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https://github.com/holub/mame
synced 2025-05-20 20:58:51 +03:00
Haze: Ketsui et al protection cleanups (no whatsnew)
This commit is contained in:
Angelo Salese
parent
813f420574
commit
8c07f16ecb
@ -1472,6 +1472,7 @@ static MACHINE_CONFIG_DERIVED( cavepgm, pgm )
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MDRV_CPU_MODIFY("maincpu")
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MDRV_CPU_PROGRAM_MAP(cavepgm_mem)
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MDRV_CPU_VBLANK_INT_HACK(drgw_interrupt,2)
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MACHINE_CONFIG_END
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@ -4360,6 +4361,7 @@ static DRIVER_INIT( pstar )
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state_save_register_global(machine, state->pstar_b1);
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state_save_register_global(machine, state->pstar_ce);
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state_save_register_global_array(machine, state->pstar_ram);
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}
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static DRIVER_INIT( photoy2k )
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@ -5394,110 +5396,88 @@ static DRIVER_INIT( kovqhsgs )
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kovsh_latch_init(machine);
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}
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/* this is based on the puzzle star simulation,
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at least for how it communicates with the device..
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please don't driver_data this, it's temporary code, and just
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becomes and absolute pain to work with if bits of it end
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up all over the place, and near impossible to read with state->
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before everything.
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*/
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static UINT16 value0, value1, valuekey;
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static UINT32 valueresponse;
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static WRITE16_HANDLER( ddp3_asic_w )
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{
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int pc = cpu_get_pc(space->cpu);
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UINT32 address = offset*2 + 0x500000;
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logerror("protection write pc: %5.5x %5.5x %4.4x\n", pc, address, data);
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switch (address)
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if (offset == 0)
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{
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case 0x500000:
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//
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return;
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case 0x500002:
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//
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return;
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case 0x500004:
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// if (data == 0) should probably do something... IRQ?
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value0 = data;
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return;
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}
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else if (offset == 1)
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{
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UINT16 realkey;
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if ((data >> 8) == 0xff)
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valuekey = 0xff00;
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realkey = valuekey >> 8;
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realkey |= valuekey;
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{
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valuekey += 0x0100;
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valuekey &= 0xff00;
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if (valuekey == 0xff00)
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valuekey = 0x0100;
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}
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data ^= realkey;
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value1 = data;
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value0 ^= realkey;
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int command = value1 & 0xff;
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switch (command)
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{
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default:
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printf("command %02x\n", command);
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valueresponse = 0x880000;
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break;
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case 0x99: // reset?
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valuekey = 0x100;
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valueresponse = 0x00880000;
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break;
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}
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}
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else if (offset==2)
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{
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}
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data = data; // kill warnings
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}
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static READ16_HANDLER( ddp3_asic_r )
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{
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int pc = cpu_get_pc(space->cpu);
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unsigned int retdata = 0;
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//printf("pc %08x\n", pc);
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/*
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pc 1466a8 and 146686 should probably be returning something
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*/
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UINT32 address = offset*2 + 0x500000;
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switch (address)
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if (offset == 0)
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{
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case 0x500000:
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{
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switch (pc)
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{
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case 0x1465ee:
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case 0x146B00: // black label
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case 0x24704c: // black label
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retdata = 0x028b; // boot
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break;
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UINT16 d = valueresponse & 0xffff;
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UINT16 realkey = valuekey >> 8;
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realkey |= valuekey;
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d ^= realkey;
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case 0x1466a8:
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case 0x146BBA: // black label
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retdata = 0x0000; // data
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break;
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}
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}
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break;
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case 0x500002:
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{
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switch (pc)
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{
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case 0x1465a2: // 0xff00
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case 0x1465cc: // 0x0077
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case 0x146ab4: // 0xff00 - black label
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case 0x146ADE: // 0x0077 - black label
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case 0x247000: // 0xff00 - black label
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case 0x24702a: // 0x0077 - black label
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retdata = 0xff77; // boot
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break;
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case 0x146686:
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case 0x146B98: // black label
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retdata = 0x0000; // data
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break;
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case 0x146716: // protection
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case 0x14665c: // protection
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case 0x146C28: // protection- black label
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case 0x146B6E: // protection- black label
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case 0x247174: // protection- black label
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case 0x2470ba: // protection- black label
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retdata = cpu_get_reg(space->cpu, M68K_D5) << 8;
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break;
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case 0x146740: // protection
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case 0x146C52: // protection - black label
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case 0x24719e: // protection - black label
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retdata = cpu_get_reg(space->cpu, M68K_D5) ^ 0x0088;
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break;
