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Fixed PIIX code broken in rev 385.

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This commit is contained in:
TomW 2015-11-07 12:13:07 +00:00
commit 4464ef0afc
1 changed files with 2 additions and 2 deletions
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4
src/piix.c
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@ -217,7 +217,7 @@ int piix_bus_master_sector_read(int channel, uint8_t *data)
// pclog("Transferring larger - %i bytes\n", 512 - transferred); // pclog("Transferring larger - %i bytes\n", 512 - transferred);
if (piix_busmaster[channel].addr < (mem_size * 1024 * 1024)) if (piix_busmaster[channel].addr < (mem_size * 1024 * 1024))
{ {
int count = 512; int count = 512 - transferred;
if ((piix_busmaster[channel].addr + count) > (mem_size * 1024 * 1024)) if ((piix_busmaster[channel].addr + count) > (mem_size * 1024 * 1024))
count = (mem_size * 1024 * 1024) - piix_busmaster[channel].addr; count = (mem_size * 1024 * 1024) - piix_busmaster[channel].addr;
memcpy(&ram[piix_busmaster[channel].addr], data + transferred, count); memcpy(&ram[piix_busmaster[channel].addr], data + transferred, count);
@ -274,7 +274,7 @@ int piix_bus_master_sector_write(int channel, uint8_t *data)
// pclog("Transferring larger - %i bytes\n", 512 - transferred); // pclog("Transferring larger - %i bytes\n", 512 - transferred);
if (piix_busmaster[channel].addr < (mem_size * 1024 * 1024)) if (piix_busmaster[channel].addr < (mem_size * 1024 * 1024))
{ {
int count = 512; int count = 512 - transferred;
if ((piix_busmaster[channel].addr + count) > (mem_size * 1024 * 1024)) if ((piix_busmaster[channel].addr + count) > (mem_size * 1024 * 1024))
count = (mem_size * 1024 * 1024) - piix_busmaster[channel].addr; count = (mem_size * 1024 * 1024) - piix_busmaster[channel].addr;
memcpy(data + transferred, &ram[piix_busmaster[channel].addr], count); memcpy(data + transferred, &ram[piix_busmaster[channel].addr], count);