1 // FB Alpha Flack Attack driver module
2 // Based on MAME driver by Manuel Abadia
3 
4 #include "tiles_generic.h"
5 #include "hd6309_intf.h"
6 #include "z80_intf.h"
7 #include "k007121.h"
8 #include "burn_ym2151.h"
9 #include "k007232.h"
10 #include "watchdog.h"
11 
12 static UINT8 *AllMem;
13 static UINT8 *MemEnd;
14 static UINT8 *AllRam;
15 static UINT8 *RamEnd;
16 static UINT8 *DrvHD6309ROM;
17 static UINT8 *DrvZ80ROM;
18 static UINT8 *DrvGfxROM;
19 static UINT8 *DrvSndROM;
20 static UINT8 *DrvZ80RAM;
21 static UINT8 *DrvHD6309RAM;
22 static UINT8 *DrvPalRAM;
23 static UINT8 *DrvVidRAM0;
24 static UINT8 *DrvVidRAM1;
25 static UINT8 *DrvSprRAM;
26 static UINT8 *DrvSprBUF;
27 
28 static UINT32 *DrvPalette;
29 static UINT8 DrvRecalc;
30 
31 static INT32 multiply_register[2];
32 static UINT8 main_bank;
33 static UINT8 soundlatch;
34 static UINT8 flipscreen;
35 
36 static INT32 nExtraCycles;
37 
38 static UINT8 DrvJoy1[8];
39 static UINT8 DrvJoy2[8];
40 static UINT8 DrvJoy3[8];
41 static UINT8 DrvDips[3];
42 static UINT8 DrvInputs[3];
43 static UINT8 DrvReset;
44 
45 static struct BurnInputInfo FlkatckInputList[] = {
46 	{"P1 Coin",			BIT_DIGITAL,	DrvJoy1 + 0,	"p1 coin"	},
47 	{"P1 Start",		BIT_DIGITAL,	DrvJoy1 + 3,	"p1 start"	},
48 	{"P1 Up",			BIT_DIGITAL,	DrvJoy2 + 2,	"p1 up"		},
49 	{"P1 Down",			BIT_DIGITAL,	DrvJoy2 + 3,	"p1 down"	},
50 	{"P1 Left",			BIT_DIGITAL,	DrvJoy2 + 0,	"p1 left"	},
51 	{"P1 Right",		BIT_DIGITAL,	DrvJoy2 + 1,	"p1 right"	},
52 	{"P1 Button 1",		BIT_DIGITAL,	DrvJoy2 + 4,	"p1 fire 1"	},
53 	{"P1 Button 2",		BIT_DIGITAL,	DrvJoy2 + 5,	"p1 fire 2"	},
54 
55 	{"P2 Coin",			BIT_DIGITAL,	DrvJoy1 + 1,	"p2 coin"	},
56 	{"P2 Start",		BIT_DIGITAL,	DrvJoy1 + 4,	"p2 start"	},
57 	{"P2 Up",			BIT_DIGITAL,	DrvJoy3 + 2,	"p2 up"		},
58 	{"P2 Down",			BIT_DIGITAL,	DrvJoy3 + 3,	"p2 down"	},
59 	{"P2 Left",			BIT_DIGITAL,	DrvJoy3 + 0,	"p2 left"	},
60 	{"P2 Right",		BIT_DIGITAL,	DrvJoy3 + 1,	"p2 right"	},
61 	{"P2 Button 1",		BIT_DIGITAL,	DrvJoy3 + 4,	"p2 fire 1"	},
62 	{"P2 Button 2",		BIT_DIGITAL,	DrvJoy3 + 5,	"p2 fire 2"	},
63 
64 	{"Reset",			BIT_DIGITAL,	&DrvReset,		"reset"		},
65 	{"Service",			BIT_DIGITAL,	DrvJoy1 + 2,	"service"	},
66 	{"Dip A",			BIT_DIPSWITCH,	DrvDips + 0,	"dip"		},
67 	{"Dip B",			BIT_DIPSWITCH,	DrvDips + 1,	"dip"		},
68 	{"Dip C",			BIT_DIPSWITCH,	DrvDips + 2,	"dip"		},
69 };
70 
71 STDINPUTINFO(Flkatck)
72 
73 static struct BurnDIPInfo FlkatckDIPList[]=
74 {
75 	{0x12, 0xff, 0xff, 0xff, NULL					},
76 	{0x13, 0xff, 0xff, 0x51, NULL					},
77 	{0x14, 0xff, 0xff, 0xff, NULL					},
78 
79 	{0   , 0xfe, 0   ,   16, "Coin A"				},
80 	{0x12, 0x01, 0x0f, 0x02, "4 Coins 1 Credits"	},
81 	{0x12, 0x01, 0x0f, 0x05, "3 Coins 1 Credits"	},
82 	{0x12, 0x01, 0x0f, 0x08, "2 Coins 1 Credits"	},
83 	{0x12, 0x01, 0x0f, 0x04, "3 Coins 2 Credits"	},
