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attache: switched the level of the operation strobe, now there is something resembling sound emitted from the PSG.

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This commit is contained in:
mahlemiut 2013-05-31 23:47:46 +00:00
parent 014690a744
commit 95ccaca2ca
1 changed files with 16 additions and 2 deletions
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18
src/mess/drivers/attache.c
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@ -336,9 +336,15 @@ READ8_MEMBER(attache_state::pio_portA_r)
{
case PIO_SEL_8910_DATA:
ret = m_psg->data_r(space,0);
logerror("PSG: data read %02x\n",ret);
break;
case PIO_SEL_5832_WRITE:
ret = m_rtc->data_r(space,0);
logerror("CMOS: read %02x (write)\n",ret);
break;
case PIO_SEL_5832_READ:
ret = m_rtc->data_r(space,0);
logerror("CMOS: read %02x\n",ret);
break;
case PIO_SEL_5101_WRITE:
ret = m_cmos_ram[m_cmos_select] & 0x0f;
@ -374,16 +380,20 @@ void attache_state::operation_strobe(address_space& space, UINT8 data)
{
case PIO_SEL_8910_ADDR:
m_psg->address_w(space,0,data);
logerror("PSG: address write %02x\n",data);
break;
case PIO_SEL_8910_DATA:
m_psg->data_w(space,0,data);
logerror("PSG: data write %02x\n",data);
break;
case PIO_SEL_5832_WRITE:
m_rtc->address_w((data & 0xf0) >> 4);
m_rtc->data_w(space,0,data & 0x0f);
logerror("CMOS: write %01x to %01x\n",data & 0x0f,(data & 0xf0) >> 4);
break;
case PIO_SEL_5832_READ:
m_rtc->address_w((data & 0xf0) >> 4);
logerror("CMOS: write %01x to %01x (read)\n",data & 0x0f,(data & 0xf0) >> 4);
break;
case PIO_SEL_5101_WRITE:
m_cmos_select = (m_cmos_select & 0xf0) | (data & 0x0f);
@ -439,7 +449,7 @@ WRITE8_MEMBER(attache_state::pio_portB_w)
//B5 = /'138 OPERATION STROBE
//B6 = /KEYBOARD DATA IN
//B7 = /KEYBOARD CLOCK OUT
if(!(data & 0x20) && (m_pio_portb & 0x20))
if((data & 0x20) && !(m_pio_portb & 0x20))
operation_strobe(space,m_pio_porta);
m_pio_portb = data;
m_pio_select = (data & 0x1c) >> 2;
@ -478,7 +488,6 @@ WRITE8_MEMBER(attache_state::display_data_w)
{
case DISP_CRTC:
tms9927_w(m_crtc,space,m_crtc_reg_select,data);
logerror("CRTC: write %02x to register %01x\n",data,m_crtc_reg_select);
break;
case DISP_ATTR:
m_attr_ram[(m_attr_line*128)+(param & 0x7f)] = data;
@ -821,6 +830,11 @@ void attache_state::driver_start()
void attache_state::machine_start()
{
// initialise RAM
memset(m_cmos_ram,0,64);
memset(m_attr_ram,0,128*32);
memset(m_char_ram,0,128*32);
// FDC callbacks
m_fdc->setup_intrq_cb(upd765a_device::line_cb(FUNC(attache_state::fdc_intrq_w), this));
m_fdc->setup_drq_cb(upd765a_device::line_cb(FUNC(attache_state::fdc_drq_w), this));