From a61d1ba6987c92f8557aad86490042117ffdefa2 Mon Sep 17 00:00:00 2001 From: AJR Date: Thu, 15 Jun 2017 10:30:03 -0400 Subject: ay8910.cpp: Document device names (nw) --- src/devices/sound/ay8910.cpp | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/src/devices/sound/ay8910.cpp b/src/devices/sound/ay8910.cpp index 9eab30544e8..8fc807939d5 100644 --- a/src/devices/sound/ay8910.cpp +++ b/src/devices/sound/ay8910.cpp @@ -380,7 +380,7 @@ AY-3-8913: [4] This is claimed to be equivalent to TEST 2 on the datasheet -AY-3-8910/A: 2 I/O ports +GI AY-3-8910/A Programmable Sound Generator (PSG): 2 I/O ports A7 thru A4 enable state for selecting a register can be changed with a factory mask adjustment but default was 0000 for the "common" part shipped (probably die "-100"). @@ -392,7 +392,7 @@ AY-3-8910/A: 2 I/O ports AY-3-8910 die is labeled "90-32033" with a 1979 copyright and a "-100" die code. AY-3-8910A die is labeled "90-32128" with a 1983 copyright. -AY-3-8912/A: 1 I/O port +GI AY-3-8912/A: 1 I/O port /A9 pin doesn't exist and is considered pulled low. TEST2 pin doesn't exist and is considered pulled high. IOB pins do not exist and have unknown behavior if driven high/low and read @@ -411,7 +411,7 @@ AY-3-8913: 0 I/O ports factory mask adjustment but default was 0000 for the "common" part shipped AY-3-8913: Unused bits in registers have unknown behavior. AY-3-8913 die is unknown. -AY-3-8914/A: 2 I/O ports +GI AY-3-8914/A: 2 I/O ports A7 thru A4 enable state for selecting a register can be changed with a factory mask adjustment but was 0000 for the part shipped with the Intellivision. @@ -430,7 +430,7 @@ AY-3-8914/A: 2 I/O ports I/O current source/sink behavior is unknown. AY-3-8914 die is labeled "90-32022" with a 1978 copyright. AY-3-8914A die is unknown. -AY-3-8916: 2 I/O ports +GI AY-3-8916: 2 I/O ports A7 thru A4 enable state for selecting a register can be changed with a factory mask adjustment; its mask is unknown. This chip was shipped with certain later Intellivision II systems. @@ -440,7 +440,7 @@ AY-3-8916: 2 I/O ports AY-3-8916: Unused bits in registers have unknown behavior. I/O current source/sink behavior is unknown. AY-3-8916 die is unknown. -AY-3-8917: 2 I/O ports +GI AY-3-8917: 2 I/O ports A7 thru A4 enable state for selecting a register can be changed with a factory mask adjustment but was 1111 for the part shipped with the Intellivision ECS module. @@ -450,7 +450,7 @@ AY-3-8917: 2 I/O ports AY-3-8917: Unused bits in registers have unknown behavior. I/O current source/sink behavior is unknown. AY-3-8917 die is unknown. -AY8930: 2 I/O ports +Microchip AY8930 Enhanced Programmable Sound Generator (EPSG): 2 I/O ports BC2 pin exists but is always considered pulled high. The pin might have no bond wire at all. Pins 2 and 5 might be additional test pins rather than being NC. @@ -471,7 +471,7 @@ AY8930: 2 I/O ports explicitly states that unused bits always read as 0. I/O current source/sink behavior is unknown. AY8930 die is unknown. -YM2149: 2 I/O ports +Yamaha YM2149 Software-Controlled Sound Generator (SSG): 2 I/O ports A7 thru A4 enable state for selecting a register are 0000 for all? parts shipped. Pins 24 and 25 are /A9, A8 which are an active low and high chip enable. @@ -483,7 +483,7 @@ YM2149: 2 I/O ports I/O current source/sink behavior is unknown. YM2149 die is unknown; only one die revision, 'G', has been observed from Yamaha chip/datecode silkscreen surface markings. -YM2203: 2 I/O ports +Yamaha YM2203: 2 I/O ports The pinout of this chip is completely different from the AY-3-8910. The entire way this chip is accessed is completely different from the usual AY-3-8910 selection of chips, so there is a /CS and a /RD and a /WR and @@ -498,13 +498,13 @@ YM2203: 2 I/O ports from Yamaha chip/datecode silkscreen surface markings. It is unknown what behavioral differences exist between these