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namcos1.c
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C/C++ Source or Header
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2000-04-23
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40KB
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1,392 lines
#include "driver.h"
#include "vidhrdw/generic.h"
#define NEW_TIMER 0 /* CPU slice optimize with new timer system */
#define NAMCOS1_MAX_BANK 0x400
/* from vidhrdw */
READ_HANDLER( namcos1_videoram_r );
WRITE_HANDLER( namcos1_videoram_w );
READ_HANDLER( namcos1_paletteram_r );
WRITE_HANDLER( namcos1_paletteram_w );
WRITE_HANDLER( namcos1_videocontrol_w );
extern void namcos1_set_scroll_offsets( const int *bgx, const int *bgy, int negative, int optimize );
extern void namcos1_set_optimize( int optimize );
extern void namcos1_set_sprite_offsets( int x, int y );
#define NAMCOS1_MAX_KEY 0x100
static unsigned char key[NAMCOS1_MAX_KEY];
static unsigned char *s1ram;
static int namcos1_cpu1_banklatch;
static int namcos1_reset = 0;
static int berabohm_input_counter;
/*******************************************************************************
* *
* Key emulation (CUS136) Rev1 (Pacmania & Galaga 88) *
* *
*******************************************************************************/
static int key_id;
static int key_id_query;
static READ_HANDLER( rev1_key_r ) {
// logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( rev1_key_w ) {
static unsigned short divider, divide_32 = 0;
//logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch ( offset )
{
case 0x01:
divider = ( key[0] << 8 ) + key[1];
break;
case 0x03:
{
static unsigned short d;
unsigned short v1, v2;
unsigned long l=0;
if ( divide_32 )
l = d << 16;
d = ( key[2] << 8 ) + key[3];
if ( divider == 0 ) {
v1 = 0xffff;
v2 = 0;
} else {
if ( divide_32 ) {
l |= d;
v1 = l / divider;
v2 = l % divider;
} else {
v1 = d / divider;
v2 = d % divider;
}
}
key[2] = v1 >> 8;
key[3] = v1;
key[0] = v2 >> 8;
key[1] = v2;
}
break;
case 0x04:
if ( key[4] == key_id_query ) /* get key number */
key[4] = key_id;
if ( key[4] == 0x0c )
divide_32 = 1;
else
divide_32 = 0;
break;
}
}
/*******************************************************************************
* *
* Key emulation (CUS136) Rev2 (Dragon Spirit, Blazer, World Court) *
* *
*******************************************************************************/
static READ_HANDLER( rev2_key_r )
{
//logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( rev2_key_w )
{
//logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch(offset)
{
case 0x00:
if ( data == 1 )
{
/* fetch key ID */
key[3] = key_id;
return;
}
break;
case 0x02:
/* $f2 = Dragon Spirit, $b7 = Blazer , $35($d9) = worldcourt */
if ( key[3] == 0xf2 || key[3] == 0xb7 || key[3] == 0x35 )
{
switch( key[0] )
{
case 0x10: key[0] = 0x05; key[1] = 0x00; key[2] = 0xc6; break;
case 0x12: key[0] = 0x09; key[1] = 0x00; key[2] = 0x96; break;
case 0x15: key[0] = 0x0a; key[1] = 0x00; key[2] = 0x8f; break;
case 0x22: key[0] = 0x14; key[1] = 0x00; key[2] = 0x39; break;
case 0x32: key[0] = 0x31; key[1] = 0x00; key[2] = 0x12; break;
case 0x3d: key[0] = 0x35; key[1] = 0x00; key[2] = 0x27; break;
case 0x54: key[0] = 0x10; key[1] = 0x00; key[2] = 0x03; break;
case 0x58: key[0] = 0x49; key[1] = 0x00; key[2] = 0x23; break;
case 0x7b: key[0] = 0x48; key[1] = 0x00; key[2] = 0xd4; break;
case 0xc7: key[0] = 0xbf; key[1] = 0x00; key[2] = 0xe8; break;
}
return;
}
break;
case 0x03:
/* $c2 = Dragon Spirit, $b6 = Blazer */
if ( key[3] == 0xc2 || key[3] == 0xb6 ) {
key[3] = 0x36;
return;
}
/* $d9 = World court */
if ( key[3] == 0xd9 )
