/************************************************************************************************* Cherry Bonus 2001 (c)2000/2001 Dyna Produttore Dyna N.revisione CPU 1x DYNA CPU91A-011-0016JK004 (QFP84) custom 1x DYNA DC3001-0051A (QFP128) custom 1x DYNA 22A078803 (DIP42) (I think it's an I/O) 1x WINBOND WF19054 (equivalent to AY-3-8910) 1x oscillator 24.000MHz ROMs 1x M27C4002 (12a) 1x M27C1001 (11f) 2x AM27S29PC (9b,11b) 2x GAL16V8D (not dumped) Note 1x 36x2 edge connector 1x 10x2 edge connector 1x trimmer (volume) 1x pushbutton (sw8) 1x battery 7x 8x switches dip (sw1-7) ------------------------------ In title screen (c) is 2001 In test mode (c) is 2000 ------------------------------ *************************************************************************************************/ #include "driver.h" #include "cpu/nec/nec.h" #define xxxx 0x90 /* Unknown */ static const UINT8 cb2001_decryption_table[256] = { 0xe8,xxxx,xxxx,xxxx,xxxx,0x61,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* 00 */ // pppp ???? xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, 0x32,xxxx,0xa0,xxxx,0x3a,xxxx,xxxx,0x1f, /* 10 */ // pppp ???? pppp ???? xxxx,0x8e,xxxx,0x0f,xxxx,0x49,0xbc,xxxx, xxxx,xxxx,xxxx,0x75,xxxx,xxxx,xxxx,xxxx, /* 20 */ // !!!! ???? ???? ???? pppp 0x9d,xxxx,xxxx,xxxx,xxxx,xxxx,0xbe,xxxx, xxxx,xxxx,0x74,xxxx,xxxx,0xa6,0xbf,xxxx, /* 30 */ // ???? pppp ???? ???? ???? xxxx,0xea,xxxx,xxxx,xxxx,0xb0,xxxx,xxxx, xxxx,0xa2,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* 40 */ // !!!! gggg ???? xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,0x42,xxxx, xxxx,xxxx,xxxx,xxxx,0xeb,xxxx,xxxx,xxxx, /* 50 */ // ???? ???? xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, xxxx,0xa5,xxxx,xxxx,xxxx,xxxx,0xba,xxxx, /* 60 */ // ???? gggg 0xc3,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, 0x72,xxxx,0xf2,xxxx,xxxx,xxxx,xxxx,xxxx, /* 70 */ // pppp ???? ???? xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,0x34, xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* 80 */ // ???? xxxx,xxxx,0xe9,xxxx,xxxx,0xbe,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,0xb9,xxxx,xxxx,xxxx, /* 90 */ // ???? ???? pppp xxxx,xxxx,xxxx,0x06,0xaa,0x9c,xxxx,0xb8, xxxx,xxxx,0xfc,xxxx,xxxx,xxxx,xxxx,xxxx, /* A0 */ // ???? ???? ???? !!!! ???? xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,0x1e,xxxx,0x07,0xcf, /* B0 */ // ???? ???? ???? xxxx,xxxx,0xee,xxxx,xxxx,0xe2,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,0xa4,xxxx, /* C0 */ // ???? pppp ???? xxxx,xxxx,0x46,xxxx,0x60,xxxx,xxxx,xxxx, 0x88,xxxx,xxxx,xxxx,xxxx,0xfa,0xc7,xxxx, /* D0 */ // pppp ???? pppp ???? !!!! 0x8a,xxxx,xxxx,0xc6,xxxx,xxxx,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* E0 */ // ???? !!!! xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx,xxxx, /* F0 */ // }; /* robiza notes: 56 -> ???? 5c -> conditional jmp for sure aa -> ???? 