1 // FB Alpha Speed Ball / Music Ball driver module
2 // Based on MAME driver by Joseba Epalza and Andreas Naive
3 
4 #include "tiles_generic.h"
5 #include "z80_intf.h"
6 #include "burn_ym3812.h"
7 #include "bitswap.h"
8 
9 static UINT8 *AllMem;
10 static UINT8 *MemEnd;
11 static UINT8 *AllRam;
12 static UINT8 *RamEnd;
13 static UINT8 *DrvZ80ROM0;
14 static UINT8 *DrvZ80ROM1;
15 static UINT8 *DrvGfxROM0;
16 static UINT8 *DrvGfxROM1;
17 static UINT8 *DrvGfxROM2;
18 static UINT8 *DrvShareRAM;
19 static UINT8 *DrvZ80RAM1;
20 static UINT8 *DrvBgRAM;
21 static UINT8 *DrvFgRAM;
22 static UINT8 *DrvPalRAM;
23 static UINT8 *DrvSprRAM;
24 
25 static UINT32 *DrvPalette;
26 static UINT8 DrvRecalc;
27 
28 static UINT8 flipscreen;
29 
30 static UINT8 DrvJoy1[8];
31 static UINT8 DrvJoy2[8];
32 static UINT8 DrvDips[2];
33 static UINT8 DrvInputs[2];
34 static UINT8 DrvReset;
35 
36 static struct BurnInputInfo SpeedbalInputList[] = {
37 	{"P1 Coin",			BIT_DIGITAL,	DrvJoy1 + 7,	"p1 coin"	},
38 	{"P1 Start",		BIT_DIGITAL,	DrvJoy1 + 5,	"p1 start"	},
39 	{"P1 Button 1",		BIT_DIGITAL,	DrvJoy1 + 0,	"p1 fire 1"	},
40 	{"P1 Button 2",		BIT_DIGITAL,	DrvJoy1 + 1,	"p1 fire 2"	},
41 	{"P1 Button 3",		BIT_DIGITAL,	DrvJoy1 + 3,	"p1 fire 3"	},
42 	{"P1 Button 4",		BIT_DIGITAL,	DrvJoy1 + 2,	"p1 fire 4"	},
43 
44 	{"P2 Coin",			BIT_DIGITAL,	DrvJoy1 + 6,	"p2 coin"	},
45 	{"P2 Start",		BIT_DIGITAL,	DrvJoy1 + 4,	"p2 start"	},
46 	{"P2 Button 1",		BIT_DIGITAL,	DrvJoy2 + 0,	"p2 fire 1"	},
47 	{"P2 Button 2",		BIT_DIGITAL,	DrvJoy2 + 1,	"p2 fire 2"	},
48 	{"P2 Button 3",		BIT_DIGITAL,	DrvJoy2 + 3,	"p2 fire 3"	},
49 	{"P2 Button 4",		BIT_DIGITAL,	DrvJoy2 + 2,	"p2 fire 4"	},
50 
51 	{"Reset",			BIT_DIGITAL,	&DrvReset,		"reset"		},
52 	{"Tilt",			BIT_DIGITAL,	DrvJoy2 + 4,	"tilt"		},
53 	{"Dip A",			BIT_DIPSWITCH,	DrvDips + 0,	"dip"		},
54 	{"Dip B",			BIT_DIPSWITCH,	DrvDips + 1,	"dip"		},
55 };
56 
57 STDINPUTINFO(Speedbal)
58 
59 static struct BurnDIPInfo SpeedbalDIPList[]=
60 {
61 	{0x0e, 0xff, 0xff, 0xbf, NULL					},
62 	{0x0f, 0xff, 0xff, 0xff, NULL					},
63 
64 	{0   , 0xfe, 0   ,    4, "Coin B"				},
65 	{0x0e, 0x01, 0x03, 0x03, "1 Coin  2 Credits"	},
66 	{0x0e, 0x01, 0x03, 0x02, "1 Coin  3 Credits"	},
67 	{0x0e, 0x01, 0x03, 0x01, "1 Coin  4 Credits"	},
68 	{0x0e, 0x01, 0x03, 0x00, "1 Coin  5 Credits"	},
69 
70 	{0   , 0xfe, 0   ,    4, "Coin A"				},
71 	{0x0e, 0x01, 0x0c, 0x00, "4 Coins 1 Credits"	},
72 	{0x0e, 0x01, 0x0c, 0x04, "3 Coins 1 Credits"	},
73 	{0x0e, 0x01, 0x0c, 0x08, "2 Coins 1 Credits"	},
74 	{0x0e, 0x01, 0x0c, 0x0c, "1 Coin  1 Credits"	},
75 
76 	{0   , 0xfe, 0   ,    4, "Lives"				},
77 	{0x0e, 0x01, 0x30, 0x00, "2"					},
78 	{0x0e, 0x01, 0x30, 0x30, "3"					},
