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Update timekpr.cpp with support for some variants

This commit is contained in:
Barry Harris 2012-12-10 19:33:34 +00:00
parent 2c458c30f1
commit c911828393
2 changed files with 40 additions and 17 deletions
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49
src/burn/devices/timekpr.cpp
View File

@ -48,14 +48,16 @@ static INT32 AllocatedOwnDataArea = 0;
#define SECONDS_ST ( 0x80 )
#define DAY_FT ( 0x40 ) /* not emulated */
#define DAY_CEB ( 0x20 ) /* M48T58 */
#define DAY_CB ( 0x10 ) /* M48T58 */
#define DAY_FT ( 0x40 ) /* M48T37 - not emulated */
#define DAY_CEB ( 0x20 ) /* M48T35/M48T58 */
#define DAY_CB ( 0x10 ) /* M48T35/M48T58 */
#define DATE_BLE ( 0x80 ) /* M48T58: not emulated */
#define DATE_BL ( 0x40 ) /* M48T58: not emulated */
#define FLAGS_BL ( 0x10 ) /* MK48T08: not emulated */
#define FLAGS_BL ( 0x10 ) /* MK48T08/M48T37: not emulated */
#define FLAGS_AF ( 0x40 ) /* M48T37: not emulated */
#define FLAGS_WDF ( 0x80 ) /* M48T37: not emulated */
static inline UINT8 make_bcd(UINT8 data)
{
@ -150,6 +152,7 @@ void TimeKeeperWrite(INT32 offset, UINT8 data)
if( offset == Chip.offset_control )
{
bprintf(PRINT_NORMAL, _T("Offset Control %x, %x\n"), offset, data);
if( ( Chip.control & CONTROL_W ) != 0 &&
( data & CONTROL_W ) == 0 )
{
@ -157,18 +160,10 @@ void TimeKeeperWrite(INT32 offset, UINT8 data)
}
Chip.control = data;
}
else if( Chip.type == TIMEKEEPER_M48T58 && offset == Chip.offset_day )
else if( (Chip.type == TIMEKEEPER_M48T58 || Chip.type == TIMEKEEPER_M48T35) && offset == Chip.offset_day )
{
Chip.day = ( Chip.day & ~DAY_CEB ) | ( data & DAY_CEB );
}
else if( Chip.type == TIMEKEEPER_M48T58 && offset == Chip.offset_date )
{
data &= ~DATE_BL;
}
else if( Chip.type == TIMEKEEPER_MK48T08 && offset == Chip.offset_flags )
{
data &= ~FLAGS_BL;
}
Chip.data[ offset ] = data;
}
@ -235,7 +230,7 @@ void TimeKeeperTick()
if( carry )
{
carry = inc_bcd( &Chip.century, MASK_CENTURY, 0x00, 0x99 );
if( Chip.type == TIMEKEEPER_M48T58 && ( Chip.day & DAY_CEB ) != 0 )
if( (Chip.type == TIMEKEEPER_M48T58 || Chip.type == TIMEKEEPER_M48T35) && ( Chip.day & DAY_CEB ) != 0 )
{
Chip.day ^= DAY_CB;
}
@ -271,6 +266,32 @@ void TimeKeeperInit(INT32 type, UINT8 *data)
Chip.offset_flags = -1;
Chip.size = 0x800;
break;
case TIMEKEEPER_M48T35:
Chip.offset_control = 0x7ff8;
Chip.offset_seconds = 0x7ff9;
Chip.offset_minutes = 0x7ffa;
Chip.offset_hours = 0x7ffb;
Chip.offset_day = 0x7ffc;
Chip.offset_date = 0x7ffd;
Chip.offset_month = 0x7ffe;
Chip.offset_year = 0x7fff;
Chip.offset_century = -1;
Chip.offset_flags = -1;
Chip.size = 0x8000;
break;
case TIMEKEEPER_M48T37:
Chip.offset_control = 0x7ff8;
Chip.offset_seconds = 0x7ff9;
Chip.offset_minutes = 0x7ffa;
Chip.offset_hours = 0x7ffb;
Chip.offset_day = 0x7ffc;
Chip.offset_date = 0x7ffd;
Chip.offset_month = 0x7ffe;
Chip.offset_year = 0x7fff;
Chip.offset_century = 0x7ff1;
Chip.offset_flags = 0x7ff0;
Chip.size = 0x8000;
break;
case TIMEKEEPER_M48T58:
Chip.offset_control = 0x1ff8;
Chip.offset_seconds = 0x1ff9;

8
src/burn/devices/timekpr.h
View File

@ -1,6 +1,8 @@
#define TIMEKEEPER_M48T58 ( 1 )
#define TIMEKEEPER_M48T02 ( 2 )
#define TIMEKEEPER_MK48T08 ( 3 )
#define TIMEKEEPER_M48T02 1
#define TIMEKEEPER_M48T35 2
#define TIMEKEEPER_M48T37 3
#define TIMEKEEPER_M48T58 4
#define TIMEKEEPER_MK48T08 5
UINT8 TimeKeeperRead(UINT32 offset);
void TimeKeeperWrite(INT32 offset, UINT8 data);