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hp2640.cpp: Fixed some uninitialised memory accesses.

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This commit is contained in:
Vas Crabb 2022-06-18 00:44:21 +10:00
parent 60179d8c95
commit bf0c459df0
1 changed files with 12 additions and 0 deletions
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12
src/mame/drivers/hp2640.cpp
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@ -319,6 +319,18 @@ void hp2640_base_state::machine_start()
{
m_screen->register_screen_bitmap(m_bitmap);
// these are set in machine_reset, but device reset callbacks end up reading them before then
// (machine_reset is called after all child devices are reset)
m_mode_byte = false;
m_timer_irq = m_datacom_irq = m_tape_irq = false;
m_async_control = 0;
m_even = true;
m_line_done = false;
m_dma_addr = 0;
m_row_counter = 0;
m_row_reset = false;
// TODO: save more state
save_item(NAME(m_mode_byte));
save_item(NAME(m_timer_irq));