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#include<stdio.h>
#include<assert.h>
int main()
{
int rd, rs, rt;
int dspi, dspo;
int result;
rs = 0x10FF01FF;
rt = 0x10010001;
dspi = 0x00002000;
result = 0x21000201;
__asm
("wrdsp %3\n"
"addwc %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt), "r"(dspi)
);
assert(rd == result);
rs = 0xFFFF1111;
rt = 0x00020001;
dspi = 0x00;
result = 0x00011112;
__asm
("wrdsp %3\n"
"addwc %0, %1, %2\n\t"
: "=r"(rd)
: "r"(rs), "r"(rt), "r"(dspi)
);
assert(rd == result);
rs = 0x8FFF1111;
rt = 0x80020001;
dspi = 0x00;
result = 0x10011112;
__asm
("wrdsp %4\n"
"addwc %0, %2, %3\n\t"
"rddsp %1\n\t"
: "=r"(rd), "=r"(dspo)
: "r"(rs), "r"(rt), "r"(dspi)
);
assert(rd == result);
assert(((dspo >> 20) & 0x01) == 1);
return 0;
}
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