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r18999 Saturday 17th November, 2012 at 03:59:32 UTC by Tafoid
[MESS] Started wrapping some neocd functions in mame code, now sending valid cd commands and some sets are now booting on neocdz.  From Haze (nw)
[hash]neocd.xml
[src/mess/drivers]ng_aes.c

trunk/hash/neocd.xml
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1515        </diskarea>
1616     </part>
1717  </software>
18   
18
19  <software name="lbowling">
20    <description>League Bowling (1994)(SNK)(JP-US)[!]</description>
21    <year>199?</year>
22    <publisher>SNK</publisher>
23    <part name="cdrom" interface="neocd_cdrom">
24      <diskarea name="cdrom">
25        <disk name="league bowling (1994)(snk)(jp-us)[!]" sha1="ca657fa76e16ae70745a6938770677c523daa041"/>
26      </diskarea>
27    </part>
28  </software>
29
30  <software name="crsword2">
31    <description>Crossed Swords II (1995)(ADK)(JP)[!]</description>
32    <year>199?</year>
33    <publisher>SNK</publisher>
34    <part name="cdrom" interface="neocd_cdrom">
35      <diskarea name="cdrom">
36        <disk name="crossed swords ii (1995)(adk)(jp)[!]" sha1="dc65e9a937bfc912c3fdaff0b8200bfd4df4c34c"/>
37      </diskarea>
38    </part>
39  </software>
40
41  <software name="zintrick">
42    <description>Oshidashi Zintrick (1996)(ADK)(JP)[!][Zintrick]</description>
43    <year>199?</year>
44    <publisher>SNK</publisher>
45    <part name="cdrom" interface="neocd_cdrom">
46      <diskarea name="cdrom">
47        <disk name="oshidashi zintrick (1996)(adk)(jp)[!][zintrick]" sha1="46ab081316ffc6d5cca76fee679e80270fe1a8ab"/>
48      </diskarea>
49    </part>
50  </software>
51
52  <software name="fromanc2">
53    <description>Idol Mahjong Final Romance 2 (1995)(Video System)(JP)[!]</description>
54    <year>199?</year>
55    <publisher>SNK</publisher>
56    <part name="cdrom" interface="neocd_cdrom">
57      <diskarea name="cdrom">
58        <disk name="idol mahjong final romance 2 (1995)(video system)(jp)[!]" sha1="63c2b6c8cccfbcba9c41efb61954db9885ff9869"/>
59      </diskarea>
60    </part>
61  </software>
62
63  <software name="lasthope">
64    <description>Last Hope (DE) [NGDT CD-300J] [N.A.]</description>
65    <year>199?</year>
66    <publisher>SNK</publisher>
67    <part name="cdrom" interface="neocd_cdrom">
68      <diskarea name="cdrom">
69        <disk name="cd-rom [ngdt cd-300j] [v2007-10-03] [!-]" sha1="4cf60613098531b49c447a2b223aeb49a6395fd2"/>
70      </diskarea>
71    </part>
72  </software>
73
74  <software name="ironclad">
75    <description>Choutetsu Brikin'ger (1996)(Saurus)(JP)[!][Ironclad]</description>
76    <year>199?</year>
77    <publisher>SNK</publisher>
78    <part name="cdrom" interface="neocd_cdrom">
79      <diskarea name="cdrom">
80        <disk name="choutetsu brikin'ger (1996)(saurus)(jp)[!][ironclad]" sha1="4d518370686853c727eb300a91c0f070c3333225"/>
81      </diskarea>
82    </part>
83  </software>
84
85  <software name="ncdspec">
86    <description>Neo Geo CD Special (1996)(SNK)(JP)[!]</description>
87    <year>199?</year>
88    <publisher>SNK</publisher>
89    <part name="cdrom" interface="neocd_cdrom">
90      <diskarea name="cdrom">
91        <disk name="neo geo cd special (1996)(snk)(jp)[!]" sha1="20ceb3e2cb21c6ccad99e0e21dc990affb4ecc39"/>
92      </diskarea>
93    </part>
94  </software>
95
96
97  <software name="kof96col">
98    <description>King of Fighters '96 NEOGEO Collection, The (1997)(SNK)(JP)[!][NGCD-229 MT B07]</description>
99    <year>199?</year>
100    <publisher>SNK</publisher>
101    <part name="cdrom" interface="neocd_cdrom">
102      <diskarea name="cdrom">
103        <disk name="king of fighters '96 neogeo collection, the (1997)(snk)(jp)[!][ngcd-229 mt b07]" sha1="4f0fa12fc1e6b77e08fbbfa84366dbb04ca09f32"/>
104      </diskarea>
105    </part>
106  </software>
107
108  <software name="trally">
109    <description>Rally Chase (1994)(ADK)(JP)[!]</description>
110    <year>199?</year>
111    <publisher>SNK</publisher>
112    <part name="cdrom" interface="neocd_cdrom">
113      <diskarea name="cdrom">
114        <disk name="rally chase (1994)(adk)(jp)[!]" sha1="07a394aaf9937206f4bd61e2c9f46afe1a43aecb"/>
115      </diskarea>
116    </part>
117  </software>
118
119  <software name="adkworld">
120    <description>ADK World (1995)(ADK)(JP)[!]</description>
121    <year>199?</year>
122    <publisher>SNK</publisher>
123    <part name="cdrom" interface="neocd_cdrom">
124      <diskarea name="cdrom">
125        <disk name="adk world (1995)(adk)(jp)[!]" sha1="c99032d62ce5bf6be9b1dc37c70ef45a4dc37180"/>
126      </diskarea>
127    </part>
128  </software>
129
130  <software name="samsrpg">
131    <description>Shinsetsu Samurai Spirits - Bushidohretsuden (1997)(SNK)(JP)[!][NGCD-0850 MT A01]</description>
132    <year>199?</year>
133    <publisher>SNK</publisher>
134    <part name="cdrom" interface="neocd_cdrom">
135      <diskarea name="cdrom">
136        <disk name="shinsetsu samurai spirits - bushidohretsuden (1997)(snk)(jp)[!][ngcd-0850 mt a01]" sha1="5df33f9533c2bc55c3354790bcafb1350039b438"/>
