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Diffstat (limited to 'src/devices/bus/coco/cococart.cpp')
-rw-r--r--src/devices/bus/coco/cococart.cpp53
1 files changed, 27 insertions, 26 deletions
diff --git a/src/devices/bus/coco/cococart.cpp b/src/devices/bus/coco/cococart.cpp
index 2dbf679f363..ec387378fb8 100644
--- a/src/devices/bus/coco/cococart.cpp
+++ b/src/devices/bus/coco/cococart.cpp
@@ -90,14 +90,6 @@
CONSTANTS
***************************************************************************/
-enum
-{
- TIMER_CART,
- TIMER_NMI,
- TIMER_HALT
-};
-
-
// definitions of RPK PCBs in layout.xml
static const char *coco_rpk_pcbdefs[] =
{
@@ -149,11 +141,11 @@ cococart_slot_device::cococart_slot_device(const machine_config &mconfig, const
void cococart_slot_device::device_start()
{
- for(int i=0; i<TIMER_POOL; i++ )
+ for(int i=0; i < TIMER_POOL; i++ )
{
- m_cart_line.timer[i] = timer_alloc(TIMER_CART);
- m_nmi_line.timer[i] = timer_alloc(TIMER_NMI);
- m_halt_line.timer[i] = timer_alloc(TIMER_HALT);
+ m_cart_line.timer[i] = timer_alloc(FUNC(cococart_slot_device::cart_line_timer_tick), this);
+ m_nmi_line.timer[i] = timer_alloc(FUNC(cococart_slot_device::nmi_line_timer_tick), this);
+ m_halt_line.timer[i] = timer_alloc(FUNC(cococart_slot_device::halt_line_timer_tick), this);
}
m_cart_line.timer_index = 0;
@@ -204,28 +196,37 @@ void cococart_slot_device::device_start()
//-------------------------------------------------
-// device_timer - handle timer callbacks
+// cart_line_timer_tick - update the output
+// value for the cart's line to PIA1 CB1
//-------------------------------------------------
-void cococart_slot_device::device_timer(emu_timer &timer, device_timer_id id, int param)
+TIMER_CALLBACK_MEMBER(cococart_slot_device::cart_line_timer_tick)
{
- switch(id)
- {
- case TIMER_CART:
- set_line(line::CART, m_cart_line, (line_value) param);
- break;
+ set_line(line::CART, m_cart_line, (line_value) param);
+}
- case TIMER_NMI:
- set_line(line::NMI, m_nmi_line, (line_value) param);
- break;
+//-------------------------------------------------
+// nmi_line_timer_tick - update the output
+// value sent to the CPU's NMI line
+//-------------------------------------------------
- case TIMER_HALT:
- set_line(line::HALT, m_halt_line, (line_value) param);
- break;
- }
+TIMER_CALLBACK_MEMBER(cococart_slot_device::nmi_line_timer_tick)
+{
+ set_line(line::NMI, m_nmi_line, (line_value) param);
+}
+
+//-------------------------------------------------
+// halt_line_timer_tick - update the output
+// value sent to the CPU's HALT line
+//-------------------------------------------------
+
+TIMER_CALLBACK_MEMBER(cococart_slot_device::halt_line_timer_tick)
+{
+ set_line(line::HALT, m_halt_line, (line_value) param);
}
+
//-------------------------------------------------
// cts_read
//-------------------------------------------------