mirror of
https://github.com/libretro/mame2003-plus-libretro.git
synced 2024-11-23 00:09:44 +00:00
Separate protection
This commit is contained in:
mahoneyt944
GitHub
parent
a2ca0fc5ef
commit
4af6b905b9
@ -510,7 +510,7 @@ SOURCES_C += \
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$(CORE_DIR)/drivers/sharrier.c $(CORE_DIR)/drivers/system18.c \
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$(CORE_DIR)/drivers/system24.c $(CORE_DIR)/machine/system24_machine.c $(CORE_DIR)/vidhrdw/system24_vidhrdw.c \
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$(CORE_DIR)/vidhrdw/segaic24.c $(CORE_DIR)/vidhrdw/segas18.c \
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$(CORE_DIR)/drivers/segas32.c $(CORE_DIR)/vidhrdw/segas32.c \
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$(CORE_DIR)/drivers/segas32.c $(CORE_DIR)/machine/segas32.c $(CORE_DIR)/vidhrdw/segas32.c \
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$(CORE_DIR)/vidhrdw/segac2_vidhrdw.c $(CORE_DIR)/drivers/segac2.c \
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$(CORE_DIR)/drivers/stv.c $(CORE_DIR)/drivers/stvhacks.c $(CORE_DIR)/machine/stvcd.c \
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$(CORE_DIR)/machine/scudsp.c \
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@ -396,12 +396,12 @@ static UINT16 sound_bank;
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static UINT8 misc_io_data[2][0x10];
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static data16_t *segas32_protram;
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static data16_t *system32_workram;
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data16_t *system32_protram;
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data16_t *system32_workram;
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int system32_use_default_eeprom;
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static void (*system32_prot_vblank)(void);
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int system32_use_default_eeprom;
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enum { EEPROM_SYS32_0=0, EEPROM_ALIEN3, EEPROM_RADM, EEPROM_RADR };
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/* alien 3 with the gun calibrated, it doesn't prompt you if its not */
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@ -601,194 +601,6 @@ static INTERRUPT_GEN( start_of_vblank_int )
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}
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static READ16_HANDLER(ga2_sprite_protection_r)
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{
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static unsigned int prot[16] =
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{
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0x0a, 0,
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0xc5, 0,
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0x11, 0,
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0x11, 0,
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0x18, 0,
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0x18, 0,
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0x1f, 0,
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0xc6, 0,
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};
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return prot[offset];
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}
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static READ16_HANDLER(ga2_wakeup_protection_r)
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{
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static const char *prot =
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"wake up! GOLDEN AXE The Revenge of Death-Adder! ";
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return prot[offset];
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}
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/******************************************************************************
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******************************************************************************
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Sonic Arcade protection
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******************************************************************************
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******************************************************************************/
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// This code duplicates the actions of the protection device used in SegaSonic
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// arcade revision C, allowing the game to run correctly.
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#define CLEARED_LEVELS 0xE5C4
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#define CURRENT_LEVEL 0xF06E
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#define CURRENT_LEVEL_STATUS 0xF0BC
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#define LEVEL_ORDER_ARRAY 0x263A
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static WRITE16_HANDLER(sonic_level_load_protection)
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{
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UINT16 level;
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/*Perform write*/
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COMBINE_DATA(&system32_workram[CLEARED_LEVELS / 2]);
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/*Refresh current level*/
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if (system32_workram[CLEARED_LEVELS / 2] == 0)
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{
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level = 0x0007;
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}
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else
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{
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const UINT8 *ROM = memory_region(REGION_CPU1);
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level = *((ROM + LEVEL_ORDER_ARRAY) + (system32_workram[CLEARED_LEVELS / 2] * 2) - 1);
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level |= *((ROM + LEVEL_ORDER_ARRAY) + (system32_workram[CLEARED_LEVELS / 2] * 2) - 2) << 8;
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}
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system32_workram[CURRENT_LEVEL / 2] = level;
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/*Reset level status*/
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system32_workram[CURRENT_LEVEL_STATUS / 2] = 0x0000;
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system32_workram[(CURRENT_LEVEL_STATUS + 2) / 2] = 0x0000;
