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more pcw fun (nw)

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This commit is contained in:
Olivier Galibert 2013-04-16 12:46:28 +00:00
parent 42ff42ab87
commit b44332aee2
2 changed files with 14 additions and 6 deletions
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13
src/mess/drivers/pcw.c
View File

@ -341,7 +341,11 @@ static void pcw_update_mem(running_machine &machine, int block, int data)
static int pcw_get_sys_status(running_machine &machine)
{
pcw_state *state = machine.driver_data<pcw_state>();
return state->m_interrupt_counter | (machine.root_device().ioport("EXTRA")->read() & (0x040 | 0x010)) | (state->m_system_status & 0x20);
return
state->m_interrupt_counter
| (state->m_screen->vblank() ? 0x40 : 0x00)
| (machine.root_device().ioport("EXTRA")->read() & 0x010)
| (state->m_system_status & 0x20);
}
READ8_MEMBER(pcw_state::pcw_interrupt_counter_r)
@ -950,7 +954,7 @@ WRITE8_MEMBER(pcw_state::pcw9512_parallel_w)
static ADDRESS_MAP_START(pcw_io, AS_IO, 8, pcw_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x000, 0x07f) AM_MIRROR(0xfe) AM_DEVICE("upd765", upd765a_device, map)
AM_RANGE(0x000, 0x001) AM_MIRROR(0x7e) AM_DEVICE("upd765", upd765a_device, map)
AM_RANGE(0x080, 0x0ef) AM_READWRITE(pcw_expansion_r, pcw_expansion_w)
AM_RANGE(0x0f0, 0x0f3) AM_WRITE( pcw_bank_select_w)
AM_RANGE(0x0f4, 0x0f4) AM_READWRITE(pcw_interrupt_counter_r, pcw_bank_force_selection_w)
@ -966,7 +970,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START(pcw9512_io, AS_IO, 8, pcw_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x000, 0x07f) AM_MIRROR(0xfe) AM_DEVICE("upd765", upd765a_device, map)
AM_RANGE(0x000, 0x001) AM_MIRROR(0x7e) AM_DEVICE("upd765", upd765a_device, map)
AM_RANGE(0x080, 0x0ef) AM_READWRITE(pcw_expansion_r, pcw_expansion_w)
AM_RANGE(0x0f0, 0x0f3) AM_WRITE( pcw_bank_select_w)
AM_RANGE(0x0f4, 0x0f4) AM_READWRITE(pcw_interrupt_counter_r, pcw_bank_force_selection_w)
@ -1005,6 +1009,7 @@ TIMER_CALLBACK_MEMBER(pcw_state::setup_beep)
void pcw_state::machine_start()
{
m_fdc_interrupt_code = 2;
m_fdc->setup_intrq_cb(upd765a_device::line_cb(FUNC(pcw_state::pcw_fdc_interrupt), this));
}
void pcw_state::machine_reset()
@ -1218,8 +1223,6 @@ static INPUT_PORTS_START(pcw)
/* from here on are the pretend dipswitches for machine config etc */
PORT_START("EXTRA")
/* vblank */
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_VBLANK("screen")
/* frame rate option */
PORT_DIPNAME( 0x10, 0x010, "50/60Hz Frame Rate Option")
PORT_DIPSETTING( 0x00, "60Hz")

7
src/mess/includes/pcw.h
View File

@ -25,7 +25,10 @@ class pcw_state : public driver_device
public:
pcw_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu") { }
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen"),
m_fdc(*this, "upd765")
{ }
int m_boot;
int m_system_status;
@ -108,6 +111,8 @@ public:
void pcw_fdc_interrupt(bool state);
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<upd765a_device> m_fdc;
};
#endif /* PCW_H_ */