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IDE: fix cylinders on headerless HDF. Fix completion CHS value.

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sorgelig
2021-07-06 23:57:28 +08:00
parent ebf0124c77
commit a1f94a0abc
1 changed files with 7 additions and 0 deletions
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7
ide.cpp
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@@ -187,6 +187,11 @@ static void ide_set_geometry(drive_t *drive, uint16_t sectors, uint16_t heads)
drive->spt = sectors ? sectors : 256;
uint32_t cylinders = drive->f->size / (drive->heads * drive->spt * 512);
if (drive->offset)
{
cylinders++;
drive->offset = drive->heads * drive->spt;
}
if (cylinders > 65535) cylinders = 65535;
//Maximum 137GB images are supported.
@@ -594,6 +599,8 @@ static uint32_t get_lba(ide_config *ide)
static void put_lba(ide_config *ide, uint32_t lba)
{
lba--;
dbg2_printf(" putLBA: %u\n", lba);
if (ide->regs.lba)
{
ide->regs.sector = lba;