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whitestar - proper busy signal, enters service mode now (no whatsnew)

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This commit is contained in:
Miodrag Milanovic 2011-09-14 12:44:31 +00:00
parent 0a9bb6e4b4
commit 905523b7d9
1 changed files with 27 additions and 1 deletions
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28
src/mame/drivers/whitestar.c
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@ -34,6 +34,7 @@ public:
UINT8 m_dmd_latch;
UINT8 m_dmd_ctrl;
UINT8 m_dmd_status;
UINT8 m_dmd_busy;
UINT8 *m_vram;
@ -51,6 +52,10 @@ public:
DECLARE_WRITE8_MEMBER(bank_w);
DECLARE_WRITE8_MEMBER(dmd_bank_w);
DECLARE_READ8_MEMBER(dips_r);
DECLARE_READ8_MEMBER(switch_r);
DECLARE_WRITE8_MEMBER(switch_w);
virtual bool screen_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect);
};
@ -58,7 +63,10 @@ public:
static ADDRESS_MAP_START( whitestar_map, AS_PROGRAM, 8, whitestar_state )
AM_RANGE(0x0000, 0x1fff) AM_RAM
AM_RANGE(0x3100, 0x3100) AM_READ(dips_r)
AM_RANGE(0x3200, 0x3200) AM_WRITE(bank_w)
AM_RANGE(0x3300, 0x3300) AM_WRITE(switch_w)
AM_RANGE(0x3400, 0x3400) AM_READ(switch_r)
AM_RANGE(0x3600, 0x3600) AM_WRITE(dmd_latch_w)
AM_RANGE(0x3601, 0x3601) AM_READWRITE(dmd_ctrl_r, dmd_ctrl_w)
AM_RANGE(0x3700, 0x3700) AM_READ(dmd_status_r)
@ -67,6 +75,20 @@ static ADDRESS_MAP_START( whitestar_map, AS_PROGRAM, 8, whitestar_state )
AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("user1", 0x18000)
ADDRESS_MAP_END
READ8_MEMBER(whitestar_state::dips_r)
{
return 0;
}
READ8_MEMBER(whitestar_state::switch_r)
{
return 0;
}
WRITE8_MEMBER(whitestar_state::switch_w)
{
}
WRITE8_MEMBER(whitestar_state::bank_w)
{
memory_set_bankptr(machine(), "bank1", machine().region("user1")->base() + (data & 0x1f) * 0x4000);
@ -79,6 +101,7 @@ WRITE8_MEMBER(whitestar_state::dmd_bank_w)
READ8_MEMBER(whitestar_state::dmd_latch_r)
{
m_dmd_busy = 0;
device_set_input_line(m_dmdcpu, M6809_IRQ_LINE, CLEAR_LINE);
return m_dmd_latch;
}
@ -86,6 +109,8 @@ READ8_MEMBER(whitestar_state::dmd_latch_r)
WRITE8_MEMBER(whitestar_state::dmd_latch_w)
{
m_dmd_latch = data;
m_dmd_busy = 1;
device_set_input_line(m_dmdcpu, M6809_IRQ_LINE, CLEAR_LINE);
device_set_input_line(m_dmdcpu, M6809_IRQ_LINE, ASSERT_LINE);
}
@ -97,6 +122,7 @@ READ8_MEMBER(whitestar_state::dmd_ctrl_r)
WRITE8_MEMBER(whitestar_state::dmd_ctrl_w)
{
m_dmd_ctrl = data;
device_set_input_line(m_dmdcpu, M6809_IRQ_LINE, CLEAR_LINE);
if (data!=0) {
bank_w(space,0,0);
m_dmdcpu->reset();
@ -115,7 +141,7 @@ WRITE8_MEMBER(whitestar_state::dmd_ctrl_w)
*/
READ8_MEMBER(whitestar_state::dmd_status_r)
{
return (m_dmd_status ? 0x80 : 0x00) | (m_dmd_status << 3);
return (m_dmd_busy ? 0x80 : 0x00) | (m_dmd_status << 3);
}
WRITE8_MEMBER(whitestar_state::dmd_status_w)