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(MESS) Applix: audio working somewhat

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This commit is contained in:
Robbbert 2013-05-29 11:07:47 +00:00
parent 67cf0cf47e
commit d6f867dfe1
1 changed files with 14 additions and 14 deletions
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28
src/mess/drivers/applix.c
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@ -14,6 +14,7 @@
Current Status:
After 60 seconds, boots to the ramdisk. You can enter commands.
If you have a floppy mounted, it will boot from the disk.
TODO:
- Cassette interface (coded but not working)
@ -22,7 +23,7 @@
- Optional serial device Z8530 Z80SCC
- Optional SCSI controller NCR5380 and hard drive (max 40mb)
- Joystick
- Sound to fix; code looks ok but system isn't sending data to latches
- Audio: it could be better
- DAC output is used to compare against analog inputs; core doesn't permit
audio outputs to be used for non-speaker purposes.
@ -194,16 +195,10 @@ d4,5,6 = audio select
d7 = cassette relay, low=on
*/
WRITE16_MEMBER( applix_state::analog_latch_w )
{//printf("A:%X ",data);
{
data &= 0xff;
if (data != m_analog_latch)
{
if ((data & 0x70) == 0)
m_dacr->write_unsigned8(m_dac_latch);
else
if ((data & 0x70) == 0x10)
m_dacl->write_unsigned8(m_dac_latch);
m_cass->change_state(
(BIT(data,7)) ? CASSETTE_MOTOR_DISABLED : CASSETTE_MOTOR_ENABLED, CASSETTE_MASK_MOTOR);
@ -211,11 +206,16 @@ WRITE16_MEMBER( applix_state::analog_latch_w )
}
}
// system not using this?
WRITE16_MEMBER( applix_state::dac_latch_w )
{//printf("B:%X ",data);
{
data &= 0xff;
m_dac_latch = data;
if ((m_analog_latch & 0x70) == 0) // right
m_dacr->write_unsigned8(m_dac_latch);
else
if ((m_analog_latch & 0x70) == 0x10) // left
m_dacl->write_unsigned8(m_dac_latch);
}
//cent = odd, video = even
@ -229,7 +229,7 @@ WRITE16_MEMBER( applix_state::palette_w )
}
WRITE16_MEMBER( applix_state::video_latch_w )
{//printf("%X ",data);
{
if (ACCESSING_BITS_0_7)
m_video_latch = data;
}
@ -280,7 +280,7 @@ d6 = /(out) reset keyboard by pulling kbd clock low
d7 = /(out) reset keyboard flipflop
*/
WRITE8_MEMBER( applix_state::applix_pa_w )
{//printf("pa=%X ",data);
{
// Reset flipflop counter
if (!BIT(data, 7))
m_clock_count = 0;
@ -900,9 +900,9 @@ static MACHINE_CONFIG_START( applix, applix_state )
/* sound hardware */
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD("dacl", DAC, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.75 )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 2.0 )
MCFG_SOUND_ADD("dacr", DAC, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.75 )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 2.0 )
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)