137      </diskarea>
138    </part>
139  </software>
140
19141  <!-- disable most things for now, until I actually get it working -->
20142  <!--
21143  <software name="2020bb">
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40162     </part>
41163  </software>
42164
43  <software name="adkworld">
44     <description>ADK World (1995)(ADK)(JP)[!]</description>
45     <year>199?</year>
46     <publisher>SNK</publisher>
47     <part name="cdrom" interface="neocd_cdrom">
48        <diskarea name="cdrom">
49           <disk name="adk world (1995)(adk)(jp)[!]" sha1="c99032d62ce5bf6be9b1dc37c70ef45a4dc37180"/>
50        </diskarea>
51     </part>
52  </software>
53
54165  <software name="sonicwi2">
55166     <description>Aero Fighters 2 (1994)(SNK)(JP-US)[!][Sonic Wings 2]</description>
56167     <year>199?</year>
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200311     <publisher>SNK</publisher>
201312     <part name="cdrom" interface="neocd_cdrom">
202313        <diskarea name="cdrom">
203           <disk name="cd-rom [ngcd-500] [v2011-12-22] [!-].chd" sha1="95c9e0b42410ac4e384529b3c067cb55e9b0e537"/>
314           <disk name="cd-rom [ngcd-500] [v2011-12-22] [!-]" sha1="95c9e0b42410ac4e384529b3c067cb55e9b0e537"/>
204315        </diskarea>
205316     </part>
206317  </software>
207318
208  <software name="lasthope">
209     <description>Last Hope (DE) [NGDT CD-300J] [N.A.]</description>
210     <year>199?</year>
211     <publisher>SNK</publisher>
212     <part name="cdrom" interface="neocd_cdrom">
213        <diskarea name="cdrom">
214           <disk name="cd-rom [ngdt cd-300j] [v2007-10-03] [!-].chd" sha1="4cf60613098531b49c447a2b223aeb49a6395fd2"/>
215        </diskarea>
216     </part>
217  </software>
218319
219  <software name="ironclad">
220     <description>Choutetsu Brikin'ger (1996)(Saurus)(JP)[!][Ironclad]</description>
221     <year>199?</year>
222     <publisher>SNK</publisher>
223     <part name="cdrom" interface="neocd_cdrom">
224        <diskarea name="cdrom">
225           <disk name="choutetsu brikin'ger (1996)(saurus)(jp)[!][ironclad]" sha1="4d518370686853c727eb300a91c0f070c3333225"/>
226        </diskarea>
227     </part>
228  </software>
229320
230321  <software name="crsword">
231322     <description>Crossed Swords (1994)(ADK)(JP)[!]</description>
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238329     </part>
239330  </software>
240331
241  <software name="crsword2">
242     <description>Crossed Swords II (1995)(ADK)(JP)[!]</description>
243     <year>199?</year>
244     <publisher>SNK</publisher>
245     <part name="cdrom" interface="neocd_cdrom">
246        <diskarea name="cdrom">
247           <disk name="crossed swords ii (1995)(adk)(jp)[!]" sha1="dc65e9a937bfc912c3fdaff0b8200bfd4df4c34c"/>
248        </diskarea>
249     </part>
250  </software>
251332
333
252334  <software name="cyberlip">
253335     <description>Cyber-Lip (1995)(SNK)(JP-US)[!]</description>
254336     <year>199?</year>
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370452     </part>
371453  </software>
372454
373  <software name="fromanc2">
374     <description>Idol Mahjong Final Romance 2 (1995)(Video System)(JP)[!]</description>
375     <year>199?</year>
376     <publisher>SNK</publisher>
377     <part name="cdrom" interface="neocd_cdrom">
378        <diskarea name="cdrom">
379           <disk name="idol mahjong final romance 2 (1995)(video system)(jp)[!]" sha1="63c2b6c8cccfbcba9c41efb61954db9885ff9869"/>
380        </diskarea>
381     </part>
382  </software>
383455
384456  <software name="janshin">
385457     <description>Janshin Densetsu - Quest of the Jongmaster (1995)(SNK)(JP)[!]</description>
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447519     </part>
448520  </software>
449521
450  <software name="kof96col">
451     <description>King of Fighters '96 NEOGEO Collection, The (1997)(SNK)(JP)[!][NGCD-229 MT B07]</description>
452     <year>199?</year>
453     <publisher>SNK</publisher>
454     <part name="cdrom" interface="neocd_cdrom">
455        <diskarea name="cdrom">
456           <disk name="king of fighters '96 neogeo collection, the (1997)(snk)(jp)[!][ngcd-229 mt b07]" sha1="4f0fa12fc1e6b77e08fbbfa84366dbb04ca09f32"/>
457        </diskarea>
458     </part>
459  </software>
460
461522  <software name="kof96">
462523     <description>King of Fighters '96, The (1996)(SNK)(JP)[!][NGCD-214 MT A02+A03]</description>
463524     <year>199?</year>
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546607     </part>
547608  </software>
548609
549  <software name="lbowling">
550     <description>League Bowling (1994)(SNK)(JP-US)[!]</description>
551     <year>199?</year>
552     <publisher>SNK</publisher>
553     <part name="cdrom" interface="neocd_cdrom">
554        <diskarea name="cdrom">
555           <disk name="league bowling (1994)(snk)(jp-us)[!]" sha1="ca657fa76e16ae70745a6938770677c523daa041"/>
556        </diskarea>
557     </part>
558  </software>
559
560610  <software name="magdrop2">
561611     <description>Magical Drop 2 (1996)(Data East)(JP)[!]</description>
