1 #include<stdio.h> 2 #include<assert.h> 3 4 int main() 5 { 6 int rt, rs, dsp; 7 int result; 8 9 /* msb = 10, lsb = 5 */ 10 dsp = 0x305; 11 rt = 0x12345678; 12 rs = 0x87654321; 13 result = 0x12345438; 14 __asm 15 ("wrdsp %2, 0x03\n\t" 16 "insv %0, %1\n\t" 17 : "+r"(rt) 18 : "r"(rs), "r"(dsp) 19 ); 20 assert(rt == result); 21 22 dsp = 0x1000; 23 rt = 0xF0F0F0F0; 24 rs = 0xA5A5A5A5; 25 result = 0xA5A5A5A5; 26 27 __asm 28 ("wrdsp %2\n\t" 29 "insv %0, %1\n\t" 30 : "+r"(rt) 31 : "r"(rs), "r"(dsp) 32 ); 33 assert(rt == result); 34 35 return 0; 36 } 37