92 -> e9 (probably) 1c ???? d8 ???? dd -> fa (di) guessed: 45 -> b0 (mov al,#value) 6e -> ba (mov dw,#value) c2 -> ee (out dw,al) probably: 2b -> conditional jmp for sure (75) 36 -> be 9c -> it's a counter (like mov cw,#value) -> not sure the register (cw,bw,....) -> b9 (cw) c5 -> 75 (loop?) very probably: 00 -> e8 (call) 41 -> ea (jmp_far) 70 -> c3 (ret) checked against gussun and quizf1 (start up code): 21 -> 8e a7 -> b8 de -> c7 e3 -> c6 opcodes: 36,9c,00,18,d8,d2,c5,70 probably: e1af1 36 62 06 mov ix,0662 9c 04 00 mov cw,0004 00 94 17 call e328e e328e 18 c0 xor al,al d8 04 mov byte ptr [ix],al d2 inc ix c5 fb dbnz e3290 70 ret */ static VIDEO_START(cb2001) { } static VIDEO_UPDATE(cb2001) { return 0; } static ADDRESS_MAP_START( cb2001_map, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x00000, 0xdffff) AM_RAM AM_RANGE(0xe0000, 0xfffff) AM_ROM AM_REGION("boot_prg",0) ADDRESS_MAP_END static ADDRESS_MAP_START( cb2001_io, ADDRESS_SPACE_IO, 16 ) ADDRESS_MAP_END static INPUT_PORTS_START( cb2001 ) INPUT_PORTS_END static INTERRUPT_GEN( vblank_irq ) { // cpu_set_input_line_and_vector(device,0,HOLD_LINE,0x08/4); } static const gfx_layout cb2001_layout = { 8,8, RGN_FRAC(1,1), 4, { 0,1,2,3 }, { 8,12,0,4,24,28, 16,20 }, { 0*32,1*32,2*32,3*32,4*32,5*32,6*32,7*32 }, 8*32 }; static const gfx_layout cb2001_layout32 = { 8,32, RGN_FRAC(1,1), 4, { 0,1,2,3 }, { 8,12,0,4,24,28, 16,20 }, { 0*32,1*32,2*32,3*32,4*32,5*32,6*32,7*32, 8*32, 9*32, 10*32, 11*32, 12*32, 13*32,14*32,15*32,16*32,17*32,18*32,19*32,20*32,21*32,22*32,23*32,24*32,25*32,26*32,27*32,28*32,29*32,30*32,31*32 }, 32*32 }; static GFXDECODE_START( cb2001 ) GFXDECODE_ENTRY( "gfx", 0, cb2001_layout, 0x0, 2 ) GFXDECODE_ENTRY( "gfx", 0, cb2001_layout32, 0x0, 2 ) GFXDECODE_END static const nec_config cb2001_config = { cb2001_decryption_table, }; static MACHINE_DRIVER_START( cb2001 ) MDRV_CPU_ADD("maincpu", V30, 20000000) // CPU91A-011-0016JK004; encrypted cpu like nec v25/35 used in some irem game MDRV_CPU_CONFIG(cb2001_config) MDRV_CPU_PROGRAM_MAP(cb2001_map,0) MDRV_CPU_IO_MAP(cb2001_io,0) MDRV_CPU_VBLANK_INT("screen", vblank_irq) MDRV_GFXDECODE(cb2001) MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32) MDRV_SCREEN_SIZE(64*8, 64*8) MDRV_SCREEN_VISIBLE_AREA(0, 64*8-1, 0, 32*8-1) MDRV_PALETTE_LENGTH(0x200) MDRV_VIDEO_START(cb2001) MDRV_VIDEO_UPDATE(cb2001) MACHINE_DRIVER_END ROM_START( cb2001 ) ROM_REGION( 0x020000, "boot_prg", 0 ) ROM_LOAD16_WORD( "c01111.11f", 0x000000, 0x20000, CRC(ec6269f1) SHA1(f2428562a10e30192f2c95053f5ce448302e7cf5) ) ROM_REGION( 0x080000, "gfx", 0 ) // not tiles, blitter based, or mem mapped? ROM_LOAD( "c0111.12a", 0x000000, 0x80000, CRC(342b760e) SHA1(bc168bec384ccacd73543f604e3ab5b2b8f4f441) ) ROM_REGION( 0x200, "user1", 0 ) // ? ROM_LOAD( "am27s29.9b", 0x000, 0x200, CRC(6c90f6a2) SHA1(f3f592954000d189ded0ed8c6c4444ace0b616a4) ) ROM_REGION( 0x200, "user2", 0 ) // ? ROM_LOAD( "am27s29.11b", 0x000, 0x200, CRC(e5aa3ec7) SHA1(675711dd6788b3d0c37573b49b6297cbcd8c8209) ) ROM_END GAME( 2001, cb2001, 0, cb2001, cb2001, 0, ROT0, "Dyna", "Cherry Bonus 2001", GAME_NOT_WORKING|GAME_NO_SOUND )