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ATAPI DMA now tells the bus master the correct length to transfer;

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ATAPI DMA now transfers all blocks at once.
This commit is contained in:
OBattler
2017-02-08 18:42:20 +01:00
parent 49278204d4
commit adf9c28e61
4 changed files with 35 additions and 8 deletions
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10
src/ide.c
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@@ -206,10 +206,11 @@ void ide_irq_raise(IDE *ide)
{
if ((ide->board > 3) || ide->irqstat)
{
// ide_log("Not raising IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
return;
}
// ide_log("Raising IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
ide_log("Raising IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
if (!(ide->fdisk&2))
{
@@ -234,10 +235,11 @@ void ide_irq_lower(IDE *ide)
{
if ((ide->board > 3) || !(ide->irqstat))
{
// ide_log("Not lowering IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
return;
}
// ide_log("Lowering IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
ide_log("Lowering IRQ %i (board %i)\n", ide_irq[ide->board], ide->board);
picintc(1 << ide_irq[ide->board]);
ide->irqstat=0;
@@ -1393,7 +1395,7 @@ uint8_t readide(int ide_board, uint16_t addr)
case 0x1F0: /* Data */
// temp = ide_read_data(ide_board, 1);
tempw = readidew(ide_board);
// pclog("Read IDEW %04X\n", tempw);
// ide_log("Read IDEW %04X\n", tempw);
temp = tempw & 0xff;
break;
@@ -1549,7 +1551,7 @@ uint16_t readidew(int ide_board)
uint32_t readidel(int ide_board)
{
uint16_t temp;
// pclog("Read IDEl %i\n", ide_board);
// ide_log("Read IDEl %i\n", ide_board);
temp = readidew(ide_board);
return temp | (readidew(ide_board) << 16);
}