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d64plus: Added gfxdecode (nw)

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This commit is contained in:
Nigel Barnes 2019-07-17 02:20:55 +01:00
parent 7e74ffcde1
commit da4bdb96d1
1 changed files with 24 additions and 4 deletions
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28
src/mame/drivers/dragon.cpp
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@ -191,6 +191,26 @@ static void dragon_alpha_floppies(device_slot_interface &device)
device.option_add("dd", FLOPPY_35_DD);
}
// F4 Character Displayer
static const gfx_layout d64plus_charlayout =
{
8, 12, // 8 x 12 characters
256, // 256 characters
1, // 1 bits per pixel
{ 0 }, // no bitplanes
// x offsets
{ 0, 1, 2, 3, 4, 5, 6, 7 },
// y offsets
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8 },
8 * 16 // every char takes 16 bytes
};
static GFXDECODE_START(gfx_d64plus)
GFXDECODE_ENTRY("chargen", 0, d64plus_charlayout, 0, 1)
GFXDECODE_END
void dragon_state::dragon_base(machine_config &config)
{
this->set_clock(14.218_MHz_XTAL / 16);
@ -304,11 +324,11 @@ void d64plus_state::d64plus(machine_config &config)
dragon64(config);
// video hardware
screen_device &plus_screen(SCREEN(config, "plus_screen", SCREEN_TYPE_RASTER));
plus_screen.set_refresh_hz(50);
plus_screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
plus_screen.set_size(640, 264);
plus_screen.set_visarea_full();
plus_screen.set_raw(14.218_MHz_XTAL, 912, 0, 640, 316, 0, 264);
plus_screen.set_screen_update("crtc", FUNC(hd6845s_device::screen_update));
GFXDECODE(config, "gfxdecode", "palette", gfx_d64plus);
PALETTE(config, m_palette, palette_device::MONOCHROME);
// crtc