79 	{0x0e, 0x01, 0x30, 0x20, "4"					},
80 	{0x0e, 0x01, 0x30, 0x10, "5"					},
81 
82 	{0   , 0xfe, 0   ,    2, "Cabinet"				},
83 	{0x0e, 0x01, 0x40, 0x00, "Upright"				},
84 	{0x0e, 0x01, 0x40, 0x40, "Cocktail"				},
85 
86 	{0   , 0xfe, 0   ,    2, "Demo Sounds"			},
87 	{0x0e, 0x01, 0x80, 0x00, "Off"					},
88 	{0x0e, 0x01, 0x80, 0x80, "On"					},
89 
90 	{0   , 0xfe, 0   ,    8, "Bonus Life"			},
91 	{0x0f, 0x01, 0x07, 0x06, "70000 200000 1M"		},
92 	{0x0f, 0x01, 0x07, 0x07, "70000 200000"			},
93 	{0x0f, 0x01, 0x07, 0x03, "100000 300000 1M"		},
94 	{0x0f, 0x01, 0x07, 0x04, "100000 300000"		},
95 	{0x0f, 0x01, 0x07, 0x01, "200000 1M"			},
96 	{0x0f, 0x01, 0x07, 0x05, "200000"				},
97 	{0x0f, 0x01, 0x07, 0x02, "200000 (duplicate)"	},
98 	{0x0f, 0x01, 0x07, 0x00, "None"					},
99 
100 	{0   , 0xfe, 0   ,    2, "Unknown"				},
101 	{0x0f, 0x01, 0x08, 0x08, "Off"					},
102 	{0x0f, 0x01, 0x08, 0x00, "On"					},
103 
104 	{0   , 0xfe, 0   ,    4, "Difficulty 1"			},
105 	{0x0f, 0x01, 0x30, 0x30, "Very Easy"			},
106 	{0x0f, 0x01, 0x30, 0x20, "Easy"					},
107 	{0x0f, 0x01, 0x30, 0x10, "Difficult"			},
108 	{0x0f, 0x01, 0x30, 0x00, "Very Difficult"		},
109 
110 	{0   , 0xfe, 0   ,    4, "Difficulty 2"			},
111 	{0x0f, 0x01, 0xc0, 0xc0, "Very Easy"			},
112 	{0x0f, 0x01, 0xc0, 0x80, "Easy"					},
113 	{0x0f, 0x01, 0xc0, 0x40, "Difficult"			},
114 	{0x0f, 0x01, 0xc0, 0x00, "Very Difficult"		},
115 };
116 
117 STDDIPINFO(Speedbal)
118 
119 static struct BurnDIPInfo MusicbalDIPList[]=
120 {
121 	{0x0e, 0xff, 0xff, 0xbf, NULL					},
122 	{0x0f, 0xff, 0xff, 0xff, NULL					},
123 
124 	{0   , 0xfe, 0   ,    4, "Coin B"				},
125 	{0x0e, 0x01, 0x03, 0x03, "1 Coin  2 Credits"	},
126 	{0x0e, 0x01, 0x03, 0x02, "1 Coin  3 Credits"	},
127 	{0x0e, 0x01, 0x03, 0x01, "1 Coin  4 Credits"	},
128 	{0x0e, 0x01, 0x03, 0x00, "1 Coin  5 Credits"	},
129 
130 	{0   , 0xfe, 0   ,    4, "Coin A"				},
131 	{0x0e, 0x01, 0x0c, 0x00, "4 Coins 1 Credits"	},
132 	{0x0e, 0x01, 0x0c, 0x04, "3 Coins 1 Credits"	},
133 	{0x0e, 0x01, 0x0c, 0x08, "2 Coins 1 Credits"	},
134 	{0x0e, 0x01, 0x0c, 0x0c, "1 Coin  1 Credits"	},
135 
136 	{0   , 0xfe, 0   ,    4, "Lives"				},
137 	{0x0e, 0x01, 0x30, 0x00, "2"					},
138 	{0x0e, 0x01, 0x30, 0x30, "3"					},
139 	{0x0e, 0x01, 0x30, 0x20, "4"					},
140 	{0x0e, 0x01, 0x30, 0x10, "5"					},
141 
142 	{0   , 0xfe, 0   ,    2, "Cabinet"				},
143 	{0x0e, 0x01, 0x40, 0x00, "Upright"				},
144 	{0x0e, 0x01, 0x40, 0x40, "Cocktail"				},
145 
146 	{0   , 0xfe, 0   ,    2, "Demo Sounds"			},
147 	{0x0e, 0x01, 0x80, 0x00, "Off"					},
148 	{0x0e, 0x01, 0x80, 0x80, "On"					},
149 
150 	{0   , 0xfe, 0   ,    8, "Bonus Life"			},
151 	{0x0f, 0x01, 0x07, 0x03, "1M 2M 2.5M"			},
