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r25445 Friday 27th September, 2013 at 18:04:47 UTC by David Haywood
franticf appears to want this to wraparound (nw)

if anybody knows the TMS32010 better it would help if they looked at the wheel input (should be a steering wheel + single button) because I can't see how it maps, the other input port isn't read.  Maybe it generates an interrupt per tick or something?

page flip implementation also still seems wrong for this game.
[src/mame/video]lethalj.c

trunk/src/mame/video/lethalj.c
r25444r25445
134134
135135         /* loop over X coordinates */
136136         for (x = 0; x <= width; x++, sx++, dx++)
137            if (dx >= 0 && dx < BLITTER_DEST_WIDTH)
138            {
139               int pix = source[sx % BLITTER_SOURCE_WIDTH];
140               if (pix)
141                  dest[dx] = pix;
142            }
137         {
138            dx &= BLITTER_DEST_WIDTH -1 ;
139
140            int pix = source[sx % BLITTER_SOURCE_WIDTH];
141            if (pix)
142               dest[dx] = pix;
143   
144         }
143145      }
144146   }
145147}

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