/*************************************************************************************************
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 )