152 	{0x0f, 0x01, 0x07, 0x06, "1.2M 1.8M 2.5M"		},
153 	{0x0f, 0x01, 0x07, 0x07, "1.2M 1.8M"			},
154 	{0x0f, 0x01, 0x07, 0x04, "1.5M 2M"				},
155 	{0x0f, 0x01, 0x07, 0x05, "1.5M"					},
156 	{0x0f, 0x01, 0x07, 0x01, "1.8M 2.5M"			},
157 	{0x0f, 0x01, 0x07, 0x02, "1.8M"					},
158 	{0x0f, 0x01, 0x07, 0x00, "None"					},
159 
160 	{0   , 0xfe, 0   ,    2, "Unknown"				},
161 	{0x0f, 0x01, 0x08, 0x08, "Off"					},
162 	{0x0f, 0x01, 0x08, 0x00, "On"					},
163 
164 	{0   , 0xfe, 0   ,    4, "Difficulty 1"			},
165 	{0x0f, 0x01, 0x30, 0x30, "Very Easy"			},
166 	{0x0f, 0x01, 0x30, 0x20, "Easy"					},
167 	{0x0f, 0x01, 0x30, 0x10, "Difficult"			},
168 	{0x0f, 0x01, 0x30, 0x00, "Very Difficult"		},
169 
170 	{0   , 0xfe, 0   ,    4, "Difficulty 2"			},
171 	{0x0f, 0x01, 0xc0, 0xc0, "Very Easy"			},
172 	{0x0f, 0x01, 0xc0, 0x80, "Easy"					},
173 	{0x0f, 0x01, 0xc0, 0x40, "Difficult"			},
174 	{0x0f, 0x01, 0xc0, 0x00, "Very Difficult"		},
175 };
176 
STDDIPINFO(Musicbal)177 STDDIPINFO(Musicbal)
178 
179 static void __fastcall speedbal_main_write_port(UINT16 port, UINT8 data)
180 {
181 	switch (port & 0xff)
182 	{
183 		case 0x40:
184 			// coin counter = data & 0xc0
185 			flipscreen = data & 0x08;
186 		return;
187 
188 		case 0x50:
189 			// ?
190 		return;
191 	}
192 }
193 
speedbal_main_read_port(UINT16 port)194 static UINT8 __fastcall speedbal_main_read_port(UINT16 port)
195 {
196 	switch (port & 0xff)
197 	{
198 		case 0x00:
199 			return DrvDips[1];
200 
201 		case 0x10:
202 			return DrvDips[0];
203 
204 		case 0x20:
205 			return DrvInputs[0];
206 
207 		case 0x30:
208 			return DrvInputs[1];
209 	}
210 
211 	return 0;
212 }
213 
speedbal_sound_write_port(UINT16 port,UINT8 data)214 static void __fastcall speedbal_sound_write_port(UINT16 port, UINT8 data)
215 {
216 	switch (port & 0xff)
217 	{
218 		case 0x00:
219 		case 0x01:
220 			BurnYM3812Write(0, port & 1, data);
221 		return;
222 
223 		case 0x40: // led controls
224 		case 0x80:
225 		case 0xc1:
226 		return;
227 
228 		case 0x82:
229 		return;	// nop
230 	}
231 }
232 
speedbal_sound_read_port(UINT16 port)233 static UINT8 __fastcall speedbal_sound_read_port(UINT16 port)
234 {
235 	switch (port & 0xff)
236 	{
237 		case 0x00:
238 		case 0x01:
239 			return BurnYM3812Read(0, port & 1);
240 	}
241 
242 	return 0;
243 }
244 
tilemap_callback(bg)245 static tilemap_callback( bg )
246 {
247 	offs ^= 0xf0; // flipx
248 	INT32 attr = DrvBgRAM[offs * 2 + 1];
249 	INT32 code = DrvBgRAM[offs * 2 + 0] + ((attr & 0x30) << 4);
250 	INT32 color = attr & 0xf;
251 
252 	TILE_SET_INFO(1, code, color, 0);
253 	*category = (color == 8) ? 1 : 0; // always comes _after_ TILE_SET_INFO()!