{
key[3] = 0x35;
return;
}
break;
case 0x3f: /* Splatter House */
key[0x3f] = 0xb5;
key[0x36] = 0xb5;
return;
}
/* ?? */
if ( key[3] == 0x01 ) {
if ( key[0] == 0x40 && key[1] == 0x04 && key[2] == 0x00 ) {
key[1] = 0x00; key[2] = 0x10;
return;
}
}
}
/*******************************************************************************
* *
* Key emulation (CUS136) for Dangerous Seed *
* *
*******************************************************************************/
static READ_HANDLER( dangseed_key_r ) {
// logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( dangseed_key_w ) {
int i;
// logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch ( offset )
{
case 0x50:
for ( i = 0; i < 0x50; i++ ) {
key[i] = ( data >> ( ( i >> 4 ) & 0x0f ) ) & 0x0f;
key[i] |= ( i & 0x0f ) << 4;
}
break;
case 0x57:
key[3] = key_id;
break;
}
}
/*******************************************************************************
* *
* Key emulation (CUS136) for Dragon Spirit *
* *
*******************************************************************************/
static READ_HANDLER( dspirit_key_r )
{
//logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( dspirit_key_w )
{
static unsigned short divisor;
// logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch(offset)
{
case 0x00:
if ( data == 1 )
{
/* fetch key ID */
key[3] = key_id;
} else
divisor = data;
break;
case 0x01:
if ( key[3] == 0x01 ) { /* division gets resolved on latch to $1 */
unsigned short d, v1, v2;
d = ( key[1] << 8 ) + key[2];
if ( divisor == 0 ) {
v1 = 0xffff;
v2 = 0;
} else {
v1 = d / divisor;
v2 = d % divisor;
}
key[0] = v2 & 0xff;
key[1] = v1 >> 8;
key[2] = v1 & 0xff;
return;
}
if ( key[3] != 0xf2 ) { /* if its an invalid mode, clear regs */
key[0] = 0;
key[1] = 0;
key[2] = 0;
}
break;
case 0x02:
if ( key[3] == 0xf2 ) { /* division gets resolved on latch to $2 */
unsigned short d, v1, v2;
d = ( key[1] << 8 ) + key[2];
if ( divisor == 0 ) {
v1 = 0xffff;
v2 = 0;
} else {
v1 = d / divisor;
v2 = d % divisor;
}
key[0] = v2 & 0xff;
key[1] = v1 >> 8;
key[2] = v1 & 0xff;
return;
}
if ( key[3] != 0x01 ) { /* if its an invalid mode, clear regs */
key[0] = 0;
key[1] = 0;
key[2] = 0;
}
break;
case 0x03:
if ( key[3] != 0xf2 && key[3] != 0x01 ) /* if the mode is unknown return the id on $3 */
key[3] = key_id;
break;
}
}
/*******************************************************************************
* *
* Key emulation (CUS136) for Blazer *
* *
*******************************************************************************/
static READ_HANDLER( blazer_key_r )
{
logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( blazer_key_w )
{
static unsigned short divisor;
logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch(offset)
{
case 0x00:
if ( data == 1 )
{
/* fetch key ID */
key[3] = key_id;
} else
divisor = data;
break;
case 0x01:
if ( key[3] != 0xb7 ) { /* if its an invalid mode, clear regs */
key[0] = 0;
key[1] = 0;
key[2] = 0;
}
break;
case 0x02:
if ( key[3] == 0xb7 ) { /* division gets resolved on latch to $2 */
unsigned short d, v1, v2;
d = ( key[1] << 8 ) + key[2];
if ( divisor == 0 ) {
v1 = 0xffff;
v2 = 0;
} else {
v1 = d / divisor;
v2 = d % divisor;
}
key[0] = v2 & 0xff;
key[1] = v1 >> 8;
key[2] = v1 & 0xff;
return;
}
/* if its an invalid mode, clear regs */
key[0] = 0;
key[1] = 0;
key[2] = 0;
break;
case 0x03:
if ( key[3] != 0xb7 ) { /* if the mode is unknown return the id on $3 */
key[3] = key_id;
}
break;
}
}
/*******************************************************************************
* *
* Key emulation (CUS136) for World Stadium *
* *
*******************************************************************************/
static READ_HANDLER( ws_key_r ) {