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}
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/******************************************************************************
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******************************************************************************
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The J.League 1994 (Japan)
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******************************************************************************
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******************************************************************************/
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static WRITE16_HANDLER( jleague_protection_w )
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{
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COMBINE_DATA( &system32_workram[0xf700/2 + offset ] );
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switch( offset )
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{
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/* Map team browser selection to opponent browser selection*/
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/* using same lookup table that V60 uses for sound sample mapping.*/
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case 0:
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cpu_writemem24lew( 0x20f708, cpu_readmem24lew_word( 0x7bbc0 + data*2 ) );
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break;
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/* move on to team browser*/
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case 4/2:
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cpu_writemem24lew( 0x200016, data & 0xff );
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break;
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default:
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break;
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}
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}
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/* the protection board on many system32 games has full dma/bus access*/
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/* and can write things into work RAM. we simulate that here for burning rival.*/
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static READ16_HANDLER(brival_protection_r)
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{
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if (!mem_mask) /* only trap on word-wide reads*/
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{
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switch (offset)
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{
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case 0:
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case 2:
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case 3:
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return 0;
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}
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}
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return system32_workram[0xba00/2 + offset];
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}
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static WRITE16_HANDLER(brival_protboard_w)
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{
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static const int protAddress[6][2] =
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{
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{ 0x109517, 0x00/2 },
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{ 0x109597, 0x10/2 },
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{ 0x109597, 0x20/2 },
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{ 0x109597, 0x30/2 },
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{ 0x109597, 0x40/2 },
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{ 0x109617, 0x50/2 },
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};
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char ret[32];
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int curProtType;
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UINT8 *ROM = memory_region(REGION_CPU1);
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switch (offset)
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{
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case 0x800/2:
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curProtType = 0;
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break;
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case 0x802/2:
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curProtType = 1;
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break;
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case 0x804/2:
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curProtType = 2;
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break;
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case 0x806/2:
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curProtType = 3;
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break;
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case 0x808/2:
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curProtType = 4;
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break;
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case 0x80a/2:
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curProtType = 5;
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break;
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default:
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if (offset >= 0xa00/2 && offset < 0xc00/2)
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return;
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log_cb(RETRO_LOG_DEBUG, LOGPRE "brival_protboard_w: UNKNOWN WRITE: offset %x value %x\n", offset, data);
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return;
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}
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memcpy(ret, &ROM[protAddress[curProtType][0]], 16);
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ret[16] = '\0';
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memcpy(&segas32_protram[protAddress[curProtType][1]], ret, 16);
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}
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/* protection ram is 8-bits wide and only occupies every other address*/
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static READ16_HANDLER(arabfgt_protboard_r)