84 	{0x12, 0x01, 0x0f, 0x01, "4 Coins 3 Credits"	},
85 	{0x12, 0x01, 0x0f, 0x0f, "1 Coin  1 Credits"	},
86 	{0x12, 0x01, 0x0f, 0x03, "3 Coins 4 Credits"	},
87 	{0x12, 0x01, 0x0f, 0x07, "2 Coins 3 Credits"	},
88 	{0x12, 0x01, 0x0f, 0x0e, "1 Coin  2 Credits"	},
89 	{0x12, 0x01, 0x0f, 0x06, "2 Coins 5 Credits"	},
90 	{0x12, 0x01, 0x0f, 0x0d, "1 Coin  3 Credits"	},
91 	{0x12, 0x01, 0x0f, 0x0c, "1 Coin  4 Credits"	},
92 	{0x12, 0x01, 0x0f, 0x0b, "1 Coin  5 Credits"	},
93 	{0x12, 0x01, 0x0f, 0x0a, "1 Coin  6 Credits"	},
94 	{0x12, 0x01, 0x0f, 0x09, "1 Coin  7 Credits"	},
95 	{0x12, 0x01, 0x0f, 0x00, "Free Play"			},
96 
97 	{0   , 0xfe, 0   ,   16, "Coin B"				},
98 	{0x12, 0x01, 0xf0, 0x20, "4 Coins 1 Credits"	},
99 	{0x12, 0x01, 0xf0, 0x50, "3 Coins 1 Credits"	},
100 	{0x12, 0x01, 0xf0, 0x80, "2 Coins 1 Credits"	},
101 	{0x12, 0x01, 0xf0, 0x40, "3 Coins 2 Credits"	},
102 	{0x12, 0x01, 0xf0, 0x10, "4 Coins 3 Credits"	},
103 	{0x12, 0x01, 0xf0, 0xf0, "1 Coin  1 Credits"	},
104 	{0x12, 0x01, 0xf0, 0x30, "3 Coins 4 Credits"	},
105 	{0x12, 0x01, 0xf0, 0x70, "2 Coins 3 Credits"	},
106 	{0x12, 0x01, 0xf0, 0xe0, "1 Coin  2 Credits"	},
107 	{0x12, 0x01, 0xf0, 0x60, "2 Coins 5 Credits"	},
108 	{0x12, 0x01, 0xf0, 0xd0, "1 Coin  3 Credits"	},
109 	{0x12, 0x01, 0xf0, 0xc0, "1 Coin  4 Credits"	},
110 	{0x12, 0x01, 0xf0, 0xb0, "1 Coin  5 Credits"	},
111 	{0x12, 0x01, 0xf0, 0xa0, "1 Coin  6 Credits"	},
112 	{0x12, 0x01, 0xf0, 0x90, "1 Coin  7 Credits"	},
113 	{0x12, 0x01, 0xf0, 0x00, "Invalid"				},
114 
115 	{0   , 0xfe, 0   ,    4, "Lives"				},
116 	{0x13, 0x01, 0x03, 0x03, "1"					},
117 	{0x13, 0x01, 0x03, 0x02, "2"					},
118 	{0x13, 0x01, 0x03, 0x01, "3"					},
119 	{0x13, 0x01, 0x03, 0x00, "5"					},
120 
121 	{0   , 0xfe, 0   ,    2, "Cabinet"				},
122 	{0x13, 0x01, 0x04, 0x00, "Upright"				},
123 	{0x13, 0x01, 0x04, 0x04, "Cocktail"				},
124 
125 	{0   , 0xfe, 0   ,    4, "Bonus Life"			},
126 	{0x13, 0x01, 0x18, 0x18, "30K, Every 70K"		},
127 	{0x13, 0x01, 0x18, 0x10, "40K, Every 80K"		},
128 	{0x13, 0x01, 0x18, 0x08, "30K Only"				},
129 	{0x13, 0x01, 0x18, 0x00, "40K Only"				},
130 
131 	{0   , 0xfe, 0   ,    4, "Difficulty"			},
132 	{0x13, 0x01, 0x60, 0x60, "Easy"					},
133 	{0x13, 0x01, 0x60, 0x40, "Normal"				},
134 	{0x13, 0x01, 0x60, 0x20, "Difficult"			},
135 	{0x13, 0x01, 0x60, 0x00, "Very Difficult"		},
136 
137 	{0   , 0xfe, 0   ,    2, "Demo Sounds"			},
138 	{0x13, 0x01, 0x80, 0x80, "Off"					},
139 	{0x13, 0x01, 0x80, 0x00, "On"					},
140 
141 	{0   , 0xfe, 0   ,    2, "Flip Screen"			},
142 	{0x14, 0x01, 0x01, 0x01, "Off"					},
143 	{0x14, 0x01, 0x01, 0x00, "On"					},
144 
145 	{0   , 0xfe, 0   ,    2, "Upright Controls"		},
146 	{0x14, 0x01, 0x02, 0x02, "Single"				},
147 	{0x14, 0x01, 0x02, 0x00, "Dual"					},
