diff options
author | smf- <smf-@users.noreply.github.com> | 2016-10-17 16:03:29 +0100 |
---|---|---|
committer | smf- <smf-@users.noreply.github.com> | 2016-10-17 16:04:02 +0100 |
commit | 36944269bd6fe1fb47822a2112c524b13c4b27f2 (patch) | |
tree | c1b29a760bb9a1e222a9390fbc34fe09d407ae91 /src/mame/drivers/pastelg.cpp | |
parent | 8676fc0d8dd0c3ccf2925075d86338da099ce148 (diff) |
DAC WIP, started documenting the DACs in use. [smf]
ataxx: Fixed missing sound channel caused by one dac not being hooked up and one dac being hooked up to two addresses.
bestbest: Fixed high pitch screech caused by incorrect addressing (two dacs weren't hooked up and two were hooked up to two addresses).
cchasm: Fixed static noise generation caused by feeding the same bit to both dacs.
cheekyms: Slightly improved sound by implementing sound triggers as 8 x 1 bit dacs instead of 1 x 8 bit dac.
galeb: Fixed sound by implementing it according to http://www.deltasoft.com.hr/retro/galebemu.htm & implemented enough of LOAD/SAVE to stop it hanging.
hard drivin: (all games in driver) Improved 12 bit controls, although centre still goes out of sync.
mea8000: Converted to a sound device.
megaphx: Fixed noisy samples due to wrong format.
microvsn: Fixed sound pitch caused by incorrect usage of write_signed8().
seicross: Changed to a 4 bit dac as samples are packed nibble.
spaceg: Preliminary sound using space invaders samples.
suna8: Changed to a 4 bit dac as samples are packed nibble.
vcombat: Fixed static during machine gun fire due to incorrect dc offset removal.
vectrex: Fixed noisy samples due to wrong format.
wheelfir: Fixed sound, eeprom & analogue steering wheel and brake pedal.
Diffstat (limited to 'src/mame/drivers/pastelg.cpp')
-rw-r--r-- | src/mame/drivers/pastelg.cpp | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/src/mame/drivers/pastelg.cpp b/src/mame/drivers/pastelg.cpp index 10c1a2204f5..63c9261496a 100644 --- a/src/mame/drivers/pastelg.cpp +++ b/src/mame/drivers/pastelg.cpp @@ -23,19 +23,12 @@ Memo: ******************************************************************************/ #include "emu.h" +#include "includes/pastelg.h" #include "cpu/z80/z80.h" +#include "machine/nvram.h" #include "sound/ay8910.h" #include "sound/dac.h" -#include "includes/pastelg.h" -#include "machine/nvram.h" - - -#define SIGNED_DAC 0 // 0:unsigned DAC, 1:signed DAC -#if SIGNED_DAC -#define DAC_WRITE write_signed8 -#else -#define DAC_WRITE write_unsigned8 -#endif +#include "sound/volt_reg.h" void pastelg_state::machine_start() @@ -73,7 +66,7 @@ static ADDRESS_MAP_START( pastelg_io_map, AS_IO, 8, pastelg_state ) AM_RANGE(0xb0, 0xb0) AM_DEVREAD("nb1413m3", nb1413m3_device, inputport2_r) AM_WRITE(pastelg_romsel_w) AM_RANGE(0xc0, 0xc0) AM_READ(pastelg_sndrom_r) AM_RANGE(0xc0, 0xcf) AM_WRITEONLY AM_SHARE("clut") - AM_RANGE(0xd0, 0xd0) AM_READ(pastelg_irq_ack_r) AM_DEVWRITE("dac", dac_device, write_unsigned8) + AM_RANGE(0xd0, 0xd0) AM_READ(pastelg_irq_ack_r) AM_DEVWRITE("dac", dac_byte_interface, write) AM_RANGE(0xe0, 0xe0) AM_READ_PORT("DSWC") ADDRESS_MAP_END @@ -126,7 +119,7 @@ static ADDRESS_MAP_START( threeds_io_map, AS_IO, 8, pastelg_state ) AM_RANGE(0xb0, 0xb0) AM_READ(threeds_inputport2_r) AM_WRITE(threeds_output_w)//writes: bit 3 is coin lockout, bit 1 is coin counter AM_RANGE(0xc0, 0xcf) AM_WRITEONLY AM_SHARE("clut") AM_RANGE(0xc0, 0xc0) AM_READ(threeds_rom_readback_r) - AM_RANGE(0xd0, 0xd0) AM_READ(pastelg_irq_ack_r) AM_DEVWRITE("dac", dac_device, write_unsigned8) + AM_RANGE(0xd0, 0xd0) AM_READ(pastelg_irq_ack_r) AM_DEVWRITE("dac", dac_byte_interface, write) ADDRESS_MAP_END static INPUT_PORTS_START( pastelg ) @@ -425,15 +418,16 @@ static MACHINE_CONFIG_START( pastelg, pastelg_state ) MCFG_PALETTE_INIT_OWNER(pastelg_state, pastelg) /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("aysnd", AY8910, 1250000) MCFG_AY8910_PORT_A_READ_CB(IOPORT("DSWB")) MCFG_AY8910_PORT_B_READ_CB(IOPORT("DSWA")) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.35) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.35) - MCFG_DAC_ADD("dac") - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) // unknown DAC + MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) + MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT) MACHINE_CONFIG_END /* @@ -483,15 +477,16 @@ static MACHINE_CONFIG_START( threeds, pastelg_state ) MCFG_PALETTE_INIT_OWNER(pastelg_state, pastelg) /* sound hardware */ - MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SPEAKER_STANDARD_MONO("speaker") MCFG_SOUND_ADD("aysnd", AY8910, 1250000) MCFG_AY8910_PORT_A_READ_CB(IOPORT("DSWB")) MCFG_AY8910_PORT_B_READ_CB(IOPORT("DSWA")) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.35) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.35) - MCFG_DAC_ADD("dac") - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) + MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.25) // unknown DAC + MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) + MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT) MACHINE_CONFIG_END |