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Fix missing speaker levels for trs80 (level2) by initializing speaker_sound_device with custom 4 levels.

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jbu 2014-12-30 19:55:48 +01:00
parent a056bf3ffa
commit 207718b436
2 changed files with 31 additions and 23 deletions
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8
src/mess/machine/trs80.c
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@ -593,6 +593,7 @@ WRITE8_MEMBER( trs80_state::trs80_ff_w )
d1, d0 Cassette output */ d1, d0 Cassette output */
static const double levels[4] = { 0.0, -1.0, 0.0, 1.0 }; static const double levels[4] = { 0.0, -1.0, 0.0, 1.0 };
static int init = 0;
m_cassette->change_state(( data & 4 ) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR ); m_cassette->change_state(( data & 4 ) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR );
m_cassette->output(levels[data & 3]); m_cassette->output(levels[data & 3]);
@ -600,6 +601,13 @@ WRITE8_MEMBER( trs80_state::trs80_ff_w )
m_mode = (m_mode & 0xfe) | ((data & 8) >> 3); m_mode = (m_mode & 0xfe) | ((data & 8) >> 3);
if (!init)
{
init = 1;
static INT16 speaker_levels[4] = { 0, -32768, 0, 32767 };
m_speaker->static_set_levels(*m_speaker, 4, speaker_levels);
}
/* Speaker for System-80 MK II - only sounds if relay is off */ /* Speaker for System-80 MK II - only sounds if relay is off */
if (~data & 4) if (~data & 4)
m_speaker->level_w(data & 3); m_speaker->level_w(data & 3);