148 
149 	{0   , 0xfe, 0   ,    2, "Service Mode"			},
150 	{0x14, 0x01, 0x04, 0x04, "Off"					},
151 	{0x14, 0x01, 0x04, 0x00, "On"					},
152 };
153 
STDDIPINFO(Flkatck)154 STDDIPINFO(Flkatck)
155 
156 
157 
158 static void bankswitch(INT32 data)
159 {
160 	if ((data & 0x03) < 3) {
161 		main_bank = data & 3;
162 
163 		HD6309MapMemory(DrvHD6309ROM + (main_bank * 0x2000), 0x4000, 0x5fff, MAP_ROM);
164 	}
165 }
166 
flkatck_main_read(UINT16 address)167 static UINT8 flkatck_main_read(UINT16 address)
168 {
169 	switch (address)
170 	{
171 		case 0x0400:
172 			return DrvInputs[1];
173 
174 		case 0x0401:
175 			return DrvInputs[2];
176 
177 		case 0x0402:
178 			return DrvDips[2]; // dsw3
179 
180 		case 0x0403:
181 			return DrvInputs[0];
182 
183 		case 0x0406:
184 			return DrvDips[1];
185 
186 		case 0x0407:
187 			return DrvDips[0];
188 	}
189 
190 	return 0;
191 }
192 
flkatck_main_write(UINT16 address,UINT8 data)193 static void flkatck_main_write(UINT16 address, UINT8 data)
194 {
195 	if ((address & 0xfff8) == 0x0000) {
196 		k007121_ctrl_write(0, address & 7, data);
197 	}
198 
199 	if (address < 0x100) {
200 		DrvHD6309RAM[address] = data;
201 		return;
202 	}
203 
204 	switch (address & ~3)
205 	{
206 		case 0x0410:
207 			bankswitch(data); // and coin counters - data & 0x18
208 		return;
209 
210 		case 0x0414:
211 			soundlatch = data;
212 		return;
213 
214 		case 0x0418:
215 			ZetSetIRQLine(0, CPU_IRQSTATUS_HOLD);
216 		return;
217 
218 		case 0x041c:
219 			BurnWatchdogWrite();
220 		return;
221 	}
222 }
223 
flkatck_sound_write(UINT16 address,UINT8 data)224 static void __fastcall flkatck_sound_write(UINT16 address, UINT8 data)
225 {
226 	switch (address)
227 	{
228 		case 0x9000:
229 		case 0x9001:
230 			multiply_register[address & 1] = data;
231 		return;
232 
233 		case 0x9006:
234 		return;
235 
236 		case 0xb000:
237 		case 0xb001:
238 		case 0xb002:
239 		case 0xb003:
240 		case 0xb004:
241 		case 0xb005:
242 		case 0xb006:
243 		case 0xb007:
244 		case 0xb008:
245 		case 0xb009:
246 		case 0xb00a:
247 		case 0xb00b:
248 		case 0xb00c:
249 		case 0xb00d:
250 			K007232WriteReg(0, address & 0x0f, data);
251 		return;
252 
253 		case 0xc000:
254 		case 0xc001:
255 			BurnYM2151Write(address & 1, data);
256 		return;
257 	}
258 }
259 
flkatck_sound_read(UINT16 address)260 static UINT8 __fastcall flkatck_sound_read(UINT16 address)
261 {
262 	switch (address)
263 	{
264 		case 0x9000:
265 			return (multiply_register[0] * multiply_register[1]) & 0xff;
266 
267 		case 0x9001:
268 		case 0x9004:
269 			return 0;
270 
271 		case 0xa000:
272 			return soundlatch;
273 
274 		case 0xb000:
275 		case 0xb001:
276 		case 0xb002:
277 		case 0xb003:
278 		case 0xb004:
279 		case 0xb005:
280 		case 0xb006:
281 		case 0xb007:
282 		case 0xb008:
