summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/machine/e05a30.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/machine/e05a30.cpp')
-rw-r--r--src/devices/machine/e05a30.cpp27
1 files changed, 11 insertions, 16 deletions
diff --git a/src/devices/machine/e05a30.cpp b/src/devices/machine/e05a30.cpp
index 650f6a28c97..272fd3d2716 100644
--- a/src/devices/machine/e05a30.cpp
+++ b/src/devices/machine/e05a30.cpp
@@ -18,8 +18,8 @@
DEFINE_DEVICE_TYPE(E05A30, e05a30_device, "e05a30", "Epson E05A30 Gate Array")
-e05a30_device::e05a30_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, E05A30, tag, owner, clock),
+e05a30_device::e05a30_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, E05A30, tag, owner, clock),
m_write_printhead(*this),
m_write_pf_stepper(*this),
m_write_cr_stepper(*this),
@@ -30,6 +30,7 @@ e05a30_device::e05a30_device(const machine_config &mconfig, const char *tag, dev
m_write_centronics_fault(*this),
m_write_centronics_select(*this),
m_write_cpu_reset(*this),
+ m_write_ready_led(*this),
m_printhead(0),
m_pf_stepper(0),
m_cr_stepper(0), m_centronics_data(0), m_centronics_busy(0), m_centronics_nack(0), m_centronics_init(1), m_centronics_strobe(0), m_centronics_data_latch(0), m_centronics_data_latched(0)
@@ -42,18 +43,6 @@ e05a30_device::e05a30_device(const machine_config &mconfig, const char *tag, dev
void e05a30_device::device_start()
{
- /* resolve callbacks */
- m_write_printhead.resolve_safe();
- m_write_pf_stepper.resolve_safe();
- m_write_cr_stepper.resolve_safe();
- m_write_ready.resolve_safe();
- m_write_centronics_ack.resolve_safe();
- m_write_centronics_busy.resolve_safe();
- m_write_centronics_perror.resolve_safe();
- m_write_centronics_fault.resolve_safe();
- m_write_centronics_select.resolve_safe();
- m_write_cpu_reset.resolve_safe();
-
/* register for state saving */
save_item(NAME(m_printhead));
save_item(NAME(m_pf_stepper));
@@ -74,6 +63,7 @@ void e05a30_device::device_reset()
/* centronics init */
m_centronics_nack = false;
m_centronics_busy = false;
+ m_write_ready_led(get_ready_led());
m_write_centronics_ack (!m_centronics_nack);
m_write_centronics_busy ( m_centronics_busy);
m_write_centronics_perror(false);
@@ -147,13 +137,14 @@ void e05a30_device::update_cr_stepper(uint8_t data)
Centronics
***************************************************************************/
-WRITE_LINE_MEMBER( e05a30_device::centronics_input_strobe )
+void e05a30_device::centronics_input_strobe(int state)
{
if (m_centronics_strobe == true && state == false && !m_centronics_busy) {
m_centronics_data_latch = m_centronics_data;
m_centronics_data_latched = true;
m_centronics_busy = true;
+ m_write_ready_led(get_ready_led());
m_write_centronics_busy(m_centronics_busy);
}
@@ -161,7 +152,7 @@ WRITE_LINE_MEMBER( e05a30_device::centronics_input_strobe )
}
-WRITE_LINE_MEMBER( e05a30_device::centronics_input_init )
+void e05a30_device::centronics_input_init(int state)
{
if (m_centronics_init == 1 && state == 0) // when init goes low, do a reset cycle
{
@@ -201,13 +192,17 @@ void e05a30_device::write(offs_t offset, uint8_t data)
case 0x04:
m_centronics_nack = BIT(data,5);
m_centronics_busy = BIT(data,0);
+ m_write_ready_led(get_ready_led());
/* The ActionPrinter 2000 firmware might overwrite the busy signal at
* address 20AB if the host depends only on the busy signal and
* doesn't wait for the ack pulse. To avoid skipping input data, we
* assume the busy signal cannot be reset while the data hasn't been
* read. */
if (m_centronics_data_latched)
+ {
m_centronics_busy = true;
+ m_write_ready_led(get_ready_led());
+ }
m_write_centronics_ack (!m_centronics_nack);
m_write_centronics_busy( m_centronics_busy);
break;