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use the 2nd tilemap for screen 2 (nw)

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This commit is contained in:
David Haywood 2013-02-19 14:31:20 +00:00
parent 01df9de779
commit 77e6819186
1 changed files with 22 additions and 5 deletions
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27
src/mame/drivers/coolridr.c
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@ -289,8 +289,8 @@ public:
UINT32 m_colorNumber;
UINT16 m_vCellCount;
UINT16 m_hCellCount;
UINT16 m_vPosition;
UINT16 m_hPosition;
int m_vPosition;
int m_hPosition;
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
@ -343,14 +343,25 @@ void coolridr_state::video_start()
m_test_offs = 0x2000;
}
// might be a page 'map / base' setup somewhere, but it's just used for ingame backgrounds
/* 0x00000 - 0x1ffff = screen 1 */
/* 0x20000 - 0x3ffff = screen 2 */
/* 0x40000 - 0xfffff = ? */
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[2];
UINT32 count;
int y,x;
int color;
count = m_test_offs/4;
color = m_color;
if (which==1)
{
count += 0x20000/4;
color += 2;
}
for (y=0;y<64;y++)
{
@ -359,10 +370,10 @@ UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb3
int tile;
tile = (m_h1_vram[count] & 0x0fff0000) >> 16;
drawgfx_opaque(bitmap,cliprect,gfx,tile,m_color,0,0,(x+0)*16,y*16);
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,(x+0)*16,y*16);
tile = (m_h1_vram[count] & 0x00000fff) >> 0;
drawgfx_opaque(bitmap,cliprect,gfx,tile,m_color,0,0,(x+1)*16,y*16);
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,0,0,(x+1)*16,y*16);
count++;
}
@ -541,6 +552,9 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
{
m_vPosition = (data & 0xffff0000) >> 16;
m_hPosition = (data & 0x0000ffff);
if (m_hPosition & 0x8000) m_hPosition -= 0x10000;
if (m_vPosition & 0x8000) m_vPosition -= 0x10000;
}
else if (m_blitterSerialCount == 11)
{
@ -595,6 +609,9 @@ WRITE32_MEMBER(coolridr_state::sysh1_txt_blit_w)
m_blitterSerialCount++;
}
// ??
else if (m_blitterMode == 0x10)
{
}
else
{
logerror("unk blit mode %02x\n", m_blitterMode);