/* read status port */
static int I8741_status_r(const address_space *space, int num)
{
I8741 *st = &taito8741[num];
taito8741_update(space, num);
LOG(("%s:8741-%d ST Read %02x\n",cpuexec_describe_context(space->machine),num,st->status));
return st->status;
}
/* read status port */
static int I8741_status_r(address_space &space, int num)
{
I8741 *st = &taito8741[num];
taito8741_update(space, num);
LOG(("%s:8741-%d ST Read %02x\n",space.machine().describe_context(),num,st->status));
return st->status;
}
/* read status port */
static int I8741_status_r(int num)
{
I8741 *st = &taito8741[num];
taito8741_update(num);
#if __log__
logerror("8741-%d ST Read %02x PC=%04x\n",num,st->status,activecpu_get_pc());
#endif
return st->status;
}
/* Write command port */
static void I8741_command_w(const address_space *space, int num, int data)
{
I8741 *st = &taito8741[num];
LOG(("%s:8741-%d CMD Write %02x\n",cpuexec_describe_context(space->machine),num,data));
st->fromCmd = data;
st->status |= 0x04;
/* update chip */
taito8741_update(space,num);
}
/* Write data port */
static void I8741_data_w(address_space &space, int num, int data)
{
I8741 *st = &taito8741[num];
LOG(("%s:8741-%d DATA Write %02x\n",space.machine().describe_context(),num,data));
st->fromData = data;
st->status |= 0x02;
/* update chip */
taito8741_update(space, num);
}
/* Write command port */
static void I8741_command_w(int num, int data)
{
I8741 *st = &taito8741[num];
#if __log__
logerror("8741-%d CMD Write %02x PC=%04x\n",num,data,activecpu_get_pc());
#endif
st->fromCmd = data;
st->status |= 0x04;
/* update chip */
taito8741_update(num);
}
/* Write data port */
static void I8741_data_w(int num, int data)
{
I8741 *st = &taito8741[num];
#if __log__
if(errorlog) fprintf(errorlog,"8741-%d DATA Write %02x PC=%04x\n",num,data,cpu_get_pc());
#endif
st->fromData = data;
st->status |= 0x02;
/* update chip */
taito8741_update(num);
}
/* read data port */
static int I8741_data_r(const address_space *space, int num)
{
I8741 *st = &taito8741[num];
int ret = st->toData;
st->status &= 0xfe;
LOG(("%s:8741-%d DATA Read %02x\n",cpuexec_describe_context(space->machine),num,ret));
/* update chip */
taito8741_update(space, num);
switch( st->mode )
{
case TAITO8741_PORT: /* parallel data */
taito8741_hostdata_w(st,st->portHandler ? st->portHandler(space, st->parallelselect) : st->portName ? input_port_read(space->machine, st->portName) : 0);
break;
}
return ret;
}
/* read data port */
static int I8741_data_r(address_space &space, int num)
{
I8741 *st = &taito8741[num];
int ret = st->toData;
st->status &= 0xfe;
LOG(("%s:8741-%d DATA Read %02x\n",space.machine().describe_context(),num,ret));
/* update chip */
taito8741_update(space, num);
switch( st->mode )
{
case TAITO8741_PORT: /* parallel data */
taito8741_hostdata_w(st,st->portHandler ? st->portHandler(space, st->parallelselect, 0xff) : st->portName ? space.machine().root_device().ioport(st->portName)->read() : 0);
break;
}
return ret;
}
/* read data port */
static int I8741_data_r(int num)
{
I8741 *st = &taito8741[num];
int ret = st->toData;
st->status &= 0xfe;
#if __log__
logerror("8741-%d DATA Read %02x PC=%04x\n",num,ret,activecpu_get_pc());
#endif
/* update chip */
taito8741_update(num);
switch( st->mode )
{
case TAITO8741_PORT: /* parallel data */
taito8741_hostdata_w(st,st->portHandler ? st->portHandler(st->parallelselect) : 0);
break;
}
return ret;
}
