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tools/ant-gui/ant-gui.c (gui): fix scrolling
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@ -131,12 +131,12 @@ static void gui(uint8_t *const *imgs, int n)
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SDL_FillRect(surf, NULL, SDL_MapRGB(surf->format, 0, 0, 0));
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for (iy = 0; iy != NY; iy++)
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for (ix = 0; ix != NX; ix++) {
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i = iy*NX+ix;
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i = (y_top+iy)*NX+ix;
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if (i >= n)
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break;
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render(surf, imgs[i],
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ix*(W+GAP), (iy-y_top)*(H+GAP),
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ix == x && iy == y, i == active);
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ix*(W+GAP), iy*(H+GAP),
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ix == x && y_top+iy == y, i == active);
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}
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SDL_UnlockSurface(surf);
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SDL_UpdateRect(surf, 0, 0, 0, 0);
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