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#include<stdio.h>
#include<assert.h>
int main()
{
int rt, ach, acl, dsp, pos, efi;
int result;
ach = 0x05;
acl = 0xB4CB;
dsp = 0x07;
result = 0x000C;
__asm
("wrdsp %1, 0x01\n\t"
"mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"extpdp %0, $ac1, 0x03\n\t"
"rddsp %1\n\t"
: "=r"(rt), "+r"(dsp)
: "r"(ach), "r"(acl)
);
pos = dsp & 0x3F;
efi = (dsp >> 14) & 0x01;
assert(pos == 3);
assert(efi == 0);
assert(result == rt);
ach = 0x05;
acl = 0xB4CB;
dsp = 0x01;
__asm
("wrdsp %1, 0x01\n\t"
"mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"extpdp %0, $ac1, 0x03\n\t"
"rddsp %1\n\t"
: "=r"(rt), "+r"(dsp)
: "r"(ach), "r"(acl)
);
efi = (dsp >> 14) & 0x01;
assert(efi == 1);
ach = 0;
acl = 0;
dsp = 0;
result = 0;
__asm
("wrdsp %1\n\t"
"mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"extpdp %0, $ac1, 0x00\n\t"
"rddsp %1\n\t"
: "=r"(rt), "+r"(dsp)
: "r"(ach), "r"(acl)
);
assert(dsp == 0x3F);
assert(result == rt);
return 0;
}
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