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I think this fixes the "odd offset problem" for 16 colors text bg (see sgstair's tests). (I hope I didn't broke something...)

This commit is contained in:
thoduv 2007-07-09 15:44:49 +00:00
parent 600da43945
commit 02a62d9103
1 changed files with 30 additions and 2 deletions
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32
desmume/src/GPU.c
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@ -952,10 +952,24 @@ INLINE void renderline_textBG(const GPU * gpu, u8 num, u8 * dst, u32 Y, u16 XBG,
if(tileentry.bits.HFlip) if(tileentry.bits.HFlip)
{ {
u8 currLine;
line += (3 - ((xoff&7)>>1)); line += (3 - ((xoff&7)>>1));
if((!(7 - (xoff & 7)) & 1))
{
currLine = *line;
if (currLine&0xF)
{
color = T1ReadWord(pal, ((currLine&0xF) + tilePalette) << 1);
gpu->setFinalColor(gpu,0,num,dst,color,x,Y);
}
dst += 2; x++; xoff++;
line--;
}
for(; x < xfin; line --) for(; x < xfin; line --)
{ {
u8 currLine = *line; currLine = *line;
if (currLine>>4) if (currLine>>4)
{ {
@ -972,10 +986,24 @@ INLINE void renderline_textBG(const GPU * gpu, u8 num, u8 * dst, u32 Y, u16 XBG,
dst += 2; x++; xoff++; dst += 2; x++; xoff++;
} }
} else { } else {
u8 currLine;
line += ((xoff&7)>>1); line += ((xoff&7)>>1);
if(xoff & 1)
{
currLine = *line;
if (currLine>>4)
{
color = T1ReadWord(pal, ((currLine>>4) + tilePalette) << 1);
gpu->setFinalColor(gpu,0,num,dst,color,x,Y);
}
dst += 2; x++; xoff++;
line++;
}
for(; x < xfin; line ++) for(; x < xfin; line ++)
{ {
u8 currLine = *line; currLine = *line;
if (currLine&0xF) if (currLine&0xF)
{ {