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cheekyms: Add screen raw parameters; modernize VBLANK interrupt

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This commit is contained in:
AJR 2022-05-12 09:31:03 -04:00
parent d1904214a8
commit dbe5050181
3 changed files with 10 additions and 12 deletions
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16
src/mame/drivers/cheekyms.cpp
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@ -114,30 +114,26 @@ void cheekyms_state::machine_start()
save_item(NAME(m_irq_mask));
}
INTERRUPT_GEN_MEMBER(cheekyms_state::vblank_irq)
WRITE_LINE_MEMBER(cheekyms_state::vblank_int_w)
{
if(m_irq_mask)
device.execute().set_input_line(0, HOLD_LINE);
if (m_irq_mask)
m_maincpu->set_input_line(0, ASSERT_LINE);
}
void cheekyms_state::cheekyms(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, 5000000/2); /* 2.5 MHz */
Z80(config, m_maincpu, 5_MHz_XTAL / 2); /* 2.5 MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &cheekyms_state::main_map);
m_maincpu->set_addrmap(AS_IO, &cheekyms_state::io_map);
m_maincpu->set_vblank_int("screen", FUNC(cheekyms_state::vblank_irq));
/* video hardware */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(60);
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
m_screen->set_size(32*8, 32*8);
m_screen->set_visarea(0*8, 32*8-1, 4*8, 28*8-1);
m_screen->set_raw(10.816_MHz_XTAL / 2, 352, 0, 256, 262, 32, 224);
m_screen->set_screen_update(FUNC(cheekyms_state::screen_update));
m_screen->set_palette(m_palette);
m_screen->screen_vblank().set(FUNC(cheekyms_state::vblank_int_w));
GFXDECODE(config, m_gfxdecode, m_palette, gfx_cheekyms);
PALETTE(config, m_palette, FUNC(cheekyms_state::cheekyms_palette), 0xc0);

2
src/mame/includes/cheekyms.h
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@ -44,7 +44,7 @@ private:
void port_40_w(uint8_t data);
void port_80_w(uint8_t data);
INTERRUPT_GEN_MEMBER(vblank_irq);
DECLARE_WRITE_LINE_MEMBER(vblank_int_w);
TILE_GET_INFO_MEMBER(get_tile_info);

4
src/mame/video/cheekyms.cpp
View File

@ -63,7 +63,9 @@ void cheekyms_state::port_80_w(uint8_t data)
*m_port_80 = data;
/* d2 - interrupt enable */
m_irq_mask = data & 4;
m_irq_mask = BIT(data, 2);
if (!m_irq_mask)
m_maincpu->set_input_line(0, CLEAR_LINE);
}