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(MESS) abc80: Fixed cassette crash. (nw)

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This commit is contained in:
Curt Coder 2015-06-04 08:56:46 +03:00
parent f0979b157d
commit 93e0b86024
2 changed files with 8 additions and 5 deletions
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11
src/mess/drivers/abc80.c
View File

@ -333,15 +333,15 @@ WRITE8_MEMBER( abc80_state::pio_pb_w )
// cassette motor
if (BIT(data, 5))
{
if (!m_cassette_timer->enabled()) if (LOG) logerror("%s %s started cassette motor\n", machine().time().as_string(), machine().describe_context());
if (!m_motor) if (LOG) logerror("%s %s started cassette motor\n", machine().time().as_string(), machine().describe_context());
m_cassette->change_state(CASSETTE_MOTOR_ENABLED, CASSETTE_MASK_MOTOR);
m_cassette_timer->enable(true);
m_motor = true;
}
else
{
if (m_cassette_timer->enabled()) if (LOG) logerror("%s %s stopped cassette motor\n", machine().time().as_string(), machine().describe_context());
if (m_motor) if (LOG) logerror("%s %s stopped cassette motor\n", machine().time().as_string(), machine().describe_context());
m_cassette->change_state(CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
m_cassette_timer->enable(false);
m_motor = false;
}
// cassette data
@ -420,6 +420,8 @@ void abc80_state::device_timer(emu_timer &timer, device_timer_id id, int param,
case TIMER_ID_CASSETTE:
{
if (!m_motor) return;
int tape_in = m_cassette->input() > 0;
if (m_tape_in != tape_in)
@ -469,7 +471,6 @@ void abc80_state::machine_start()
// start timers
m_cassette_timer = timer_alloc(TIMER_ID_CASSETTE);
m_cassette_timer->adjust(attotime::from_hz(44100), 0, attotime::from_hz(44100));
m_cassette_timer->enable(false);
// register for state saving
save_item(NAME(m_key_data));

2
src/mess/includes/abc80.h
View File

@ -84,6 +84,7 @@ public:
m_line_prom(*this, "line"),
m_attr_prom(*this, "attr"),
m_video_ram(*this, "video_ram"),
m_motor(false),
m_tape_in(1),
m_tape_in_latch(1)
{ }
@ -164,6 +165,7 @@ public:
int m_blink;
// cassette state
bool m_motor;
int m_tape_in;
int m_tape_in_latch;