562612     <year>199?</year>
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645695     </part>
646696  </software>
647697
648  <software name="ncdspec">
649     <description>Neo Geo CD Special (1996)(SNK)(JP)[!]</description>
650     <year>199?</year>
651     <publisher>SNK</publisher>
652     <part name="cdrom" interface="neocd_cdrom">
653        <diskarea name="cdrom">
654           <disk name="neo geo cd special (1996)(snk)(jp)[!]" sha1="20ceb3e2cb21c6ccad99e0e21dc990affb4ecc39"/>
655        </diskarea>
656     </part>
657  </software>
658698
699
659700  <software name="turfmast">
660701     <description>Neo Turf Masters (1996)(SNK)(JP)[!][Big Tournament Golf]</description>
661702     <year>199?</year>
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700741     </part>
701742  </software>
702743
703  <software name="zintrick">
704     <description>Oshidashi Zintrick (1996)(ADK)(JP)[!][Zintrick]</description>
705     <year>199?</year>
706     <publisher>SNK</publisher>
707     <part name="cdrom" interface="neocd_cdrom">
708        <diskarea name="cdrom">
709           <disk name="oshidashi zintrick (1996)(adk)(jp)[!][zintrick]" sha1="46ab081316ffc6d5cca76fee679e80270fe1a8ab"/>
710        </diskarea>
711     </part>
712  </software>
713744
714745  <software name="overtop">
715746     <description>OverTop (1996)(ADK)(JP)[!]</description>
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777808     </part>
778809  </software>
779810
780  <software name="trally">
781     <description>Rally Chase (1994)(ADK)(JP)[!]</description>
782     <year>199?</year>
783     <publisher>SNK</publisher>
784     <part name="cdrom" interface="neocd_cdrom">
785        <diskarea name="cdrom">
786           <disk name="rally chase (1994)(adk)(jp)[!]" sha1="07a394aaf9937206f4bd61e2c9f46afe1a43aecb"/>
787        </diskarea>
788     </part>
789  </software>
790
791811  <software name="rbff1">
792812     <description>Real Bout Fatal Fury (1996)(SNK)(JP-US)[!][Real Bout Garou Densetsu][NGCD-095 MT B06+B08, NGCD-095E]</description>
793813     <year>199?</year>
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931951     </part>
932952  </software>
933953
934  <software name="samsrpg">
935     <description>Shinsetsu Samurai Spirits - Bushidohretsuden (1997)(SNK)(JP)[!][NGCD-0850 MT A01]</description>
936     <year>199?</year>
937     <publisher>SNK</publisher>
938     <part name="cdrom" interface="neocd_cdrom">
939        <diskarea name="cdrom">
940           <disk name="shinsetsu samurai spirits - bushidohretsuden (1997)(snk)(jp)[!][ngcd-0850 mt a01]" sha1="5df33f9533c2bc55c3354790bcafb1350039b438"/>
941        </diskarea>
942     </part>
943  </software>
944
945954  <software name="mosyougi">
946955     <description>Shougi no Tatsujin - Master of Syougi (1995)(ADK)(JP)[!]</description>
947956     <year>199?</year>
trunk/src/mess/drivers/ng_aes.c
r18998r18999
3838#include "imagedev/chd_cd.h"
3939#include "sound/cdda.h"
4040
41struct neocd_t
42{
43   cdrom_file   *cd;
44   const cdrom_toc   *toc;
45   UINT32 current_frame;
46};
47
48static neocd_t neocd;
49
4150extern const char layout_neogeo[];
4251
4352static const char *audio_banks[4] =
r18998r18999
6776#define SEK_IRQSTATUS_AUTO (0x2000)
6877#define SEK_IRQSTATUS_ACK  (0x1000)
6978
70static INT32 nNeoCDIRQVector = 0;
71static INT32 nNeoCDIRQVectorAck = 0;
79static IRQ_CALLBACK(neocd_int_callback);
7280
7381/* Stubs for various functions called by the FBA code, replace with MAME specifics later */
7482#define MAX_SLOT      (8)
7583UINT8 *NeoSpriteRAM, *NeoTextRAM;
76UINT8* NeoSpriteROM[MAX_SLOT];
77UINT8* NeoTextROM[MAX_SLOT];
84//UINT8* NeoSpriteROM[MAX_SLOT];
85//UINT8* NeoTextROM[MAX_SLOT];
7886UINT8* YM2610ADPCMAROM[MAX_SLOT];
7987UINT8* NeoZ80ROMActive;
8088UINT32 nNeoActiveSlot;
81UINT8 NeoSystem;
89UINT8 NeoSystem = 6;
8290INT32 nNeoCDZ80ProgWriteWordCancelHack = 0;
8391
8492enum CDEmuStatusValue { idle = 0, reading, playing, paused, seeking, fastforward, fastreverse };
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8694
8795static inline CDEmuStatusValue CDEmuGetStatus()
8896{
97   printf("CDEmuGetStatus\n");
8998   return CDEmuStatus;
9099}
91100
92static UINT8* CDEmuReadQChannel()
101static UINT8* CDEmuReadQChannel(int NeoCDSectorLBA)
93102{
94   return NULL;
103   printf("CDEmuReadQChannel\n");
104   static unsigned char QChannelData[8];
105
106   if(neocd.cd == NULL) // no cd is there, bail out
107      return QChannelData;
108
109//   NeoCDSectorLBA
110   switch (CDEmuStatus) {
111      case reading:
112      case playing: {
113     
114         UINT32 msf;
115         msf = lba_to_msf_alt(NeoCDSectorLBA+150);
116
117
118
119         QChannelData[0] = cdrom_get_track(neocd.cd, NeoCDSectorLBA);
120     
121         QChannelData[1] = (msf >> 16)&0xff;
122         QChannelData[2] = (msf >> 8)&0xff;
123         QChannelData[3] = (msf >> 0)&0xff;
124     
125         int elapsedlba;
126         elapsedlba = NeoCDSectorLBA - neocd.toc->tracks[ cdrom_get_track(neocd.cd, NeoCDSectorLBA) ].physframeofs;
127         msf = lba_to_msf_alt (elapsedlba);
