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Attempt to add Copy Sector Data command, but my logic fails for some reason ...

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This commit is contained in:
Angelo Salese 2013-02-16 02:08:55 +00:00
parent 624f337023
commit 8b1eabaf1e
1 changed files with 29 additions and 7 deletions
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36
src/emu/machine/stvcd.c
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@ -798,6 +798,7 @@ void saturn_state::cd_exec_command( void )
else
{
cr4 = partitions[bufnum].numblks;
//printf("Partition %08x %04x\n",bufnum,cr4);
}
hirqreg |= (CMOK|DRDY);
@ -1072,20 +1073,41 @@ void saturn_state::cd_exec_command( void )
break;
case 0x65:
popmessage("Copy Sector data, contact MAMEdev");
popmessage("Move Sector data, contact MAMEdev");
hirqreg |= (CMOK);
break;
case 0x66: // move sector data
case 0x66: // copy sector data
/* TODO: Sword & Sorcery / Riglord Saga 2 */
{
//UINT8 src_filter = (cr3>>8)&0xff;
//UINT8 dst_filter = cr4;
cd_stat |= CD_STAT_TRANS;
//debugger_break(machine());
UINT32 src_filter = (cr3>>8)&0xff;
UINT32 dst_filter = cr1&0xff;
UINT32 sectnum = cr4 & 0xff;
//cd_stat |= CD_STAT_TRANS;
//transpart = &partitions[dst_filter];
for (int i = 0; i < sectnum; i++)
{
// allocate the dst blocks
partitions[dst_filter].blocks[i] = cd_alloc_block(&partitions[dst_filter].bnum[i]);
partitions[dst_filter].size += partitions[dst_filter].blocks[i]->size;
partitions[dst_filter].numblks++;
//copy data
for(int j = 0; j < sectlenin; j++)
partitions[dst_filter].blocks[i]->data[j] = partitions[src_filter].blocks[i]->data[j];
//deallocate the src blocks
//partitions[src_filter].size -= partitions[src_filter].blocks[i]->size;
//cd_free_block(partitions[src_filter].blocks[i]);
//partitions[src_filter].blocks[i] = (blockT *)NULL;
//partitions[src_filter].bnum[i] = 0xff;
}
}
hirqreg |= (CMOK|ECPY|DRDY);
hirqreg |= (CMOK|ECPY);
cr_standard_return(cd_stat);
break;