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r34680 Wednesday 28th January, 2015 at 09:32:34 UTC by Alex W. Jackson
tx1.c: reduce tagmap lookups (nw)
[src/mame/drivers]tx1.c
[src/mame/includes]tx1.h
[src/mame/video]tx1.c

trunk/src/mame/drivers/tx1.c
r243191r243192
795795   ROM_REGION( 0x10000, "audio_cpu", 0 )
796796   ROM_LOAD( "8411-136027-157.11", 0x00000, 0x2000, CRC(10ae3075) SHA1(69c5f62f2473aba848383eed3cecf15e273d86ca) )
797797
798   ROM_REGION( 0x20000, "char_tiles", 0 )
798   ROM_REGION( 0x8000, "char_tiles", 0 )
799799   ROM_LOAD( "8411-136027-156.204", 0x0000, 0x4000, CRC(60f3c616) SHA1(59c4361891e4274e27e6279c919e8fd6803af7cf) )
800800   ROM_LOAD( "8411-136027-155.174", 0x4000, 0x4000, CRC(e59a6b72) SHA1(c10efa77ab421ac60b97227a8d547f50f8415670) )
801801
802   ROM_REGION( 0x40000, "obj_tiles", 0 )
802   ROM_REGION( 0x10000, "obj_tiles", 0 )
803803   ROM_LOAD( "8411-136027-114.203", 0x0000, 0x4000, CRC(fc91328b) SHA1(e57fd2056b65d37cf2e1f0af56616c6555df3006) )
804804   ROM_LOAD( "8411-136027-116.258", 0x4000, 0x4000, CRC(5745f671) SHA1(6e471633cd6de9926b3361a84430c088e1f6a097) )
805805   ROM_LOAD( "8411-136027-115.173", 0x8000, 0x4000, CRC(720e5873) SHA1(151d9063c35b26f5876cf94bdf0c2665ec701bbd) )
806806   ROM_LOAD( "8411-136027-117.232", 0xc000, 0x4000, CRC(3c68d0bc) SHA1(2dbaf2a268b90214fd61c016ac945d4371057826) )
807807
808   ROM_REGION( 0x40000, "gfx3", 0 )
808   ROM_REGION( 0x6000, "road", 0 )
809809   ROM_LOAD( "8411-136027-146.56", 0x0000, 0x2000, CRC(5635b8c1) SHA1(5cc9437a2ff0843f1917f2451852d4561c240b24) )
810810   ROM_LOAD( "8411-136027-147.66", 0x2000, 0x2000, CRC(03d83cf8) SHA1(5c0cfc6bf02ad2b3f37e1ceb493f69eb9829ab1e) )
811811   ROM_LOAD( "8411-136027-148.76", 0x4000, 0x2000, CRC(ad56013a) SHA1(ae3a91f58f30daff334754476db33ad1d12569fc) )
r243191r243192
816816   ROM_LOAD16_BYTE( "136027-143.ic223",    0x8000, 0x0200, CRC(22c77af6) SHA1(1be8585b95316b4fc5712cdaef699e676320cd4d) )
817817   ROM_LOAD16_BYTE( "136027-142.ic213",    0x8001, 0x0200, CRC(f6b8b70b) SHA1(b79374acf11d71db1e4ad3c494ac5f500a52677b) )
818818
819   ROM_REGION( 0x50000, "obj_map", 0 )
819   ROM_REGION( 0x8000, "obj_map", 0 )
820820   ROM_LOAD( "8411-136027-119.106", 0x0000, 0x4000, CRC(88eec0fb) SHA1(81d7a69dc1a4b3b81d7f28d97a3f80697cdcc6eb) )
821821   ROM_LOAD( "8411-136027-120.73",  0x4000, 0x4000, CRC(407cbe65) SHA1(e1c11b65f3c6abde6d55afeaffdb39cdd6d66377) )
822822
823   ROM_REGION( 0x50000, "user3", 0 )
823   ROM_REGION( 0x6000, "obj_luts", 0 )
824824   ROM_LOAD( "8411-136027-113.48",  0x0000, 0x2000, CRC(4b3d7956) SHA1(fc2432dd69f3be7007d4fd6f7c86c7c19453b1ba) )
825825   ROM_LOAD( "8411-136027-118.281", 0x2000, 0x4000, CRC(de418dc7) SHA1(1233e2f7499ec5a73a40ee336d3fe26c06187784) )
826826
r243191r243192
882882   ROM_REGION( 0x10000, "audio_cpu", 0 )
