static void continue_read(struct ide_state *ide)
{
/* reset the totals */
ide->buffer_offset = 0;
/* clear the buffer ready flag */
ide->status &= ~IDE_STATUS_BUFFER_READY;
if (ide->master_password_enable || ide->user_password_enable)
{
security_error(ide);
ide->sector_count = 0;
ide->bus_master_status &= ~IDE_BUSMASTER_STATUS_ACTIVE;
ide->dma_active = 0;
return;
}
/* if there is more data to read, keep going */
if (ide->sector_count > 0)
ide->sector_count--;
if (ide->sector_count > 0)
read_next_sector(ide);
else
{
ide->bus_master_status &= ~IDE_BUSMASTER_STATUS_ACTIVE;
ide->dma_active = 0;
}
}
void ide_controller_device::read_buffer_empty()
{
/* reset the totals */
buffer_offset = 0;
/* clear the buffer ready and busy flag */
status &= ~IDE_STATUS_BUFFER_READY;
status &= ~IDE_STATUS_BUSY;
error = IDE_ERROR_DEFAULT;
set_dmarq(0);
if (master_password_enable || user_password_enable)
{
security_error();
sector_count = 0;
return;
}
/* if there is more data to read, keep going */
if (sector_count > 0)
sector_count--;
if (sector_count > 0)
read_next_sector();
}
static void ide_controller_write(struct ide_state *ide, offs_t offset, int size, UINT32 data)
{
/* logit */
if (offset != IDE_ADDR_DATA)
LOG(("%08X:IDE write to %03X = %08X, size=%d\n", activecpu_get_previouspc(), offset, data, size));
switch (offset)
{
/* unknown config register */
case IDE_ADDR_CONFIG_UNK:
ide->config_unknown = data;
break;
/* active config register */
case IDE_ADDR_CONFIG_REGISTER:
ide->config_register_num = data;
break;
/* data from active config register */
case IDE_ADDR_CONFIG_DATA:
if (ide->config_register_num < IDE_CONFIG_REGISTERS)
ide->config_register[ide->config_register_num] = data;
break;
/* write data */
case IDE_ADDR_DATA:
if (ide->status & IDE_STATUS_BUFFER_READY)
{
/* store the correct amount of data */
ide->buffer[ide->buffer_offset++] = data;
if (size > 1)
ide->buffer[ide->buffer_offset++] = data >> 8;
if (size > 2)
{
ide->buffer[ide->buffer_offset++] = data >> 16;
ide->buffer[ide->buffer_offset++] = data >> 24;
}
/* if we're at the end of the buffer, handle it */
if (ide->buffer_offset >= IDE_DISK_SECTOR_SIZE)
{
if (ide->command != IDE_COMMAND_SECURITY_UNLOCK)
continue_write(ide);
else
{
if (ide->user_password_enable && memcmp(ide->buffer, ide->user_password, 2 + 32) == 0)
{
LOGPRINT(("IDE Unlocked user password\n"));
ide->user_password_enable = 0;
}
if (ide->master_password_enable && memcmp(ide->buffer, ide->master_password, 2 + 32) == 0)
{
LOGPRINT(("IDE Unlocked master password\n"));
ide->master_password_enable = 0;
}
#if PRINTF_IDE_PASSWORD
{
int i;
for (i = 0; i < 34; i += 2)
{
if (i % 8 == 2)
printf("\n");
printf("0x%02x, 0x%02x, ", ide->buffer[i], ide->buffer[i + 1]);
//printf("0x%02x%02x, ", ide->buffer[i], ide->buffer[i + 1]);
}
printf("\n");
}
#endif
/* clear the busy adn error flags */
ide->status &= ~IDE_STATUS_ERROR;
ide->status &= ~IDE_STATUS_BUSY;
ide->status &= ~IDE_STATUS_BUFFER_READY;
if (ide->master_password_enable || ide->user_password_enable)
security_error(ide);
else
ide->status |= IDE_STATUS_DRIVE_READY;
}
}
}
void ide_controller_device::write_buffer_full()
{
ide_device_interface *dev = slot[cur_drive]->dev();
set_dmarq(0);
if (command == IDE_COMMAND_SECURITY_UNLOCK)
{
if (user_password_enable && memcmp(buffer, user_password, 2 + 32) == 0)
{
LOGPRINT(("IDE Unlocked user password\n"));
user_password_enable = 0;
}
if (master_password_enable && memcmp(buffer, master_password, 2 + 32) == 0)
{
LOGPRINT(("IDE Unlocked master password\n"));
master_password_enable = 0;
}
if (PRINTF_IDE_PASSWORD)
{
int i;
for (i = 0; i < 34; i += 2)
{
if (i % 8 == 2)
mame_printf_debug("\n");
mame_printf_debug("0x%02x, 0x%02x, ", buffer[i], buffer[i + 1]);
//mame_printf_debug("0x%02x%02x, ", buffer[i], buffer[i + 1]);
}
mame_printf_debug("\n");
}
/* clear the busy and error flags */
status &= ~IDE_STATUS_ERROR;
status &= ~IDE_STATUS_BUSY;
status &= ~IDE_STATUS_BUFFER_READY;
if (master_password_enable || user_password_enable)
security_error();
else
status |= IDE_STATUS_DRIVE_READY;
}
else if (command == IDE_COMMAND_TAITO_GNET_UNLOCK_2)
{
UINT8 key[5] = { 0 };
int i, bad = 0;
dev->read_key(key);
for (i=0; !bad && i<512; i++)
bad = ((i < 2 || i >= 7) && buffer[i]) || ((i >= 2 && i < 7) && buffer[i] != key[i-2]);
status &= ~IDE_STATUS_BUSY;
status &= ~IDE_STATUS_BUFFER_READY;
if (bad)
status |= IDE_STATUS_ERROR;
else {
status &= ~IDE_STATUS_ERROR;
gnetreadlock= 0;
}
}
else
{
continue_write();
}
}