two revisions. The 'F' revision only appears during the first year of production. -YM3439: limited info: CMOS version of YM2149? -YMZ284: limited info: 0 I/O port, different clock divider +Yamaha YM3439: limited info: CMOS version of YM2149? +Yamaha YMZ284: limited info: 0 I/O port, different clock divider The chip selection logic is again simplified here: pin 1 is /WR, pin 2 is /CS and pin 3 is A0. D0-D7 are conveniently all on one side of the 16-pin package. Pin 8 is /IC (initial clear), with an internal pullup. -YMZ294: limited info: 0 I/O port +Yamaha YMZ294: limited info: 0 I/O port Pinout is identical to YMZ284 except for two additions: pin 8 selects between 4MHz (H) and 6MHz (L), while pin 10 is /TEST. OKI M5255, Winbond WF19054, JFC 95101, File KC89C72, Toshiba T7766A : differences to be listed @@ -1466,7 +1466,7 @@ WRITE8_MEMBER( ay8914_device::write ) -DEFINE_DEVICE_TYPE(AY8910, ay8910_device, "ay8910", "AY-3-8910A") +DEFINE_DEVICE_TYPE(AY8910, ay8910_device, "ay8910", "AY-3-8910A PSG") ay8910_device::ay8910_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, AY8910, tag, owner, clock, PSG_TYPE_AY, 3, 2) @@ -1539,7 +1539,7 @@ void ay8910_device::set_type(psg_type_t psg_type) } } -DEFINE_DEVICE_TYPE(AY8912, ay8912_device, "ay8912", "AY-3-8912A") +DEFINE_DEVICE_TYPE(AY8912, ay8912_device, "ay8912", "AY-3-8912A PSG") ay8912_device::ay8912_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, AY8912, tag, owner, clock, PSG_TYPE_AY, 3, 1) @@ -1547,7 +1547,7 @@ ay8912_device::ay8912_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(AY8913, ay8913_device, "ay8913", "AY-3-8913A") +DEFINE_DEVICE_TYPE(AY8913, ay8913_device, "ay8913", "AY-3-8913 PSG") ay8913_device::ay8913_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, AY8913, tag, owner, clock, PSG_TYPE_AY, 3, 0) @@ -1555,7 +1555,7 @@ ay8913_device::ay8913_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(AY8914, ay8914_device, "ay8914", "AY-3-8914A") +DEFINE_DEVICE_TYPE(AY8914, ay8914_device, "ay8914", "AY-3-8914A PSG") ay8914_device::ay8914_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, AY8914, tag, owner, clock, PSG_TYPE_AY, 3, 2) @@ -1563,7 +1563,7 @@ ay8914_device::ay8914_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(AY8930, ay8930_device, "ay8930", "AY-3-8930A") +DEFINE_DEVICE_TYPE(AY8930, ay8930_device, "ay8930", "AY8930 EPSG") ay8930_device::ay8930_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, AY8930, tag, owner, clock, PSG_TYPE_AY, 3, 2) @@ -1571,7 +1571,7 @@ ay8930_device::ay8930_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(YM2149, ym2149_device, "ym2149", "YM2149") +DEFINE_DEVICE_TYPE(YM2149, ym2149_device, "ym2149", "YM2149 SSG") ym2149_device::ym2149_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, YM2149, tag, owner, clock, PSG_TYPE_YM, 3, 2) @@ -1579,7 +1579,7 @@ ym2149_device::ym2149_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(YM3439, ym3439_device, "ym3439", "YM3439") +DEFINE_DEVICE_TYPE(YM3439, ym3439_device, "ym3439", "YM3439 SSGC") ym3439_device::ym3439_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, YM3439, tag, owner, clock, PSG_TYPE_YM, 3, 2) @@ -1587,7 +1587,7 @@ ym3439_device::ym3439_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(YMZ284, ymz284_device, "ymz284", "YMZ284") +DEFINE_DEVICE_TYPE(YMZ284, ymz284_device, "ymz284", "YMZ284 SSGL") ymz284_device::ymz284_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, YMZ284, tag, owner, clock, PSG_TYPE_YM, 1, 0) @@ -1595,7 +1595,7 @@ ymz284_device::ymz284_device(const machine_config &mconfig, const char *tag, dev } -DEFINE_DEVICE_TYPE(YMZ294, ymz294_device, "ymz294", "YMZ294") +DEFINE_DEVICE_TYPE(YMZ294, ymz294_device, "ymz294", "YMZ294 SSGLP") ymz294_device::ymz294_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ay8910_device(mconfig, YMZ294, tag, owner, clock, PSG_TYPE_YM, 1, 0) -- cgit v1.2.3