283 		case 0xb009:
284 		case 0xb00a:
285 		case 0xb00b:
286 		case 0xb00c:
287 		case 0xb00d:
288 			return K007232ReadReg(0, address & 0x0f);
289 
290 		case 0xc000:
291 		case 0xc001:
292 			return BurnYM2151Read();
293 	}
294 
295 	return 0;
296 }
297 
tilemap_callback(bg)298 static tilemap_callback( bg )
299 {
300 	UINT8 ctrl_0 = k007121_ctrl_read(0,0);
301 	UINT8 ctrl_2 = k007121_ctrl_read(0,2);
302 	UINT8 ctrl_3 = k007121_ctrl_read(0,3);
303 	UINT8 ctrl_4 = k007121_ctrl_read(0,4);
304 	UINT8 ctrl_5 = k007121_ctrl_read(0,5);
305 	UINT8 attr = DrvVidRAM0[offs];
306 	INT32 bit0 = (ctrl_5 >> 0) & 0x03;
307 	INT32 bit1 = (ctrl_5 >> 2) & 0x03;
308 	INT32 bit2 = (ctrl_5 >> 4) & 0x03;
309 	INT32 bit3 = (ctrl_5 >> 6) & 0x03;
310 	INT32 bank = ((attr & 0x80) >> 7) |
311 			((attr >> (bit0 + 2)) & 0x02) |
312 			((attr >> (bit1 + 1)) & 0x04) |
313 			((attr >> (bit2  )) & 0x08) |
314 			((attr >> (bit3 - 1)) & 0x10) |
315 			((ctrl_3 & 0x01) << 5);
316 	INT32 mask = (ctrl_4 & 0xf0) >> 4;
317 
318 	bank = (bank & ~(mask << 1)) | ((ctrl_4 & mask) << 1);
319 
320 	if ((attr == 0x0d) && (!ctrl_0) && (!ctrl_2))
321 		bank = 0;
322 
323 	TILE_SET_INFO(0, DrvVidRAM0[offs + 0x400] + (bank * 256), (attr & 0x0f) + 16, (attr & 0x20) ? TILE_FLIPY : 0);
324 }
325 
tilemap_callback(fg)326 static tilemap_callback( fg )
327 {
328 	TILE_SET_INFO(0, DrvVidRAM1[offs + 0x400], DrvVidRAM1[offs], 0);
329 }
330 
DrvK007232VolCallback(INT32 v)331 static void DrvK007232VolCallback(INT32 v)
332 {
333 	K007232SetVolume(0, 0, (v >> 4) * 0x11, 0);
334 	K007232SetVolume(0, 1, 0, (v & 0x0f) * 0x11);
335 }
336 
DrvDoReset(INT32 clear_mem)337 static INT32 DrvDoReset(INT32 clear_mem)
338 {
339 	if (clear_mem) {
340 		memset (AllRam, 0, RamEnd - AllRam);
341 	}
342 
343 	HD6309Open(0);
344 	bankswitch(0);
345 	HD6309Reset();
346 	HD6309Close();
347 
348 	ZetOpen(0);
349 	ZetReset();
350 	ZetClose();
351 
352 	BurnYM2151Reset();
353 	K007232Reset(0);
354 	k007232_set_bank(0, 0, 1);
355 
356 	k007121_reset();
357 
358 	BurnWatchdogReset();
359 
360 	multiply_register[0] = 0;
361 	multiply_register[1] = 0;
362 	flipscreen = 0;
363 	soundlatch = 0;
364 
365 	nExtraCycles = 0;
366 
367 	return 0;
368 }
369 
MemIndex()370 static INT32 MemIndex()
371 {
372 	UINT8 *Next; Next = AllMem;
373 
374 	DrvHD6309ROM	= Next; Next += 0x010000;
375 	DrvZ80ROM		= Next; Next += 0x008000;
376 
377 	DrvGfxROM		= Next; Next += 0x100000;
378 
379 	DrvSndROM		= Next; Next += 0x040000;
380 
381 	DrvPalette		= (UINT32*)Next; Next += 0x200 * sizeof(UINT32);
382 
383 	AllRam			= Next;
384 
385 	DrvZ80RAM		= Next; Next += 0x000800;
386 
387 	DrvHD6309RAM	= Next; Next += 0x004000;
388 	DrvPalRAM		= Next; Next += 0x000400;
389 	DrvVidRAM0		= Next; Next += 0x000800;
390 	DrvVidRAM1		= Next; Next += 0x000800;
