diff options
-rw-r--r-- | src/mame/drivers/ladyfrog.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mame/drivers/ladyfrog.cpp b/src/mame/drivers/ladyfrog.cpp index fd79cf25778..f90b72446b3 100644 --- a/src/mame/drivers/ladyfrog.cpp +++ b/src/mame/drivers/ladyfrog.cpp @@ -53,6 +53,8 @@ Notes: #include "cpu/z80/z80.h" #include "sound/ay8910.h" +#include "sound/dac.h" +#include "sound/volt_reg.h" #include "screen.h" #include "speaker.h" @@ -145,7 +147,7 @@ static ADDRESS_MAP_START( ladyfrog_sound_map, AS_PROGRAM, 8, ladyfrog_state ) AM_RANGE(0xd000, 0xd000) AM_DEVREAD("soundlatch", generic_latch_8_device, read) AM_WRITE(to_main_w) AM_RANGE(0xd200, 0xd200) AM_READNOP AM_WRITE(nmi_enable_w) AM_RANGE(0xd400, 0xd400) AM_WRITE(nmi_disable_w) - AM_RANGE(0xd600, 0xd600) AM_WRITENOP + AM_RANGE(0xd600, 0xd600) AM_READNOP AM_DEVWRITE("dac", dac_byte_interface, write) /* signed 8-bit DAC - unknown read */ AM_RANGE(0xe000, 0xefff) AM_NOP ADDRESS_MAP_END @@ -331,6 +333,10 @@ static MACHINE_CONFIG_START( ladyfrog ) // pin 1 SOLO 8' not mapped // pin 2 SOLO 16' not mapped // pin 22 Noise Output not mapped + + MCFG_SOUND_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 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 static MACHINE_CONFIG_DERIVED( toucheme, ladyfrog ) |