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Some cleanup in 6821pia.c and a fix for NULL timer callbacks in 6522via.c. drivedge now works again. No whatsnew.

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This commit is contained in:
Ryan Holtz 2010-08-25 04:47:44 +00:00
parent 65425075d3
commit da1d1e1084
2 changed files with 30 additions and 114 deletions
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140
src/emu/machine/6522via.c
View File

@ -209,6 +209,8 @@ UINT16 via6522_device::get_counter1_value()
// LIVE DEVICE
//**************************************************************************
const device_type VIA6522 = via6522_device_config::static_alloc_device_config;
//-------------------------------------------------
// via6522_device - constructor
//-------------------------------------------------
@ -245,9 +247,9 @@ void via6522_device::device_start()
m_t2ll = 0xff; /* taken from vice */
m_t2lh = 0xff;
m_time2 = m_time1 = timer_get_time(&m_machine);
m_t1 = timer_alloc(&m_machine, t1_timeout_callback, 0);
m_t2 = timer_alloc(&m_machine, t2_timeout_callback, 0);
m_shift_timer = timer_alloc(&m_machine, shift_callback, 0);
m_t1 = timer_alloc(&m_machine, t1_timeout_callback, (void *)this);
m_t2 = timer_alloc(&m_machine, t2_timeout_callback, (void *)this);
m_shift_timer = timer_alloc(&m_machine, shift_callback, (void *)this);
/* Default clock is from CPU1 */
if (clock() == 0)
@ -517,11 +519,6 @@ void via6522_device::t2_timeout()
via_r - CPU interface for VIA read
-------------------------------------------------*/
READ8_DEVICE_HANDLER(via_r)
{
return downcast<via6522_device *>(device)->reg_r(offset);
}
UINT8 via6522_device::reg_r(UINT8 offset)
{
int val = 0;
@ -712,11 +709,6 @@ UINT8 via6522_device::reg_r(UINT8 offset)
via_w - CPU interface for VIA write
-------------------------------------------------*/
WRITE8_DEVICE_HANDLER(via_w)
{
downcast<via6522_device *>(device)->reg_w(offset, data);
}
void via6522_device::reg_w(UINT8 offset, UINT8 data)
{
offset &=0x0f;
@ -978,40 +970,11 @@ void via6522_device::reg_w(UINT8 offset, UINT8 data)
}
}
/*-------------------------------------------------
via_ca1_r - interface returning VIA port
CA1 input
-------------------------------------------------*/
READ_LINE_DEVICE_HANDLER(via_ca1_r)
{
return downcast<via6522_device *>(device)->ca1_r();
}
/*-------------------------------------------------
via_ca2_r - interface returning VIA port
CA2 input
ca1_w - interface setting VIA port CA1 input
-------------------------------------------------*/
READ_LINE_DEVICE_HANDLER(via_ca2_r)
{
return downcast<via6522_device *>(device)->ca2_r();
}
/*-------------------------------------------------
via_ca1_w - interface setting VIA port
CA1 input
-------------------------------------------------*/
WRITE_LINE_DEVICE_HANDLER(via_ca1_w)
{
downcast<via6522_device *>(device)->ca1_w(state);
}
void via6522_device::ca1_w(UINT8 state)
{
/* handle the active transition */
@ -1056,17 +1019,10 @@ void via6522_device::ca1_w(UINT8 state)
}
/*-------------------------------------------------
via_ca2_w - interface setting VIA port
CA2 input
ca2_w - interface setting VIA port CA2 input
-------------------------------------------------*/
WRITE_LINE_DEVICE_HANDLER(via_ca2_w)
{
downcast<via6522_device *>(device)->ca2_w(state);
}
void via6522_device::ca2_w(UINT8 state)
{
/* CA2 is in input mode */
@ -1088,41 +1044,10 @@ void via6522_device::ca2_w(UINT8 state)
}
/*-------------------------------------------------
via_cb1_r - interface returning VIA port
CB1 input
cb1_w - interface setting VIA port CB1 input
-------------------------------------------------*/
READ_LINE_DEVICE_HANDLER(via_cb1_r)
{
return downcast<via6522_device *>(device)->cb1_r();
}