883883   ROM_LOAD( "tx1_22h.ic9", 0x00000, 0x2000, CRC(66376232) SHA1(b8a026dae47173e7760eea4f52e67e525ad1b70b) )
884884
885   ROM_REGION( 0x20000, "char_tiles", 0 )
885   ROM_REGION( 0x8000, "char_tiles", 0 )
886886   ROM_LOAD( "tx1_21a.ic204", 0x0000, 0x4000, CRC(cd3441ad) SHA1(8e6597b3177b8aaa34ed3373d85fc4b6231e1333) )
887887   ROM_LOAD( "tx1_20a.ic174", 0x4000, 0x4000, CRC(dbe595fc) SHA1(1ed2f775f0a1b46a2ffbc056eb4ef732ed546d3c) )
888888
889   ROM_REGION( 0x40000, "obj_tiles", 0 )
889   ROM_REGION( 0x10000, "obj_tiles", 0 )
890890   ROM_LOAD( "tx1_16b.ic203", 0x0000, 0x4000, CRC(1141c965) SHA1(4b90c1428bcbd72d0449c064856a5596269b3fc6) )
891891   ROM_LOAD( "tx1_18b.ic258", 0x4000, 0x4000, CRC(0ad36d68) SHA1(fd5a65c56557c1bc9c0f3916f15f62500b52bfe0) )
892892   ROM_LOAD( "tx1_15b.ic173", 0x8000, 0x4000, CRC(30d1a8d5) SHA1(b4c585b7b8a8920bb3949d643e9e10c17d4009a0) )
893893   ROM_LOAD( "tx1_17b.ic232", 0xc000, 0x4000, CRC(364bb354) SHA1(a26581ca1088b979285471e2c6595048df84d75e) )
894894
895   ROM_REGION( 0x40000, "gfx3", 0 )
895   ROM_REGION( 0x6000, "road", 0 )
896896   ROM_LOAD( "tx1_5a.ic56", 0x0000, 0x2000, CRC(5635b8c1) SHA1(5cc9437a2ff0843f1917f2451852d4561c240b24) )
897897   ROM_LOAD( "tx1_6a.ic66", 0x2000, 0x2000, CRC(03d83cf8) SHA1(5c0cfc6bf02ad2b3f37e1ceb493f69eb9829ab1e) )
898898   ROM_LOAD( "tx1_7a.ic76", 0x4000, 0x2000, CRC(ad56013a) SHA1(ae3a91f58f30daff334754476db33ad1d12569fc) )
r243191r243192
903903   ROM_LOAD16_BYTE( "xb02b.ic223",   0x8000, 0x0200, CRC(22c77af6) SHA1(1be8585b95316b4fc5712cdaef699e676320cd4d) )
904904   ROM_LOAD16_BYTE( "xb01b.ic213",   0x8001, 0x0200, CRC(f6b8b70b) SHA1(b79374acf11d71db1e4ad3c494ac5f500a52677b) )
905905
906   ROM_REGION( 0x50000, "obj_map", 0 )
906   ROM_REGION( 0x8000, "obj_map", 0 )
907907   ROM_LOAD( "tx1_14b.ic106", 0x0000, 0x4000, CRC(68c63d6e) SHA1(110e02b99c44d31041be588bd14642e26890ecbd) )
908908   ROM_LOAD( "tx1_13b.ic73",  0x4000, 0x4000, CRC(b0c581b2) SHA1(20926bc15e7c97045b219b828acfcdd99b8712a6) )
909909
910   ROM_REGION( 0x50000, "user3", 0 )
910   ROM_REGION( 0x6000, "obj_luts", 0 )
911911   ROM_LOAD( "tx1_12b.ic48",  0x0000, 0x2000, CRC(4b3d7956) SHA1(fc2432dd69f3be7007d4fd6f7c86c7c19453b1ba) )
912912   ROM_LOAD( "tx1_19b.ic281", 0x2000, 0x4000, CRC(cb250de6) SHA1(4bf3006986fb8cbb3dd4fa988e6471633614e4bb) )
913913
r243191r243192
963963   ROM_REGION( 0x10000, "audio_cpu", 0 ) /* Label was missing */
964964   ROM_LOAD( "8411-136027-157.11", 0x00000, 0x2000, CRC(10ae3075) SHA1(69c5f62f2473aba848383eed3cecf15e273d86ca) ) /* Unconfirmed TC013A or the later TC013B */
965965
966   ROM_REGION( 0x20000, "char_tiles", 0 )
966   ROM_REGION( 0x8000, "char_tiles", 0 )
967967   ROM_LOAD( "tx1_21a.ic204", 0x0000, 0x4000, CRC(cd3441ad) SHA1(8e6597b3177b8aaa34ed3373d85fc4b6231e1333) )