128
129         QChannelData[4] = (msf >> 16)&0xff;
130         QChannelData[5] = (msf >> 8)&0xff;
131         QChannelData[6] = (msf >> 0)&0xff;
132     
133         if (QChannelData[0]==1)
134            QChannelData[7] = 0x4;
135         else
136            QChannelData[7] = 0x0;
137
138         break;
139      }
140      case paused: {
141         break;
142      }
143      default: {
144         memset(QChannelData, 0, sizeof(QChannelData));
145      }
146   }
147
148   return QChannelData;
95149}
96150
97151static UINT8* CDEmuReadTOC(INT32 track)
98152{
99   return NULL;
153   printf("CDEmuReadTOC\n");
154
155   static unsigned char TOCEntry[4];
156
157   if(neocd.cd == NULL)
158      return TOCEntry;
159
160
161   if (track == -1) {
162      printf("get first/last track nums\n");
163      TOCEntry[0] = 1;
164      TOCEntry[1] = cdrom_get_last_track(neocd.cd);
165      TOCEntry[2] = 0;
166      TOCEntry[3] = 0;
167
168      return TOCEntry;
169   }
170   else if (track == -2) {
171      printf("get disc length\n");
172
173      UINT32 startlba = (neocd.toc->tracks[cdrom_get_last_track(neocd.cd)].physframeofs);
174      UINT32 startmsf = lba_to_msf_alt( startlba );
175
176
177      TOCEntry[0] = (startmsf >> 16)&0xff;
178      TOCEntry[1] = (startmsf >> 8)&0xff;
179      TOCEntry[2] = (startmsf >> 0)&0xff;
180
181      TOCEntry[3] = 0;
182
183      return TOCEntry;
184   }
185   else
186   {
187      printf("get track address\n");
188
189      int last_track = cdrom_get_last_track(neocd.cd);
190
191      if (track > last_track)
192         track = last_track;
193
194      if (track < 1)
195         track = 1;
196
197      UINT32 startlba = (neocd.toc->tracks[track-1].physframeofs);
198      UINT32 startmsf = lba_to_msf_alt( startlba+150 );
199
200      TOCEntry[0] = (startmsf >> 16)&0xff;
201      TOCEntry[1] = (startmsf >> 8)&0xff;
202      TOCEntry[2] = (startmsf >> 0)&0xff;
203      TOCEntry[3] =  track % 10;;
204   }
205
206   return TOCEntry;
207
100208}
101209
102210static void CDEmuStartRead()
103211{
212   printf("CDEmuStartRead\n");
104213   CDEmuStatus = seeking;
105214}
106215
107216static void CDEmuPause()
108217{
218   printf("CDEmuPause\n");
109219   CDEmuStatus = paused;
110220}
111221
112222static INT32 CDEmuStop()
113223{
224   printf("CDEmuStop\n");
114225   return 1;
115226}
116227
117228static INT32 CDEmuPlay(UINT8 M, UINT8 S, UINT8 F)
118229{
230   printf("CDEmuPlay\n");
119231   return 1;
120232}
121233
122234static INT32 CDEmuLoadSector(INT32 LBA, char* pBuffer)
123235{
124   return 0;
125}
236   printf("CDEmuLoadSector %d\n", LBA);
237   //LBA += 150;
126238
127static void SekWriteWord(UINT32 a, UINT16 d)
128{
239   cdrom_read_data(neocd.cd, LBA, pBuffer, CD_TRACK_MODE1);
129240
241   return LBA+1;// - 150;
130242}
131243
132static void SekWriteByte(UINT32 a, UINT8 d)
133{
134244
135}
136245
137static UINT32 SekReadByte(UINT32 a)
138{
139   return 0;
140}
141
142
143static UINT32 SekReadWord(UINT32 a)
144{
145   return 0;
146}
147
148
149246static INT32 SekIdle(INT32 nCycles)
150247{
151248   return nCycles;
r18998r18999
173270}
174271
175272
176static void NeoDecodeSpritesCD(UINT8* pData, UINT8* pDest, INT32 nSize)
177{
178273
179}
180274
181static void NeoUpdateSprites(INT32 nOffset, INT32 nSize)
182{
183
184}
185
186static void NeoUpdateText(INT32 nOffset, const INT32 nSize, UINT8* pData, UINT8* pDest)
187{
188
189}
190
191275static void MapVectorTable(bool bMapBoardROM)
192276{
193277   /*
r18998r18999
212296      : neogeo_state(mconfig, type, tag)
213297   {
214298      nff0002 = 0;
215      nIRQAcknowledge = 0;
299      nIRQAcknowledge = ~0;
216300      for (int i=0;i<10;i++)
217301         NeoCDCommsCommandFIFO[i] = 0;
218302      for (int i=0;i<10;i++)
r18998r18999
234318      NeoCDDMACount    = 0;
235319      NeoCDDMAMode = 0;
236320      nLC8951Register = 0;
321      nNeoCDIRQVectorAck = 0;
322      nNeoCDIRQVector = 0;
237323   }
238324
239325   UINT8 *m_memcard_data;
r18998r18999
264350   DECLARE_MACHINE_START(neocd);
265351   DECLARE_MACHINE_START(neogeo);
266352   DECLARE_MACHINE_RESET(neogeo);
353
267354   DECLARE_CUSTOM_INPUT_MEMBER(get_memcard_status);
268355
269356   TIMER_CALLBACK_MEMBER(display_position_interrupt_callback);
r18998r18999
342429   void neogeoWriteByteTransfer(UINT32 sekAddress, UINT8 byteValue);
343430   void neogeoWriteWordTransfer(UINT32 sekAddress, UINT16 wordValue);
344431   void NeoIRQUpdate(UINT16 wordValue);
432   void SekWriteWord(UINT32 a, UINT16 d);
433   void SekWriteByte(UINT32 a, UINT8 d);
434   UINT32 SekReadByte(UINT32 a);
435   UINT32 SekReadWord(UINT32 a);
436   address_space* curr_space;
437   int nNeoCDIRQVectorAck;
438   int nNeoCDIRQVector;
345439
346440};
347441
442void ng_aes_state::SekWriteWord(UINT32 a, UINT16 d)
443{
444//   printf("write word %08x %04x\n", a, d);
445   curr_space->write_word(a,d);
446}
348447
448void ng_aes_state::SekWriteByte(UINT32 a, UINT8 d)
449{
450//   printf("write byte %08x %02x\n", a, d);
451   curr_space->write_byte(a,d);
452}
349453
454UINT32 ng_aes_state::SekReadByte(UINT32 a)
455{
