Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-03 09:06:08 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

(MESS) s1410: Return drive not ready error when trying to recalibrate the unsupported drive 1. This fixes the phantom partitions in ABC 850/852. [Curt Coder]

Browse Source
This commit is contained in:
Curt Coder 2013-11-14 22:38:33 +00:00
parent e83e5c5162
commit ac953c7ea8
2 changed files with 40 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/mess/machine/s1410.c
View File

@ -212,6 +212,8 @@ s1410_device::s1410_device(const machine_config &mconfig, const char *tag, devic
#define S1410_CMD_DRIVE_DIAGS ( 0xe3 ) #define S1410_CMD_DRIVE_DIAGS ( 0xe3 )
#define S1410_CMD_CONTROLER_DIAGS ( 0xe4 ) #define S1410_CMD_CONTROLER_DIAGS ( 0xe4 )
#define S1410_STATUS_NOT_READY ( 0x04 )
#define TRANSFERLENGTH_INIT_DRIVE_PARAMS ( 0x08 ) #define TRANSFERLENGTH_INIT_DRIVE_PARAMS ( 0x08 )
#define TRANSFERLENGTH_FORMAT_ALT_TRACK ( 0x03 ) #define TRANSFERLENGTH_FORMAT_ALT_TRACK ( 0x03 )
#define TRANSFERLENGTH_SECTOR_BUFFER ( 0x0200 ) #define TRANSFERLENGTH_SECTOR_BUFFER ( 0x0200 )
@ -220,6 +222,26 @@ void s1410_device::ExecCommand()
{ {
switch( command[ 0 ] ) switch( command[ 0 ] )
{ {
case SCSI_CMD_RECALIBRATE:
if (command[1] >> 5)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_sense_asc = S1410_STATUS_NOT_READY;
m_transfer_length = 0;
}
else
{
scsihd_device::ExecCommand();
}
break;
case SCSI_CMD_REQUEST_SENSE:
m_phase = SCSI_PHASE_DATAIN;
m_status_code = SCSI_STATUS_CODE_GOOD;
m_transfer_length = 4;
break;
case S1410_CMD_FORMAT_TRACK: case S1410_CMD_FORMAT_TRACK:
{ {
lba = (command[1]&0x1f)<<16 | command[2]<<8 | command[3]; lba = (command[1]&0x1f)<<16 | command[2]<<8 | command[3];
@ -345,3 +367,20 @@ void s1410_device::WriteData( UINT8 *data, int dataLength )
break; break;
} }
} }
void s1410_device::ReadData( UINT8 *data, int dataLength )
{
switch( command[ 0 ] )
{
case SCSI_CMD_REQUEST_SENSE:
data[0] = m_sense_asc & 0x7f;
data[1] = (m_sense_information >> 16) & 0x1f;
data[2] = (m_sense_information >> 8) & 0xff;
data[3] = (m_sense_information >> 0) & 0xff;
break;
default:
scsihd_device::ReadData( data, dataLength );
break;
}
}

1
src/mess/machine/s1410.h
View File

@ -29,6 +29,7 @@ public:
virtual void ExecCommand(); virtual void ExecCommand();
virtual void WriteData( UINT8 *data, int dataLength ); virtual void WriteData( UINT8 *data, int dataLength );
virtual void ReadData( UINT8 *data, int dataLength );
}; };