void Player_AD::setupRhythm(uint rhythmInstr, uint instrOffset) {
if (rhythmInstr == 1) {
setupChannel(6, _musicData + instrOffset);
writeReg(0xA6, _musicData[instrOffset++]);
writeReg(0xB6, _musicData[instrOffset] & 0xDF);
_mdvdrState |= 0x10;
writeReg(0xBD, _mdvdrState);
} else if (rhythmInstr < 6) {
const byte *secondOperatorOffset = _musicData + instrOffset + 8;
setupOperator(_rhythmOperatorTable[rhythmInstr], secondOperatorOffset);
writeReg(0xA0 + _rhythmChannelTable[rhythmInstr], _musicData[instrOffset++]);
writeReg(0xB0 + _rhythmChannelTable[rhythmInstr], _musicData[instrOffset++] & 0xDF);
writeReg(0xC0 + _rhythmChannelTable[rhythmInstr], _musicData[instrOffset]);
_mdvdrState |= _mdvdrTable[rhythmInstr];
writeReg(0xBD, _mdvdrState);
}
}
void MusicPlayer::setupRhythm(uint8_t rhythmInstr, uint16_t instrOffset) {
if (rhythmInstr == 1) {
setupChannel(6, instrOffset);
writeReg(0xA6, _file.at(instrOffset++));
writeReg(0xB6, _file.at(instrOffset) & 0xDF);
_mdvdrState |= 0x10;
writeReg(0xBD, _mdvdrState);
} else if (rhythmInstr < 6) {
uint16_t secondOperatorOffset = instrOffset + 8;
setupOperator(_rhythmOperatorTable[rhythmInstr], secondOperatorOffset);
writeReg(0xA0 + _rhythmChannelTable[rhythmInstr], _file.at(instrOffset++));
writeReg(0xB0 + _rhythmChannelTable[rhythmInstr], _file.at(instrOffset++) & 0xDF);
writeReg(0xC0 + _rhythmChannelTable[rhythmInstr], _file.at(instrOffset));
_mdvdrState |= _mdvdrTable[rhythmInstr];
writeReg(0xBD, _mdvdrState);
} else {
// throw range error
}
}
void Player_AD::setupChannel(const uint channel, const byte *instrOffset) {
instrOffset += 2;
writeReg(0xC0 + channel, *instrOffset++);
setupOperator(_operatorOffsetTable[channel * 2 + 0], instrOffset);
setupOperator(_operatorOffsetTable[channel * 2 + 1], instrOffset);
}
