diff options
Diffstat (limited to 'src/mame/drivers/apple2.cpp')
-rw-r--r-- | src/mame/drivers/apple2.cpp | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/mame/drivers/apple2.cpp b/src/mame/drivers/apple2.cpp index 21cc5fcfc00..d43eb3fa842 100644 --- a/src/mame/drivers/apple2.cpp +++ b/src/mame/drivers/apple2.cpp @@ -677,10 +677,24 @@ u8 apple2_state::controller_strobe_r() void apple2_state::controller_strobe_w(u8 data) { - m_joystick_x1_time = machine().time().as_double() + m_x_calibration * m_gameio->pdl0_r(); - m_joystick_y1_time = machine().time().as_double() + m_y_calibration * m_gameio->pdl1_r(); - m_joystick_x2_time = machine().time().as_double() + m_x_calibration * m_gameio->pdl2_r(); - m_joystick_y2_time = machine().time().as_double() + m_y_calibration * m_gameio->pdl3_r(); + // 558 monostable one-shot timers; a running timer cannot be restarted + if (machine().time().as_double() >= m_joystick_x1_time) + { + m_joystick_x1_time = machine().time().as_double() + m_x_calibration * m_gameio->pdl0_r(); + } + if (machine().time().as_double() >= m_joystick_y1_time) + { + m_joystick_y1_time = machine().time().as_double() + m_y_calibration * m_gameio->pdl1_r(); + } + if (machine().time().as_double() >= m_joystick_x2_time) + { + m_joystick_x2_time = machine().time().as_double() + m_x_calibration * m_gameio->pdl2_r(); + } + if (machine().time().as_double() >= m_joystick_y2_time) + { + m_joystick_y2_time = machine().time().as_double() + m_y_calibration * m_gameio->pdl3_r(); + } + } u8 apple2_state::c080_r(offs_t offset) |