From d1cd540e7d41d11975de70951d8383098a06be5a Mon Sep 17 00:00:00 2001 From: Olivier Galibert Date: Sat, 21 Oct 2023 12:49:11 +0200 Subject: mu100: Some comments --- src/devices/sound/swp30.cpp | 2 +- src/mame/yamaha/ymmu100.cpp | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/src/devices/sound/swp30.cpp b/src/devices/sound/swp30.cpp index 3ff5a0f4067..46ebe70d0b3 100644 --- a/src/devices/sound/swp30.cpp +++ b/src/devices/sound/swp30.cpp @@ -33,7 +33,7 @@ static int scount = 0; per-channel values for AWM2, but parts are isolated and renumbered for MEG regisrers or for general control functions. - Names we'll use in th rest of the text: + Names we'll use in the rest of the text: - reg(y, x) is the register at address 2*(y*0x40 + x) - ch is reg(channel, nn) for a given AWG2 channel - sy is reg(nn/2, 0xe + (nn % 2)) diff --git a/src/mame/yamaha/ymmu100.cpp b/src/mame/yamaha/ymmu100.cpp index b469b852493..d9191125e3a 100644 --- a/src/mame/yamaha/ymmu100.cpp +++ b/src/mame/yamaha/ymmu100.cpp @@ -2,9 +2,14 @@ // copyright-holders:R. Belmont, Olivier Galibert /************************************************************************************* - Yamaha MU-80 and MU-100 : 32-voice polyphonic/multitimbral General MIDI/GS/XG tone modules + Yamaha MU-100 : 32-part, 64-voice polyphonic/multitimbral General MIDI/GS/XG + tone module Preliminary driver by R. Belmont and O. Galibert + The successor to the mu90, uses the same one-chip SWP30 with a better sample rom. + Exists in rackable (mu100r) and screenless (mu100b), and single board (xt446) + variants. + MU100 CPU: Hitachi H8S/2655 (HD6432655F), strapped for mode 4 (24-bit address, 16-bit data, no internal ROM) Sound ASIC: Yamaha XS725A0/SWP30 RAM: 1 MSM51008 (1 meg * 1 bit = 128KBytes) -- cgit v1.2.3