From aba3741c639f9e3a517951b5239fb80cbed5b062 Mon Sep 17 00:00:00 2001 From: Electric Keet Date: Sat, 27 Sep 2025 22:26:38 -0700 Subject: [PATCH] Doc corrections. --- doc/7-systems/msm6295.md | 4 +++- doc/7-systems/ym2610.md | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/doc/7-systems/msm6295.md b/doc/7-systems/msm6295.md index 89f778376..0ed7857a7 100644 --- a/doc/7-systems/msm6295.md +++ b/doc/7-systems/msm6295.md @@ -2,7 +2,7 @@ this chip is an upgrade from the MSM6258 in that it provides 4 ADPCM channels at a fixed output rate up to 32 KHz depending on clock rate. between the late '80s and late '90s, it was one of the most common, if not _the_ most common soundchip used in arcade machines: Capcom, Toaplan, Kaneko, Atari, Tecmo, the list can go on and on... -without bankswitching, the chip supports 256kB of sample RAM and can hold up to 127 samples at once. Each sample can be up to 63KB. +without bankswitching, the chip supports 256kB of sample RAM and can hold up to 127 samples at once. ## effects @@ -14,6 +14,8 @@ without bankswitching, the chip supports 256kB of sample RAM and can hold up to this chip uses the [MSM6295](../4-instrument/msm6295.md) instrument editor. +when not bankswitched, maximum sample length is 522240 samples. + ## chip clock rates like MSM6258, MSM6295 is an extremely basic ADPCM sound codec. it has no variable sample rate; it depends on clock rate of the chip itself. the clock can be divided by either 132 or by 165 to get the sample rates listed below: diff --git a/doc/7-systems/ym2610.md b/doc/7-systems/ym2610.md index 2a33a9af8..113f5aeb7 100644 --- a/doc/7-systems/ym2610.md +++ b/doc/7-systems/ym2610.md @@ -114,9 +114,9 @@ this chip uses the [FM (OPN)](../4-instrument/fm-opn.md), [AY-3-8910/SSG](../4-i sample lengths are padded to multiples of 512 samples. -ADPCM-A samples cannot loop, and have a fixed sample rate of the chip's clock divided by 432. +ADPCM-A samples have a maximum length of 2097152 samples, cannot loop, and have a fixed sample rate of the chip's clock divided by 432. -ADPCM-B samples have a maximum length of 2097152 samples, and loop points are ignored; they may only loop over the entire sample. these have a maximum sample rate of the chip's clock speed divided by 144. +ADPCM-B sample loop points are ignored; they may only loop over the entire sample. these have a maximum sample rate of the chip's clock speed divided by 144. ## extended channel 2