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minor code tweak (nw)

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This commit is contained in:
David Haywood 2013-03-21 09:37:40 +00:00
parent ef5e121b57
commit ecc881c7a3
1 changed files with 6 additions and 3 deletions
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9
src/mame/drivers/coolridr.c
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@ -1097,11 +1097,15 @@ UINT32 coolridr_state::screen_update_coolridr2(screen_device &screen, bitmap_ind
#define DO_XCLIP_REAL \
if (drawx>clipmaxX) { break; } \
if (drawx<clipminX) { drawx++; continue; }
#define DO_XCLIP_NONE
#define DO_XCLIP_NONE \
{ \
}
#define GET_CURRENT_LINESCROLLZOOM \
UINT32 dword = object->indirect_zoom[v*16+realy]; \
UINT16 hZoomTable = hZoom + (dword>>16); \
UINT16 hZoomHere = hZoom + (dword>>16); \
/* bit 0x8000 does get set too, but only on some lines, might have another meaning? */ \
int linescroll = dword&0x7fff; \
if (linescroll & 0x4000) linescroll -= 0x8000; \
@ -1135,7 +1139,6 @@ UINT32 coolridr_state::screen_update_coolridr2(screen_device &screen, bitmap_ind
{ \
int realy = ((y*incy)>>21); \
GET_CURRENT_LINESCROLLZOOM \
UINT16 hZoomHere = hZoomTable; \
if (!hZoomHere) { drawy++; continue; } \
const int pixelOffsetX = ((hPositionTable) + (h* 16 * hZoomHere)) / 0x40; \
const int pixelOffsetnextX = ((hPositionTable) + ((h+1)* 16 * hZoomHere)) / 0x40; \