254 }
255 
tilemap_callback(fg)256 static tilemap_callback( fg )
257 {
258 	offs ^= 0x3e0; // flipx
259 	INT32 attr = DrvFgRAM[offs * 2 + 1];
260 	INT32 code = DrvFgRAM[offs * 2 + 0] + ((attr & 0x30) << 4);
261 	INT32 color = attr & 0xf;
262 
263 	TILE_SET_INFO(0, code, color, 0);
264 	*category = (color == 9) ? 1 : 0;
265 }
266 
DrvDoReset()267 static INT32 DrvDoReset()
268 {
269 	memset (AllRam, 0, RamEnd - AllRam);
270 
271 	ZetOpen(0);
272 	ZetReset();
273 	ZetClose();
274 
275 	ZetOpen(1);
276 	ZetReset();
277 	BurnYM3812Reset();
278 	ZetClose();
279 
280 	flipscreen = 0;
281 
282 	return 0;
283 }
284 
MemIndex()285 static INT32 MemIndex()
286 {
287 	UINT8 *Next; Next = AllMem;
288 
289 	DrvZ80ROM0	= Next; Next += 0x010000;
290 	DrvZ80ROM1	= Next; Next += 0x008000;
291 
292 	DrvGfxROM0	= Next; Next += 0x010000;
293 	DrvGfxROM1	= Next; Next += 0x040000;
294 	DrvGfxROM2	= Next; Next += 0x020000;
295 
296 	DrvPalette	= (UINT32*)Next; Next += 0x00300 * sizeof(UINT32);
297 
298 	AllRam		= Next;
299 
300 	DrvShareRAM	= Next; Next += 0x00400;
301 	DrvZ80RAM1	= Next; Next += 0x00400;
302 	DrvBgRAM	= Next; Next += 0x00200;
303 	DrvFgRAM	= Next; Next += 0x00800;
304 
305 	DrvPalRAM	= Next; Next += 0x00f00;
306 	DrvSprRAM	= Next; Next += 0x00100;
307 
308 	RamEnd		= Next;
309 	MemEnd		= Next;
310 
311 	return 0;
312 }
313 
DrvGfxDecode()314 static INT32 DrvGfxDecode()
315 {
316 	UINT8 *tmp = (UINT8*)BurnMalloc(0x80000);
317 	if (tmp == NULL) {
318 		return 1;
319 	}
320 	INT32 Planes0[4] = { 0x4000*8+4, 0x4000*8, 4, 0 };
321 	INT32 XOffs0[ 8] = { STEP4(8+3,-1), STEP4(3,-1) };
322 	INT32 YOffs0[ 8] = { STEP8(0,16) };
323 
324 	INT32 Planes1[4] = { STEP4(0,2) };
325 	INT32 XOffs1[16] = { 0, 1, 56, 57, 48, 49, 40, 41, 32, 33, 24, 25, 16, 17, 8, 9 };
326 	INT32 YOffs1[16] = { STEP16(0,64) };
327 
328 	INT32 Planes2[4] = { STEP4(0,2) };
329 	INT32 XOffs2[16] = { 57, 56, 49, 48, 41, 40, 33, 32, 25, 24, 17, 16, 9, 8, 1, 0 };
330 	INT32 YOffs2[16] = { STEP16(0,64) };
331 
332 	memcpy (tmp, DrvGfxROM0, 0x08000);
333 
334 	GfxDecode(0x0400, 4,  8,  8, Planes0, XOffs0, YOffs0, 0x080, tmp, DrvGfxROM0);
335 
336 	memcpy (tmp, DrvGfxROM1, 0x20000);
337 
338 	GfxDecode(0x0400, 4, 16, 16, Planes1, XOffs1, YOffs1, 0x400, tmp, DrvGfxROM1);
339 
340 	memcpy (tmp, DrvGfxROM2, 0x10000);
341 
342 	GfxDecode(0x0200, 4, 16, 16, Planes2, XOffs2, YOffs2, 0x400, tmp, DrvGfxROM2);
343 
344 	BurnFree (tmp);
345 
346 	return 0;
347 }
348 
musicbalPrgDecode()349 static void musicbalPrgDecode()
350 {
351 	UINT8 xt[8] = { 0x05, 0x06, 0x84, 0x84, 0x00, 0x87, 0x84, 0x84 };
352 
