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This commit is contained in:
Angelo Salese 2013-02-23 17:07:29 +00:00
parent dff44e7756
commit 467a2858b3
1 changed files with 47 additions and 40 deletions
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87
src/mame/drivers/coolridr.c
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@ -379,7 +379,6 @@ public:
m_subcpu(*this,"sub"),
m_soundcpu(*this,"soundcpu"),
//m_dmac(*this, "i8237"),
m_h1_charram(*this, "h1_charram"),
m_framebuffer_vram(*this, "fb_vram"),
m_txt_vram(*this, "txt_vram"),
m_sysh1_txt_blit(*this, "sysh1_txt_blit"),
@ -406,7 +405,6 @@ public:
required_device<cpu_device> m_soundcpu;
//required_device<am9517a_device> m_dmac;
required_shared_ptr<UINT32> m_h1_charram;
required_shared_ptr<UINT32> m_framebuffer_vram;
required_shared_ptr<UINT32> m_txt_vram;
required_shared_ptr<UINT32> m_sysh1_txt_blit;
@ -471,6 +469,7 @@ public:
void sysh1_dma_transfer( address_space &space, UINT16 dma_index );
UINT8 *m_h1_vram;
UINT8 *m_h1_pcg;
};
@ -500,8 +499,10 @@ void coolridr_state::video_start()
machine().primary_screen->register_screen_bitmap(m_screen2_bitmap);
m_h1_vram = auto_alloc_array_clear(machine(), UINT8, VRAM_SIZE);
m_h1_pcg = auto_alloc_array_clear(machine(), UINT8, VRAM_SIZE);
save_pointer(NAME(m_h1_vram), VRAM_SIZE);
save_pointer(NAME(m_h1_pcg), VRAM_SIZE);
}
// might be a page 'map / base' setup somewhere, but it's just used for ingame backgrounds
@ -511,13 +512,20 @@ 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... */
gfx_element *gfx = machine().gfx[0];
UINT32 base_offset;
UINT32 tile_offset;
int y,x;
int color;
int xsrc,ysrc,ydst,xdst;
int xisrc,yisrc;
int tile,color;
int scrollx;
int scrolly;
#define xsize_mask 2048-1
#define ysize_mask 1024-1
#define xsize 128
#define xi_size 16
#define yi_size 16
#define xi_mask xi_size-1
#define yi_mask yi_size-1
UINT32 src_offs,pcg_offs;
scrollx = (m_framebuffer_vram[(0x9bac+which*0x40)/4] >> 16) & 0x7ff;
scrolly = m_framebuffer_vram[(0x9bac+which*0x40)/4] & 0x3ff;
@ -525,28 +533,32 @@ UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb3
base_offset = which * 0x20000;
m_color = which * 2;
for (y=0;y<64;y++)
for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++)
{
for (x=0;x<128;x++)
for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++)
{
int tile;
int res_x,res_y;
UINT16 cur_tile;
UINT16 dot_data;
res_x = (x*16)-scrollx;
res_y = (y*16)-scrolly;
tile_offset = (x+y*128)*2;
tile_offset+= base_offset;
xsrc = ((xdst + scrollx) >> 4) & (xsize_mask);
ysrc = ((ydst + scrolly) >> 4) & (ysize_mask);
xisrc = (xdst + scrollx) & (xi_mask);
yisrc = (ydst + scrolly) & (yi_mask);
src_offs = (xsrc + (ysrc*xsize));
src_offs *= 2;
src_offs += base_offset;
cur_tile = (m_h1_vram[tile_offset]<<8)|m_h1_vram[tile_offset+1];
cur_tile = (m_h1_vram[src_offs]<<8)|m_h1_vram[src_offs+1];
tile = cur_tile & 0x07ff;
color = m_color + ((cur_tile & 0x0800) >> 11) * 4;
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,res_x,res_y);
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,res_x+2048,res_y);
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,res_x,res_y+1024);
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,res_x+2048,res_y+1024);
/* we have a tile number, fetch into the PCG RAM */
pcg_offs = (xisrc+yisrc*xi_size)+tile*xi_size*yi_size;
dot_data = m_h1_pcg[pcg_offs] & 0xff;
dot_data+= color<<8;
bitmap.pix32(ydst, xdst) = machine().pens[dot_data];
}
}
@ -1514,7 +1526,7 @@ WRITE32_MEMBER(coolridr_state::sysh1_pal_w)
void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index )
{
UINT32 src,dst,size;
UINT32 src = 0,dst = 0,size = 0;
UINT8 end_dma_mark;
UINT8 cmd;
UINT8 is_dma;
@ -1550,9 +1562,7 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
if(dst & 0xfff00000)
printf("unk values to %02x dst %08x\n",cmd,dst);
dst &= 0x000fffff;
dst |= 0x05800000;
size*=2;
is_dma = 2;
is_dma = 3;
//printf("%08x %08x %08x %02x\n",src,dst,size,cmd);
dma_index+=0xc;
break;
@ -1614,6 +1624,20 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
src+=4;
}
}
else if(is_dma == 3)
{
UINT16 read_src;
for(int i=0;i<size;i+=2)
{
read_src = space.read_word(src);
m_h1_pcg[dst] = read_src >> 8;
m_h1_pcg[dst+1] = read_src & 0xff;
dst+=2;
src+=2;
}
}
}while(!end_dma_mark );
}
@ -1630,21 +1654,6 @@ WRITE32_MEMBER(coolridr_state::sysh1_dma_w)
}
}
WRITE32_MEMBER(coolridr_state::sysh1_char_w)
{
COMBINE_DATA(&m_h1_charram[offset]);
{
UINT8 *gfx = memregion("ram_gfx")->base();
gfx[offset*4+0] = (m_h1_charram[offset] & 0xff000000) >> 24;
gfx[offset*4+1] = (m_h1_charram[offset] & 0x00ff0000) >> 16;
gfx[offset*4+2] = (m_h1_charram[offset] & 0x0000ff00) >> 8;
gfx[offset*4+3] = (m_h1_charram[offset] & 0x000000ff) >> 0;
machine().gfx[0]->mark_dirty(offset/64); //*4/256
}
}
static ADDRESS_MAP_START( system_h1_map, AS_PROGRAM, 32, coolridr_state )
AM_RANGE(0x00000000, 0x001fffff) AM_ROM AM_SHARE("share1") AM_WRITENOP
@ -1661,8 +1670,6 @@ static ADDRESS_MAP_START( system_h1_map, AS_PROGRAM, 32, coolridr_state )
AM_RANGE(0x04000018, 0x0400001b) AM_WRITE(sysh1_fb_mode_w)
AM_RANGE(0x0400001c, 0x0400001f) AM_WRITE(sysh1_fb_data_w)
AM_RANGE(0x05800000, 0x058fffff) AM_RAM_WRITE(sysh1_char_w) AM_SHARE("h1_charram") //TODO: fake region
AM_RANGE(0x06000000, 0x060fffff) AM_RAM AM_SHARE("sysh1_workrah")
AM_RANGE(0x20000000, 0x201fffff) AM_ROM AM_SHARE("share1")