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{
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int PC = activecpu_get_pc();
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int cmpVal;
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if (PC == 0xfe0325 || PC == 0xfe01e5 || PC == 0xfe035e || PC == 0xfe03cc)
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{
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cmpVal = activecpu_get_reg(1);
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/* R0 always contains the value the protection is supposed to return (!)*/
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return cmpVal;
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}
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else
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{
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usrintf_showmessage("UNKONWN ARF PROTECTION READ PC=%x\n", PC);
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}
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return 0;
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}
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static WRITE16_HANDLER(arabfgt_protboard_w)
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{
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}
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static READ16_HANDLER(arf_wakeup_protection_r)
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{
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static const char *prot =
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"wake up! ARF! ";
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return prot[offset];
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}
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/*************************************
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*
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* IO Handling
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@ -3688,7 +3500,7 @@ static DRIVER_INIT ( brival )
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{
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system32_use_default_eeprom = EEPROM_SYS32_0;
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segas32_protram = auto_malloc (0x1000);
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system32_protram = auto_malloc (0x1000);
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install_mem_read16_handler (0, 0x20ba00, 0x20ba07, brival_protection_r);
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install_mem_write16_handler(0, 0xa000000, 0xa00fff, brival_protboard_w);
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}
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@ -3702,7 +3514,6 @@ static DRIVER_INIT ( ga2 )
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install_mem_read16_handler (0, 0xa00100, 0xa0015f, ga2_wakeup_protection_r);
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}
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/* comms board workaround */
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static UINT16* dual_pcb_comms;
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@ -3721,18 +3532,6 @@ static READ16_HANDLER( dual_pcb_masterslave )
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return 0; /* 0/1 master/slave */
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}
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void f1lap_fd1149_vblank(void)
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{
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data8_t val;
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cpu_writemem24lew(0x20F7C6, 0);
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/* needed to start a game */
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val = cpu_readmem24lew(0x20EE81);
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if (val == 0xff) cpu_writemem24lew(0x20EE81,0);
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}
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static DRIVER_INIT ( f1sl )
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{
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system32_use_default_eeprom = EEPROM_SYS32_0;
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@ -3817,42 +3616,6 @@ static READ16_HANDLER( arescue_81000f_r )
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return 1; /* 0/1 2player/1player*/
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}
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static UINT16 arescue_dsp_io[6] = {0,0,0,0,0,0};
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static READ16_HANDLER( arescue_dsp_r )
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{
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if( offset == 4/2 )
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{
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switch( arescue_dsp_io[0] )
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{
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case 0:
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case 1:
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case 2:
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break;
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case 3:
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arescue_dsp_io[0] = 0x8000;
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arescue_dsp_io[2/2] = 0x0001;
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break;
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case 6:
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arescue_dsp_io[0] = 4 * arescue_dsp_io[2/2];
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break;
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default:
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log_cb(RETRO_LOG_DEBUG, LOGPRE "Unhandled DSP cmd %04x (%04x).\n", arescue_dsp_io[0], arescue_dsp_io[1] );
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break;
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}
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}
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return arescue_dsp_io[offset];
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}
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static WRITE16_HANDLER( arescue_dsp_w )
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{
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COMBINE_DATA(&arescue_dsp_io[offset]);
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}
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static DRIVER_INIT( arescue )
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{
