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Merge pull request #35 from shattered/_dcd0ca6

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Allow sound output if 8253 is never programmed, i.e. all output is done ...
This commit is contained in:
Miodrag Milanović 2014-11-05 16:39:44 +01:00
commit 826195bcec
6 changed files with 6 additions and 5 deletions
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2
src/emu/bus/lpci/southbridge.c
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@ -203,7 +203,7 @@ void southbridge_device::device_start()
void southbridge_device::device_reset() void southbridge_device::device_reset()
{ {
m_at_spkrdata = 0; m_at_spkrdata = 0;
m_pit_out2 = 0; m_pit_out2 = 1;
m_dma_channel = -1; m_dma_channel = -1;
m_cur_eop = false; m_cur_eop = false;
m_nmi_enabled = 0; m_nmi_enabled = 0;

2
src/mame/drivers/pcxt.c
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@ -685,7 +685,7 @@ void pcxt_state::machine_reset()
m_lastvalue = -1; m_lastvalue = -1;
m_pc_spkrdata = 0; m_pc_spkrdata = 0;
m_pit_out2 = 0; m_pit_out2 = 1;
m_wss2_data = 0; m_wss2_data = 0;
m_speaker->level_w(0); m_speaker->level_w(0);
} }

2
src/mess/drivers/pasogo.c
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@ -688,7 +688,7 @@ void pasogo_state::machine_reset()
m_u73_q2 = 0; m_u73_q2 = 0;
m_out1 = 2; // initial state of pit output is undefined m_out1 = 2; // initial state of pit output is undefined
m_pc_spkrdata = 0; m_pc_spkrdata = 0;
m_pit_out2 = 0; m_pit_out2 = 1;
m_dma_channel = -1; m_dma_channel = -1;
m_cur_eop = false; m_cur_eop = false;
} }

1
src/mess/drivers/pc1512.c
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@ -1131,6 +1131,7 @@ void pc1512_state::machine_reset()
m_nmi_enable = 0; m_nmi_enable = 0;
m_toggle = 0; m_toggle = 0;
m_kb_bits = 0; m_kb_bits = 0;
m_pit2 = 1;
m_lpen = 0; m_lpen = 0;
m_blink = 0; m_blink = 0;

2
src/mess/machine/at.c
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@ -300,7 +300,7 @@ MACHINE_START_MEMBER(at_state,at)
MACHINE_RESET_MEMBER(at_state,at) MACHINE_RESET_MEMBER(at_state,at)
{ {
m_at_spkrdata = 0; m_at_spkrdata = 0;
m_pit_out2 = 0; m_pit_out2 = 1;
m_dma_channel = -1; m_dma_channel = -1;
m_cur_eop = false; m_cur_eop = false;
} }

2
src/mess/machine/genpc.c
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@ -572,7 +572,7 @@ void ibm5160_mb_device::device_reset()
m_u73_q2 = 0; m_u73_q2 = 0;
m_out1 = 2; // initial state of pit output is undefined m_out1 = 2; // initial state of pit output is undefined
m_pc_spkrdata = 0; m_pc_spkrdata = 0;
m_pit_out2 = 0; m_pit_out2 = 1;
m_dma_channel = -1; m_dma_channel = -1;
m_cur_eop = false; m_cur_eop = false;
memset(m_dma_offset,0,sizeof(m_dma_offset)); memset(m_dma_offset,0,sizeof(m_dma_offset));