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emulator drive

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This commit is contained in:
Speedy_Lex
2025-07-02 01:15:36 +02:00
parent 0961fc0ceb
commit 20fecebb90
3 changed files with 96 additions and 2 deletions
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15
src/components/drive.c
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@@ -60,10 +60,20 @@ void nn_drive_writeSector(nn_drive *drive, void *_, nn_component *component, nn_
int sector = nn_toInt(sectorValue);
size_t sector_size = drive->getSectorSize(component, drive->userdata);
nn_value bufValue = nn_getArgument(computer, 1);
const char *buf = nn_toString(bufValue, &sector_size);
drive->writeSector(component, drive->userdata, sector, buf);
size_t buf_size = 0;
const char *buf = nn_toString(bufValue, &buf_size);
if (buf_size < sector_size) {
char padded[sector_size];
memset(padded, 0, sector_size);
memcpy(padded, buf, buf_size);
drive->writeSector(component, drive->userdata, sector, padded);
} else {
drive->writeSector(component, drive->userdata, sector, buf);
}
}
void nn_drive_readByte(nn_drive *drive, void *_, nn_component *component, nn_computer *computer) {
// TODO: calculate the right index aaaaargh
nn_value offsetValue = nn_getArgument(computer, 0);
size_t disk_offset = nn_toInt(offsetValue);
size_t sector_size = drive->getSectorSize(component, drive->userdata);
@@ -76,6 +86,7 @@ void nn_drive_readByte(nn_drive *drive, void *_, nn_component *component, nn_com
nn_return(computer, nn_values_integer(buf[sector_offset]));
}
void nn_drive_writeByte(nn_drive *drive, void *_, nn_component *component, nn_computer *computer) {
// TODO: calculate the right index aaaaargh
nn_value offsetValue = nn_getArgument(computer, 0);
nn_value writeValue = nn_getArgument(computer, 1);
size_t disk_offset = nn_toInt(offsetValue);