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ymz774: assume each sequencer have its own current bank (nw)

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This commit is contained in:
MetalliC 2017-11-30 12:51:59 +02:00
parent f24f509165
commit 29825789a8
2 changed files with 11 additions and 0 deletions
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10
src/devices/sound/ymz770.cpp
View File

@ -107,6 +107,7 @@ void ymz770_device::device_start()
save_item(NAME(m_sequences[ch].timer), ch);
save_item(NAME(m_sequences[ch].stopchan), ch);
save_item(NAME(m_sequences[ch].loop), ch);
save_item(NAME(m_sequences[ch].bank), ch);
save_item(NAME(m_sequences[ch].is_playing), ch);
}
}
@ -140,6 +141,7 @@ void ymz770_device::device_reset()
sequence.timer = 0;
sequence.stopchan = 0;
sequence.loop = 0;
sequence.bank = 0;
sequence.is_playing = false;
}
}
@ -626,7 +628,13 @@ void ymz774_device::sequencer()
case 0xfe: // timer delay
sequence.delay = sequence.timer * 32; // possible needed -1 or +(32-1)
break;
case 0xf0:
sequence.bank = data & 1;
break;
default:
{
uint8_t temp = m_bank;
m_bank = sequence.bank;
if (m_bank == 0 && reg >= 0x60 && reg < 0xb0) // if we hit SEQ registers need to add this sequence offset
{
int sqn = i;
@ -636,6 +644,8 @@ void ymz774_device::sequencer()
}
else
internal_reg_write(reg, data);
m_bank = temp;
}
break;
}
}

1
src/devices/sound/ymz770.h
View File

@ -101,6 +101,7 @@ protected:
uint16_t stopchan;
uint8_t loop;
uint8_t *data;
uint8_t bank;
bool is_playing;
};