diff options
Diffstat (limited to 'src/devices/machine/e05a30.cpp')
-rw-r--r-- | src/devices/machine/e05a30.cpp | 27 |
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; |