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Merge pull request #1257 from Kurausukun/menu_nonmatching

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[LEAK INFORMED] match sub_819A080
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GriffinR 2020-11-27 11:10:03 -05:00 committed by GitHub
commit 571c5988ec
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 22 deletions
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39
src/menu.c
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@ -2016,7 +2016,7 @@ void sub_819A080(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 src
{
int loopSrcY, loopDstY, loopSrcX, loopDstX, xEnd, yEnd, multiplierSrcY, multiplierDstY;
const u8 *pixelsSrc;
u16 *pixelsDst;
u8 *pixelsDst;
u16 toOrr;
if (dst->width - dstX < width)
@ -2041,49 +2041,48 @@ void sub_819A080(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 src
if ((uintptr_t)pixelsDst & 0x1)
{
pixelsDst = (void*)(pixelsDst) - 1;
pixelsDst--;
if (loopDstX & 0x1)
{
toOrr = *pixelsDst & 0x0fff;
toOrr = *(vu16*)pixelsDst;
toOrr &= 0x0fff;
if (loopSrcX & 0x1)
*pixelsDst = toOrr | ((*pixelsSrc & 0xf0) << 8);
toOrr |= ((*pixelsSrc & 0xf0) << 8);
else
*pixelsDst = toOrr | ((*pixelsSrc & 0x0f) << 12);
toOrr |= ((*pixelsSrc & 0x0f) << 12);
}
else
{
toOrr = *pixelsDst & 0xf0ff;
toOrr = *(vu16*)pixelsDst;
toOrr &= 0xf0ff;
if (loopSrcX & 0x1)
*pixelsDst = toOrr | ((*pixelsSrc & 0xf0) << 4);
toOrr |= ((*pixelsSrc & 0xf0) << 4);
else
*pixelsDst = toOrr | ((*pixelsSrc & 0x0f) << 8);
toOrr |= ((*pixelsSrc & 0x0f) << 8);
}
}
else
{
if (loopDstX & 1)
{
toOrr = *pixelsDst & 0xff0f;
toOrr = *(vu16*)pixelsDst;
toOrr &= 0xff0f;
if (loopSrcX & 1)
*pixelsDst = toOrr | ((*pixelsSrc & 0xf0) << 0);
toOrr |= ((*pixelsSrc & 0xf0) << 0);
else
*pixelsDst = toOrr | ((*pixelsSrc & 0x0f) << 4);
toOrr |= ((*pixelsSrc & 0x0f) << 4);
}
else
{
toOrr = *pixelsDst & 0xfff0;
toOrr = *(vu16*)pixelsDst;
toOrr &= 0xfff0;
if (loopSrcX & 1)
*pixelsDst = toOrr | ((*pixelsSrc & 0xf0) >> 4);
toOrr |= ((*pixelsSrc & 0xf0) >> 4);
else
*pixelsDst = toOrr | ((*pixelsSrc & 0x0f) >> 0);
toOrr |= ((*pixelsSrc & 0x0f) >> 0);
}
}
// Needed to match, urgh.
#ifndef NONMATCHING
asm("":::"r4");
pixelsDst++;pixelsDst--;
#endif // NONMATCHING
*(vu16*)pixelsDst = toOrr;
}
}
}