391 	DrvSprRAM		= Next; Next += 0x000800;
392 	DrvSprBUF		= Next; Next += 0x000800;
393 
394 	RamEnd			= Next;
395 	MemEnd			= Next;
396 
397 	return 0;
398 }
399 
graphics_expand()400 static void graphics_expand()
401 {
402 	for (INT32 i = 0x80000-1; i >= 0; i--)
403 	{
404 		DrvGfxROM[i*2+1] = DrvGfxROM[i^1] & 0xf;
405 		DrvGfxROM[i*2+0] = DrvGfxROM[i^1] >> 4;
406 	}
407 }
408 
DrvInit(INT32 rom_layout)409 static INT32 DrvInit(INT32 rom_layout)
410 {
411 	AllMem = NULL;
412 	MemIndex();
413 	INT32 nLen = MemEnd - (UINT8 *)0;
414 	if ((AllMem = (UINT8 *)BurnMalloc(nLen)) == NULL) return 1;
415 	memset(AllMem, 0, nLen);
416 	MemIndex();
417 
418 	{
419 		if (BurnLoadRom(DrvHD6309ROM + 0x00000,  0, 1)) return 1;
420 
421 		if (BurnLoadRom(DrvZ80ROM    + 0x00000,  1, 1)) return 1;
422 
423 		if (BurnLoadRom(DrvSndROM    + 0x00000,  2, 1)) return 1;
424 
425 		if (rom_layout == 0)
426 		{
427 			if (BurnLoadRom(DrvGfxROM   + 0x00000,  3, 1)) return 1;
428 		}
429 		else
430 		{
431 			if (BurnLoadRom(DrvGfxROM   + 0x00001,  3, 2)) return 1;
432 			if (BurnLoadRom(DrvGfxROM   + 0x00000,  4, 2)) return 1;
433 			if (BurnLoadRom(DrvGfxROM   + 0x20001,  5, 2)) return 1;
434 			if (BurnLoadRom(DrvGfxROM   + 0x20000,  6, 2)) return 1;
435 			if (BurnLoadRom(DrvGfxROM   + 0x40001,  7, 2)) return 1;
436 			if (BurnLoadRom(DrvGfxROM   + 0x40000,  8, 2)) return 1;
437 			if (BurnLoadRom(DrvGfxROM   + 0x60001,  9, 2)) return 1;
438 			if (BurnLoadRom(DrvGfxROM   + 0x60000, 10, 2)) return 1;
439 		}
440 
441 		graphics_expand();
442 	}
443 
444 	HD6309Init(1);
445 	HD6309Open(0);
446 	HD6309MapMemory(DrvHD6309RAM,			0x0000, 0x00ff, MAP_ROM); // write through handler
447 	HD6309MapMemory(DrvHD6309RAM + 0x0100,	0x0100, 0x03ff, MAP_RAM);
448 	HD6309MapMemory(DrvPalRAM,				0x0800, 0x0bff, MAP_RAM);
449 	HD6309MapMemory(DrvHD6309RAM + 0x1000,	0x1000, 0x17ff, MAP_RAM);
450 	HD6309MapMemory(DrvSprBUF,				0x1800, 0x1fff, MAP_RAM);
451 	HD6309MapMemory(DrvVidRAM0,				0x2000, 0x27ff, MAP_RAM);
452 	HD6309MapMemory(DrvVidRAM1,				0x2800, 0x2fff, MAP_RAM);
453 	HD6309MapMemory(DrvHD6309RAM + 0x3000,	0x3000, 0x3fff, MAP_RAM);
454 	HD6309MapMemory(DrvHD6309ROM + 0x6000,	0x6000, 0xffff, MAP_ROM);
455 	HD6309SetWriteHandler(flkatck_main_write);
456 	HD6309SetReadHandler(flkatck_main_read);
457 	HD6309Close();
458 
459 	ZetInit(0);
460 	ZetOpen(0);
461 	ZetMapMemory(DrvZ80ROM,					0x0000, 0x7fff, MAP_RAM);
462 	ZetMapMemory(DrvZ80RAM,					0x8000, 0x87ff, MAP_RAM);
463 	ZetSetWriteHandler(flkatck_sound_write);
464 	ZetSetReadHandler(flkatck_sound_read);
465 	ZetClose();
466 
467 	BurnWatchdogInit(DrvDoReset, 180);
468 
469 	BurnYM2151Init(3579545);
470 	BurnYM2151SetRoute(BURN_SND_YM2151_YM2151_ROUTE_1, 1.00, BURN_SND_ROUTE_LEFT);
471 	BurnYM2151SetRoute(BURN_SND_YM2151_YM2151_ROUTE_2, 1.00, BURN_SND_ROUTE_RIGHT);
