Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-08 05:44:09 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

alpha68k_n.cpp: Corrected audio clock for sstingry. (#9382)

Browse Source 
Changed sstingry audio clocks to match recording from PCB.

Also changed second and third sound chips for sstingray and kyros to AY-3-8910 based on PCB photos.
This commit is contained in:
negunma 2022-03-11 03:06:41 +09:00 committed by GitHub
parent a091e1616b
commit 4536b6fbb7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/mame/drivers/alpha68k_n.cpp
View File

@ -430,11 +430,11 @@ void sstingray_state::sound_map(address_map &map)
void alpha68k_N_state::sound_iomap(address_map &map) void alpha68k_N_state::sound_iomap(address_map &map)
{ {
map.global_mask(0xff); map.global_mask(0xff);
map(0x10, 0x11).w("ym1", FUNC(ym2203_device::write)); map(0x10, 0x11).w("ym", FUNC(ym2203_device::write));
map(0x80, 0x80).w("ym2", FUNC(ym2203_device::data_w)); map(0x80, 0x80).w("aysnd1", FUNC(ay8910_device::data_w));
map(0x81, 0x81).w("ym2", FUNC(ym2203_device::address_w)); map(0x81, 0x81).w("aysnd1", FUNC(ay8910_device::address_w));
map(0x90, 0x90).w("ym3", FUNC(ym2203_device::data_w)); map(0x90, 0x90).w("aysnd2", FUNC(ay8910_device::data_w));
map(0x91, 0x91).w("ym3", FUNC(ym2203_device::address_w)); map(0x91, 0x91).w("aysnd2", FUNC(ay8910_device::address_w));
} }
void jongbou_state::sound_map(address_map &map) void jongbou_state::sound_map(address_map &map)
@ -758,16 +758,15 @@ void sstingray_state::sstingry(machine_config &config)
GFXDECODE(config, m_gfxdecode, m_palette, gfx_sstingry); GFXDECODE(config, m_gfxdecode, m_palette, gfx_sstingry);
video_config(config, 0x40, 0, true); video_config(config, 0x40, 0, true);
/* sound hardware */ // sound hardware
ym2203_device &ym(YM2203(config, "ym", 2'000'000)); // Verified from video by PCB, 24MHz/12?
ym.add_route(ALL_OUTPUTS, "speaker", 0.30);
ym2203_device &ym1(YM2203(config, "ym1", 3000000)); ay8910_device &aysnd1(AY8910(config, "aysnd1", 2'000'000)); // Verified from video by PCB, 24MHz/12?
ym1.add_route(ALL_OUTPUTS, "speaker", 0.30); aysnd1.add_route(ALL_OUTPUTS, "speaker", 0.30);
ym2203_device &ym2(YM2203(config, "ym2", 3000000)); ay8910_device &aysnd2(AY8910(config, "aysnd2", 2'000'000)); // Verified from video by PCB, 24MHz/12?
ym2.add_route(ALL_OUTPUTS, "speaker", 0.30); aysnd2.add_route(ALL_OUTPUTS, "speaker", 0.45);
ym2203_device &ym3(YM2203(config, "ym3", 3000000));
ym3.add_route(ALL_OUTPUTS, "speaker", 0.45);
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.50); // unknown DAC DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.50); // unknown DAC
} }
@ -792,15 +791,15 @@ void kyros_state::kyros(machine_config &config)
GFXDECODE(config, m_gfxdecode, m_palette, gfx_kyros); GFXDECODE(config, m_gfxdecode, m_palette, gfx_kyros);
/* sound hardware */ // sound hardware
ym2203_device &ym1(YM2203(config, "ym1", 24_MHz_XTAL / 12)); /* Verified on bootleg PCB */ ym2203_device &ym(YM2203(config, "ym", 24_MHz_XTAL / 12)); // Verified on bootleg PCB
ym1.add_route(ALL_OUTPUTS, "speaker", 0.30); ym.add_route(ALL_OUTPUTS, "speaker", 0.30);
ym2203_device &ym2(YM2203(config, "ym2", 24_MHz_XTAL / 12)); /* Verified on bootleg PCB */ ay8910_device &aysnd1(AY8910(config, "aysnd1", 24_MHz_XTAL / 12)); // Verified on bootleg PCB
ym2.add_route(ALL_OUTPUTS, "speaker", 0.30); aysnd1.add_route(ALL_OUTPUTS, "speaker", 0.30);
ym2203_device &ym3(YM2203(config, "ym3", 24_MHz_XTAL / 12)); /* Verified on bootleg PCB */ ay8910_device &aysnd2(AY8910(config, "aysnd2", 24_MHz_XTAL / 12)); // Verified on bootleg PCB
ym3.add_route(ALL_OUTPUTS, "speaker", 0.6); aysnd2.add_route(ALL_OUTPUTS, "speaker", 0.6);
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.50); // unknown DAC DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.50); // unknown DAC
} }