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ssv: fixed background disable condition [Roberto Zandona']

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Roberto Zandona 2010-09-12 20:46:58 +00:00
parent 2c384a80f1
commit 2ac3a1c6fc
1 changed files with 8 additions and 11 deletions
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19
src/mame/video/ssv.c
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@ -651,18 +651,15 @@ static void draw_row(running_machine *machine, bitmap_t *bitmap, const rectangle
/* Get the scroll data */ /* Get the scroll data */
x = ssv_scroll[ scroll * 4 + 0 ]; // x scroll x = ssv_scroll[ scroll * 4 + 0 ]; // x scroll
y = ssv_scroll[ scroll * 4 + 1 ]; // y scroll y = ssv_scroll[ scroll * 4 + 1 ]; // y scroll
// ssv_scroll[ scroll * 4 + 2 ]; // Priority ? // ssv_scroll[ scroll * 4 + 2 ]; // ???
mode = ssv_scroll[ scroll * 4 + 3 ]; // shadow, depth etc. mode = ssv_scroll[ scroll * 4 + 3 ]; // layer disabled, shadow, depth etc.
// Priority ? /* Background layer disabled */
if ( (ssv_scroll[ scroll * 4 + 2 ] < ssv_scroll[ 0 * 4 + 2 ]) ) if ((mode & 0xf000) == 0)
return; return;
/* How is the background layer disabled ? */
if ((mode & 0x0700) == 0) return;
shadow = (mode & 0x0800); shadow = (mode & 0x0800);
/* Decide the actual size of the tilemap. $200 and $400 pixels /* Decide the actual size of the tilemap. $200 and $400 pixels
@ -676,8 +673,8 @@ static void draw_row(running_machine *machine, bitmap_t *bitmap, const rectangle
y += sy; y += sy;
/* Tweak the scroll values (game specific) */ /* Tweak the scroll values (game specific) */
// x += 0; // x += 0;
y += ((ssv_scroll[0x70/2] & 0x1ff) - (ssv_scroll[0x70/2] & 0x200) + ssv_scroll[0x6a/2] + 2); y += ((ssv_scroll[0x70/2] & 0x1ff) - (ssv_scroll[0x70/2] & 0x200) + ssv_scroll[0x6a/2] + 2);
/* Draw the rows */ /* Draw the rows */