353 	INT32 swap[4][4] = {
354 		{ 1, 0, 7, 2 },
355 		{ 2, 7, 0, 1 },
356 		{ 7, 2, 1, 0 },
357 		{ 0, 2, 1, 7 }
358 	};
359 
360 	for (INT32 i = 0; i < 0x8000; i++)
361 	{
362 		INT32 aidx = BIT(i,3)^(BIT(i,5)<<1)^(BIT(i,9)<<2);
363 		INT32 *st = swap[xt[aidx] & 3];
364 
365 		DrvZ80ROM0[i] = BITSWAP08(DrvZ80ROM0[i], st[3], 6,5,4,3, st[2], st[1], st[0]) ^ xt[aidx];
366 	}
367 }
368 
DrvGfxDescramble()369 static void DrvGfxDescramble()
370 {
371 	UINT8 *tmp = (UINT8*)BurnMalloc(0x10000);
372 
373 	for (INT32 i = 0; i < 0x200; i++)
374 	{
375 		INT32 j = BITSWAP16(i, 15,14,13,12,11,10,9,8,0,1,2,3,4,5,6,7);
376 
377 		memcpy (tmp + i * 128, DrvGfxROM2 + j * 128, 128);
378 	}
379 
380 	for (INT32 i = 0; i < 0x10000; i++) {
381 		DrvGfxROM2[i] = tmp[i] ^ 0xff; // copy & invert
382 	}
383 
384 	BurnFree (tmp);
385 }
386 
DrvInit(INT32 game)387 static INT32 DrvInit(INT32 game)
388 {
389 	BurnSetRefreshRate(56.4);
390 
391 	AllMem = NULL;
392 	MemIndex();
393 	INT32 nLen = MemEnd - (UINT8 *)0;
394 	if ((AllMem = (UINT8 *)BurnMalloc(nLen)) == NULL) return 1;
395 	memset(AllMem, 0, nLen);
396 	MemIndex();
397 
398 	{
399 		if (BurnLoadRom(DrvZ80ROM0 + 0x00000,  0, 1)) return 1;
400 		if (BurnLoadRom(DrvZ80ROM0 + 0x08000,  1, 1)) return 1;
401 
402 		if (BurnLoadRom(DrvZ80ROM1 + 0x00000,  2, 1)) return 1;
403 
404 		if (BurnLoadRom(DrvGfxROM0 + 0x00000,  3, 1)) return 1;
405 
406 		if (BurnLoadRom(DrvGfxROM1 + 0x00000,  4, 1)) return 1;
407 		if (BurnLoadRom(DrvGfxROM1 + 0x08000,  5, 1)) return 1;
408 		if (BurnLoadRom(DrvGfxROM1 + 0x10000,  6, 1)) return 1;
409 		if (BurnLoadRom(DrvGfxROM1 + 0x18000,  7, 1)) return 1;
410 
411 		if (BurnLoadRom(DrvGfxROM2 + 0x00000,  8, 1)) return 1;
412 		if (BurnLoadRom(DrvGfxROM2 + 0x08000,  9, 1)) return 1;
413 
414 		if (game) musicbalPrgDecode();
415 		DrvGfxDescramble();
416 		DrvGfxDecode();
417 	}
418 
419 	ZetInit(0);
420 	ZetOpen(0);
421 	ZetMapMemory(DrvZ80ROM0,	0x0000, 0xdbff, MAP_ROM);
422 	ZetMapMemory(DrvShareRAM,	0xdc00, 0xdfff, MAP_RAM);
423 	ZetMapMemory(DrvBgRAM,		0xe000, 0xe1ff, MAP_RAM);
424 	ZetMapMemory(DrvFgRAM,		0xe800, 0xefff, MAP_RAM);
425 	ZetMapMemory(DrvPalRAM,		0xf000, 0xfeff, MAP_RAM); // 0-5ff
426 	ZetMapMemory(DrvSprRAM,		0xff00, 0xffff, MAP_RAM);
427 	ZetSetOutHandler(speedbal_main_write_port);
428 	ZetSetInHandler(speedbal_main_read_port);
429 	ZetClose();
430 
431 	ZetInit(1);
432 	ZetOpen(1);
433 	ZetMapMemory(DrvZ80ROM1,	0x0000, 0x7fff, MAP_ROM);
434 	ZetMapMemory(DrvZ80RAM1,	0xd800, 0xdbff, MAP_RAM);
435 	ZetMapMemory(DrvShareRAM,	0xdc00, 0xdfff, MAP_RAM);
436 	ZetSetOutHandler(speedbal_sound_write_port);
