diff options
Diffstat (limited to 'src/devices/video/hd44780.cpp')
| -rw-r--r-- | src/devices/video/hd44780.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/devices/video/hd44780.cpp b/src/devices/video/hd44780.cpp index f2e0d90485f..6b00a9a7328 100644 --- a/src/devices/video/hd44780.cpp +++ b/src/devices/video/hd44780.cpp @@ -70,6 +70,7 @@ hd44780_device::hd44780_device(const machine_config &mconfig, device_type type, , m_rw_input(0) , m_db_input(0) , m_enabled(false) + , m_function_set_at_any_time(false) { } @@ -487,7 +488,7 @@ void hd44780_device::control_write(u8 data) else if (BIT(m_ir, 5)) { // function set - if (!m_first_cmd && m_data_len == (BIT(m_ir, 4) ? 8 : 4) && (m_char_size != (BIT(m_ir, 2) ? 10 : 8) || m_num_line != (BIT(m_ir, 3) + 1))) + if (!m_function_set_at_any_time && !m_first_cmd && m_data_len == (BIT(m_ir, 4) ? 8 : 4) && (m_char_size != (BIT(m_ir, 2) ? 10 : 8) || m_num_line != (BIT(m_ir, 3) + 1))) { logerror("HD44780: function set cannot be executed after other instructions unless the interface data length is changed\n"); return; |
