blob: 2f30285033242aacbb43afc71a7575b2cfaaaa97 [file] [log] [blame]
#include<stdio.h>
#include<assert.h>
int main()
{
int dsp_i, dsp_o;
int ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i;
int ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o;
ccond_i = 0x0000000C; /* 4 */
outflag_i = 0x0000001B; /* 3 */
efi_i = 0x00000001; /* 5 */
c_i = 0x00000001; /* 2 */
scount_i = 0x0000000F; /* 1 */
pos_i = 0x0000000C; /* 0 */
dsp_i = (ccond_i << 24) | \
(outflag_i << 16) | \
(efi_i << 14) | \
(c_i << 13) | \
(scount_i << 7) | \
pos_i;
__asm
("wrdsp %1, 0x3F\n\t"
"rddsp %0, 0x3F\n\t"
: "=r"(dsp_o)
: "r"(dsp_i)
);
ccond_o = (dsp_o >> 24) & 0xFF;
outflag_o = (dsp_o >> 16) & 0xFF;
efi_o = (dsp_o >> 14) & 0x01;
c_o = (dsp_o >> 14) & 0x01;
scount_o = (dsp_o >> 7) & 0x3F;
pos_o = dsp_o & 0x1F;
assert(ccond_o == ccond_i);
assert(outflag_o == outflag_i);
assert(efi_o == efi_i);
assert(c_o == c_i);
assert(scount_o == scount_i);
assert(pos_o == pos_i);
return 0;
}