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