Implement SPSET (5),(6)
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@@ -1319,6 +1319,40 @@ class BuiltinFunction
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}
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p.sprite.spset(id, defno);
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}
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static void SPSET(PetitComputer p, int lower, int upper, int defno, out int ix)
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{
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if (!p.sprite.isValidSpriteId(upper))
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throw new OutOfRange("SPSET", 1);
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if (!p.sprite.isValidSpriteId(lower))
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throw new OutOfRange("SPSET", 2);
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if (upper < lower)
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throw new IllegalFunctionCall("SPSET", 2);
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ix = p.sprite.allocSprite(lower, upper);
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if (ix == -1)
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return;
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p.sprite.spset(ix, defno);
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}
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static void SPSET(PetitComputer p, int upper, int lower, int u, int v, out int ix)
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{
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SPSET(p, upper, lower, u, v, 16, 16, 0x01, ix);
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}
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static void SPSET(PetitComputer p, int upper, int lower, int u, int v, int w, int h, out int ix)
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{
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SPSET(p, upper, lower, u, v, w, h, 0x01, ix);
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}
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static void SPSET(PetitComputer p, int lower, int upper, int u, int v, int w, int h, int attr, out int ix)
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{
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if (!p.sprite.isValidSpriteId(upper))
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throw new OutOfRange("SPSET", 1);
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if (!p.sprite.isValidSpriteId(lower))
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throw new OutOfRange("SPSET", 2);
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if (upper < lower)
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throw new IllegalFunctionCall("SPSET", 2);
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ix = p.sprite.allocSprite(lower, upper);
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if (ix == -1)
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return;
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p.sprite.spset(ix, u, v, w, h, cast(SpriteAttr)attr);
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}
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static void SPCHR(PetitComputer p, int id, int defno, DefaultValue!(int, false) V, DefaultValue!(int, false) W, DefaultValue!(int, false) H, DefaultValue!(int, false) ATTR)
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{
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if(!V.isDefault && !W.isDefault)
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@@ -870,6 +870,16 @@ class Sprite
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synchronized (this)
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sprites[id] = SpriteData(id, spdef, 0/*要調査*/);
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}
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int allocSprite(int lower, int upper)
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{
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for (int i = lower; i <= upper; i++)
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{
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int id = spid(i);
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if (!sprites[id].define)
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return i;
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}
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return -1;
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}
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int spchk(int id)
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{
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id = spid(id);
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@@ -1179,4 +1189,19 @@ class Sprite
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}
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clipRect[petitcom.displaynum] = SDL_Rect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
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}
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bool isValidSpriteId(int id)
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{
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if (id < 0)
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{
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return false;
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}
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if (petitcom.displaynum == 0)
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{
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return spmax > id;
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}
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else
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{
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return sprites.length > id + spmax;
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}
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}
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}
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