456//   printf("read byte %08x\n", a);
457   return curr_space->read_byte(a);
458}
459
460
461UINT32 ng_aes_state::SekReadWord(UINT32 a)
462{
463//   printf("read WORD %08x\n", a);
464   return curr_space->read_word(a);
465}
466
467
468
350469#define LOG_VIDEO_SYSTEM      (0)
351470#define LOG_CPU_COMM         (0)
352471#define LOG_MAIN_CPU_BANKING   (1)
r18998r18999
9721091 *
9731092 */
9741093
975static void neocd_do_dma(address_space& space)
976{
977   ng_aes_state *state = space.machine().driver_data<ng_aes_state>();
978   // TODO: Proper DMA timing and control
979   int count;
980//  UINT16 word;
9811094
982   switch(state->m_neocd_ctrl.dma_mode[0])
983   {
984   case 0xffdd:
985      for(count=0;count<state->m_neocd_ctrl.word_count;count++)
986      {
987         //word = space.read_word(state->m_neocd_ctrl.addr_source);
988         space.write_word(state->m_neocd_ctrl.addr_source+(count*2),state->m_neocd_ctrl.fill_word);
989      }
990      logerror("CTRL: DMA word-fill transfer of %i bytes\n",count*2);
991      break;
992   case 0xfef5:
993      for(count=0;count<state->m_neocd_ctrl.word_count;count++)
994      {
995         //word = space.read_word(state->m_neocd_ctrl.addr_source);
996         space.write_word(state->m_neocd_ctrl.addr_source+(count*4),(state->m_neocd_ctrl.addr_source+(count*4)) >> 16);
997         space.write_word(state->m_neocd_ctrl.addr_source+(count*4)+2,(state->m_neocd_ctrl.addr_source+(count*4)) & 0xffff);
998      }
999      logerror("CTRL: DMA mode 2 transfer of %i bytes\n",count*4);
1000      break;
1001   case 0xcffd:
1002      for(count=0;count<state->m_neocd_ctrl.word_count;count++)
1003      {
1004         //word = space.read_word(state->m_neocd_ctrl.addr_source);
1005         space.write_word(state->m_neocd_ctrl.addr_source+(count*8),((state->m_neocd_ctrl.addr_source+(count*8)) >> 24) | 0xff00);
1006         space.write_word(state->m_neocd_ctrl.addr_source+(count*8)+2,((state->m_neocd_ctrl.addr_source+(count*8)) >> 16) | 0xff00);
1007         space.write_word(state->m_neocd_ctrl.addr_source+(count*8)+4,((state->m_neocd_ctrl.addr_source+(count*8)) >> 8) | 0xff00);
1008         space.write_word(state->m_neocd_ctrl.addr_source+(count*8)+6,(state->m_neocd_ctrl.addr_source+(count*8)) | 0xff00);
1009      }
1010      logerror("CTRL: DMA mode 3 transfer of %i bytes\n",count*8);
1011      break;
1012   default:
1013      logerror("CTRL: Unknown DMA transfer mode %04x\n",state->m_neocd_ctrl.dma_mode[0]);
1014   }
1015}
1016
1017READ16_MEMBER(ng_aes_state::neocd_control_r)
1018{
1019
1020   switch(offset)
1021   {
1022
1023   case 0x16/2:
1024      return nff0016;
1025
1026   case 0x64/2: // source address, high word
1027      return (m_neocd_ctrl.addr_source >> 16) & 0xffff;
1028   case 0x66/2: // source address, low word
1029      return m_neocd_ctrl.addr_source & 0xffff;
1030   case 0x68/2: // target address, high word
1031      return (m_neocd_ctrl.addr_target >> 16) & 0xffff;
1032   case 0x6a/2: // target address, low word
1033      return m_neocd_ctrl.addr_target & 0xffff;
1034   case 0x6c/2: // fill word
1035      return m_neocd_ctrl.fill_word;
1036   case 0x70/2: // word count
1037      return (m_neocd_ctrl.word_count >> 16) & 0xffff;
1038   case 0x72/2:
1039      return m_neocd_ctrl.word_count & 0xffff;
1040   case 0x7e/2:  // DMA parameters
1041   case 0x80/2:
1042   case 0x82/2:
1043   case 0x84/2:
1044   case 0x86/2:
1045   case 0x88/2:
1046   case 0x8a/2:
1047   case 0x8c/2:
1048   case 0x8e/2:
1049      return m_neocd_ctrl.dma_mode[offset-(0x7e/2)];
1050   case 0x105/2:
1051      return m_neocd_ctrl.area_sel;
1052   case 0x11c/2:
1053      logerror("CTRL: Read region code.\n");
1054      return 0x0600;  // we'll just force USA region for now
1055   case 0x1a0/2:
1056      return m_neocd_ctrl.spr_bank_sel;
1057   case 0x1a2/2:
1058      return m_neocd_ctrl.pcm_bank_sel;
1059   default:
1060      logerror("CTRL: Read offset %04x\n",offset);
1061   }
1062
1063   return 0;
1064}
1065
1066
10671095void ng_aes_state::NeoCDReadSector()
10681096{
10691097   if ((nff0002 & 0x0500)) {
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10711099
10721100//         if (LC8951RegistersW[10] & 0x80) {
10731101            NeoCDSectorLBA++;
1074            NeoCDSectorLBA = CDEmuLoadSector(NeoCDSectorLBA, NeoCDSectorData + 4) - 1;
1102            NeoCDSectorLBA = CDEmuLoadSector(NeoCDSectorLBA, NeoCDSectorData + 4) -1;
10751103//         }
10761104
10771105         if (LC8951RegistersW[10] & 0x80) {
r18998r18999
11701198   if (!nTransferWriteEnable) {
11711199//      return;
11721200   }
1201   int address;
11731202
11741203   sekAddress ^= 1;
11751204
11761205   switch (nActiveTransferArea) {
11771206      case 0:                     // Sprites
1178         NeoSpriteRAM[nSpriteTransferBank + (sekAddress & 0x0FFFFF)] = byteValue;
1179         NeoCDOBJBankUpdate[nSpriteTransferBank >> 20] = true;
1207         address = (nSpriteTransferBank + (sekAddress & 0x0FFFFF));
1208         
1209         // wtf? is this just due to how we decode the sprite gfx or is something bad happening?
