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dumped i8751 '317-0123a' at location c2 for 'goldnaxe' set, added, works* [Caps0ff]

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* although I've had to add a dubious cycle steal change to prevent things from crashing, might need more testing / investigation / work with the PCB to verify interrupt sources and if there's a bus steal mechanism.
This commit is contained in:
David Haywood 2016-12-06 13:45:29 +00:00
parent 073b58a120
commit 696b25d3fc
2 changed files with 12 additions and 18 deletions
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27
src/mame/drivers/segas16b.cpp
View File

@ -1380,10 +1380,6 @@ void segas16b_state::altbeas5_i8751_sim()
altbeast_common_i8751_sim(0x3098/2, 0x3096/2, 1); altbeast_common_i8751_sim(0x3098/2, 0x3096/2, 1);
} }
void segas16b_state::altbeast_i8751_sim()
{
altbeast_common_i8751_sim(0x30c4/2, 0x30c2/2, 0);
}
//------------------------------------------------- //-------------------------------------------------
@ -1893,10 +1889,18 @@ ADDRESS_MAP_END
// I8751 MCU ADDRESS MAPS // I8751 MCU ADDRESS MAPS
//************************************************************************** //**************************************************************************
WRITE8_MEMBER(segas16b_state::spin_68k_w)
{
// this is probably a hack but otherwise the 68k and i8751 end up fighting
// on 'goldnaxe' causing hangs in various places. maybe the interrupts
// should happen at different times, or there's some way to steal the bus?
m_maincpu->spin_until_time(m_maincpu->cycles_to_attotime(20000));
}
static ADDRESS_MAP_START( mcu_io_map, AS_IO, 8, segas16b_state ) static ADDRESS_MAP_START( mcu_io_map, AS_IO, 8, segas16b_state )
ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x001f) AM_MIRROR(0xff00) AM_DEVREADWRITE("mapper", sega_315_5195_mapper_device, read, write) AM_RANGE(0x0000, 0x001f) AM_MIRROR(0xff00) AM_DEVREADWRITE("mapper", sega_315_5195_mapper_device, read, write)
AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READ_PORT("SERVICE") AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READ_PORT("SERVICE") AM_WRITE(spin_68k_w)
ADDRESS_MAP_END ADDRESS_MAP_END
@ -6197,7 +6201,7 @@ ROM_START( goldnaxe )
ROM_LOAD( "mpr-12384.ic6", 0x10000, 0x20000, CRC(6218d8e7) SHA1(5a745c750efb4a61716f99befb7ed14cc84e9973) ) ROM_LOAD( "mpr-12384.ic6", 0x10000, 0x20000, CRC(6218d8e7) SHA1(5a745c750efb4a61716f99befb7ed14cc84e9973) )
ROM_REGION( 0x1000, "mcu", 0 ) // Intel i8751 protection MCU ROM_REGION( 0x1000, "mcu", 0 ) // Intel i8751 protection MCU
ROM_LOAD( "317-0123a.c2", 0x00000, 0x1000, NO_DUMP ) ROM_LOAD( "317-0123a.c2", 0x00000, 0x1000, CRC(cf19e7d4) SHA1(51356ae7f278c04aed6dfe4572e8a32a82859d71) )
ROM_END ROM_END
//************************************************************************************************************************* //*************************************************************************************************************************
@ -8673,15 +8677,6 @@ DRIVER_INIT_MEMBER(segas16b_state,goldnaxe_5704)
m_i8751_initial_config = memory_control_5704; m_i8751_initial_config = memory_control_5704;
} }
DRIVER_INIT_MEMBER(segas16b_state,goldnaxe_5797)
{
DRIVER_INIT_CALL(generic_5797);
m_i8751_vblank_hook = i8751_sim_delegate(&segas16b_state::goldnaxe_i8751_sim, this);
static const uint8_t memory_control_5797[0x10] =
{ 0x02,0x00, 0x00,0x1f, 0x00,0x1e, 0x00,0xff, 0x00,0x20, 0x01,0x10, 0x00,0x14, 0x00,0xc4 };
m_i8751_initial_config = memory_control_5797;
}
DRIVER_INIT_MEMBER(segas16b_state,hwchamp_5521) DRIVER_INIT_MEMBER(segas16b_state,hwchamp_5521)
{ {
@ -8823,7 +8818,7 @@ GAME( 1988, exctleag, 0, system16b_fd1094, exctleag, segas16b_state,
GAME( 1989, fpoint, 0, system16b_fd1094, fpoint, segas16b_state,generic_5358, ROT0, "Sega", "Flash Point (set 2, Japan) (FD1094 317-0127A)", 0 ) GAME( 1989, fpoint, 0, system16b_fd1094, fpoint, segas16b_state,generic_5358, ROT0, "Sega", "Flash Point (set 2, Japan) (FD1094 317-0127A)", 0 )
GAME( 1989, fpoint1, fpoint, system16b_fd1094, fpoint, segas16b_state,generic_5704, ROT0, "Sega", "Flash Point (set 1, Japan) (FD1094 317-0127A)", 0 ) GAME( 1989, fpoint1, fpoint, system16b_fd1094, fpoint, segas16b_state,generic_5704, ROT0, "Sega", "Flash Point (set 1, Japan) (FD1094 317-0127A)", 0 )
GAME( 1989, goldnaxe, 0, system16b_i8751_5797,goldnaxe, segas16b_state,goldnaxe_5797, ROT0, "Sega", "Golden Axe (set 6, US) (8751 317-123A)", 0 ) GAME( 1989, goldnaxe, 0, system16b_i8751_5797,goldnaxe, segas16b_state,generic_5797, ROT0, "Sega", "Golden Axe (set 6, US) (8751 317-123A)", 0 )
GAME( 1989, goldnaxeu, goldnaxe, system16b_fd1094_5797,goldnaxe,segas16b_state,generic_5797, ROT0, "Sega", "Golden Axe (set 5, US) (FD1094 317-0122)", 0 ) GAME( 1989, goldnaxeu, goldnaxe, system16b_fd1094_5797,goldnaxe,segas16b_state,generic_5797, ROT0, "Sega", "Golden Axe (set 5, US) (FD1094 317-0122)", 0 )
GAME( 1989, goldnaxej, goldnaxe, system16b_fd1094, goldnaxe, segas16b_state,generic_5704, ROT0, "Sega", "Golden Axe (set 4, Japan) (FD1094 317-0121)", 0 ) GAME( 1989, goldnaxej, goldnaxe, system16b_fd1094, goldnaxe, segas16b_state,generic_5704, ROT0, "Sega", "Golden Axe (set 4, Japan) (FD1094 317-0121)", 0 )
GAME( 1989, goldnaxe3, goldnaxe, system16b_fd1094, goldnaxe, segas16b_state,generic_5704, ROT0, "Sega", "Golden Axe (set 3, World) (FD1094 317-0120)", 0) GAME( 1989, goldnaxe3, goldnaxe, system16b_fd1094, goldnaxe, segas16b_state,generic_5704, ROT0, "Sega", "Golden Axe (set 3, World) (FD1094 317-0120)", 0)

