Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-06 17:08:28 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

Merge pull request #2990 from agiri-san/nd1

Browse Source 
ygv608: Add mosaic effect for Galaga Arrangement Ending/Staffroll
This commit is contained in:
ajrhacker 2017-12-30 10:57:04 -05:00 committed by GitHub
commit 985d0044fe
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mame/video/ygv608.cpp
View File

@ -1030,6 +1030,26 @@ inline void ygv608_device::draw_layer_roz(screen_device &screen, bitmap_ind16 &b
source_tilemap->draw(screen, bitmap, cliprect, 0, 0 ); source_tilemap->draw(screen, bitmap, cliprect, 0, 0 );
} }
void ygv608_device::ygv608_draw_mosaic(bitmap_ind16 &bitmap, const rectangle &cliprect, int n)
{
int x, y, mask;
if (n <= 0)
{
return;
}
// mask to drop the lowest n-bits
mask = ~((1 << n) - 1);
for (y = cliprect.min_y; y <= cliprect.max_y; y++)
{
for (x = cliprect.min_x; x <= cliprect.max_x; x++)
{
bitmap.pix16(y, x) = bitmap.pix16(y & mask, x & mask);
}
}
}
uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{ {
@ -1175,6 +1195,8 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
else else
{ {
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_B); draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_B);
if(m_mosaic_bplane > 0)
ygv608_draw_mosaic(m_work_bitmap, finalclip, m_mosaic_bplane);
if(m_planeB_trans_enable == true) if(m_planeB_trans_enable == true)
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0); copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
@ -1192,6 +1214,8 @@ uint32_t ygv608_device::update_screen(screen_device &screen, bitmap_ind16 &bitma
draw_sprites(bitmap, finalclip); draw_sprites(bitmap, finalclip);
draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_A); draw_layer_roz(screen, m_work_bitmap, finalclip, m_tilemap_A);
if(m_mosaic_aplane > 0)
ygv608_draw_mosaic(m_work_bitmap, finalclip, m_mosaic_aplane);
if(m_planeA_trans_enable == true) if(m_planeA_trans_enable == true)
copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0); copybitmap_trans( bitmap, m_work_bitmap, 0, 0, 0, 0, finalclip, 0);
@ -1941,8 +1965,8 @@ WRITE8_MEMBER( ygv608_device::screen_ctrl_10_w )
// check mosaic // check mosaic
m_mosaic_bplane = (data & 0xc) >> 2; m_mosaic_bplane = (data & 0xc) >> 2;
m_mosaic_aplane = data & 3; m_mosaic_aplane = data & 3;
if(m_mosaic_aplane || m_mosaic_bplane) // if(m_mosaic_aplane || m_mosaic_bplane)
popmessage("Mosaic effect %02x %02x",m_mosaic_aplane,m_mosaic_bplane); // popmessage("Mosaic effect %02x %02x",m_mosaic_aplane,m_mosaic_bplane);
} }
// R#11R - screen control 11 // R#11R - screen control 11

1
src/mame/video/ygv608.h
View File

@ -127,6 +127,7 @@ private:
void register_state_save(); void register_state_save();
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_layer_roz(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, tilemap_t *source_tilemap); void draw_layer_roz(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, tilemap_t *source_tilemap);
void ygv608_draw_mosaic(bitmap_ind16 &bitmap, const rectangle &cliprect, int n);
uint8_t m_namcond1_gfxbank; uint8_t m_namcond1_gfxbank;