1210         if ((address&3)==0) NeoSpriteRAM[address] = byteValue;
1211         if ((address&3)==1) NeoSpriteRAM[address^3] = byteValue;
1212         if ((address&3)==2) NeoSpriteRAM[address^3] = byteValue;
1213         if ((address&3)==3) NeoSpriteRAM[address] = byteValue;
1214
1215         //   NeoCDOBJBankUpdate[nSpriteTransferBank >> 20] = true;
11801216         break;
11811217      case 1:                     // ADPCM
11821218         YM2610ADPCMAROM[nNeoActiveSlot][nADPCMTransferBank + ((sekAddress & 0x0FFFFF) >> 1)] = byteValue;
r18998r18999
12001236   if (!nTransferWriteEnable) {
12011237//      return;
12021238   }
1239   //int address;
12031240
12041241   switch (nActiveTransferArea) {
12051242      case 0:                     // Sprites
1206         *((UINT16*)(NeoSpriteRAM + nSpriteTransferBank + (sekAddress & 0xFFFFF))) = wordValue;
1207         NeoCDOBJBankUpdate[nSpriteTransferBank >> 20] = true;
1243         neogeoWriteByteTransfer(sekAddress+0, wordValue>>8);
1244         neogeoWriteByteTransfer(sekAddress+1, wordValue&0xff);
1245
1246         //address = (nSpriteTransferBank + (sekAddress & 0x0FFFFF));
1247         //NeoSpriteRAM[(address+0)] =  (wordValue&0x00ff)>>0;
1248         //NeoSpriteRAM[address+1] =  (wordValue&0xff00)>>8;
1249      //   *((UINT16*)(NeoSpriteRAM + nSpriteTransferBank + (sekAddress & 0xFFFFF))) = wordValue;
1250      //   NeoCDOBJBankUpdate[nSpriteTransferBank >> 20] = true;
12081251         break;
12091252      case 1:                     // ADPCM
12101253         YM2610ADPCMAROM[nNeoActiveSlot][nADPCMTransferBank + ((sekAddress & 0x0FFFFF) >> 1)] = wordValue;
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13641407         break;
13651408
13661409      case 0x0141:
1367//         bprintf(PRINT_NORMAL, _T("  - NGCD OBJ BUSREQ -> 0 (PC: 0x%06X)\n"), SekGetPC(-1));
1410//         bprintf(PRINT_NORMAL, _T("  - NGCD OBJ BUSREQ -> 0 (PC: 0x%06X)\n"), SekGetPC(-1));   
1411         video_reset();
1412         /* NO MAME
13681413         NeoSetSpriteSlot(0);
13691414         for (INT32 i = 0; i < 4; i++) {
13701415            if (NeoCDOBJBankUpdate[i]) {
r18998r18999
13721417               NeoUpdateSprites((i << 20), 0x100000);
13731418            }
13741419         }
1420         */
13751421
13761422         break;
13771423      case 0x0143:
r18998r18999
13841430         break;
13851431      case 0x0149:
13861432//         bprintf(PRINT_NORMAL, _T("  - NGCD FIX BUSREQ -> 0 (PC: 0x%06X)\n"), SekGetPC(-1));
1387         NeoSetTextSlot(0);
1388         NeoUpdateText(0, 0x020000, NeoTextRAM, NeoTextROM[0]);
1433         video_reset();
1434         
1435         /* NO MAME
1436
1437            NeoSetTextSlot(0);
1438            NeoUpdateText(0, 0x020000, NeoTextRAM, NeoTextROM[0]);
1439         */
13891440         break;
13901441
13911442      // CD mechanism communication
r18998r18999
14611512         break;
14621513
14631514      case 0x000E:
1464         NeoCDIRQUpdate(wordValue);
1515         NeoCDIRQUpdate(wordValue); // irqack
14651516         break;
14661517
14671518      // DMA controller
r18998r18999
15321583
15331584void ng_aes_state::NeoCDCommsWrite(UINT8 data)
15341585{
1586   //printf("NeoCDCommsWrite %d, %02x\n", NeoCDCommsWordCount, data);
1587
15351588   if (NeoCDCommsWordCount >= 0 && NeoCDCommsWordCount < 10) {
15361589      NeoCDCommsCommandFIFO[NeoCDCommsWordCount] = data & 0x0F;
15371590   }
r18998r18999
18381891          switch (NeoCDCommsCommandFIFO[3]) {
18391892
18401893            case 0: {
1841               UINT8* ChannelData = CDEmuReadQChannel();
1894               UINT8* ChannelData = CDEmuReadQChannel(NeoCDSectorLBA);
18421895
18431896               NeoCDCommsStatusFIFO[2] = ChannelData[1] / 10;
18441897               NeoCDCommsStatusFIFO[3] = ChannelData[1] % 10;
r18998r18999
18561909               break;
18571910            }
18581911            case 1: {
1859               UINT8* ChannelData = CDEmuReadQChannel();
1912               UINT8* ChannelData = CDEmuReadQChannel(NeoCDSectorLBA);
18601913
18611914               NeoCDCommsStatusFIFO[2] = ChannelData[4] / 10;
18621915               NeoCDCommsStatusFIFO[3] = ChannelData[4] % 10;
r18998r18999
18731926            }
18741927            case 2: {
18751928
1876               UINT8* ChannelData = CDEmuReadQChannel();
1929               UINT8* ChannelData = CDEmuReadQChannel(NeoCDSectorLBA);
18771930
18781931               NeoCDCommsStatusFIFO[2] = ChannelData[0] / 10;
18791932               NeoCDCommsStatusFIFO[3] = ChannelData[0] % 10;
r18998r18999
19341987
19351988            case 6: {
19361989
1937               UINT8* ChannelData = CDEmuReadQChannel();
1990               UINT8* ChannelData = CDEmuReadQChannel(NeoCDSectorLBA);
19381991
19391992               NeoCDCommsStatusFIFO[8] = ChannelData[7];
19401993
r18998r18999
20402093            if (NeoCDCommsCommandFIFO[0]) {
20412094               INT32  sum = 0;
20422095
2096                  printf("has command %02x\n", NeoCDCommsCommandFIFO[0]);
2097
20432098//               bprintf(PRINT_NORMAL, _T("  - CD mechanism command receive completed : 0x"));
20442099               for (INT32 i = 0; i < 9; i++) {
20452100//                  bprintf(PRINT_NORMAL, _T("%X"), NeoCDCommsCommandFIFO[i]);
r18998r18999
20492104//               bprintf(PRINT_NORMAL, _T(" (CS 0x%X, %s)\n"), NeoCDCommsCommandFIFO[9], (sum == NeoCDCommsCommandFIFO[9]) ? _T("OK") : _T("NG"));