3
src/mame/includes/segas16b.h
View File

@ -89,6 +89,7 @@ public:
// other callbacks // other callbacks
DECLARE_WRITE_LINE_MEMBER(upd7759_generate_nmi); DECLARE_WRITE_LINE_MEMBER(upd7759_generate_nmi);
INTERRUPT_GEN_MEMBER( i8751_main_cpu_vblank ); INTERRUPT_GEN_MEMBER( i8751_main_cpu_vblank );
DECLARE_WRITE8_MEMBER(spin_68k_w);
// ROM board-specific driver init // ROM board-specific driver init
DECLARE_DRIVER_INIT(generic_5521); DECLARE_DRIVER_INIT(generic_5521);
@ -122,7 +123,6 @@ public:
DECLARE_DRIVER_INIT(dunkshot_5358_small); DECLARE_DRIVER_INIT(dunkshot_5358_small);
DECLARE_DRIVER_INIT(timescan_5358_small); DECLARE_DRIVER_INIT(timescan_5358_small);
DECLARE_DRIVER_INIT(shinobi3_5358); DECLARE_DRIVER_INIT(shinobi3_5358);
DECLARE_DRIVER_INIT(goldnaxe_5797);
DECLARE_DRIVER_INIT(altbeas4_5521); DECLARE_DRIVER_INIT(altbeas4_5521);
DECLARE_DRIVER_INIT(aliensyn7_5358_small); DECLARE_DRIVER_INIT(aliensyn7_5358_small);
@ -170,7 +170,6 @@ protected:
void altbeast_common_i8751_sim(offs_t soundoffs, offs_t inputoffs, int alt_bank); void altbeast_common_i8751_sim(offs_t soundoffs, offs_t inputoffs, int alt_bank);
void altbeasj_i8751_sim(); void altbeasj_i8751_sim();
void altbeas5_i8751_sim(); void altbeas5_i8751_sim();
void altbeast_i8751_sim();
void ddux_i8751_sim(); void ddux_i8751_sim();
void goldnaxe_i8751_sim(); void goldnaxe_i8751_sim();
void tturf_i8751_sim(); void tturf_i8751_sim();