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Yourtion
2016-05-13 10:32:51 +08:00
parent 907b8c61ce
commit d84bab78e1
5 changed files with 82 additions and 1 deletions
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12
24_day/console.c
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@@ -429,6 +429,18 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
timer_settime((struct TIMER *) ebx, eax);
} else if (edx == 19) {
timer_free((struct TIMER *) ebx);
} else if (edx == 20) {
if (eax == 0) {
i = io_in8(0x61);
io_out8(0x61, i & 0x0d);
} else {
i = 1193180000 / eax;
io_out8(0x43, 0xb6);
io_out8(0x42, i & 0xff);
io_out8(0x42, i >> 8);
i = io_in8(0x61);
io_out8(0x61, (i | 0x03) & 0x0f);
}
}
return 0;
}