/*-------------------------------------------------
via_cb2_r - interface returning VIA port
CB2 input
-------------------------------------------------*/
READ_LINE_DEVICE_HANDLER(via_cb2_r)
{
return downcast<via6522_device *>(device)->cb2_r();
}
/*-------------------------------------------------
via_cb1_w - interface setting VIA port
CB1 input
-------------------------------------------------*/
WRITE_LINE_DEVICE_HANDLER( via_cb1_w )
{
downcast<via6522_device *>(device)->cb1_w(state);
}
void via6522_device::cb1_w(UINT8 state)
{
/* handle the active transition */
@ -1168,15 +1093,9 @@ void via6522_device::cb1_w(UINT8 state)
/*-------------------------------------------------
via_cb2_w - interface setting VIA port
CB2 input
cb2_w - interface setting VIA port CB2 input
-------------------------------------------------*/
WRITE_LINE_DEVICE_HANDLER(via_cb2_w)
{
downcast<via6522_device *>(device)->cb2_w(state);
}
void via6522_device::cb2_w(UINT8 state)
{
/* CB2 is in input mode */
@ -1197,31 +1116,28 @@ void via6522_device::cb2_w(UINT8 state)
}
}
/*-------------------------------------------------
via_porta_w - interface writing VIA port A
-------------------------------------------------*/
WRITE8_DEVICE_HANDLER(via_porta_w)
{
downcast<via6522_device *>(device)->porta_w(data);
}
/*-------------------------------------------------
via_portb_w - interface writing VIA port B
-------------------------------------------------*/
/***************************************************************************
TRAMPOLINES
***************************************************************************/
WRITE8_DEVICE_HANDLER(via_portb_w)
{
downcast<via6522_device *>(device)->portb_w(data);
}
READ8_DEVICE_HANDLER(via_r) { return downcast<via6522_device *>(device)->reg_r(offset); }
WRITE8_DEVICE_HANDLER(via_w) { downcast<via6522_device *>(device)->reg_w(offset, data); }
/*-------------------------------------------------
via_portb_r - interface reading VIA port B
-------------------------------------------------*/
READ_LINE_DEVICE_HANDLER(via_ca1_r) { return downcast<via6522_device *>(device)->ca1_r(); }
WRITE_LINE_DEVICE_HANDLER(via_ca1_w) { downcast<via6522_device *>(device)->ca1_w(state); }
READ8_DEVICE_HANDLER(via_portb_w)
{
return downcast<via6522_device *>(device)->portb_r();
}
READ_LINE_DEVICE_HANDLER(via_ca2_r) { return downcast<via6522_device *>(device)->ca2_r(); }
WRITE_LINE_DEVICE_HANDLER(via_ca2_w) { downcast<via6522_device *>(device)->ca2_w(state); }
const device_type VIA6522 = via6522_device_config::static_alloc_device_config;
READ_LINE_DEVICE_HANDLER(via_cb1_r) { return downcast<via6522_device *>(device)->cb1_r(); }
WRITE_LINE_DEVICE_HANDLER(via_cb1_w) { downcast<via6522_device *>(device)->cb1_w(state); }
READ_LINE_DEVICE_HANDLER(via_cb2_r) { return downcast<via6522_device *>(device)->cb2_r(); }
WRITE_LINE_DEVICE_HANDLER(via_cb2_w) { downcast<via6522_device *>(device)->cb2_w(state); }
WRITE8_DEVICE_HANDLER(via_porta_w) { downcast<via6522_device *>(device)->porta_w(data); }
READ8_DEVICE_HANDLER(via_portb_r) { return downcast<via6522_device *>(device)->portb_r(); }
WRITE8_DEVICE_HANDLER(via_portb_w) { downcast<via6522_device *>(device)->portb_w(data); }

4
src/emu/machine/6821pia.c
View File

@ -111,6 +111,8 @@ void pia6821_device_config::device_config_complete()
// LIVE DEVICE
//**************************************************************************
const device_type PIA6821 = pia6821_device_config::static_alloc_device_config;
//-------------------------------------------------
// pia6821_device - constructor
//-------------------------------------------------
@ -1420,5 +1422,3 @@ int pia6821_device::get_irq_b()
{
return m_irq_b_state;
}
const device_type PIA6821 = pia6821_device_config::static_alloc_device_config;