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system32_use_default_eeprom = EEPROM_SYS32_0;
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@ -3870,73 +3633,6 @@ static DRIVER_INIT( arescue )
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install_mem_read16_handler (0, 0x81000f, 0x81000f, arescue_81000f_r); /* 1player game*/
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}
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static UINT16 MemRead16_16(offs_t address)
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{
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if (!(address & 1))
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return cpu_readmem24lew_word(address);
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else
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{
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UINT16 result = cpu_readmem24lew(address);
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return result | cpu_readmem24lew(address + 1) << 8;
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}
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}
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static void MemWrite16_16(offs_t address, UINT16 data)
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{
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if (!(address & 1))
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cpu_writemem24lew_word(address, data);
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else
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{
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cpu_writemem24lew(address, data);
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cpu_writemem24lew(address + 1, data >> 8);
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}
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}
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#define program_read_byte cpu_readmem24lew
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#define program_write_byte cpu_writemem24lew
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#define program_read_word MemRead16_16
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#define program_write_word MemWrite16_16
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/******************************************************************************
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******************************************************************************
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Dark Edge
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******************************************************************************
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******************************************************************************/
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/* V60 24lew for 8-16bit mem calls i think */
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void darkedge_fd1149_vblank(void)
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{
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program_write_word(0x20f072, 0);
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program_write_word(0x20f082, 0);
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if( program_read_byte(0x20a12c) != 0 )
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{
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program_write_byte(0x20a12c, program_read_byte(0x20a12c)-1 );
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if( program_read_byte(0x20a12c) == 0 )
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program_write_byte(0x20a12e, 1);
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}
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}
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WRITE16_HANDLER( darkedge_protection_w )
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{
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log_cb(RETRO_LOG_DEBUG, LOGPRE "%06x:darkedge_prot_w(%06X) = %04X & %04X\n",
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activecpu_get_pc(), 0xa00000 + 2*offset, data, mem_mask ^ 0xffff);
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}
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READ16_HANDLER( darkedge_protection_r )
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{
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log_cb(RETRO_LOG_DEBUG, LOGPRE "%06x:darkedge_prot_r(%06X) & %04X\n",
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activecpu_get_pc(), 0xa00000 + 2*offset, mem_mask ^ 0xffff);
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return 0xffff;
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}
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static DRIVER_INIT( darkedge )
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{
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system32_use_default_eeprom = EEPROM_SYS32_0;
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@ -3949,17 +3645,6 @@ static DRIVER_INIT( darkedge )
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opaquey_hack = true;
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}
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WRITE16_HANDLER( dbzvrvs_protection_w )
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{
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program_write_word( 0x2080c8, program_read_word( 0x200044 ) );
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}
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READ16_HANDLER( dbzvrvs_protection_r )
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{
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return 0xffff;
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}
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static DRIVER_INIT( jleague )
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{
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system32_use_default_eeprom = EEPROM_SYS32_0;
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@ -5,6 +5,11 @@
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***************************************************************************/
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/*----------- defined in driver/segas32.c -----------*/
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extern data16_t *system32_protram;
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extern data16_t *system32_workram;
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/*----------- defined in vidhrdw/segas32.c -----------*/
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extern UINT16 *system32_videoram;
