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IDE DMA: Properly handle partial transfers, fixes ATAPI DMA in Windows 98 SE.

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OBattler
2025-03-17 20:58:15 +01:00
parent 8fd299f2d7
commit 556c74c159
6 changed files with 30 additions and 19 deletions
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8
src/disk/hdc_ide_cmd646.c
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@@ -95,19 +95,19 @@ cmd646_set_irq_1(uint8_t status, void *priv)
}
static int
cmd646_bus_master_dma_0(uint8_t *data, int transfer_length, int out, void *priv)
cmd646_bus_master_dma_0(uint8_t *data, int transfer_length, int total_length, int out, void *priv)
{
const cmd646_t *dev = (cmd646_t *) priv;
return sff_bus_master_dma(data, transfer_length, out, dev->bm[0]);
return sff_bus_master_dma(data, transfer_length, total_length, out, dev->bm[0]);
}
static int
cmd646_bus_master_dma_1(uint8_t *data, int transfer_length, int out, void *priv)
cmd646_bus_master_dma_1(uint8_t *data, int transfer_length, int total_length, int out, void *priv)
{
const cmd646_t *dev = (cmd646_t *) priv;
return sff_bus_master_dma(data, transfer_length, out, dev->bm[1]);
return sff_bus_master_dma(data, transfer_length, total_length, out, dev->bm[1]);
}
static void