Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-03 17:08:39 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Preliminary RGB ctrl

Browse Source
This commit is contained in:
Angelo Salese 2013-02-24 15:57:47 +00:00
parent bf0797fa0e
commit bf64eeaaa8
1 changed files with 40 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
src/mame/drivers/coolridr.c
View File

@ -480,6 +480,7 @@ public:
void flush_pal_data( UINT16 offset );
int m_gfx_index;
int m_color_bank;
UINT32 m_rgb_ctrl[2];
osd_work_queue * m_work_queue[2]; // work queue, one per screen
static void *draw_tile_row_threaded(void *param, int threadid);
@ -1782,13 +1783,44 @@ WRITE32_MEMBER(coolridr_state::sysh1_unk_blit_w)
}
}
void coolridr_state::flush_pal_data( UINT16 offset )
{
int r,g,b;
int screen_type = (offset & 0x400) >> 10;
int rgb_setting = m_rgb_ctrl[screen_type] & ~0x1f;
int rgb_gradient = m_rgb_ctrl[screen_type] & 0x1f;
r = ((m_h1_pal[offset] & 0x7c00) >> 10);
g = ((m_h1_pal[offset] & 0x03e0) >> 5);
b = ((m_h1_pal[offset] & 0x001f) >> 0);
if(rgb_setting == 0x1240) /* fade-in / outs */
{
r -= rgb_gradient;
g -= rgb_gradient;
b -= rgb_gradient;
if(r < 0) { r = 0; }
if(g < 0) { g = 0; }
if(b < 0) { b = 0; }
}
else if(rgb_setting == 0x920) /* at bike select, addition */
{
r += rgb_gradient;
g += rgb_gradient;
b += rgb_gradient;
if(r > 0x1f) { r = 0x1f; }
if(g > 0x1f) { g = 0x1f; }
if(b > 0x1f) { b = 0x1f; }
}
else if(rgb_setting == 0x800) /* when you get hit TODO: algo might be different. */
{
g &= (0x1f - rgb_gradient);
b &= (0x1f - rgb_gradient);
}
else if(rgb_gradient)
{
popmessage("%08x %08x",rgb_setting,rgb_gradient);
}
palette_set_color_rgb(machine(),offset,pal5bit(r),pal5bit(g),pal5bit(b));
}
@ -1837,7 +1869,6 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
printf("unk values to %02x dst %08x\n",cmd,dst);
dst &= 0x000fffff;
/* TODO: might as well improve the dirty handling */
for(int i=0;i<size;i++)
{
m_h1_pcg[dst] = space.read_byte(src);
@ -1876,13 +1907,18 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
case 0x24: /* unknown table */
case 0x30: /* screen 1 - 0x80 at boot, then 0x808080 */
case 0x34: /* screen 2 / */
case 0x40: /* screen 1 - almost certainly RGB brightness (at least bits 4 - 0) */
case 0x44: /* screen 2 / */
case 0x50: /* screen 1 - unknown */
case 0x54: /* screen 2 / */
//printf("%02x %08x\n",cmd,m_framebuffer_vram[(0+dma_index)/4]);
dma_index+=4;
break;
case 0x40: /* screen 1 - almost certainly RGB brightness (at least bits 4 - 0) */
case 0x44: /* screen 2 / */
m_rgb_ctrl[(cmd & 4) >> 2] = m_framebuffer_vram[(0+dma_index)/4] & 0xffffff;
for(int i=((cmd & 4) * 0x100);i<((cmd & 4) * 0x100)+0x400;i++)
flush_pal_data( i );
dma_index+=4;
break;
default:
printf("%02x %08x\n",cmd,m_framebuffer_vram[(0+dma_index)/4]);
dma_index+=4;