// logerror("CPU #%d PC %08x: keychip read %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,key[offset]);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip read %04x\n",cpu_getactivecpu(),cpu_get_pc(),offset);
return 0;
}
return key[offset];
}
static WRITE_HANDLER( ws_key_w ) {
static unsigned short divider;
//logerror("CPU #%d PC %08x: keychip write %04X=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
if(offset >= NAMCOS1_MAX_KEY)
{
logerror("CPU #%d PC %08x: unmapped keychip write %04x=%04x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
return;
}
key[offset] = data;
switch ( offset )
{
case 0x01:
divider = ( key[0] << 8 ) + key[1];
break;
case 0x03:
{
static unsigned short d;
unsigned short v1, v2;
d = ( key[2] << 8 ) + key[3];
if ( divider == 0 ) {
v1 = 0xffff;
v2 = 0;
} else {
v1 = d / divider;
v2 = d % divider;
}
key[2] = v1 >> 8;
key[3] = v1;
key[0] = v2 >> 8;
key[1] = v2;
}
break;
case 0x04:
key[4] = key_id;
break;
}
}
/*******************************************************************************
* *
* Banking emulation (CUS117) *
* *
*******************************************************************************/
static READ_HANDLER( soundram_r )
{
if(offset<0x100)
return namcos1_wavedata_r(offset);
if(offset<0x140)
return namcos1_sound_r(offset-0x100);
/* shared ram */
return namco_wavedata[offset];
}
static WRITE_HANDLER( soundram_w )
{
if(offset<0x100)
{
namcos1_wavedata_w(offset,data);
return;
}
if(offset<0x140)
{
namcos1_sound_w(offset-0x100,data);
return;
}
/* shared ram */
namco_wavedata[offset] = data;
//if(offset>=0x1000)
// logerror("CPU #%d PC %04x: write shared ram %04x=%02x\n",cpu_getactivecpu(),cpu_get_pc(),offset,data);
}
/* ROM handlers */
static WRITE_HANDLER( rom_w ) {
logerror("CPU #%d PC %04x: warning - write %02x to rom address %04x\n",cpu_getactivecpu(),cpu_get_pc(),data,offset);
}
/* error handlers */
static READ_HANDLER( unknown_r ) {
logerror("CPU #%d PC %04x: warning - read from unknown chip\n",cpu_getactivecpu(),cpu_get_pc() );
return 0;
}
static WRITE_HANDLER( unknown_w ) {
logerror("CPU #%d PC %04x: warning - wrote to unknown chip\n",cpu_getactivecpu(),cpu_get_pc() );
}
/* Bank handler definitions */
typedef struct {
mem_read_handler bank_handler_r;
mem_write_handler bank_handler_w;
int bank_offset;
unsigned char *bank_pointer;
} bankhandler;
static bankhandler namcos1_bank_element[NAMCOS1_MAX_BANK];
/* This is where we store our handlers */
/* 2 cpus with 8 banks of 8k each */
static bankhandler namcos1_banks[2][8];
/* Main bankswitching routine */
WRITE_HANDLER( namcos1_bankswitch_w ) {
static int chip = 0;
if ( offset & 1 ) {
int bank = ( offset >> 9 ) & 0x07; //0x0f;
int cpu = cpu_getactivecpu();
chip &= 0x0300;
chip |= ( data & 0xff );
/* copy bank handler */
namcos1_banks[cpu][bank].bank_handler_r = namcos1_bank_element[chip].bank_handler_r;
namcos1_banks[cpu][bank].bank_handler_w = namcos1_bank_element[chip].bank_handler_w;
namcos1_banks[cpu][bank].bank_offset = namcos1_bank_element[chip].bank_offset;
namcos1_banks[cpu][bank].bank_pointer = namcos1_bank_element[chip].bank_pointer;
//memcpy( &namcos1_banks[cpu][bank] , &namcos1_bank_element[chip] , sizeof(bankhandler));
/* unmapped bank warning */
if( namcos1_banks[cpu][bank].bank_handler_r == unknown_r)
{
logerror("CPU #%d PC %04x:warning unknown chip selected bank %x=$%04x\n", cpu , cpu_get_pc(), bank , chip );
}
/* renew pc base */
// change_pc16(cpu_get_pc());
} else {
chip &= 0x00ff;
chip |= ( data & 0xff ) << 8;
}
}
/* Sub cpu set start bank port */
WRITE_HANDLER( namcos1_subcpu_bank_w )
{
int oldcpu = cpu_getactivecpu();