20502105               if (sum == NeoCDCommsCommandFIFO[9]) {
20512106
2107                  printf("request to process command %02x\n", NeoCDCommsCommandFIFO[0]);
2108
20522109                  NeoCDProcessCommand();
20532110
20542111                  if (NeoCDCommsCommandFIFO[0]) {
r18998r18999
21712228
21722229
21732230
2174WRITE16_MEMBER(ng_aes_state::neocd_control_w)
2231READ16_MEMBER(ng_aes_state::neocd_control_r)
21752232{
2176   switch(offset)
2233   if (mem_mask == 0xffff)
21772234   {
2178   case 0x02/2: // HOCK
2179      COMBINE_DATA(&nff0002);
2180      printf("nff0002 = %04x %04x\n", data, mem_mask);
2181      break;
2235      return neogeoReadWordCDROM(0xff0000+ (offset*2));
2236   }
2237   else if (mem_mask ==0xff00)
2238   {
2239      return neogeoReadByteCDROM(0xff0000+ (offset*2)) << 8;
2240   }
2241   else if (mem_mask ==0x00ff)
2242   {
2243      return neogeoReadByteCDROM(0xff0000+ (offset*2)+1) & 0xff;
2244   }
21822245
2183   case 0x16/2:
2184      COMBINE_DATA(&nff0016);
2185      printf("nff0016 = %04x %04x\n", data, mem_mask);
2186      break;
2246   return 0x0000;
21872247
2248}
21882249
2189   case 0x60/2: // Start DMA transfer
2190      if((data & 0xff) == 0x40)
2191         neocd_do_dma(space);
2192      break;
2193   case 0x64/2: // source address, high word
2194      m_neocd_ctrl.addr_source = (m_neocd_ctrl.addr_source & 0x0000ffff) | (data << 16);
2195      logerror("CTRL: Set source address to %08x\n",m_neocd_ctrl.addr_source);
2196      break;
2197   case 0x66/2: // source address, low word
2198      m_neocd_ctrl.addr_source = (m_neocd_ctrl.addr_source & 0xffff0000) | data;
2199      logerror("CTRL: Set source address to %08x\n",m_neocd_ctrl.addr_source);
2200      break;
2201   case 0x68/2: // target address, high word
2202      m_neocd_ctrl.addr_target = (m_neocd_ctrl.addr_target & 0x0000ffff) | (data << 16);
2203      logerror("CTRL: Set target address to %08x\n",m_neocd_ctrl.addr_target);
2204      break;
2205   case 0x6a/2: // target address, low word
2206      m_neocd_ctrl.addr_target = (m_neocd_ctrl.addr_target & 0xffff0000) | data;
2207      logerror("CTRL: Set target address to %08x\n",m_neocd_ctrl.addr_target);
2208      break;
2209   case 0x6c/2: // fill word
2210      m_neocd_ctrl.fill_word = data;
2211      logerror("CTRL: Set fill word to %04x\n",data);
2212      break;
2213   case 0x70/2: // word count
2214      m_neocd_ctrl.word_count = (m_neocd_ctrl.word_count & 0x0000ffff) | (data << 16);
2215      logerror("CTRL: Set word count to %i\n",m_neocd_ctrl.word_count);
2216      break;
2217   case 0x72/2: // word count (low word)
2218      m_neocd_ctrl.word_count = (m_neocd_ctrl.word_count & 0xffff0000) | data;
2219      logerror("CTRL: Set word count to %i\n",m_neocd_ctrl.word_count);
2220      break;
2221   case 0x7e/2:  // DMA parameters
2222   case 0x80/2:
2223   case 0x82/2:
2224   case 0x84/2:
2225   case 0x86/2:
2226   case 0x88/2:
2227   case 0x8a/2:
2228   case 0x8c/2:
2229   case 0x8e/2:
2230      m_neocd_ctrl.dma_mode[offset-(0x7e/2)] = data;
2231      logerror("CTRL: DMA parameter %i set to %04x\n",offset-(0x7e/2),data);
2232      break;
2233   case 0x104/2:
2234      m_neocd_ctrl.area_sel = data & 0x00ff;
2235      logerror("CTRL: 0xExxxxx set to area %i\n",data & 0xff);
2236      break;
2237   case 0x140/2:  // end sprite transfer
2238      video_reset();
2239      break;
2240   case 0x142/2:  // end PCM transfer
2241      break;
2242   case 0x146/2:  // end Z80 transfer
2243      machine().device("audiocpu")->execute().set_input_line(INPUT_LINE_RESET,PULSE_LINE);
2244      break;
2245   case 0x148/2:  // end FIX transfer
2246      video_reset();
2247      break;
2248   case 0x1a0/2:
2249      m_neocd_ctrl.spr_bank_sel = data & 0xff;
2250      logerror("CTRL: Sprite area set to bank %i\n",data & 0xff);
2251      break;
2252   case 0x1a2/2:
2253      m_neocd_ctrl.pcm_bank_sel = data & 0xff;
2254      logerror("CTRL: PCM area set to bank %i\n",data & 0xff);
2255      break;
2256   default:
2257      logerror("CTRL: Write offset %04x, data %04x\n",offset*2,data);
2250
2251WRITE16_MEMBER(ng_aes_state::neocd_control_w)
2252{
2253   if (mem_mask == 0xffff)
2254   {
2255      neogeoWriteWordCDROM(0xff0000+ (offset*2), data);
22582256   }
2257   else if (mem_mask ==0xff00)
2258   {
2259      neogeoWriteByteCDROM(0xff0000+ (offset*2), data>>8);
2260   }
2261   else if (mem_mask ==0x00ff)
2262   {
2263      neogeoWriteByteCDROM(0xff0000+ (offset*2)+1, data&0xff);
2264   }
22592265}
22602266
2267
2268
2269
22612270/*
22622271 *  Handling NeoCD banked RAM
22632272 *  When the Z80 space is banked in to 0xe00000, only the low byte of each word is used
22642273 */
22652274
2275
22662276READ16_MEMBER(ng_aes_state::neocd_transfer_r)
22672277{
2268   UINT16 ret = 0x0000;
2269   UINT8* Z80 = memregion("audiocpu")->base();
2270   UINT8* PCM = memregion("ymsnd")->base();
2271   UINT8* FIX = memregion("fixed")->base();
2272   UINT16* SPR = (UINT16*)(*machine().root_device().memregion("sprites"));
2273
2274   switch(m_neocd_ctrl.area_sel)
2278   if (mem_mask == 0xffff)
22752279   {
2276   case NEOCD_AREA_AUDIO:
2277      ret = Z80[offset & 0xffff] | 0xff00;
2278      break;
2279   case NEOCD_AREA_PCM:
2280      ret = PCM[offset + (0x100000*m_neocd_ctrl.pcm_bank_sel)] | 0xff00;
2281      break;
2282   case NEOCD_AREA_SPR:
2283      ret = SPR[offset + (0x80000*m_neocd_ctrl.spr_bank_sel)];
