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sg1000a.cpp: PSG is SN76489AN, just like the console (nw)

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This commit is contained in:
AJR 2017-02-19 17:40:08 -05:00
parent cfdd1abaf2
commit 18ead3f434
1 changed files with 5 additions and 5 deletions
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10
src/mame/drivers/sg1000a.cpp
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@ -21,11 +21,11 @@ Z80 A 3.57954 MHz (Champion Boxing)
8255 for I/O port work
3 Eproms for program and graphics
TMM2064 for program RAM
TMS9928 for graphics ( 3.57954 MHz? )
TMS9928ANL for graphics ( 3.57954 MHz? )
8 8118 dynamic RAMs for the graphics
74LS139 and 74LS32 for logic gating
ULN2003 for coin counter output
76489 for music
ULN2003AN for coin counter output
SN76489AN for music
7808 voltage regulator to a transistorized circuit for TV output
secondary crystal, numbers unknown for the TMS9928
@ -154,7 +154,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, sg1000a_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x7f, 0x7f) AM_DEVWRITE("snsnd", sn76489_device, write)
AM_RANGE(0x7f, 0x7f) AM_DEVWRITE("snsnd", sn76489a_device, write)
AM_RANGE(0xbe, 0xbe) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write)
AM_RANGE(0xbf, 0xbf) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write)
AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
@ -281,7 +281,7 @@ static MACHINE_CONFIG_START( sg1000a, sg1000a_state )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("snsnd", SN76489, XTAL_3_579545MHz)
MCFG_SOUND_ADD("snsnd", SN76489A, XTAL_3_579545MHz)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END