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Fix for tharrier text off screen.

This commit is contained in:
iq_132 2014-05-21 23:24:05 +00:00
parent 8b52396acf
commit 83972f8cac
1 changed files with 6 additions and 3 deletions
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9
src/burn/drv/pst90s/d_nmk16.cpp
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@ -4860,7 +4860,8 @@ static void draw_macross_text_layer(INT32 scrollx, INT32 scrolly, INT32 wide, IN
if (nGraphicsMask[0] == 0) return;
scrolly = (scrolly + global_y_offset) & 0x1ff;
INT32 wmask = (0x100 << wide) - 1;
scrolly = (scrolly + global_y_offset) & 0x1ff;
INT32 pf_width = (0x100 << wide);
UINT16 *vram = (UINT16*)DrvTxRAM;
for (INT32 offs = 0; offs < 32 * (32 << wide); offs++)
@ -4868,8 +4869,10 @@ static void draw_macross_text_layer(INT32 scrollx, INT32 scrolly, INT32 wide, IN
INT32 sx = (offs >> 5) << 3;
INT32 sy = (offs & 0x1f) << 3;
sx = (((sx - scrollx) + 8) & wmask) - 8;
sy = (((sy - scrolly) + 8) & 0xff) - 8;
sx -= scrollx;
if (sx < -7) sx += pf_width; // wrap
sy -= scrolly;
if (sy < -7) sy += 256; // wrap
if (sx >= nScreenWidth || sy >= nScreenHeight) continue;