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Galivan: fix off-by-one sprite y position in flipped mode

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This commit is contained in:
Gyorgy Szombathelyi 2022-10-14 15:36:32 +02:00
parent f838a9e70d
commit 2d44141d02
1 changed files with 1 additions and 1 deletions
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Arcade_MiST/Nichibutsu Galivan Hardware/rtl/gfx.v
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@ -128,7 +128,7 @@ reg [7:0] spy;
reg [8:0] code;
wire [7:0] smap_q = smap[spri];
wire [8:0] spy_next = v_flip ? smap_q - 1'd1 : 8'd239 - smap_q;
wire [8:0] spy_next = v_flip ? smap_q : 8'd239 - smap_q;
wire [7:0] spxa = spx[7:0] - 8'd128;
wire [7:0] sdy = vv - spy;
wire [3:0] sdyf = (!v_flip ^ attr[7]) ? sdy[3:0] : 4'd15 - sdy[3:0];