Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-06 09:00:04 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

galaxian.c - jumpbug: fixed MT05969 by applying the same star generator as Galaxian. Schematics aren't available, but the readme of the rom dump states that the pcb is very similar to Galaxian. (nw)

Browse Source
This commit is contained in:
Ivan Vangelista 2015-09-20 09:33:15 +02:00
parent ed89f8d6e3
commit 2298378b5d
1 changed files with 17 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/mame/video/galaxian.c
View File

@ -998,8 +998,23 @@ void galaxian_state::jumpbug_draw_background(bitmap_rgb32 &bitmap, const rectang
/* blue background - 390 ohm resistor */
bitmap.fill(m_background_enable ? rgb_t(0,0,0x56) : rgb_t::black, cliprect);
/* render stars same as scramble but nothing in the status area */
scramble_draw_stars(bitmap, cliprect, 240);
/* render stars same as galaxian but nothing in the status area */
/* update the star origin to the current frame */
stars_update_origin();
/* render stars if enabled */
if (m_stars_enabled)
{
int y;
/* iterate over scanlines */
for (y = cliprect.min_y; y <= cliprect.max_y; y++)
{
UINT32 star_offs = m_star_rng_origin + y * 512;
stars_draw_row(bitmap, 240, y, star_offs, 0xff);
}
}
}