472 
473 	K007232Init(0, 3579545, DrvSndROM, 0x40000);
474 	K007232SetPortWriteHandler(0, DrvK007232VolCallback);
475 	K007232PCMSetAllRoutes(0, 0.35, BURN_SND_ROUTE_BOTH);
476 
477 	GenericTilesInit();
478 	GenericTilemapInit(0, TILEMAP_SCAN_ROWS, bg_map_callback, 8, 8, 32, 32);
479 	GenericTilemapInit(1, TILEMAP_SCAN_ROWS, fg_map_callback, 8, 8, 32, 32);
480 	GenericTilemapSetGfx(0, DrvGfxROM, 4, 8, 8, 0x100000, 0x100, 0xf);
481 	GenericTilemapSetOffsets(TMAP_GLOBAL, 0, -16);
482 
483 	k007121_init(0, (0x100000 / (8 * 8)) - 1);
484 
485 	DrvDoReset(1);
486 
487 	return 0;
488 }
489 
DrvExit()490 static INT32 DrvExit()
491 {
492 	GenericTilesExit();
493 
494 	HD6309Exit();
495 	ZetExit();
496 
497 	K007232Exit();
498 	BurnYM2151Exit();
499 
500 	BurnFree (AllMem);
501 
502 	return 0;
503 }
504 
DrvPaletteUpdate()505 static void DrvPaletteUpdate()
506 {
507 	for (INT32 i = 0; i < 0x400; i+=2)
508 	{
509 		UINT16 p = (DrvPalRAM[i+1] * 256) + DrvPalRAM[i];
510 
511 		UINT8 r = (p & 0x1f);
512 		UINT8 g = (p >> 5) & 0x1f;
513 		UINT8 b = (p >> 10) & 0x1f;
514 
515 		r = (r << 3) | (r >> 2);
516 		g = (g << 3) | (g >> 2);
517 		b = (b << 3) | (b >> 2);
518 
519 		DrvPalette[i/2] = BurnHighCol(r,g,b,0);
520 	}
521 }
522 
DrvDraw()523 static INT32 DrvDraw()
524 {
525 	if (DrvRecalc) {
526 		DrvPaletteUpdate();
527 		DrvRecalc = 1;
528 	}
529 
530 	GenericTilemapSetScrollX(0, k007121_ctrl_read(0, 0) - 40);
531 	GenericTilemapSetScrollY(0, k007121_ctrl_read(0, 2));
532 
533 	BurnTransferClear();
534 
535 	if (nBurnLayer & 1) GenericTilemapDraw(0, pTransDraw, 0);
536 
537 	if (nSpriteEnable & 1) k007121_draw(0, pTransDraw, DrvGfxROM, NULL, DrvSprRAM, 0, 40, 16, 0, -1, 0x0000);
538 
539 	GenericTilesSetClip(-1, 40, -1, -1);
540 	if (nBurnLayer & 2) GenericTilemapDraw(1, pTransDraw, 0);
541 	GenericTilesClearClip();
542 
543 	BurnTransferCopy(DrvPalette);
544 
545 	return 0;
546 }
547 
DrvFrame()548 static INT32 DrvFrame()
549 {
550 	BurnWatchdogUpdate();
551 
552 	if (DrvReset) {
553 		DrvDoReset(1);
554 	}
555 
556 	{
557 		memset (DrvInputs, 0xff, 3 * sizeof(UINT8));
558 
559 		for (INT32 i = 0; i < 8; i++) {
560 			DrvInputs[0] ^= (DrvJoy1[i] & 1) << i;
561 			DrvInputs[1] ^= (DrvJoy2[i] & 1) << i;
562 			DrvInputs[2] ^= (DrvJoy3[i] & 1) << i;
563 		}
564 	}
565 
566 	INT32 nSoundBufferPos = 0;
567 	INT32 nInterleave = 256;
568 	INT32 nCyclesTotal[2] = { 3000000 / 60, 3579545 / 60 };
569 	INT32 nCyclesDone[2] = { nExtraCycles, 0 };
570 
571 	HD6309Open(0);
572 	ZetOpen(0);
573 
574 	for (INT32 i = 0; i < nInterleave; i++)
575 	{
576 		nCyclesDone[0] += HD6309Run((nCyclesTotal[0] * (i + 1) / nInterleave) - nCyclesDone[0]);
577 		if (i == 240) {
578 			if (k007121_ctrl_read(0, 7) & 0x02)
579 				HD6309SetIRQLine(0, CPU_IRQSTATUS_HOLD);
