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path: root/src/devices/machine/nscsi_cd.cpp
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Diffstat (limited to 'src/devices/machine/nscsi_cd.cpp')
-rw-r--r--src/devices/machine/nscsi_cd.cpp42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/devices/machine/nscsi_cd.cpp b/src/devices/machine/nscsi_cd.cpp
index 0527adde815..186f22b1704 100644
--- a/src/devices/machine/nscsi_cd.cpp
+++ b/src/devices/machine/nscsi_cd.cpp
@@ -251,6 +251,48 @@ void nscsi_cdrom_device::scsi_command()
scsi_status_complete(SS_GOOD);
break;
+ case SC_RECIEVE_DIAG_RES: {
+ LOG("command RECIEVE DIAGNOSTICS RESULTS");
+ int size = (scsi_cmdbuf[3] << 8) | scsi_cmdbuf[4];
+ int pos = 0;
+ scsi_cmdbuf[pos++] = 0;
+ scsi_cmdbuf[pos++] = 6;
+ scsi_cmdbuf[pos++] = 0; // ROM is OK
+ scsi_cmdbuf[pos++] = 0; // RAM is OK
+ scsi_cmdbuf[pos++] = 0; // Data buffer is OK
+ scsi_cmdbuf[pos++] = 0; // Interface is OK
+ scsi_cmdbuf[pos++] = 0;
+ if(size > pos)
+ size = pos;
+ scsi_data_in(0, size);
+ scsi_status_complete(SS_GOOD);
+ break;
+ }
+
+ case SC_SEND_DIAGNOSTICS: {
+ LOG("command SEND DIAGNOSTICS");
+ int size = (scsi_cmdbuf[3] << 8) | scsi_cmdbuf[4];
+ if(scsi_cmdbuf[1] & 4) {
+ // Self-test
+ scsi_status_complete(SS_GOOD);
+ break;
+ }
+ int pos = 0;
+ scsi_cmdbuf[pos++] = 0;
+ scsi_cmdbuf[pos++] = 6;
+ scsi_cmdbuf[pos++] = 0; // ROM is OK
+ scsi_cmdbuf[pos++] = 0; // RAM is OK
+ scsi_cmdbuf[pos++] = 0; // Data buffer is OK
+ scsi_cmdbuf[pos++] = 0; // Interface is OK
+ scsi_cmdbuf[pos++] = 0;
+ scsi_cmdbuf[pos++] = 0;
+ if(size > pos)
+ size = pos;
+ scsi_data_in(0, size);
+ scsi_status_complete(SS_GOOD);
+ break;
+ }
+
case SC_READ_CAPACITY: {
if(!cdrom) {
return_no_cd();