diff options
Diffstat (limited to 'scumm/imuse.cpp')
| -rw-r--r-- | scumm/imuse.cpp | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/scumm/imuse.cpp b/scumm/imuse.cpp index 9befbfb88d..2ddc031a44 100644 --- a/scumm/imuse.cpp +++ b/scumm/imuse.cpp @@ -1117,22 +1117,33 @@ void IMuseInternal::initMidiDriver (MidiDriver *midi) { if (result) error("IMuse initialization - ", MidiDriver::getErrorName(result)); - // Display a welcome message on MT-32 displays. - byte welcome[] = { - 0x41, 0x10, 0x16, 0x12, 0x20, 0x00, 0x00, - ' ','W','e','l','c','o','m','e',' ','t','o',' ','S','c','u','m','m','V','M',' ', - 0 - }; - byte checksum = 0; - for (int i = 4; i < ARRAYSIZE(welcome) - 1; ++i) - checksum -= welcome[i]; - welcome[ARRAYSIZE(welcome)-1] = checksum & 0x7F; - midi->sysEx (welcome, ARRAYSIZE(welcome)); + // In case we have an MT-32 attached. + initMT32 (midi); // Connect to the driver's timer midi->setTimerCallback (midi, &IMuseInternal::midiTimerCallback); } +void IMuseInternal::initMT32 (MidiDriver *midi) { + byte buffer[32] = "\x41\x10\x16\x12\x00\x00\x00 "; + + // Reset the MT-32 + memcpy (&buffer[4], "\x7f\x00\x00\x01\x00", 5); + midi->sysEx (buffer, 9); + + // Display a welcome message on MT-32 displays. + memcpy (&buffer[4], "\x20\x00\x00", 3); + memcpy (&buffer[7], " ", 20); + memcpy (&buffer + 7 + (20 - strlen ("ScummVM " SCUMMVM_VERSION)) / 2, + "ScummVM " SCUMMVM_VERSION, + strlen ("ScummVM " SCUMMVM_VERSION)); + byte checksum = 0; + for (int i = 4; i < 27; ++i) + checksum -= buffer[i]; + buffer[27] = checksum; + midi->sysEx (buffer, 28); +} + void IMuseInternal::init_queue() { _queue_adding = false; _queue_pos = 0; |