0xFF;
32*073d9f2cSAleksandar Markovic outflag_o = (dsp_o >> 16) & 0xFF;
33*073d9f2cSAleksandar Markovic efi_o = (dsp_o >> 14) & 0x01;
34*073d9f2cSAleksandar Markovic c_o = (dsp_o >> 14) & 0x01;
35*073d9f2cSAleksandar Markovic scount_o = (dsp_o >> 7) & 0x3F;
36*073d9f2cSAleksandar Markovic pos_o = dsp_o & 0x1F;
37*073d9f2cSAleksandar Markovic
38*073d9f2cSAleksandar Markovic assert(ccond_o == (ccond_i & 0x0F));
39*073d9f2cSAleksandar Markovic assert(outflag_o == outflag_i);
40*073d9f2cSAleksandar Markovic assert(efi_o == efi_i);
41*073d9f2cSAleksandar Markovic assert(c_o == c_i);
42*073d9f2cSAleksandar Markovic assert(scount_o == scount_i);
43*073d9f2cSAleksandar Markovic assert(pos_o == pos_i);
44*073d9f2cSAleksandar Markovic
45*073d9f2cSAleksandar Markovic return 0;
46*073d9f2cSAleksandar Markovic }
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