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idectrl: some quick hacks to work with MESS.

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I expect this to become obsolete once the new device system hits and the 
relevant MESS devices have been reworked to take advantage.  Until then,
it achives booting an emulated Apple II off IDE, which is fun ;-)
This commit is contained in:
R. Belmont 2010-05-31 02:23:20 +00:00
parent 224c4a05ec
commit dd0e89953d
1 changed files with 28 additions and 0 deletions
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28
src/emu/machine/idectrl.c
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@ -8,6 +8,9 @@
#include "idectrl.h"
#include "debugger.h"
#ifdef MESS
#include "devices/harddriv.h"
#endif
/***************************************************************************
DEBUGGING
@ -1905,6 +1908,31 @@ static DEVICE_RESET( ide_controller )
LOG(("IDE controller reset performed\n"));
#ifdef MESS
if (!ide->disk)
{
ide->handle = mess_hd_get_chd_file( device->machine->device( "harddisk" ) ); // should be config->master
ide->disk = mess_hd_get_hard_disk_file( device->machine->device( "harddisk" ) ); // should be config->master
if (ide->disk != NULL)
{
const hard_disk_info *hdinfo;
hdinfo = hard_disk_get_info(ide->disk);
if (hdinfo->sectorbytes == IDE_DISK_SECTOR_SIZE)
{
ide->num_cylinders = hdinfo->cylinders;
ide->num_sectors = hdinfo->sectors;
ide->num_heads = hdinfo->heads;
if (PRINTF_IDE_COMMANDS) printf("CHS: %d %d %d\n", ide->num_cylinders, ide->num_heads, ide->num_sectors);
}
/* build the features page */
ide_build_features(ide);
}
}
#endif
/* reset the drive state */
ide->status = IDE_STATUS_DRIVE_READY | IDE_STATUS_SEEK_COMPLETE;
ide->error = IDE_ERROR_DEFAULT;