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Update kernel.c #10

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Update kernel.c #10

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19 changes: 17 additions & 2 deletions src/kernel.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,5 +71,20 @@ void readSector(byte* buf, int sector) {
);
}

// TODO: 1. Implement writeSector function
void writeSector(byte* buf, int sector) {}
// Implement writeSector function
void writeSector(byte* buf, int sector) {
int ah = 0x03; // write sector service number
int al = 0x01; // number of sectors to write
int ch = div(sector, 36); // cylinder number
int cl = mod(sector, 18) + 1; // sector number
int dh = mod(div(sector, 18), 2); // head number
int dl = 0x00; // drive number

interrupt(
0x13,
ah << 8 | al,
buf,
ch << 8 | cl,
dh << 8 | dl
);
}