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@ -22,7 +27,6 @@ WRITE16_HANDLER( system32_spriteram_w );
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READ32_HANDLER( multi32_spriteram_r );
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WRITE32_HANDLER( multi32_spriteram_w );
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READ16_HANDLER( system32_videoram_r );
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WRITE16_HANDLER( system32_videoram_w );
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READ32_HANDLER( multi32_videoram_r );
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@ -54,6 +58,39 @@ VIDEO_UPDATE( system32 );
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VIDEO_UPDATE( multi32 );
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/*************************************
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*
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* Protection - machine/segas32.c
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*
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*************************************/
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READ16_HANDLER(ga2_sprite_protection_r);
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READ16_HANDLER(ga2_wakeup_protection_r);
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WRITE16_HANDLER(sonic_level_load_protection);
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WRITE16_HANDLER( jleague_protection_w );
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READ16_HANDLER(brival_protection_r);
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WRITE16_HANDLER(brival_protboard_w);
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READ16_HANDLER(arabfgt_protboard_r);
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WRITE16_HANDLER(arabfgt_protboard_w);
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READ16_HANDLER(arf_wakeup_protection_r);
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void f1lap_fd1149_vblank(void);
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READ16_HANDLER( arescue_dsp_r );
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WRITE16_HANDLER( arescue_dsp_w );
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void darkedge_fd1149_vblank(void);
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WRITE16_HANDLER( darkedge_protection_w );
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READ16_HANDLER( darkedge_protection_r );
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WRITE16_HANDLER( dbzvrvs_protection_w );
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READ16_HANDLER( dbzvrvs_protection_r );
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/*************************************
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*
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* ROM definition(s)
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357
src/machine/segas32.c
Normal file
357
src/machine/segas32.c
Normal file
@ -0,0 +1,357 @@
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/* Sega System 32 Protection related functions */
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#include "driver.h"
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#include "includes/segas32.h"
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/******************************************************************************
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******************************************************************************
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Memory helper prototypes
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******************************************************************************
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******************************************************************************/
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static UINT16 MemRead16_16(offs_t address)
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{
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if (!(address & 1))
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return cpu_readmem24lew_word(address);
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else
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{
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UINT16 result = cpu_readmem24lew(address);
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return result | cpu_readmem24lew(address + 1) << 8;
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}
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}
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static void MemWrite16_16(offs_t address, UINT16 data)
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{
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if (!(address & 1))
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cpu_writemem24lew_word(address, data);
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else
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{
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cpu_writemem24lew(address, data);
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cpu_writemem24lew(address + 1, data >> 8);
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}
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}
|
||||
|
||||
#define program_read_byte cpu_readmem24lew
|
||||
#define program_write_byte cpu_writemem24lew
|
||||
#define program_read_word MemRead16_16
|
||||
#define program_write_word MemWrite16_16
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Golden Axe 2 (Revenge of Death Adder)
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
READ16_HANDLER(ga2_sprite_protection_r)
|
||||
{
|
||||
static unsigned int prot[16] =
|
||||
{
|
||||
0x0a, 0,
|
||||
0xc5, 0,
|
||||
0x11, 0,
|
||||
0x11, 0,
|
||||
0x18, 0,
|
||||
0x18, 0,
|
||||
0x1f, 0,
|
||||
0xc6, 0,
|
||||
};
|
||||
|
||||
return prot[offset];
|
||||
}
|
||||
|
||||
READ16_HANDLER(ga2_wakeup_protection_r)
|
||||
{
|
||||
static const char *prot =
|
||||
"wake up! GOLDEN AXE The Revenge of Death-Adder! ";
|
||||
return prot[offset];
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Sonic Arcade protection
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
/* This code duplicates the actions of the protection device used in SegaSonic */
|
||||
/* arcade revision C, allowing the game to run correctly. */
|
||||
#define CLEARED_LEVELS 0xE5C4
|
||||
#define CURRENT_LEVEL 0xF06E
|
||||
#define CURRENT_LEVEL_STATUS 0xF0BC
|
||||
#define LEVEL_ORDER_ARRAY 0x263A
|
||||
|
||||
WRITE16_HANDLER(sonic_level_load_protection)
|
||||
{