580 
581 			if (pBurnDraw) { // missing text in service mode if drawn after vbl
582 				DrvDraw();
583 			}
584 
585 			memcpy(DrvSprRAM, DrvSprBUF, 0x800);
586 		}
587 
588 		nCyclesDone[1] += ZetRun(nCyclesTotal[1] / nInterleave);
589 
590 		if (pBurnSoundOut && i&1) {
591 			INT32 nSegmentLength = nBurnSoundLen / (nInterleave / 2);
592 			INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
593 			BurnYM2151Render(pSoundBuf, nSegmentLength);
594 			nSoundBufferPos += nSegmentLength;
595 		}
596 	}
597 
598 	if (pBurnSoundOut) {
599 		INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
600 		if (nSegmentLength) {
601 			INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
602 			BurnYM2151Render(pSoundBuf, nSegmentLength);
603 		}
604 		K007232Update(0, pBurnSoundOut, nBurnSoundLen); // only update K007232 once per frame
605 	}
606 
607 	ZetClose();
608 	HD6309Close();
609 
610 	nExtraCycles = nCyclesDone[0] - nCyclesTotal[0];
611 
612 	return 0;
613 }
614 
DrvScan(INT32 nAction,INT32 * pnMin)615 static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
616 {
617 	struct BurnArea ba;
618 
619 	if (pnMin) {
620 		*pnMin = 0x029702;
621 	}
622 
623 	if (nAction & ACB_VOLATILE) {
624 		memset(&ba, 0, sizeof(ba));
625 
626 		ba.Data	  = AllRam;
627 		ba.nLen	  = RamEnd - AllRam;
628 		ba.szName = "All Ram";
629 		BurnAcb(&ba);
630 
631 		HD6309Scan(nAction);
632 		ZetScan(nAction);
633 		BurnWatchdogScan(nAction);
634 
635 		k007121_scan(nAction);
636 
637 		BurnYM2151Scan(nAction, pnMin);
638 		K007232Scan(nAction, pnMin);
639 
640 		SCAN_VAR(soundlatch);
641 		SCAN_VAR(flipscreen);
642 		SCAN_VAR(multiply_register);
643 		SCAN_VAR(main_bank);
644 		SCAN_VAR(nExtraCycles);
645 	}
646 
647 	if (nAction & ACB_WRITE)
648 	{
649 		HD6309Open(0);
650 		bankswitch(main_bank);
651 		HD6309Close();
652 	}
653 
654 	return 0;
655 }
656 
657 
658 // MX5000
659 
660 static struct BurnRomInfo mx5000RomDesc[] = {
661 	{ "669_r01.16c",	0x10000, 0x79b226fc, 1 | BRF_PRG | BRF_ESS }, //  0 HD6309 Code
662 
663 	{ "669_m02.16b",	0x08000, 0x7e11e6b9, 2 | BRF_PRG | BRF_ESS }, //  1 Z80 Code
664 
665 	{ "mask2m.11a",		0x40000, 0x6d1ea61c, 3 | BRF_SND },           //  2 k007232 Samples
666 
667 	{ "mask4m.5e",		0x80000, 0xff1d718b, 4 | BRF_GRA },           //  3 Graphics
668 };
669 
670 STD_ROM_PICK(mx5000)
STD_ROM_FN(mx5000)671 STD_ROM_FN(mx5000)
672 
673 static INT32 Mx5000Init()
674 {
675 	return DrvInit(0);
676 }
677 
678 struct BurnDriver BurnDrvMx5000 = {
679 	"mx5000", NULL, NULL, NULL, "1987",
680 	"MX5000\0", NULL, "Konami", "GX669",
681 	NULL, NULL, NULL, NULL,
682 	BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_PREFIX_KONAMI, GBF_VERSHOOT, 0,
683 	NULL, mx5000RomInfo, mx5000RomName, NULL, NULL, NULL, NULL, FlkatckInputInfo, FlkatckDIPInfo,
