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Fix frequency for X1-010 and add a note.

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I know PhilB is working on a totally new driver, but this should be fixed anyways. It's a very small change, but fixes a lot of things and breaks nothing as far as I can tell.
This commit is contained in:
Alex Marshall 2014-10-25 03:49:53 -07:00
parent 797ef55e2f
commit d0b49b2407
1 changed files with 3 additions and 2 deletions
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5
src/emu/sound/x1_010.c
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@ -212,8 +212,9 @@ void x1_010_device::sound_stream_update(sound_stream &stream, stream_sample_t **
volL = ((reg->volume>>4)&0xf)*VOL_BASE;
volR = ((reg->volume>>0)&0xf)*VOL_BASE;
smp_offs = m_smp_offset[ch];
freq = reg->frequency&0x1f;
// Meta Fox does not write the frequency register. Ever
freq = reg->frequency;
// Meta Fox does write the frequency register, but this is a hack to make it "work" with the current setup
// This is broken for Arbalester (it writes 8), but that'll be fixed later.
if( freq == 0 ) freq = 4;
smp_step = (UINT32)((float)m_base_clock/8192.0
*freq*(1<<FREQ_BASE_BITS)/(float)m_rate);