2284      break;
2285   case NEOCD_AREA_FIX:
2286      ret = FIX[offset & 0x1ffff] | 0xff00;
2287      break;
2280      return neogeoReadWordTransfer(0xe00000+ (offset*2));
22882281   }
2282   else if (mem_mask ==0xff00)
2283   {
2284      return neogeoReadByteTransfer(0xe00000+ (offset*2)) << 8;
2285   }
2286   else if (mem_mask ==0x00ff)
2287   {
2288      return neogeoReadByteTransfer(0xe00000+ (offset*2)+1) & 0xff;
2289   }
22892290
2290   return ret;
2291
2292   return 0x0000;
2293
22912294}
22922295
22932296WRITE16_MEMBER(ng_aes_state::neocd_transfer_w)
22942297{
2295   UINT8* Z80 = memregion("audiocpu")->base();
2296   UINT8* PCM = memregion("ymsnd")->base();
2297   UINT8* FIX = memregion("fixed")->base();
2298   UINT16* SPR = (UINT16*)(*machine().root_device().memregion("sprites"));
2299
2300   switch(m_neocd_ctrl.area_sel)
2298   if (mem_mask == 0xffff)
23012299   {
2302   case NEOCD_AREA_AUDIO:
2303      Z80[offset & 0xffff] = data & 0xff;
2304      break;
2305   case NEOCD_AREA_PCM:
2306      PCM[offset + (0x100000*m_neocd_ctrl.pcm_bank_sel)] = data & 0xff;
2307      break;
2308   case NEOCD_AREA_SPR:
2309      COMBINE_DATA(SPR+(offset + (0x80000*m_neocd_ctrl.spr_bank_sel)));
2310      break;
2311   case NEOCD_AREA_FIX:
2312      FIX[offset & 0x1ffff] = data & 0xff;
2313      break;
2300      neogeoWriteWordTransfer(0xe00000+ (offset*2), data);
23142301   }
2302   else if (mem_mask ==0xff00)
2303   {
2304      neogeoWriteByteTransfer(0xe00000+ (offset*2), data>>8);
2305   }
2306   else if (mem_mask ==0x00ff)
2307   {
2308      neogeoWriteByteTransfer(0xe00000+ (offset*2)+1, data&0xff);
2309   }
23152310
23162311}
23172312
r18998r18999
24102405   _set_audio_cpu_rom_source(state->machine().device("maincpu")->memory().space(AS_PROGRAM));
24112406}
24122407
2408
2409
24132410static void common_machine_start(running_machine &machine)
24142411{
24152412   neogeo_state *state = machine.driver_data<neogeo_state>();
r18998r18999
24932490
24942491   // copy fixed tiles into FIX space (from 0x70000)
24952492   memcpy(FIXbios,ROM+0x70000,0x10000);
2493
2494   // for custom vectors
2495   machine().device("maincpu")->execute().set_irq_acknowledge_callback(neocd_int_callback);
2496
2497   {
2498      cdrom_image_device *cddevice = machine().device<cdrom_image_device>("cdrom");
2499      if ( cddevice )
2500      {
2501         neocd.cd = cddevice->get_cdrom_file();
2502         if ( neocd.cd )
2503         {
2504            printf("found cd\n");
2505            neocd.toc = cdrom_get_toc( neocd.cd );
2506            cdda_set_cdrom( machine().device("cdda"), neocd.cd );
2507            cdda_stop_audio( machine().device( "cdda" ) ); //stop any pending CD-DA
2508         }
2509      }
2510   }
2511
2512
24962513}
24972514
24982515//static DEVICE_IMAGE_LOAD(aes_cart)
r18998r18999
25312548
25322549   /* AES apparently always uses the cartridge's fixed bank mode */
25332550   neogeo_set_fixed_layer_source(machine(),1);
2551
2552   NeoSpriteRAM = memregion("sprites")->base();
2553   YM2610ADPCMAROM[0] = memregion("ymsnd")->base();
2554   NeoZ80ROMActive = memregion("audiocpu")->base();
2555   NeoTextRAM = memregion("fixed")->base();
2556   curr_space = &machine().device("maincpu")->memory().space(AS_PROGRAM);
2557
2558   NeoCDCommsReset();
2559
2560   nTransferWriteEnable = 0;
2561
25342562}
25352563
25362564
r18998r18999
25672595   AM_RANGE(0xe00000, 0xffffff) AM_READ(neogeo_unmapped_r)
25682596ADDRESS_MAP_END
25692597
2598
2599
25702600static ADDRESS_MAP_START( neocd_main_map, AS_PROGRAM, 16, ng_aes_state )
25712601   AM_RANGE(0x000000, 0x00007f) AM_RAMBANK(NEOGEO_BANK_VECTORS)
25722602   AM_RANGE(0x000080, 0x0fffff) AM_RAM
r18998r18999
29632993}
29642994
29652995
2996/* NeoCD uses custom vectors on IRQ4 to handle various events from the CDC */
29662997
2998static IRQ_CALLBACK(neocd_int_callback)
2999{
3000   ng_aes_state *state = device->machine().driver_data<ng_aes_state>();
3001
3002   // this is how FBA seems to be setup, but surely this would cause the custom
3003   // interrupt levels to end up being used for the regular interrupts too in cases?
3004   if (state->nNeoCDIRQVectorAck) {
3005      state->nNeoCDIRQVectorAck = 0;
3006      return state->nNeoCDIRQVector;
3007   }
3008
3009   return (0x60+irqline*4)/4;
3010}
3011
29673012void ng_aes_state::NeoCDIRQUpdate(UINT8 byteValue)
29683013{
29693014   nIRQAcknowledge |= (byteValue & 0x38);
r18998r18999
29803025      if ((nIRQAcknowledge & 0x08) == 0) {
29813026         nNeoCDIRQVector = 0x17;
29823027         nNeoCDIRQVectorAck = 1;
2983         SekSetIRQLine(4, SEK_IRQSTATUS_ACK /*| SEK_IRQSTATUS_CALLBACK*/);
3028         m_maincpu->set_input_line(4, HOLD_LINE);
29843029         return;
29853030      }
29863031      if ((nIRQAcknowledge & 0x10) == 0) {
29873032         nNeoCDIRQVector = 0x16;
29883033         nNeoCDIRQVectorAck = 1;
2989         SekSetIRQLine(4, SEK_IRQSTATUS_ACK /*| SEK_IRQSTATUS_CALLBACK*/);
3034         m_maincpu->set_input_line(4, HOLD_LINE);
29903035         return;
29913036      }
29923037      if ((nIRQAcknowledge & 0x20) == 0) {
29933038         nNeoCDIRQVector = 0x15;
29943039         nNeoCDIRQVectorAck = 1;
2995         SekSetIRQLine(4, SEK_IRQSTATUS_ACK /*| SEK_IRQSTATUS_CALLBACK*/);
3040         m_maincpu->set_input_line(4, HOLD_LINE);
29963041         return;
29973042      }
29983043   }

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