//logerror("cpu1 bank selected %02x=%02x\n",offset,data);
namcos1_cpu1_banklatch = (namcos1_cpu1_banklatch&0x300)|data;
/* Prepare code for Cpu 1 */
cpu_setactivecpu( 1 );
namcos1_bankswitch_w( 0x0e00, namcos1_cpu1_banklatch>>8 );
namcos1_bankswitch_w( 0x0e01, namcos1_cpu1_banklatch&0xff);
/* cpu_set_reset_line(1,PULSE_LINE); */
cpu_setactivecpu( oldcpu );
}
#define MR_HANDLER(cpu,bank) \
READ_HANDLER( namcos1_##cpu##_banked_area##bank##_r ) {\
if( namcos1_banks[cpu][bank].bank_handler_r) \
return (*namcos1_banks[cpu][bank].bank_handler_r)( offset+namcos1_banks[cpu][bank].bank_offset); \
return namcos1_banks[cpu][bank].bank_pointer[offset]; }
MR_HANDLER(0,0)
MR_HANDLER(0,1)
MR_HANDLER(0,2)
MR_HANDLER(0,3)
MR_HANDLER(0,4)
MR_HANDLER(0,5)
MR_HANDLER(0,6)
MR_HANDLER(0,7)
MR_HANDLER(1,0)
MR_HANDLER(1,1)
MR_HANDLER(1,2)
MR_HANDLER(1,3)
MR_HANDLER(1,4)
MR_HANDLER(1,5)
MR_HANDLER(1,6)
MR_HANDLER(1,7)
#undef MR_HANDLER
#define MW_HANDLER(cpu,bank) \
WRITE_HANDLER( namcos1_##cpu##_banked_area##bank##_w ) {\
if( namcos1_banks[cpu][bank].bank_handler_w) \
{ \
(*namcos1_banks[cpu][bank].bank_handler_w)( offset+ namcos1_banks[cpu][bank].bank_offset,data ); \
return; \
}\
namcos1_banks[cpu][bank].bank_pointer[offset]=data; \
}
MW_HANDLER(0,0)
MW_HANDLER(0,1)
MW_HANDLER(0,2)
MW_HANDLER(0,3)
MW_HANDLER(0,4)
MW_HANDLER(0,5)
MW_HANDLER(0,6)
MW_HANDLER(1,0)
MW_HANDLER(1,1)
MW_HANDLER(1,2)
MW_HANDLER(1,3)
MW_HANDLER(1,4)
MW_HANDLER(1,5)
MW_HANDLER(1,6)
#undef MW_HANDLER
/*******************************************************************************
* *
* 63701 MCU emulation (CUS64) *
* *
*******************************************************************************/
static int mcu_patch_data;
WRITE_HANDLER( namcos1_cpu_control_w )
{
// logerror("reset control pc=%04x %02x\n",cpu_get_pc(),data);
if( (data&1)^namcos1_reset)
{
namcos1_reset = data&1;
if (namcos1_reset)
{
cpu_set_reset_line(1,CLEAR_LINE);
cpu_set_reset_line(2,CLEAR_LINE);
cpu_set_reset_line(3,CLEAR_LINE);
mcu_patch_data = 0;
}
else
{
cpu_set_reset_line(1,ASSERT_LINE);
cpu_set_reset_line(2,ASSERT_LINE);
cpu_set_reset_line(3,ASSERT_LINE);
}
}
}
/*******************************************************************************
* *
* Sound banking emulation (CUS121) *
* *
*******************************************************************************/
WRITE_HANDLER( namcos1_sound_bankswitch_w )
{
unsigned char *RAM = memory_region(REGION_CPU3);
int bank = ( data >> 4 ) & 0x07;
cpu_setbank( 1, &RAM[ 0x0c000 + ( 0x4000 * bank ) ] );
}
/*******************************************************************************
* *
* CPU idling spinlock routine *
* *
*******************************************************************************/
static unsigned char *sound_spinlock_ram;
static int sound_spinlock_pc;
/* sound cpu */
static READ_HANDLER( namcos1_sound_spinlock_r )
{
if(cpu_get_pc()==sound_spinlock_pc && *sound_spinlock_ram == 0)
cpu_spinuntil_int();
return *sound_spinlock_ram;
}
/*******************************************************************************
* *
* MCU banking emulation and patch *
* *
*******************************************************************************/
/* mcu banked rom area select */
WRITE_HANDLER( namcos1_mcu_bankswitch_w )
{
int addr;
/* bit 2-7 : chip select line of ROM chip */
switch(data&0xfc)
{
case 0xf8: addr = 0x10000; break; /* bit 2 : ROM 0 */
case 0xf4: addr = 0x30000; break; /* bit 3 : ROM 1 */
case 0xec: addr = 0x50000; break; /* bit 4 : ROM 2 */
case 0xdc: addr = 0x70000; break; /* bit 5 : ROM 3 */
case 0xbc: addr = 0x90000; break; /* bit 6 : ROM 4 */
case 0x7c: addr = 0xb0000; break; /* bit 7 : ROM 5 */