968968   ROM_LOAD( "tx1_20a.ic174", 0x4000, 0x4000, CRC(dbe595fc) SHA1(1ed2f775f0a1b46a2ffbc056eb4ef732ed546d3c) )
969969
970   ROM_REGION( 0x40000, "obj_tiles", 0 )
970   ROM_REGION( 0x10000, "obj_tiles", 0 )
971971   ROM_LOAD( "tx1_16b.ic203", 0x0000, 0x4000, CRC(1141c965) SHA1(4b90c1428bcbd72d0449c064856a5596269b3fc6) )
972972   ROM_LOAD( "tx1_18b.ic258", 0x4000, 0x4000, CRC(0ad36d68) SHA1(fd5a65c56557c1bc9c0f3916f15f62500b52bfe0) )
973973   ROM_LOAD( "tx1_15b.ic173", 0x8000, 0x4000, CRC(30d1a8d5) SHA1(b4c585b7b8a8920bb3949d643e9e10c17d4009a0) )
974974   ROM_LOAD( "tx1_17b.ic232", 0xc000, 0x4000, CRC(364bb354) SHA1(a26581ca1088b979285471e2c6595048df84d75e) )
975975
976   ROM_REGION( 0x40000, "gfx3", 0 )
976   ROM_REGION( 0x6000, "road", 0 )
977977   ROM_LOAD( "tx1_5a.ic56", 0x0000, 0x2000, CRC(5635b8c1) SHA1(5cc9437a2ff0843f1917f2451852d4561c240b24) )
978978   ROM_LOAD( "tx1_6a.ic66", 0x2000, 0x2000, CRC(03d83cf8) SHA1(5c0cfc6bf02ad2b3f37e1ceb493f69eb9829ab1e) )
979979   ROM_LOAD( "tx1_7a.ic76", 0x4000, 0x2000, CRC(ad56013a) SHA1(ae3a91f58f30daff334754476db33ad1d12569fc) )
r243191r243192
984984   ROM_LOAD16_BYTE( "xb02b.ic223",   0x8000, 0x0200, CRC(22c77af6) SHA1(1be8585b95316b4fc5712cdaef699e676320cd4d) )
985985   ROM_LOAD16_BYTE( "xb01b.ic213",   0x8001, 0x0200, CRC(f6b8b70b) SHA1(b79374acf11d71db1e4ad3c494ac5f500a52677b) )
986986
987   ROM_REGION( 0x50000, "obj_map", 0 )
987   ROM_REGION( 0x8000, "obj_map", 0 )
988988   ROM_LOAD( "tx1_14b.ic106", 0x0000, 0x4000, CRC(68c63d6e) SHA1(110e02b99c44d31041be588bd14642e26890ecbd) )
989989   ROM_LOAD( "tx1_13b.ic73",  0x4000, 0x4000, CRC(b0c581b2) SHA1(20926bc15e7c97045b219b828acfcdd99b8712a6) )
990990
991   ROM_REGION( 0x50000, "user3", 0 )
991   ROM_REGION( 0x6000, "obj_luts", 0 )
992992   ROM_LOAD( "tx1_12b.ic48",  0x0000, 0x2000, CRC(4b3d7956) SHA1(fc2432dd69f3be7007d4fd6f7c86c7c19453b1ba) )
993993   ROM_LOAD( "tx1_19b.ic281", 0x2000, 0x4000, CRC(cb250de6) SHA1(4bf3006986fb8cbb3dd4fa988e6471633614e4bb) )
994994
r243191r243192
10721072   ROM_LOAD( "bug25.157", 0x2c000, 0x4000, CRC(80c4e045) SHA1(be3b537d3ed3ee74fc51059aa744dca4d63431f6) )
10731073   ROM_RELOAD(            0x38000, 0x4000 )
10741074
1075   ROM_REGION( 0x40000, "road", 0 )
1075   ROM_REGION( 0x8000, "road", 0 )
10761076   ROM_LOAD( "bug12.58", 0x0000, 0x2000, CRC(bd34d55c) SHA1(05a719a6eff5af3aaaa1e0ee783b18597582ed64) )
10771077   ROM_LOAD( "bug11.57", 0x2000, 0x2000, CRC(a44d43eb) SHA1(c4d68c7e123506acaa6adc353579cac19ecb3a9d) )
10781078   ROM_LOAD( "bb3.137",  0x4000, 0x0200, CRC(ad76f3fb) SHA1(bf96f903b32e009a2592df0f28cc3e20b039f4d4) )
r243191r243192
10861086   ROM_LOAD16_BYTE( "bb1.245",   0x8000, 0x0200, CRC(0ddbd36d) SHA1(7a08901a350c315d46ab8d0aa881db384b9f37d2) )
10871087   ROM_LOAD16_BYTE( "bb2.220",   0x8001, 0x0200, CRC(71d47de1) SHA1(2da9aeb3f2ebb1114631c8042a37c4f4c18e741b) )