684 	Mx5000Init, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x200,
685 	224, 280, 3, 4
686 };
687 
688 
689 // Flak Attack (Japan)
690 
691 static struct BurnRomInfo flkatckRomDesc[] = {
692 	{ "669_p01.16c",	0x10000, 0xc5cd2807, 1 | BRF_PRG | BRF_ESS }, //  0 HD6309 Code
693 
694 	{ "669_m02.16b",	0x08000, 0x7e11e6b9, 2 | BRF_PRG | BRF_ESS }, //  1 Z80 Code
695 
696 	{ "mask2m.11a",		0x40000, 0x6d1ea61c, 3 | BRF_SND },           //  2 k007232 Samples
697 
698 	{ "mask4m.5e",		0x80000, 0xff1d718b, 4 | BRF_GRA },           //  3 Graphics
699 };
700 
701 STD_ROM_PICK(flkatck)
702 STD_ROM_FN(flkatck)
703 
704 struct BurnDriver BurnDrvFlkatck = {
705 	"flkatck", "mx5000", NULL, NULL, "1987",
706 	"Flak Attack (Japan)\0", NULL, "Konami", "GX669",
707 	NULL, NULL, NULL, NULL,
708 	BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_PREFIX_KONAMI, GBF_VERSHOOT, 0,
709 	NULL, flkatckRomInfo, flkatckRomName, NULL, NULL, NULL, NULL, FlkatckInputInfo, FlkatckDIPInfo,
710 	Mx5000Init, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x200,
711 	224, 280, 3, 4
712 };
713 
714 
715 // Flak Attack (Japan, PWB 450593 sub-board)
716 
717 static struct BurnRomInfo flkatckaRomDesc[] = {
718 	{ "669_p01.16c",	0x10000, 0xc5cd2807, 1 | BRF_PRG | BRF_ESS }, //  0 HD6309 Code
719 
720 	{ "669_m02.16b",	0x08000, 0x7e11e6b9, 2 | BRF_PRG | BRF_ESS }, //  1 Z80 Code
721 
722 	{ "mask2m.11a",		0x40000, 0x6d1ea61c, 3 | BRF_GRA },           //  2 k007232 Samples
723 
724 	{ "669_f03a.4b",	0x10000, 0xf0ed4c1e, 4 | BRF_GRA },           //  3 Graphics
725 	{ "669_f03e.4d",	0x10000, 0x95a57a26, 4 | BRF_GRA },           //  4
726 	{ "669_f03b.5b",	0x10000, 0xe2593f3c, 4 | BRF_GRA },           //  5
727 	{ "669_f03f.5d",	0x10000, 0xc6c9903e, 4 | BRF_GRA },           //  6
728 	{ "669_f03c.6b",	0x10000, 0x47be92dd, 4 | BRF_GRA },           //  7
729 	{ "669_f03g.6d",	0x10000, 0x70d35fbd, 4 | BRF_GRA },           //  8
730 	{ "669_f03d.7b",	0x10000, 0x18d48f9e, 4 | BRF_GRA },           //  9
731 	{ "669_f03h.7d",	0x10000, 0xabfe76e7, 4 | BRF_GRA },           // 10
732 };
733 
734 STD_ROM_PICK(flkatcka)
STD_ROM_FN(flkatcka)735 STD_ROM_FN(flkatcka)
736 
737 static INT32 FlkatckaInit()
738 {
739 	return DrvInit(1);
740 }
741 
742 struct BurnDriver BurnDrvFlkatcka = {
743 	"flkatcka", "mx5000", NULL, NULL, "1987",
744 	"Flak Attack (Japan, PWB 450593 sub-board)\0", NULL, "Konami", "GX669",
745 	NULL, NULL, NULL, NULL,
746 	BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL | BDF_ORIENTATION_FLIPPED, 2, HARDWARE_PREFIX_KONAMI, GBF_VERSHOOT, 0,
747 	NULL, flkatckaRomInfo, flkatckaRomName, NULL, NULL, NULL, NULL, FlkatckInputInfo, FlkatckDIPInfo,
748 	FlkatckaInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x200,
749 	224, 280, 3, 4
750 };
751