default: addr = 0x100000; /* illegal */
}
/* bit 0-1 : address line A15-A16 */
addr += (data&3)*0x8000;
if( addr >= memory_region_length(REGION_CPU4))
{
logerror("unmapped mcu bank selected pc=%04x bank=%02x\n",cpu_get_pc(),data);
addr = 0x4000;
}
cpu_setbank( 4, memory_region(REGION_CPU4)+addr );
}
/* This point is very obscure, but i havent found any better way yet. */
/* Works with all games so far. */
/* patch points of memory address */
/* CPU0/1 bank[17f][1000] */
/* CPU2 [7000] */
/* CPU3 [c000] */
/* This memory point should be set $A6 by anywhere, but */
/* I found set $A6 only initialize in MCU */
/* This patch kill write this data by MCU case $A6 to xx(clear) */
WRITE_HANDLER( mwh_bank3 );
WRITE_HANDLER( namcos1_mcu_patch_w )
{
//logerror("mcu C000 write pc=%04x data=%02x\n",cpu_get_pc(),data);
if(mcu_patch_data == 0xa6) return;
mcu_patch_data = data;
mwh_bank3( offset, data );
}
/*******************************************************************************
* *
* Initialization *
* *
*******************************************************************************/
static OPBASE_HANDLER( namcos1_setopbase_0 )
{
int bank = (address>>13)&7;
OP_RAM = OP_ROM = (namcos1_banks[0][bank].bank_pointer) - (bank<<13);
/* memory.c output warning - op-code execute on mapped i/o */
/* but it is necessary to continue cpu_setOPbase16 function */
/* for update current operationhardware(ophw) code */
return address;
}
static OPBASE_HANDLER( namcos1_setopbase_1 )
{
int bank = (address>>13)&7;
OP_RAM = OP_ROM = (namcos1_banks[1][bank].bank_pointer) - (bank<<13);
/* memory.c output warning - op-code execute on mapped i/o */
/* but it is necessary to continue cpu_setOPbase16 function */
/* for update current operationhardware(ophw) code */
return address;
}
static void namcos1_install_bank(int start,int end,mem_read_handler hr,mem_write_handler hw,
int offset,unsigned char *pointer)
{
int i;
for(i=start;i<=end;i++)
{
namcos1_bank_element[i].bank_handler_r = hr;
namcos1_bank_element[i].bank_handler_w = hw;
namcos1_bank_element[i].bank_offset = offset;
namcos1_bank_element[i].bank_pointer = pointer;
offset += 0x2000;
if(pointer) pointer += 0x2000;
}
}
static void namcos1_install_rom_bank(int start,int end,int size,int offset)
{
unsigned char *BROM = memory_region(REGION_USER1);
int step = size/0x2000;
while(start < end)
{
namcos1_install_bank(start,start+step-1,0,rom_w,0,&BROM[offset]);
start += step;
}
}
static void namcos1_build_banks(mem_read_handler key_r,mem_write_handler key_w)
{
int i;
/* S1 RAM pointer set */
s1ram = memory_region(REGION_USER2);
/* clear all banks to unknown area */
for(i=0;i<NAMCOS1_MAX_BANK;i++)
namcos1_install_bank(i,i,unknown_r,unknown_w,0,0);
/* RAM 6 banks - palette */
namcos1_install_bank(0x170,0x172,namcos1_paletteram_r,namcos1_paletteram_w,0,s1ram);
/* RAM 6 banks - work ram */
namcos1_install_bank(0x173,0x173,0,0,0,&s1ram[0x6000]);
/* RAM 5 banks - videoram */
namcos1_install_bank(0x178,0x17b,namcos1_videoram_r,namcos1_videoram_w,0,0);
/* key chip bank (rev1_key_w / rev2_key_w ) */
namcos1_install_bank(0x17c,0x17c,key_r,key_w,0,0);
/* RAM 7 banks - display control, playfields, sprites */
namcos1_install_bank(0x17e,0x17e,0,namcos1_videocontrol_w,0,&s1ram[0x8000]);
/* RAM 1 shared ram, PSG device */
namcos1_install_bank(0x17f,0x17f,soundram_r,soundram_w,0,namco_wavedata);
/* RAM 3 banks */
namcos1_install_bank(0x180,0x183,0,0,0,&s1ram[0xc000]);
/* PRG0 */
namcos1_install_rom_bank(0x200,0x23f,0x20000 , 0xe0000);
/* PRG1 */
namcos1_install_rom_bank(0x240,0x27f,0x20000 , 0xc0000);
/* PRG2 */
namcos1_install_rom_bank(0x280,0x2bf,0x20000 , 0xa0000);