10881088
1089   ROM_REGION( 0x100000, "obj_map", 0 )
1089   ROM_REGION( 0x10000, "obj_map", 0 )
10901090   ROM_LOAD( "bug16.210", 0x0000, 0x4000, CRC(8b64409e) SHA1(1fb4c6923e6a9e1f2a63a2c335b63e2bdc44b61f) )
10911091   ROM_LOAD( "bug14.209", 0x4000, 0x4000, CRC(4e765282) SHA1(f7d69d39823a8b33bd0e5b1bd78a5d68a293e221) )
10921092   ROM_LOAD( "bug17.182", 0x8000, 0x4000, CRC(a5d84df6) SHA1(4e33ef0bee383e0d47b0c679cd2a54edb7ca0e3e) )
10931093   ROM_LOAD( "bug15.181", 0xc000, 0x4000, CRC(d519de10) SHA1(535d05e11af65be65f3d9924b0c48faf8dcfd1bf) )
10941094
1095   ROM_REGION( 0x10000, "obj_luts", 0 )
1095   ROM_REGION( 0x6000, "obj_luts", 0 )
10961096   ROM_LOAD( "bug13.124", 0x0000, 0x2000, CRC(53604d7a) SHA1(bfa304cd885162ece7a5f54988d9880fc541eb3a) )
10971097   ROM_LOAD( "bug18.156", 0x2000, 0x4000, CRC(e58321a6) SHA1(81be87d3c6046bb375c74362dc940f0269b39d1d) )
10981098
r243191r243192
11611161   ROM_LOAD( "bug30s.145", 0x20000, 0x8000, CRC(11d8e2a8) SHA1(9bf198229a12d331e8e7352b7ee3f39f6891f517) )
11621162   ROM_LOAD( "bug23s.142", 0x28000, 0x8000, CRC(015db5d8) SHA1(39ef8b44f2eb9399fb1555cffa6763e06d59c181) )
11631163
1164   ROM_REGION( 0x40000, "road", 0 )
1164   ROM_REGION( 0x8000, "road", 0 )
11651165   ROM_LOAD( "bug11s.225",0x0000, 0x4000, CRC(771af4e1) SHA1(a42b164dd0567c78c0d308ee48d63e5a284897bb) )
11661166   ROM_LOAD( "bb3s.195",  0x4000, 0x0200, CRC(2ab3d5ff) SHA1(9f8359cb4ba2e7d15dbb9dc21cd71c0902cd2153) )
11671167   ROM_LOAD( "bb4s.193",  0x4200, 0x0200, CRC(630f68a4) SHA1(d730f050353c688f81d090e33e00cd35e7b7b6fa) )
r243191r243192
11741174   ROM_LOAD16_BYTE( "bb1.163",  0x8000, 0x0200, CRC(0ddbd36d) SHA1(7a08901a350c315d46ab8d0aa881db384b9f37d2) )
11751175   ROM_LOAD16_BYTE( "bb2.162",  0x8001, 0x0200, CRC(71d47de1) SHA1(2da9aeb3f2ebb1114631c8042a37c4f4c18e741b) )
11761176
1177   ROM_REGION( 0x100000, "obj_map", 0 )
1177   ROM_REGION( 0x10000, "obj_map", 0 )
11781178   ROM_LOAD( "bug16s.139", 0x0000, 0x8000, CRC(1903a9ad) SHA1(526c404c15e3f04b4afb27dee66e9deb0a6b9704) )
11791179   ROM_LOAD( "bug17s.140", 0x8000, 0x8000, CRC(82cabdd4) SHA1(94324fcf83c373621fc40553473ae3cb552ab704) )
11801180
1181   ROM_REGION( 0x10000, "obj_luts", 0 )
1181   ROM_REGION( 0x6000, "obj_luts", 0 )
11821182   ROM_LOAD( "bug13.32",   0x0000, 0x2000, CRC(53604d7a) SHA1(bfa304cd885162ece7a5f54988d9880fc541eb3a) )
11831183   ROM_LOAD( "bug18s.141", 0x2000, 0x4000, CRC(67786327) SHA1(32cc1f5bc654497c968ddcd4af29720c6d659482) )
11841184
trunk/src/mame/includes/tx1.h
r243191r243192
107107         m_objram(*this, "objram"),
108108         m_rcram(*this, "rcram"),
109109         m_z80_ram(*this, "z80_ram"),
110         m_char_tiles(*this, "char_tiles"),
111         m_obj_tiles(*this, "obj_tiles"),
112         m_road_rom(*this, "road"),
113         m_obj_map(*this, "obj_map"),
