| #include "io.h" |
| |
| int main(void) |
| { |
| long long rt, ach, acl, dsp, pos, efi; |
| long long 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; |
| if ((pos != 3) || (efi != 0) || (result != rt)) { |
| printf("extpdp wrong\n"); |
| |
| return -1; |
| } |
| |
| 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; |
| if (efi != 1) { |
| printf("extpdp wrong\n"); |
| |
| return -1; |
| } |
| |
| return 0; |
| } |