/* PRG3 */
namcos1_install_rom_bank(0x2c0,0x2ff,0x20000 , 0x80000);
/* PRG4 */
namcos1_install_rom_bank(0x300,0x33f,0x20000 , 0x60000);
/* PRG5 */
namcos1_install_rom_bank(0x340,0x37f,0x20000 , 0x40000);
/* PRG6 */
namcos1_install_rom_bank(0x380,0x3bf,0x20000 , 0x20000);
/* PRG7 */
namcos1_install_rom_bank(0x3c0,0x3ff,0x20000 , 0x00000);
}
void init_namcos1( void ) {
int oldcpu = cpu_getactivecpu(), i;
/* Point all of our bankhandlers to the error handlers */
for ( i = 0; i < 8; i++ ) {
namcos1_banks[0][i].bank_handler_r = unknown_r;
namcos1_banks[0][i].bank_handler_w = unknown_w;
namcos1_banks[0][i].bank_offset = 0;
namcos1_banks[1][i].bank_handler_r = unknown_r;
namcos1_banks[1][i].bank_handler_w = unknown_w;
namcos1_banks[1][i].bank_offset = 0;
}
/* Prepare code for Cpu 0 */
cpu_setactivecpu( 0 );
namcos1_bankswitch_w( 0x0e00, 0x03 ); /* bank7 = 0x3ff(PRG7) */
namcos1_bankswitch_w( 0x0e01, 0xff );
/* Prepare code for Cpu 1 */
cpu_setactivecpu( 1 );
namcos1_bankswitch_w( 0x0e00, 0x03);
namcos1_bankswitch_w( 0x0e01, 0xff);
namcos1_cpu1_banklatch = 0x03ff;
/* reset starting Cpu */
cpu_setactivecpu( oldcpu );
/* Point mcu & sound shared RAM to destination */
{
unsigned char *RAM = namco_wavedata + 0x1000; /* Ram 1, bank 1, offset 0x1000 */
cpu_setbank( 2, RAM );
cpu_setbank( 3, RAM );
}
/* In case we had some cpu's suspended, resume them now */
cpu_set_reset_line(1,ASSERT_LINE);
cpu_set_reset_line(2,ASSERT_LINE);
cpu_set_reset_line(3,ASSERT_LINE);
namcos1_reset = 0;
/* mcu patch data clear */
mcu_patch_data = 0;
berabohm_input_counter = 4; /* for berabohm pressure sensitive buttons */
}
/*******************************************************************************
* *
* driver specific initialize routine *
* *
*******************************************************************************/
struct namcos1_slice_timer
{
int sync_cpu; /* synchronus cpu attribute */
int sliceHz; /* slice cycle */
int delayHz; /* delay>=0 : delay cycle */
/* delay<0 : slide cycle */
};
struct namcos1_specific
{
/* keychip */
int key_id_query , key_id;
mem_read_handler key_r;
mem_write_handler key_w;
/* cpu slice timer */
const struct namcos1_slice_timer *slice_timer;
/* optimize flag , use tilemap for playfield */
int tilemap_use;
};
static void namcos1_driver_init(const struct namcos1_specific *specific )
{
/* keychip id */
key_id_query = specific->key_id_query;
key_id = specific->key_id;
/* tilemap use optimize option */
namcos1_set_optimize( specific->tilemap_use );
/* build bank elements */
namcos1_build_banks(specific->key_r,specific->key_w);
/* override opcode handling for extended memory bank handler */
cpu_setOPbaseoverride( 0,namcos1_setopbase_0 );
cpu_setOPbaseoverride( 1,namcos1_setopbase_1 );
/* sound cpu speedup optimize (auto detect) */
{
unsigned char *RAM = memory_region(REGION_CPU3); /* sound cpu */
int addr,flag_ptr;
for(addr=0xd000;addr<0xd0ff;addr++)
{
if(RAM[addr+0]==0xb6 && /* lda xxxx */
RAM[addr+3]==0x27 && /* BEQ addr */
RAM[addr+4]==0xfb )
{
flag_ptr = RAM[addr+1]*256 + RAM[addr+2];
if(flag_ptr>0x5140 && flag_ptr<0x5400)
{
sound_spinlock_pc = addr+3;
sound_spinlock_ram = install_mem_read_handler(2,flag_ptr,flag_ptr,namcos1_sound_spinlock_r);
logerror("Set sound cpu spinlock : pc=%04x , addr = %04x\n",sound_spinlock_pc,flag_ptr);
break;
}
}
}
}
#if NEW_TIMER
/* all cpu's does not need synchronization to all timers */
cpu_set_full_synchronize(SYNC_NO_CPU);
{
const struct namcos1_slice_timer *slice = specific->slice_timer;
while(slice->sync_cpu != SYNC_NO_CPU)
{
/* start CPU slice timer */
cpu_start_extend_time_slice(slice->sync_cpu,