114         m_obj_luts(*this, "obj_luts"),
115         m_proms(*this, "proms"),
110116         m_screen(*this, "screen") { }
111117
112118   required_device<cpu_device> m_maincpu;
r243191r243192
117123   required_shared_ptr<UINT16> m_objram;
118124   required_shared_ptr<UINT16> m_rcram;
119125   required_shared_ptr<UINT8> m_z80_ram;
126
127   required_region_ptr<UINT8> m_char_tiles;
128   required_region_ptr<UINT8> m_obj_tiles;
129   required_region_ptr<UINT8> m_road_rom;
130   required_region_ptr<UINT8> m_obj_map;
131   required_region_ptr<UINT8> m_obj_luts;
132   required_region_ptr<UINT8> m_proms;
133
120134   required_device<screen_device> m_screen;
121135
122136   emu_timer *m_interrupt_timer;
trunk/src/mame/video/tx1.c
r243191r243192
113113
114114PALETTE_INIT_MEMBER(tx1_state,tx1)
115115{
116   const UINT8 *color_prom = memregion("proms")->base();
116   const UINT8 *const color_prom = &m_proms[0];
117117   int i;
118118
119119   static const res_net_info tx1_net_info =
r243191r243192
233233   UINT16 *tx1_vram = m_vram;
234234   INT32 x, y;
235235   UINT32 scroll_x;
236   UINT8 *chars, *gfx2;
237236
238237   /* 2bpp characters */
239   chars = memregion("char_tiles")->base();
240   gfx2 = chars + 0x4000;
238   const UINT8 *const chars = &m_char_tiles[0];
239   const UINT8 *const gfx2 = &m_char_tiles[0x4000];
241240
242241   /* X scroll value is the last word in char RAM */
243242   scroll_x = tx1_vram[0xfff] & 0x3ff;
r243191r243192
414413   UINT8   pix[2][4][3];
415414
416415   /* Road slice map ROMs */
417   const UINT8 *const gfx3 = memregion("gfx3")->base();
418   const UINT8 *const rom_a = gfx3;
419   const UINT8 *const rom_b = gfx3 + 0x2000;
420   const UINT8 *const rom_c = gfx3 + 0x4000;
416   const UINT8 *const rom_a = &m_road_rom[0];
417   const UINT8 *const rom_b = &m_road_rom[0x2000];
418   const UINT8 *const rom_c = &m_road_rom[0x4000];
421419
422420   /* Pixel data */
423   const UINT8 *const proms = memregion("proms")->base();
424   const UINT8 *const prom_a = proms + 0x1100;
425   const UINT8 *const prom_b = proms + 0x1300;
426   const UINT8 *const prom_c = proms + 0x1500;
427   const UINT8 *const vprom  = proms + 0x1700;
421   const UINT8 *const prom_a = &m_proms[0x1100];
422   const UINT8 *const prom_b = &m_proms[0x1300];
423   const UINT8 *const prom_c = &m_proms[0x1500];
424   const UINT8 *const vprom  = &m_proms[0x1700];
428425
429426   rva9_8  = (tx1_vregs.flags & 3) << 8;
430427   rva7    = !BIT(tx1_vregs.flags, TX1_RDFLAG_RVA7) << 7;
r243191r243192
855852   UINT32 offs;
856853
857854   /* The many lookup table ROMs */
858   const UINT8 *const ic48 = memregion("user3")->base();
859   const UINT8 *const ic281 = ic48 + 0x2000;
855   const UINT8 *const ic48 = &m_obj_luts[0];
856   const UINT8 *const ic281 = &m_obj_luts[0x2000];
860857
