Sprite hpos=0 condition update.

diff --git a/custom.cpp b/custom.cpp
index cbc28786482967044084dc536384d587e959e3ff..3d79567adff19369bbe5d3b5a5023635f12c5c11 100644 (file)
--- a/custom.cpp
+++ b/custom.cpp
@@ -4125,6 +4125,7 @@ static void decide_sprites(int hpos, bool usepointx, bool quick)
        int point;
        int sscanmask = 0x100 << sprite_buffer_res;
        int gotdata = 0;
+       int extrahpos = 13; // hpos 0 to this value is visible in right border
 
        if (thisline_decision.plfleft < 0 && !brdspractive() && !quick)
                return;
@@ -4132,8 +4133,9 @@ static void decide_sprites(int hpos, bool usepointx, bool quick)
        // let sprite shift register empty completely
        // if sprite is at the very edge of right border
        point = hpos * 2;
-       if (hpos >= maxhpos)
-               point += (9 - 2) * 2;
+       if (hpos >= maxhpos) {
+               point += (extrahpos - 2) * 2;
+       }
 
        if (nodraw () || hpos < 0x14 || nr_armed == 0 || point == last_sprite_point)
                return;
@@ -4161,7 +4163,8 @@ static void decide_sprites(int hpos, bool usepointx, bool quick)
                if (! spr[i].armed)
                        continue;
 
-               if (hw_xp > last_sprite_point && hw_xp <= point + pointx) {
+               int end = 0x1d4;
+               if (hw_xp > last_sprite_point && hw_xp <= point + pointx && hw_xp <= maxhpos * 2 + 1) {
                        add_sprite (&count, i, sprxp, posns, nrs);
                }
 
@@ -4172,7 +4175,7 @@ static void decide_sprites(int hpos, bool usepointx, bool quick)
                        if (hw_xp > last_sprite_point && hw_xp <= point + pointx) {
                                add_sprite (&count, MAX_SPRITES + i, sprxp, posns, nrs);
                        }
-               } else if (!(fmode & 0x80) && xpos >= (2 << sprite_buffer_res) && xpos <= (9 << sprite_buffer_res)) {
+               } else if (!(fmode & 0x80) && xpos >= (2 << sprite_buffer_res) && xpos <= (extrahpos << sprite_buffer_res)) {
                        // right border wrap around. SPRxCTL horizontal bits do not matter.
                        sprxp += (maxhpos * 2) << sprite_buffer_res;
                        hw_xp = sprxp >> sprite_buffer_res;