437 	ZetSetInHandler(speedbal_sound_read_port);
438 	ZetClose();
439 
440 	BurnYM3812Init(1, 4000000, NULL, 0);
441 	BurnTimerAttachYM3812(&ZetConfig, 4000000);
442 	BurnYM3812SetRoute(0, BURN_SND_YM3812_ROUTE, 1.00, BURN_SND_ROUTE_BOTH);
443 
444 	GenericTilesInit();
445 	// foreground
446 	GenericTilemapInit(0,  TILEMAP_SCAN_COLS, fg_map_callback,  8,  8, 32, 32);
447 	GenericTilemapCategoryConfig(0, 4);
448 	GenericTilemapSetTransMask(0, 0, 0xffff); // fg
449 	GenericTilemapSetTransMask(0, 1, 0x0001); // fg
450 	GenericTilemapSetTransMask(0, 2, 0x0001); // bg
451 	GenericTilemapSetTransMask(0, 3, 0x0001); // bg
452 
453 	// background
454 	GenericTilemapInit(1,  TILEMAP_SCAN_COLS, bg_map_callback, 16, 16, 16, 16);
455 	GenericTilemapCategoryConfig(1, 4);
456 	GenericTilemapSetTransMask(1, 0, 0xffff); // fg
457 	GenericTilemapSetTransMask(1, 1, 0x00f7); // fg
458 	GenericTilemapSetTransMask(1, 2, 0x0000); // bg
459 	GenericTilemapSetTransMask(1, 3, 0x0000); // bg
460 
461 	GenericTilemapSetOffsets(TMAP_GLOBAL, 0, -16);
462 
463 	GenericTilemapSetGfx(0, DrvGfxROM0, 4,  8,  8, 0x10000, 0x100, 0xf);
464 	GenericTilemapSetGfx(1, DrvGfxROM1, 4, 16, 16, 0x40000, 0x200, 0xf);
465 
466 	DrvDoReset();
467 
468 	return 0;
469 }
470 
DrvExit()471 static INT32 DrvExit()
472 {
473 	GenericTilesExit();
474 
475 	BurnYM3812Exit();
476 
477 	ZetExit();
478 
479 	BurnFree (AllMem);
480 
481 	return 0;
482 }
483 
DrvPaletteUpdate()484 static void DrvPaletteUpdate() // RRRRGGGGBBBBxxxx BE
485 {
486 	for (INT32 i = 0; i < 0x600; i+=2)
487 	{
488 		UINT8 r = DrvPalRAM[i+0] >> 4;
489 		UINT8 g = DrvPalRAM[i+0] & 0xf;
490 		UINT8 b = DrvPalRAM[i+1] >> 4;
491 
492 		DrvPalette[i/2] = BurnHighCol(r+r*16, g+g*16, b+b*16, 0);
493 	}
494 }
495 
draw_sprites()496 static void draw_sprites()
497 {
498 	for (INT32 offs = 0; offs < 0x100; offs += 4)
499 	{
500 		if ((DrvSprRAM[offs + 2] & 0x80) == 0)
501 			continue;
502 
503 		INT32 sx = 243 - DrvSprRAM[offs + 3];
504 		INT32 sy = 239 - DrvSprRAM[offs + 0];
505 
506 		INT32 code = (DrvSprRAM[offs + 1]) | ((DrvSprRAM[offs + 2] & 0x40) << 2);
507 		INT32 color = DrvSprRAM[offs + 2] & 0x0f;
508 
509 		if (flipscreen)
510 		{
511 			sx = 246 - sx;
512 			sy = 238 - sy;
513 		}
514 
515 		Draw16x16MaskTile(pTransDraw, code, sx, sy - 16, flipscreen, flipscreen, color, 4, 0, 0, DrvGfxROM2);
516 	}
517 }
518 
DrvDraw()519 static INT32 DrvDraw()
520 {
521 //	if (DrvRecalc) {
522 		DrvPaletteUpdate();
523 		DrvRecalc = 1;
524 //	}
525 
526 	BurnTransferClear();
527 
528 	if (nBurnLayer & 1) GenericTilemapDraw(1, pTransDraw, TMAP_DRAWLAYER1); // bg bg_mask