TIME_IN_HZ(slice->delayHz),TIME_IN_HZ(slice->sliceHz) );
slice++;
}
}
#else
/* compatible with old timer system */
timer_pulse(TIME_IN_HZ(60*25),0,0);
#endif
}
#if NEW_TIMER
/* normaly CPU slice optimize */
/* slice order is 0:2:1:x:0:3:1:x */
static const struct namcos1_slice_timer normal_slice[]={
{ SYNC_2CPU(0,1),60*20,-60*20*2 }, /* CPU 0,1 20/vblank , slide slice */
{ SYNC_2CPU(2,3),60*5,-(60*5*2+60*20*4) }, /* CPU 2,3 10/vblank */
{ SYNC_NO_CPU }
};
#else
static const struct namcos1_slice_timer normal_slice[]={{0}};
#endif
/*******************************************************************************
* Shadowland / Youkai Douchuuki specific *
*******************************************************************************/
void init_shadowld( void )
{
const struct namcos1_specific shadowld_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&shadowld_specific);
}
/*******************************************************************************
* Dragon Spirit specific *
*******************************************************************************/
void init_dspirit( void )
{
const struct namcos1_specific dspirit_specific=
{
0x00,0x36, /* key query , key id */
dspirit_key_r,dspirit_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&dspirit_specific);
}
/*******************************************************************************
* Quester specific *
*******************************************************************************/
void init_quester( void )
{
const struct namcos1_specific quester_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&quester_specific);
}
/*******************************************************************************
* Blazer specific *
*******************************************************************************/
void init_blazer( void )
{
const struct namcos1_specific blazer_specific=
{
0x00,0x13, /* key query , key id */
blazer_key_r,blazer_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&blazer_specific);
}
/*******************************************************************************
* Pac-Mania / Pac-Mania (Japan) specific *
*******************************************************************************/
void init_pacmania( void )
{
const struct namcos1_specific pacmania_specific=
{
0x4b,0x12, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&pacmania_specific);
}
/*******************************************************************************
* Galaga '88 / Galaga '88 (Japan) specific *
*******************************************************************************/
void init_galaga88( void )
{
const struct namcos1_specific galaga88_specific=
{
0x2d,0x31, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&galaga88_specific);
}
/*******************************************************************************
* World Stadium specific *
*******************************************************************************/
void init_ws( void )
{
const struct namcos1_specific ws_specific=
{
0xd3,0x07, /* key query , key id */
ws_key_r,ws_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&ws_specific);
}
/*******************************************************************************
* Beraboh Man specific *
*******************************************************************************/
static READ_HANDLER( berabohm_buttons_r )
{
int res;
if (offset == 0)
{
if (berabohm_input_counter == 0) res = readinputport(0);
else
{
static int counter[4];
res = readinputport(4 + (berabohm_input_counter-1));
if (res & 0x80)
{
if (counter[berabohm_input_counter-1] >= 0)
// res = 0x40 | counter[berabohm_input_counter-1]; I can't get max power with this...