|
||||
UINT16 level;
|
||||
/*Perform write*/
|
||||
COMBINE_DATA(&system32_workram[CLEARED_LEVELS / 2]);
|
||||
|
||||
/*Refresh current level*/
|
||||
if (system32_workram[CLEARED_LEVELS / 2] == 0)
|
||||
{
|
||||
level = 0x0007;
|
||||
}
|
||||
else
|
||||
{
|
||||
const UINT8 *ROM = memory_region(REGION_CPU1);
|
||||
level = *((ROM + LEVEL_ORDER_ARRAY) + (system32_workram[CLEARED_LEVELS / 2] * 2) - 1);
|
||||
level |= *((ROM + LEVEL_ORDER_ARRAY) + (system32_workram[CLEARED_LEVELS / 2] * 2) - 2) << 8;
|
||||
}
|
||||
system32_workram[CURRENT_LEVEL / 2] = level;
|
||||
|
||||
/*Reset level status*/
|
||||
system32_workram[CURRENT_LEVEL_STATUS / 2] = 0x0000;
|
||||
system32_workram[(CURRENT_LEVEL_STATUS + 2) / 2] = 0x0000;
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
The J.League 1994 (Japan)
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
WRITE16_HANDLER( jleague_protection_w )
|
||||
{
|
||||
COMBINE_DATA( &system32_workram[0xf700/2 + offset ] );
|
||||
|
||||
switch( offset )
|
||||
{
|
||||
/* Map team browser selection to opponent browser selection*/
|
||||
/* using same lookup table that V60 uses for sound sample mapping.*/
|
||||
case 0:
|
||||
cpu_writemem24lew( 0x20f708, cpu_readmem24lew_word( 0x7bbc0 + data*2 ) );
|
||||
break;
|
||||
|
||||
/* move on to team browser*/
|
||||
case 4/2:
|
||||
cpu_writemem24lew( 0x200016, data & 0xff );
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Burning Rival
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
READ16_HANDLER(brival_protection_r)
|
||||
{
|
||||
if (!mem_mask) /* only trap on word-wide reads*/
|
||||
{
|
||||
switch (offset)
|
||||
{
|
||||
case 0:
|
||||
case 2:
|
||||
case 3:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
return system32_workram[0xba00/2 + offset];
|
||||
}
|
||||
|
||||
WRITE16_HANDLER(brival_protboard_w)
|
||||
{
|
||||
static const int protAddress[6][2] =
|
||||
{
|
||||
{ 0x109517, 0x00/2 },
|
||||
{ 0x109597, 0x10/2 },
|
||||
{ 0x109597, 0x20/2 },
|
||||
{ 0x109597, 0x30/2 },
|
||||
{ 0x109597, 0x40/2 },
|
||||
{ 0x109617, 0x50/2 },
|
||||
};
|
||||
char ret[32];
|
||||
int curProtType;
|
||||
UINT8 *ROM = memory_region(REGION_CPU1);
|
||||
|
||||
switch (offset)
|
||||
{
|
||||
case 0x800/2:
|
||||
curProtType = 0;
|
||||
break;
|
||||
case 0x802/2:
|
||||
curProtType = 1;
|
||||
break;
|
||||
case 0x804/2:
|
||||
curProtType = 2;
|
||||
break;
|
||||
case 0x806/2:
|
||||
curProtType = 3;
|
||||
break;
|
||||
case 0x808/2:
|
||||
curProtType = 4;
|
||||
break;
|
||||
case 0x80a/2:
|
||||
curProtType = 5;
|
||||
break;
|
||||
default:
|
||||
if (offset >= 0xa00/2 && offset < 0xc00/2)
|
||||
return;
|
||||
log_cb(RETRO_LOG_DEBUG, LOGPRE "brival_protboard_w: UNKNOWN WRITE: offset %x value %x\n", offset, data);
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy(ret, &ROM[protAddress[curProtType][0]], 16);
|
||||
ret[16] = '\0';
|
||||
|
||||
memcpy(&system32_protram[protAddress[curProtType][1]], ret, 16);
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Arabian Fight
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
/* protection ram is 8-bits wide and only occupies every other address*/
|
||||
READ16_HANDLER(arabfgt_protboard_r)
|
||||
{
|
||||
int PC = activecpu_get_pc();
|
||||
int cmpVal;
|
||||
|
||||
if (PC == 0xfe0325 || PC == 0xfe01e5 || PC == 0xfe035e || PC == 0xfe03cc)
|
||||
{
|
||||
cmpVal = activecpu_get_reg(1);
|
||||
|
||||
/* R0 always contains the value the protection is supposed to return (!)*/
|
||||
return cmpVal;
|
||||
}
|
||||
else
|
||||
{
|
||||
usrintf_showmessage("UNKONWN ARF PROTECTION READ PC=%x\n", PC);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
WRITE16_HANDLER(arabfgt_protboard_w)
|
||||
{
|
||||
}
|
||||
|
||||
READ16_HANDLER(arf_wakeup_protection_r)
|
||||
{
|
||||
static const char *prot =
|
||||
"wake up! ARF! ";
|
||||
return prot[offset];
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
F1 Super Lap
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
void f1lap_fd1149_vblank(void)
|
||||
{
|
||||
data8_t val;
|
||||
|
||||
cpu_writemem24lew(0x20F7C6, 0);
|
||||
|
||||
/* needed to start a game */
|
||||
val = cpu_readmem24lew(0x20EE81);
|
||||
if (val == 0xff) cpu_writemem24lew(0x20EE81,0);
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Air Rescue
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
static UINT16 arescue_dsp_io[6] = {0,0,0,0,0,0};
|
||||
READ16_HANDLER( arescue_dsp_r )
|
||||
{
|
||||
if( offset == 4/2 )
|
||||
{
|
||||
switch( arescue_dsp_io[0] )
|
||||
{
|
||||
case 0:
|
||||
case 1:
|
||||
case 2:
|
||||
break;
|
||||
|
||||
case 3:
|
||||
arescue_dsp_io[0] = 0x8000;
|
||||
arescue_dsp_io[2/2] = 0x0001;
|
||||
break;
|
||||
|
||||
case 6:
|
||||
arescue_dsp_io[0] = 4 * arescue_dsp_io[2/2];
|
||||
break;
|
||||
|
||||
default:
|
||||
log_cb(RETRO_LOG_DEBUG, LOGPRE "Unhandled DSP cmd %04x (%04x).\n", arescue_dsp_io[0], arescue_dsp_io[1] );
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return arescue_dsp_io[offset];
|
||||
}
|
||||
|
||||
WRITE16_HANDLER( arescue_dsp_w )
|
||||
{
|
||||
COMBINE_DATA(&arescue_dsp_io[offset]);
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
Dark Edge
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
void darkedge_fd1149_vblank(void)
|
||||
{
|
||||
program_write_word(0x20f072, 0);
|
||||
program_write_word(0x20f082, 0);
|
||||
|
||||
if( program_read_byte(0x20a12c) != 0 )
|
||||
{
|
||||
program_write_byte(0x20a12c, program_read_byte(0x20a12c)-1 );
|
||||
|
||||
if( program_read_byte(0x20a12c) == 0 )
|
||||
program_write_byte(0x20a12e, 1);
|
||||
}
|
||||
}
|
||||
|
||||
WRITE16_HANDLER( darkedge_protection_w )
|
||||
{
|
||||
log_cb(RETRO_LOG_DEBUG, LOGPRE "%06x:darkedge_prot_w(%06X) = %04X & %04X\n",
|
||||
activecpu_get_pc(), 0xa00000 + 2*offset, data, mem_mask ^ 0xffff);
|
||||
}
|
||||
|
||||
READ16_HANDLER( darkedge_protection_r )
|
||||
{
|
||||
log_cb(RETRO_LOG_DEBUG, LOGPRE "%06x:darkedge_prot_r(%06X) & %04X\n",
|
||||
activecpu_get_pc(), 0xa00000 + 2*offset, mem_mask ^ 0xffff);
|
||||
return 0xffff;
|
||||
}
|
||||
|
||||
|
||||
/******************************************************************************
|
||||
******************************************************************************
|
||||
DBZ VRVS
|
||||
******************************************************************************
|
||||
******************************************************************************/
|
||||
|
||||
WRITE16_HANDLER( dbzvrvs_protection_w )
|
||||
{
|
||||
program_write_word( 0x2080c8, program_read_word( 0x200044 ) );
|
||||
}
|
||||
|
||||
READ16_HANDLER( dbzvrvs_protection_r )
|
||||
{
|
||||
return 0xffff;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user