861   const UINT8 *const proms = memregion("proms")->base();
862   const UINT8 *const ic190 = proms + 0xc00;
863   const UINT8 *const ic162 = proms + 0xe00;
864   const UINT8 *const ic25  = proms + 0x1000;
858   const UINT8 *const ic190 = &m_proms[0xc00];
859   const UINT8 *const ic162 = &m_proms[0xe00];
860   const UINT8 *const ic25  = &m_proms[0x1000];
865861
866   const UINT8 *const ic106 = memregion("obj_map")->base();
867   const UINT8 *const ic73  = ic106 + 0x4000;
862   const UINT8 *const ic106 = &m_obj_map[0];
863   const UINT8 *const ic73  = &m_obj_map[0x4000];
868864
869   const UINT8 *const pixdata_rgn = memregion("obj_tiles")->base();
865   const UINT8 *const pixdata_rgn = &m_obj_tiles[0];
870866
871867   for (offs = 0x0; offs <= 0x300; offs += 8)
872868   {
r243191r243192
995991                  dataend |= ic106_data & 0x40;
996992
997993                  /* Retrieve data for an 8x8 tile */
998                  ic73_data = ic73[rom_addr2];
994                  ic73_data = ic73[rom_addr2 & 0x3fff];
999995
1000996                  /* This is the data from the LUT pair */
1001997                  lut_data = (ic106_data << 8) | ic73_data;
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11301126void tx1_state::tx1_combine_layers(bitmap_ind16 &bitmap, int screen)
11311127{
11321128   int x, y;
1133   UINT8 *chr_pal = memregion("proms")->base() + 0x900;
1129   UINT8 *chr_pal = &m_proms[0x900];
11341130
11351131   int x_offset = screen * 256;
11361132
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12561252
12571253PALETTE_INIT_MEMBER(tx1_state,buggyboy)
12581254{
1259   const UINT8 *color_prom = memregion("proms")->base();
1255   const UINT8 *const color_prom = &m_proms[0];
12601256   int i;
12611257
12621258   for (i = 0; i < 0x100; i++)
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13011297   UINT16 *buggyboy_vram = m_vram;
13021298   INT32 x, y;
13031299   UINT32 scroll_x, scroll_y;
1304   UINT8 *chars, *gfx2;
13051300   UINT32 total_width;
13061301   UINT32 x_mask;
13071302
13081303   /* 2bpp characters */
1309   chars = memregion("char_tiles")->base();
1310   gfx2 = memregion("char_tiles")->base() + 0x4000;
1304   const UINT8 *const chars = &m_char_tiles[0];
1305   const UINT8 *const gfx2 = &m_char_tiles[0x4000];
13111306
13121307   /* X/Y scroll values are the last word in char RAM */
13131308   if (wide)
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14491444   UINT8 d1 = 0;
14501445
14511446   /* ROM/PROM lookup tables */
1452   const UINT8 *rom   = memregion("road")->base();
1453   const UINT8 *prom0 = rom + 0x4000;
1454   const UINT8 *prom1 = rom + 0x4200;
1455   const UINT8 *prom2 = rom + 0x4400;
1447   const UINT8 *const rom   = &m_road_rom[0];
1448   const UINT8 *const prom0 = &m_road_rom[0x4000];
1449   const UINT8 *const prom1 = &m_road_rom[0x4200];