res = 0x40 | (counter[berabohm_input_counter-1]>>1);
else
{
if (res & 0x40) res = 0x40;
else res = 0x00;
}
}
else if (res & 0x40)
{
if (counter[berabohm_input_counter-1] < 0x3f)
{
counter[berabohm_input_counter-1]++;
res = 0x00;
}
else res = 0x7f;
}
else
counter[berabohm_input_counter-1] = -1;
}
berabohm_input_counter = (berabohm_input_counter+1) % 5;
}
else
{
static int clk;
res = 0;
clk++;
if (clk & 1) res |= 0x40;
else if (berabohm_input_counter == 4) res |= 0x10;
res |= (readinputport(1) & 0x8f);
}
return res;
}
void init_berabohm( void )
{
const struct namcos1_specific berabohm_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&berabohm_specific);
install_mem_read_handler(3,0x1400,0x1401,berabohm_buttons_r);
}
/*******************************************************************************
* Alice in Wonderland / Marchen Maze specific *
*******************************************************************************/
void init_alice( void )
{
const struct namcos1_specific alice_specific=
{
0x5b,0x25, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&alice_specific);
}
/*******************************************************************************
* Bakutotsu Kijuutei specific *
*******************************************************************************/
void init_bakutotu( void )
{
const struct namcos1_specific bakutotu_specific=
{
0x03,0x22, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&bakutotu_specific);
}
/*******************************************************************************
* World Court specific *
*******************************************************************************/
void init_wldcourt( void )
{
const struct namcos1_specific worldcourt_specific=
{
0x00,0x35, /* key query , key id */
rev2_key_r,rev2_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&worldcourt_specific);
}
/*******************************************************************************
* Splatter House specific *
*******************************************************************************/
void init_splatter( void )
{
const struct namcos1_specific splatter_specific=
{
0x00,0x00, /* key query , key id */
rev2_key_r,rev2_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&splatter_specific);
}
/*******************************************************************************
* Face Off specific *
*******************************************************************************/
void init_faceoff( void )
{
const struct namcos1_specific faceoff_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&faceoff_specific);
}
/*******************************************************************************
* Rompers specific *
*******************************************************************************/
void init_rompers( void )
{
const struct namcos1_specific rompers_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&rompers_specific);
key[0x70] = 0xb6;
}
/*******************************************************************************
* Blast Off specific *
*******************************************************************************/
void init_blastoff( void )
{
const struct namcos1_specific blastoff_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&blastoff_specific);
key[0] = 0xb7;
}
/*******************************************************************************
* World Stadium '89 specific *
*******************************************************************************/
void init_ws89( void )
{
const struct namcos1_specific ws89_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&ws89_specific);
key[0x20] = 0xb8;
}
/*******************************************************************************
* Dangerous Seed specific *
*******************************************************************************/
void init_dangseed( void )
{
const struct namcos1_specific dangseed_specific=
{
0x00,0x34, /* key query , key id */
dangseed_key_r,dangseed_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&dangseed_specific);
}
/*******************************************************************************
* World Stadium '90 specific *
*******************************************************************************/
void init_ws90( void )
{
const struct namcos1_specific ws90_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&ws90_specific);
key[0x47] = 0x36;
key[0x40] = 0x36;
}
/*******************************************************************************
* Pistol Daimyo no Bouken specific *
*******************************************************************************/
void init_pistoldm( void )
{
const struct namcos1_specific pistoldm_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&pistoldm_specific);
//key[0x17] = ;
//key[0x07] = ;
key[0x43] = 0x35;
}
/*******************************************************************************
* Souko Ban DX specific *
*******************************************************************************/
void init_soukobdx( void )
{
const struct namcos1_specific soukobdx_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&soukobdx_specific);
//key[0x27] = ;
//key[0x07] = ;
key[0x43] = 0x37;
}
/*******************************************************************************
* Puzzle Club specific *
*******************************************************************************/
void init_puzlclub( void )
{
const struct namcos1_specific puzlclub_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&puzlclub_specific);
key[0x03] = 0x35;
}
/*******************************************************************************
* Tank Force specific *
*******************************************************************************/
void init_tankfrce( void )
{
const struct namcos1_specific tankfrce_specific=
{
0x00,0x00, /* key query , key id */
rev1_key_r,rev1_key_w, /* key handler */
normal_slice, /* CPU slice normal */
1 /* use tilemap flag : speedup optimize */
};
namcos1_driver_init(&tankfrce_specific);
//key[0x57] = ;
//key[0x17] = ;
key[0x2b] = 0xb9;
key[0x50] = 0xb9;
}