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another tiny cleanup. nw.

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This commit is contained in:
Fabio Priuli 2013-03-22 08:36:28 +00:00
parent 41c9b9bb6a
commit 98ac2b1071
1 changed files with 14 additions and 11 deletions
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25
src/mame/machine/megadriv.c
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@ -35,12 +35,13 @@ void megadriv_z80_hold(running_machine &machine)
{
md_base_state *state = machine.driver_data<md_base_state>();
if ((state->m_genz80.z80_has_bus == 1) && (state->m_genz80.z80_is_reset == 0))
machine.device(":genesis_snd_z80")->execute().set_input_line(0, HOLD_LINE);
state->m_z80snd->set_input_line(0, HOLD_LINE);
}
void megadriv_z80_clear(running_machine &machine)
{
machine.device(":genesis_snd_z80")->execute().set_input_line(0, CLEAR_LINE);
md_base_state *state = machine.driver_data<md_base_state>();
state->m_z80snd->set_input_line(0, CLEAR_LINE);
}
static void megadriv_z80_bank_w(address_space &space, UINT16 data)
@ -770,7 +771,7 @@ static WRITE16_HANDLER ( megadriv_68k_req_z80_reset )
static READ8_HANDLER( z80_read_68k_banked_data )
{
md_base_state *state = space.machine().driver_data<md_base_state>();
address_space &space68k = space.machine().device<legacy_cpu_device>("maincpu")->space();
address_space &space68k = state->m_maincpu->space();
UINT8 ret = space68k.read_byte(state->m_genz80.z80_bank_addr+offset);
return ret;
}
@ -778,7 +779,7 @@ static READ8_HANDLER( z80_read_68k_banked_data )
static WRITE8_HANDLER( z80_write_68k_banked_data )
{
md_base_state *state = space.machine().driver_data<md_base_state>();
address_space &space68k = space.machine().device<legacy_cpu_device>("maincpu")->space();
address_space &space68k = state->m_maincpu->space();
space68k.write_byte(state->m_genz80.z80_bank_addr+offset,data);
}
@ -1012,19 +1013,21 @@ void genesis_vdp_sndirqline_callback_genesis_z80(running_machine &machine, bool
// this comes from the vdp, and is connected to 68k irq level 6 (main vbl interrupt)
void genesis_vdp_lv6irqline_callback_genesis_68k(running_machine &machine, bool state)
{
if (state==true)
machine.device("maincpu")->execute().set_input_line(6, HOLD_LINE);
md_base_state *md_state = machine.driver_data<md_base_state>();
if (state == true)
md_state->m_maincpu->set_input_line(6, HOLD_LINE);
else
machine.device("maincpu")->execute().set_input_line(6, CLEAR_LINE);
md_state->m_maincpu->set_input_line(6, CLEAR_LINE);
}
// this comes from the vdp, and is connected to 68k irq level 4 (raster interrupt)
void genesis_vdp_lv4irqline_callback_genesis_68k(running_machine &machine, bool state)
{
if (state==true)
machine.device("maincpu")->execute().set_input_line(4, HOLD_LINE);
md_base_state *md_state = machine.driver_data<md_base_state>();
if (state == true)
md_state->m_maincpu->set_input_line(4, HOLD_LINE);
else
machine.device("maincpu")->execute().set_input_line(4, CLEAR_LINE);
md_state->m_maincpu->set_input_line(4, CLEAR_LINE);
}
/* Callback when the 68k takes an IRQ */
@ -1373,7 +1376,7 @@ SCREEN_VBLANK(megadriv)
md_base_state *state = screen.machine().driver_data<md_base_state>();
if (screen.ioport(":RESET")->read_safe(0x00) & 0x01)
screen.machine().device(":maincpu")->execute().set_input_line(INPUT_LINE_RESET, PULSE_LINE);
state->m_maincpu->set_input_line(INPUT_LINE_RESET, PULSE_LINE);
// rising edge
if (vblank_on)