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experiment with when we do the colour lookup

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This commit is contained in:
David Haywood 2013-02-23 13:28:40 +00:00
parent c294f1a47b
commit 4179c80fd4
1 changed files with 10 additions and 17 deletions
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27
src/mame/drivers/coolridr.c
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@ -660,20 +660,9 @@ TODO: fix anything that isn't text.
if (!line[drawx]) \
{ \
int r,g,b; \
UINT16 dot; \
int color_offs; \
/* color_offs = (b1colorNumber & 0x3ff)*0x40;*/ \
/* color_offs+= (pix & 0x38)>>2; */ \
/* color_offs+= (pix & 0x07)*0x400000; */ \
/* color_offs+= 0x1ec800; */ \
/* dot = (m_compressedgfx[color_offs+0]<<8) | m_compressedgfx[color_offs+1]; */ \
color_offs = (b1colorNumber & 0x3ff)*0x40 * 5; /* yes, * 5 */ \
color_offs+= (pix & 0x3f); \
color_offs+= 0x1ec800 * 5; \
dot = (m_rearranged_16bit_gfx[color_offs]); \
r = pal5bit((dot >> 10) & 0x1f); \
g = pal5bit((dot >> 5) & 0x1f); \
b = pal5bit((dot >> 0) & 0x1f); \
r = pal5bit((pix >> 10) & 0x1f); \
g = pal5bit((pix >> 5) & 0x1f); \
b = pal5bit((pix >> 0) & 0x1f); \
line[drawx] = r<<16 | g<<8 | b; \
} \
} \
@ -1096,6 +1085,9 @@ void coolridr_state::blit_current_sprite(address_space &space)
UINT32 spriteNumber = (m_expanded_10bit_gfx[ (b3romoffset) + (lookupnum<<1) +0 ] << 10) | (m_expanded_10bit_gfx[ (b3romoffset) + (lookupnum<<1) + 1 ]);
UINT16 tempshape[16*16];
int color_offs = (b1colorNumber & 0x3ff)*0x40 * 5; /* yes, * 5 */
color_offs+= 0x1ec800 * 5; /* ?? */
// skip the decoding if it's the same tile as last time!
if (spriteNumber != lastSpriteNumber)
{
@ -1121,7 +1113,7 @@ void coolridr_state::blit_current_sprite(address_space &space)
while (data_written<256 && encodelength >=0)
{
tempshape[data_written] = rledata;
tempshape[data_written] = m_rearranged_16bit_gfx[color_offs + rledata];
encodelength--;
data_written++;
}
@ -1134,7 +1126,7 @@ void coolridr_state::blit_current_sprite(address_space &space)
while (data_written<256 && encodelength >=0)
{
tempshape[data_written] = rledata;
tempshape[data_written] = m_rearranged_16bit_gfx[color_offs + rledata];
encodelength--;
data_written++;
}
@ -1142,8 +1134,9 @@ void coolridr_state::blit_current_sprite(address_space &space)
}
else
{
int rledata = (compdata & 0x0ff);
// mm cccc cccc
tempshape[data_written] = compdata&0xff;
tempshape[data_written] = m_rearranged_16bit_gfx[color_offs + rledata];
data_written++;
}