529 	if (nBurnLayer & 2) GenericTilemapDraw(0, pTransDraw, TMAP_DRAWLAYER1); // fg bg_mask
530 	if (nSpriteEnable & 1) draw_sprites();
531 	if (nBurnLayer & 4) GenericTilemapDraw(1, pTransDraw, TMAP_DRAWLAYER0); // bg fg_mask
532 	if (nBurnLayer & 8) GenericTilemapDraw(0, pTransDraw, TMAP_DRAWLAYER0); // fg fg_mask
533 
534 	BurnTransferCopy(DrvPalette);
535 
536 	return 0;
537 }
538 
DrvFrame()539 static INT32 DrvFrame()
540 {
541 	if (DrvReset) {
542 		DrvDoReset();
543 	}
544 
545 	{
546 		memset (DrvInputs, 0xff, 2);
547 
548 		for (INT32 i = 0; i < 8; i++) {
549 			DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
550 			DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
551 		}
552 	}
553 
554 	ZetNewFrame();
555 
556 	INT32 nInterleave = 256;
557 	INT32 nCyclesTotal[2] = { 40000000 / 564, 40000000 / 564 };
558 	INT32 nCyclesDone[2] = { 0, 0 };
559 
560 	for (INT32 i = 0; i < nInterleave; i++)
561 	{
562 		ZetOpen(0);
563 		nCyclesDone[0] += ZetRun((nCyclesTotal[0] * (i + 1) / nInterleave) - nCyclesDone[0]);
564 		if (i == 240) ZetSetIRQLine(0, CPU_IRQSTATUS_HOLD);
565 		INT32 nCycles = ZetTotalCycles();
566 		ZetClose();
567 
568 		ZetOpen(1);
569 		BurnTimerUpdateYM3812(nCycles);
570 		if ((i & 0x1f) == 0x1f) ZetSetIRQLine(0, CPU_IRQSTATUS_HOLD); // 8x / frame
571 		ZetClose();
572 	}
573 
574 	ZetOpen(1);
575 
576 	BurnTimerEndFrameYM3812(nCyclesTotal[1]);
577 
578 	if (pBurnSoundOut) {
579 		BurnYM3812Update(pBurnSoundOut, nBurnSoundLen);
580 	}
581 
582 	ZetClose();
583 
584 	if (pBurnDraw) {
585 		DrvDraw();
586 	}
587 
588 	return 0;
589 }
590 
DrvScan(INT32 nAction,INT32 * pnMin)591 static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
592 {
593 	struct BurnArea ba;
594 
595 	if (pnMin) {
596 		*pnMin = 0x029705;
597 	}
598 
599 	if (nAction & ACB_VOLATILE) {
600 		memset(&ba, 0, sizeof(ba));
601 
602 		ba.Data	  = AllRam;
603 		ba.nLen	  = RamEnd - AllRam;
604 		ba.szName = "All Ram";
605 		BurnAcb(&ba);
606 
607 		ZetScan(nAction);
608 
609 		BurnYM3812Scan(nAction, pnMin);
610 
611 		SCAN_VAR(flipscreen);
612 	}
613 
614 	return 0;
615 }
616 
617 
618 // Speed Ball
619 
620 static struct BurnRomInfo speedbalRomDesc[] = {
621 	{ "sb1.bin",	0x8000, 0x1c242e34, 1 | BRF_PRG | BRF_ESS }, //  0 Z80 #0 Code
622 	{ "sb3.bin",	0x8000, 0x7682326a, 1 | BRF_PRG | BRF_ESS }, //  1
623 
624 	{ "sb2.bin",	0x8000, 0xe6a6d9b7, 2 | BRF_PRG | BRF_ESS }, //  2 Z80 #1 Code
625 
626 	{ "sb10.bin",	0x8000, 0x36dea4bf, 3 | BRF_GRA },           //  3 Characters
627 
628 	{ "sb9.bin",	0x8000, 0xb567e85e, 4 | BRF_GRA },           //  4 Background Tiles
