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hp9845.cpp: fix MSVC build (nw)

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This commit is contained in:
Peter Ferrie 2017-03-09 14:20:34 -08:00
parent 5420e35248
commit 203f2b1d54
1 changed files with 2 additions and 2 deletions
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src/mame/drivers/hp9845.cpp
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@ -1488,9 +1488,9 @@ void hp9845ct_state::draw_line(unsigned x0 , unsigned y0 , unsigned x1 , unsigne
// draw line, vector generator uses Bresenham's algorithm
x = x0;
y = y0;
dx = abs(x1 - x);
dx = abs((int) (x1 - x));
sx = x < x1 ? 1 : -1; // actually always 1 because of normalization
dy = abs(y1 - y);
dy = abs((int) (y1 - y));
sy = y < y1 ? 1 : -1;
err = (dx > dy ? dx : -dy) / 2;