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Applied RGB brightness on bike select, and fixed a silly bug on it

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This commit is contained in:
Angelo Salese 2013-02-24 19:30:21 +00:00
parent 60832f632b
commit 8f57b03b46
1 changed files with 48 additions and 34 deletions
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82
src/mame/drivers/coolridr.c
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@ -478,9 +478,13 @@ public:
UINT8 *m_h1_pcg;
UINT16 *m_h1_pal;
void flush_pal_data( UINT16 offset );
void apply_rgb_control(int screen_num,int *r, int *g, int *b);
int m_gfx_index;
int m_color_bank;
UINT32 m_rgb_ctrl[2];
struct {
UINT32 setting;
UINT8 gradient;
}m_rgb_ctrl[2];
UINT32 m_pen_fill[2];
osd_work_queue * m_work_queue[2]; // work queue, one per screen
@ -554,11 +558,10 @@ void coolridr_state::video_start()
UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect, int which)
{
/* planes seems to basically be at 0x8000 and 0x28000... */
int bg_r,bg_g,bg_b;
if(m_pen_fill[which])
{
int bg_r,bg_g,bg_b;
/* logic here is a bit of a guess. */
bg_r = (((m_pen_fill[which] >> 16) & 0x7f) << 1) | (((m_pen_fill[which] >> 16) & 0x80) >> 7);
bg_g = (((m_pen_fill[which] >> 8) & 0x7f) << 1) | (((m_pen_fill[which] >> 8) & 0x80) >> 7);
@ -583,8 +586,12 @@ UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb3
m_color_bank = which * 2;
/* TODO: the whole transpen logic might be incorrect */
transpen_setting = (VREG(0x3c) & 0x80000000) >> 31;
bg_r = (VREG(0x3c) >> 10) & 0x1f;
bg_g = (VREG(0x3c) >> 5) & 0x1f;
bg_b = (VREG(0x3c) >> 0) & 0x1f;
apply_rgb_control(which,&bg_r,&bg_g,&bg_b);
bitmap.fill(MAKE_ARGB(0xff,(VREG(0x3c) >> 16) & 0xff,(VREG(0x3c) >> 8) & 0xff,VREG(0x3c) & 0xff),cliprect);
bitmap.fill(MAKE_ARGB(0xff,pal5bit(bg_r),pal5bit(bg_g),pal5bit(bg_b)),cliprect);
for (int y=0;y<64;y++)
{
@ -1815,43 +1822,49 @@ WRITE32_MEMBER(coolridr_state::sysh1_unk_blit_w)
}
}
void coolridr_state::apply_rgb_control(int screen_num,int *r, int *g, int *b)
{
if(!m_rgb_ctrl[screen_num].gradient)
return;
if(m_rgb_ctrl[screen_num].setting == 0x1240) /* fade-in / outs */
{
*r -= m_rgb_ctrl[screen_num].gradient;
*g -= m_rgb_ctrl[screen_num].gradient;
*b -= m_rgb_ctrl[screen_num].gradient;
if(*r < 0) { *r = 0; }
if(*g < 0) { *g = 0; }
if(*b < 0) { *b = 0; }
}
else if(m_rgb_ctrl[screen_num].setting == 0x920) /* at bike select / outside tunnels, addition */
{
*r += m_rgb_ctrl[screen_num].gradient;
*g += m_rgb_ctrl[screen_num].gradient;
*b += m_rgb_ctrl[screen_num].gradient;
if(*r > 0x1f) { *r = 0x1f; }
if(*g > 0x1f) { *g = 0x1f; }
if(*b > 0x1f) { *b = 0x1f; }
}
else if(m_rgb_ctrl[screen_num].setting == 0x800) /* when you get hit TODO: algo might be different. */
{
*g &= (0x1f - m_rgb_ctrl[screen_num].gradient);
*b &= (0x1f - m_rgb_ctrl[screen_num].gradient);
}
else
{
popmessage("%08x %08x",m_rgb_ctrl[screen_num].setting,m_rgb_ctrl[screen_num].gradient);
}
}
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 / outside tunnels, 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);
}
apply_rgb_control(screen_type,&r,&g,&b);
palette_set_color_rgb(machine(),offset,pal5bit(r),pal5bit(g),pal5bit(b));
}
@ -1948,7 +1961,8 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
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;
m_rgb_ctrl[(cmd & 4) >> 2].setting = m_framebuffer_vram[(0+dma_index)/4] & 0xffffe0;
m_rgb_ctrl[(cmd & 4) >> 2].gradient = m_framebuffer_vram[(0+dma_index)/4] & 0x1f;
for(int i=((cmd & 4) * 0x100);i<((cmd & 4) * 0x100)+0x400;i++)
flush_pal_data( i );
dma_index+=4;