1450   const UINT8 *const prom2 = &m_road_rom[0x4400];
14561451
14571452   /* Latch road reverse bit */
14581453   *_rorev = !( (rom_en && rom_flip) || (!rom_en && (ls161 & 0x4000)) );
r243191r243192
15431538   UINT32 rva20_6;
15441539
15451540   /* ROM/PROM lookup tables */
1546   const UINT8 *rcols = (UINT8*)(memregion("proms")->base() + 0x1500);
1547   const UINT8 *vprom   = memregion("road")->base() + 0x4600;
1541   const UINT8 *const rcols = &m_proms[0x1500];
1542   const UINT8 *const vprom = &m_road_rom[0x4600];
15481543
15491544   /* Extract constant values */
15501545   tcmd     = ((vregs.scol & 0xc000) >> 12) | ((vregs.scol & 0x00c0) >> 6);
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21702165   UINT32 rva20_6;
21712166
21722167   /* ROM/PROM lookup tables */
2173   const UINT8 *rcols = (UINT8*)(memregion("proms")->base() + 0x1500);
2174   const UINT8 *vprom = memregion("road")->base() + 0x4600;
2168   const UINT8 *const rcols = &m_proms[0x1500];
2169   const UINT8 *const vprom = &m_road_rom[0x4600];
21752170
21762171   /* Extract constant values */
21772172   tcmd     = ((vregs.scol & 0xc000) >> 12) | ((vregs.scol & 0x00c0) >> 6);
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25772572   UINT32 x_stride;
25782573
25792574   /* The many lookup table ROMs */
2580   const UINT8 *const bug13  = (UINT8*)memregion("obj_luts")->base();
2581   const UINT8 *const bug18s = bug13 + 0x2000;
2582   const UINT8 *const bb8    = (UINT8*)memregion("proms")->base() + 0x1600;
2575   const UINT8 *const bug13  = &m_obj_luts[0];
2576   const UINT8 *const bug18s = &m_obj_luts[0x2000];
2577   const UINT8 *const bb8    = &m_proms[0x1600];
25832578
2584   const UINT8 *const bug16s = (UINT8*)memregion("obj_map")->base();
2585   const UINT8 *const bug17s = bug16s + 0x8000;
2579   const UINT8 *const bug16s = &m_obj_map[0];
2580   const UINT8 *const bug17s = &m_obj_map[0x8000];
25862581
2587   const UINT8 *const bb9o = (UINT8*)memregion("proms")->base() + 0x500;
2588   const UINT8 *const bb9e = bb9o + 0x800;
2582   const UINT8 *const bb9o = &m_proms[0x500];
2583   const UINT8 *const bb9e = &m_proms[0xd00];
25892584
2590   const UINT8 *const pixdata_rgn = (UINT8*)memregion("obj_tiles")->base();
2585   const UINT8 *const pixdata_rgn = &m_obj_tiles[0];
25912586
25922587   if (wide)
25932588   {
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29272922
29282923void tx1_state::bb_combine_layers(bitmap_ind16 &bitmap, int screen)
29292924{
2930   UINT8 *chr_pal = memregion("proms")->base() + 0x400;
2925   UINT8 *chr_pal = &m_proms[0x400];
29312926   UINT32 bmp_stride;
29322927   UINT32 x_offset;
29332928   UINT32 y;

https://github.com/mamedev/mame/commit/57335569de785146f8d33dd6bddfce795c5c31f1

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