diff options
Diffstat (limited to 'src/mess/machine/thomflop.c')
-rw-r--r-- | src/mess/machine/thomflop.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/src/mess/machine/thomflop.c b/src/mess/machine/thomflop.c index 4aaf006f97c..fd66f746e76 100644 --- a/src/mess/machine/thomflop.c +++ b/src/mess/machine/thomflop.c @@ -625,7 +625,6 @@ static void to7_qdd_write_byte( running_machine &machine, UINT8 data ) data==0xA5 || data==0x5A ) && /* first byte of tentative field */ to7qdd->data_idx <to7qdd->data_size ) { - /* this is the first byte of the field */ if ( to7qdd->start_idx == to7qdd->data_idx ) to7qdd->data_crc = 0; @@ -643,7 +642,6 @@ static void to7_qdd_write_byte( running_machine &machine, UINT8 data ) to7qdd->data[ to7qdd->start_idx ] == 0xA5 && to7qdd->data[ to7qdd->start_idx + 3 ] == to7qdd->data_crc ) { - /* got an id field => format */ int sector = (int) to7qdd->data[ to7qdd->start_idx + 1 ] * 256 + (int) to7qdd->data[ to7qdd->start_idx + 2 ]; UINT8 filler = 0xff; @@ -662,7 +660,6 @@ static void to7_qdd_write_byte( running_machine &machine, UINT8 data ) to7qdd->data[ to7qdd->start_idx ] == 0x5A && to7qdd->data[ to7qdd->start_idx + 129 ] == to7qdd->data_crc ) { - /* look backwards for previous id field */ for ( i = to7qdd->start_idx - 3; i >= 0; i-- ) { @@ -698,7 +695,6 @@ static READ8_HANDLER ( to7_qdd_r ) { switch ( offset ) { - case 0: /* MC6852 status */ to7_qdd_stat_update(space.machine()); VLOG(( "%f $%04x to7_qdd_r: STAT=$%02X irq=%i pe=%i ovr=%i und=%i tr=%i rd=%i ncts=%i\n", @@ -741,7 +737,6 @@ static WRITE8_HANDLER( to7_qdd_w ) { switch ( offset ) { - case 0: /* MC6852 control 1 */ /* reset */ if ( data & QDD_C1_RRESET ) @@ -763,7 +758,6 @@ static WRITE8_HANDLER( to7_qdd_w ) case 1: switch ( to7qdd->ctrl1 >> 6 ) { - case 0: /* MC6852 control 2 */ { #if 0 @@ -908,7 +902,6 @@ static void to7_qdd_init( running_machine &machine ) struct thmfc1_t { - UINT8 op; UINT8 sector; /* target sector, in [1,16] */ UINT32 sector_id; @@ -994,7 +987,6 @@ static int thmfc_floppy_find_sector ( running_machine &machine, chrn_id* dst ) /* scan track, try 4 revolutions */ while ( r < 4 ) { - if ( floppy_drive_get_next_id( img, thmfc1->side, &id ) ) { if ( id.C == thmfc1->track && @@ -1118,7 +1110,6 @@ static void thmfc_floppy_qdd_write_byte ( running_machine &machine, UINT8 data ) ( thmfc1->data_idx || data==0xA5 || data==0x5A ) && thmfc1->data_raw_idx < THOM_MAXBUF ) { - if ( ! thmfc1->data_raw_size ) { thmfc1->data_raw_size = thom_qdd_make_disk ( thmfc_floppy_image(machine), thmfc1->data ); @@ -1144,7 +1135,6 @@ static void thmfc_floppy_qdd_write_byte ( running_machine &machine, UINT8 data ) thmfc1->data[ thmfc1->data_idx - 1 ] == 0xA5 && thmfc1->data[ thmfc1->data_idx + 2 ] == thmfc1->data_crc ) { - /* got an id field => format */ int sector = (int) thmfc1->data[ thmfc1->data_idx ] * 256 + (int) thmfc1->data[ thmfc1->data_idx + 1 ]; UINT8 filler = 0xff; @@ -1160,7 +1150,6 @@ static void thmfc_floppy_qdd_write_byte ( running_machine &machine, UINT8 data ) thmfc1->data[ thmfc1->data_idx - 1 ] == 0x5A && thmfc1->data[ thmfc1->data_idx + 128 ] == thmfc1->data_crc ) { - /* look backwards for previous id field */ for ( i = thmfc1->data_idx - 4; i >= 0; i-- ) { @@ -1231,7 +1220,6 @@ static void thmfc_floppy_format_byte ( running_machine &machine, UINT8 data ) thmfc1->data_idx++; if ( thmfc1->data_idx > 11 ) { - if ( !memcmp ( thmfc1->data, header, sizeof( header ) ) ) { /* got id field => format */ @@ -1261,7 +1249,6 @@ READ8_HANDLER ( thmfc_floppy_r ) { switch ( offset ) { - case 0: /* STAT0 */ thmfc1->stat0 ^= THMFC1_STAT0_SYNCHRO | THMFC1_STAT0_BYTE_READY_POL; VLOG(( "%f $%04x thmfc_floppy_r: STAT0=$%02X\n", space.machine().time().as_double(), space.machine().device("maincpu")->safe_pcbase(), thmfc1->stat0 )); @@ -1329,7 +1316,6 @@ READ8_HANDLER ( thmfc_floppy_r ) WRITE8_HANDLER ( thmfc_floppy_w ) { switch ( offset ) { - case 0: /* CMD0 */ { int wsync = (data >> 4) & 1; @@ -1348,7 +1334,6 @@ WRITE8_HANDLER ( thmfc_floppy_w ) switch ( data & 3 ) { - case THMFC1_OP_RESET: thmfc1->stat0 = THMFC1_STAT0_FINISHED; break; @@ -1782,7 +1767,6 @@ void to7_floppy_reset ( running_machine &machine ) switch ( to7_controller_type ) { - case 1: to7_floppy_bank = 1; to7_5p14sd_reset(machine); @@ -1822,7 +1806,6 @@ READ8_HANDLER ( to7_floppy_r ) { switch ( to7_controller_type ) { - case 1: return to7_5p14sd_r( space, offset, mem_mask ); @@ -1848,7 +1831,6 @@ WRITE8_HANDLER ( to7_floppy_w ) { switch ( to7_controller_type ) { - case 1: to7_5p14sd_w( space, offset, data, mem_mask ); return; |