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Found bug due to signness on global var

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This commit is contained in:
Duncan Frost
2014-05-10 10:16:23 +01:00
parent 601305a4e3
commit 16ed98348a
1 changed files with 13 additions and 13 deletions
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26
src/gfx.c
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@@ -162,9 +162,9 @@ void sub_0x67A934(int _eax, int _ebp, int _ebx, int _esi, rct_drawpixelinfo *dpi
dx -= dpi->y;
if (dx < 0)
{
RCT2_GLOBAL(0x9ABDAC, uint16) += dx;
if (RCT2_GLOBAL(0x9ABDAC, uint16) <= 0)return;
RCT2_GLOBAL(0xEDF808, uint16) -= dx;
RCT2_GLOBAL(0x9ABDAC, sint16) += dx;
if (RCT2_GLOBAL(0x9ABDAC, sint16) <= 0)return;
RCT2_GLOBAL(0xEDF808, sint16) -= dx;
_edx = 0;
dx = 0;
}
@@ -180,22 +180,22 @@ void sub_0x67A934(int _eax, int _ebp, int _ebx, int _esi, rct_drawpixelinfo *dpi
dx = bx;
_edi += _eax;
}
dx += RCT2_GLOBAL(0x9ABDAC, uint16);
dx += RCT2_GLOBAL(0x9ABDAC, sint16);
dx -= dpi->height;
if (dx > 0){
RCT2_GLOBAL(0x9ABDAC, uint16) -= dx;
if (RCT2_GLOBAL(0x9ABDAC, uint16) <= 0)return;
RCT2_GLOBAL(0x9ABDAC, sint16) -= dx;
if (RCT2_GLOBAL(0x9ABDAC, sint16) <= 0)return;
}
ax = RCT2_GLOBAL(0x9E3D0C, uint16);
RCT2_GLOBAL(0xEDF80C, uint32) = 0;
cx += RCT2_GLOBAL(0x9E3D10, uint16);
RCT2_GLOBAL(0x9ABDA8, uint16) = ax;
RCT2_GLOBAL(0x9ABDA8, sint16) = ax;
cx -= dpi->x;
if (cx < 0){
RCT2_GLOBAL(0x9ABDA8, uint16) += cx;
if (RCT2_GLOBAL(0x9ABDA8, uint16) <= 0)return;
RCT2_GLOBAL(0xEDF80C, uint16) -= cx;
RCT2_GLOBAL(0x9ABDA8, sint16) += cx;
if (RCT2_GLOBAL(0x9ABDA8, sint16) <= 0)return;
RCT2_GLOBAL(0xEDF80C, sint16) -= cx;
_ecx = 0;
cx = 0;
}
@@ -203,11 +203,11 @@ void sub_0x67A934(int _eax, int _ebp, int _ebx, int _esi, rct_drawpixelinfo *dpi
_ecx = cx;
_edi += _ecx;
}
cx += RCT2_GLOBAL(0x9ABDA8, uint16);
cx += RCT2_GLOBAL(0x9ABDA8, sint16);
cx -= dpi->width;
if (cx > 0){
RCT2_GLOBAL(0x9ABDA8, uint16) -= cx;
if (RCT2_GLOBAL(0x9ABDA8, uint16) <= 0)return;
RCT2_GLOBAL(0x9ABDA8, sint16) -= cx;
if (RCT2_GLOBAL(0x9ABDA8, sint16) <= 0)return;
}
ax = dpi->width;
ax += dpi->pitch;