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}
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}
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break;
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return d;
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}
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else if (offset == 1)
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{
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UINT16 d = valueresponse >> 16;
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UINT16 realkey = valuekey >> 8;
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realkey |= valuekey;
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d ^= realkey;
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return d;
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//if (pc != 0x1465ee && pc != 0x1465a2 && pc != 0x1465cc && pc != 0x146716 && pc != 0x146740 && pc != 0x14665c && pc != 0x1466a8 && pc != 0x146686) {
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logerror ("protection read pc: %5.5x %5.5x, ret %4.4x\n", pc, address, retdata);
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//}
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return retdata;
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}
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return 0xffff;
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}
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void install_asic27a_ddp3(running_machine* machine)
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@ -5505,159 +5485,14 @@ void install_asic27a_ddp3(running_machine* machine)
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x500000, 0x500005, 0, 0, ddp3_asic_r, ddp3_asic_w);
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}
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static WRITE16_HANDLER( ket_asic_w )
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{
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int pc = cpu_get_pc(space->cpu);
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UINT32 address = offset*2 + 0x500000;
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logerror("protection write pc: %5.5x %5.5x %4.4x\n", pc, address, data);
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switch (address)
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{
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case 0x400000:
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return;
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case 0x400002:
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return;
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case 0x400004:
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// if (data == 0) should probably do something... IRQ?
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return;
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}
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data = data; // kill warnings
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}
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static READ16_HANDLER( ket_asic_r )
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{
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int pc = cpu_get_pc(space->cpu);
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//printf("pc %08x\n", pc);
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UINT32 address = offset*2 + 0x400000;
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unsigned int retdata = 0;
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switch (address)
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{
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case 0x400000:
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{
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switch (pc)
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{
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case 0xb2bc0:
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retdata = 0xffff; // must be > 0x200?
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break;
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case 0xb2c7a:
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retdata = 0;//xffff; // revisions want values from here...
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break;
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}
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}
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break;
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case 0x400002:
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{
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switch (pc)
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{
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case 0xb2b74: // 0xff00
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case 0xb2b9e: // 0x0077
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retdata = 0xff77;
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break;
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case 0xb2c2e:
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case 0xb2ce8:
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retdata = cpu_get_reg(space->cpu, M68K_D5) << 8;
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break;
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case 0xb2d12:
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retdata = cpu_get_reg(space->cpu, M68K_D5) ^ 0x0088;
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break;
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case 0xb2c58:
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retdata = 0;//xffff; // revisions want values from here...
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break;
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}
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}
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break;
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}
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//if (pc != 0xb2ce8 && pc != 0xb2c2e && pc != 0xb2d12) {
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// logerror ("protection read pc: %5.5x %5.5x, ret %4.4x kovret %4.4x\n"), pc, address, retdata, kovret);
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//}
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return retdata;
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}
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void install_asic27a_ket(running_machine* machine)
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{
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400005, 0, 0, ket_asic_r, ket_asic_w);
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}
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static READ16_HANDLER( espgal_asic_r )
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{
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int pc = cpu_get_pc(space->cpu);
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//printf("pc %08x\n", pc);
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UINT32 address = offset*2 + 0x400000;
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unsigned int retdata = 0;
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switch (address)
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{
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case 0x400000:
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{
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switch (pc)
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{
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case 0x11fe28:
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retdata = 0x0000; // boot - seems ok with 0??
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break;
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case 0x11fee2:
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retdata = 0x0000; // data
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break;
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}
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}
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break;
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case 0x400002:
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{
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switch (pc)
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{
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case 0x11fddc: // 0xff00
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case 0x11fe06: // 0x0077
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retdata = 0xff77; // boot
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break;
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case 0x11fec0:
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retdata = 0x0000; // data
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break;
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case 0x11fe96: // protection
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case 0x11ff50: // protection
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retdata = cpu_get_reg(space->cpu, M68K_D2) << 8;
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break;
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case 0x11ff7a: // protection
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retdata = cpu_get_reg(space->cpu, M68K_D5) ^ 0x0088;
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break;
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}
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}
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break;
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}
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return retdata;
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400005, 0, 0, ddp3_asic_r, ddp3_asic_w);
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}
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void install_asic27a_espgal(running_machine* machine)
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{
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400005, 0, 0, espgal_asic_r, ket_asic_w);
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memory_install_readwrite16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x400000, 0x400005, 0, 0, ddp3_asic_r, ddp3_asic_w);
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}
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