629 	{ "sb5.bin",	0x8000, 0xb0eae4ba, 4 | BRF_GRA },           //  5
630 	{ "sb8.bin",	0x8000, 0xd2bfbdb6, 4 | BRF_GRA },           //  6
631 	{ "sb4.bin",	0x8000, 0x1d23a130, 4 | BRF_GRA },           //  7
632 
633 	{ "sb7.bin",	0x8000, 0x9f1b33d1, 5 | BRF_GRA },           //  8 Sprites (scrambled)
634 	{ "sb6.bin",	0x8000, 0x0e2506eb, 5 | BRF_GRA },           //  9
635 };
636 
637 STD_ROM_PICK(speedbal)
STD_ROM_FN(speedbal)638 STD_ROM_FN(speedbal)
639 
640 static INT32 SpeedbalInit()
641 {
642 	return DrvInit(0);
643 }
644 
645 struct BurnDriver BurnDrvSpeedbal = {
646 	"speedbal", NULL, NULL, NULL, "1987",
647 	"Speed Ball\0", NULL, "Tecfri / Desystem S.A.", "Miscellaneous",
648 	NULL, NULL, NULL, NULL,
649 	BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL, 2, HARDWARE_MISC_PRE90S, GBF_PINBALL, 0,
650 	NULL, speedbalRomInfo, speedbalRomName, NULL, NULL, NULL, NULL, SpeedbalInputInfo, SpeedbalDIPInfo,
651 	SpeedbalInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x300,
652 	224, 256, 3, 4
653 };
654 
655 
656 // Music Ball
657 
658 static struct BurnRomInfo musicbalRomDesc[] = {
659 	{ "01.bin",		0x8000, 0x412298a2, 1 | BRF_PRG | BRF_ESS }, //  0 Z80 #0 Code (encrypted)
660 	{ "03.bin",		0x8000, 0xfdf14446, 1 | BRF_PRG | BRF_ESS }, //  1
661 
662 	{ "02.bin",		0x8000, 0xb7d3840d, 2 | BRF_PRG | BRF_ESS }, //  2 Z80 #1 Code
663 
664 	{ "10.bin",		0x8000, 0x5afd3c42, 3 | BRF_GRA },           //  3 Characters
665 
666 	{ "09.bin",		0x8000, 0xdcde4233, 4 | BRF_GRA },           //  4 Background Tiles
667 	{ "05.bin",		0x8000, 0xe1eec437, 4 | BRF_GRA },           //  5
668 	{ "08.bin",		0x8000, 0x7e7af52b, 4 | BRF_GRA },           //  6
669 	{ "04.bin",		0x8000, 0xbf931a33, 4 | BRF_GRA },           //  7
670 
671 	{ "07.bin",		0x8000, 0x310e1e23, 5 | BRF_GRA },           //  8 Sprites (scrambled)
672 	{ "06.bin",		0x8000, 0x2e7772f8, 5 | BRF_GRA },           //  9
673 };
674 
675 STD_ROM_PICK(musicbal)
STD_ROM_FN(musicbal)676 STD_ROM_FN(musicbal)
677 
678 static INT32 MusicbalInit()
679 {
680 	return DrvInit(1);
681 }
682 
683 struct BurnDriver BurnDrvMusicbal = {
684 	"musicbal", NULL, NULL, NULL, "1988",
685 	"Music Ball\0", NULL, "Tecfri / Desystem S.A.", "Miscellaneous",
686 	NULL, NULL, NULL, NULL,
687 	BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL, 2, HARDWARE_MISC_PRE90S, GBF_PINBALL, 0,
688 	NULL, musicbalRomInfo, musicbalRomName, NULL, NULL, NULL, NULL, SpeedbalInputInfo, MusicbalDIPInfo,
689 	MusicbalInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x300,
690 	224, 256, 3, 4
691 };
692