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apple2e: no-MCFG with a scanline timer? it's more likely than you think (nw)

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This commit is contained in:
arbee 2018-09-04 23:19:51 -04:00
parent 4ef10aa07f
commit 6d9e304150
1 changed files with 20 additions and 13 deletions
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33
src/mame/drivers/apple2e.cpp
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@ -208,6 +208,8 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this, A2_CPU_TAG),
m_screen(*this, "screen"),
m_scantimer(*this, "scantimer"),
m_palette(*this, "palette"),
m_ram(*this, RAM_TAG),
m_rom(*this, "maincpu"),
m_cecbanks(*this, "cecexp"),
@ -249,6 +251,8 @@ public:
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<timer_device> m_scantimer;
required_device<palette_device> m_palette;
required_device<ram_device> m_ram;
required_memory_region m_rom;
optional_memory_region m_cecbanks;
@ -3971,27 +3975,30 @@ static void apple2eaux_cards(device_slot_interface &device)
device.option_add("rw3", A2EAUX_RAMWORKS3); /* Applied Engineering RamWorks III */
}
#define NOMCFG_TIMER_DRIVER_ADD_SCANLINE(_class, _callback, _screen, _first_vpos, _increment) \
configure_scanline(timer_device::expired_delegate(&_class::_callback, #_class "::" #_callback, nullptr, (_class *)nullptr), _screen, _first_vpos, _increment);
MACHINE_CONFIG_START(apple2e_state::apple2e)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", M6502, 1021800) /* close to actual CPU frequency of 1.020484 MHz */
MCFG_DEVICE_PROGRAM_MAP(apple2e_map)
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", apple2e_state, apple2_interrupt, "screen", 0, 1)
MCFG_QUANTUM_TIME(attotime::from_hz(60))
M6502(config, m_maincpu, 1021800);
m_maincpu->set_addrmap(AS_PROGRAM, &apple2e_state::apple2e_map);
TIMER(config, m_scantimer, 0);
m_scantimer->NOMCFG_TIMER_DRIVER_ADD_SCANLINE(apple2e_state, apple2_interrupt, "screen", 0, 1)
config.m_minimum_quantum = attotime::from_hz(60);
MCFG_DEVICE_ADD(A2_VIDEO_TAG, APPLE2_VIDEO, XTAL(14'318'181))
APPLE2_VIDEO(config, m_video, XTAL(14'318'181));
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_RAW_PARAMS(1021800*14, (65*7)*2, 0, (40*7)*2, 262, 0, 192)
MCFG_SCREEN_UPDATE_DRIVER(apple2e_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_raw(1021800*14, (65*7)*2, 0, (40*7)*2, 262, 0, 192);
m_screen->set_screen_update(FUNC(apple2e_state::screen_update));
m_screen->set_palette("palette");
MCFG_PALETTE_ADD("palette", 16)
MCFG_PALETTE_INIT_OWNER(apple2e_state, apple2)
PALETTE(config, m_palette, 16);
m_palette->set_init(DEVICE_SELF, FUNC(apple2e_state::palette_init_apple2));
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD(A2_SPEAKER_TAG, SPEAKER_SOUND)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
SPEAKER_SOUND(config, A2_SPEAKER_TAG).add_route(ALL_OUTPUTS, "mono", 1.00);
/* DS1315 for no-slot clock */
DS1315(config, m_ds1315, 0).read_backing().set(FUNC(apple2e_state::nsc_backing_r));