Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 16:31:49 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

suna16.c: Emulate protection routines rather than patching them

Browse Source 
for uballoon [IQ_132 & JackC]
This commit is contained in:
Michaël Banaan Ananas 2012-10-23 01:05:03 +00:00
parent 48f130435b
commit 792c2a4bed
2 changed files with 58 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
src/mame/drivers/suna16.c
View File

@ -107,6 +107,43 @@ ADDRESS_MAP_END
Ultra Balloon
***************************************************************************/
READ8_MEMBER(suna16_state::uballoon_prot_r)
{
UINT8 ret = 0;
switch (offset)
{
case 0x0011/2:
ret = ((m_prot & 0x03) == 0x03) ? 2 : 0;
ret |= ((m_prot & 0x30) == 0x30) ? 1 : 0;
break;
case 0x0311/2:
ret = 0x03;
break;
default:
//logerror("uballoon_prot_r %04X\n", offset);
break;
}
return ret;
}
WRITE8_MEMBER(suna16_state::uballoon_prot_w)
{
switch (offset)
{
case 0x0001/2:
m_prot = data;
break;
default:
//logerror("uballoon_prot_w %04X=%02X\n", offset, data);
break;
}
}
static ADDRESS_MAP_START( uballoon_map, AS_PROGRAM, 16, suna16_state )
AM_RANGE(0x000000, 0x0fffff) AM_ROM // ROM
AM_RANGE(0x800000, 0x803fff) AM_RAM // RAM
@ -120,7 +157,7 @@ static ADDRESS_MAP_START( uballoon_map, AS_PROGRAM, 16, suna16_state )
AM_RANGE(0x600008, 0x600009) AM_WRITE(uballoon_leds_w) // Leds
AM_RANGE(0x60000c, 0x60000d) AM_WRITENOP // ? IRQ 1 Ack
AM_RANGE(0x600010, 0x600011) AM_WRITENOP // ? IRQ 1 Ack
AM_RANGE(0xa00000, 0xa0ffff) AM_NOP // Protection
AM_RANGE(0xa00000, 0xa0ffff) AM_READWRITE8(uballoon_prot_r, uballoon_prot_w, 0x00ff) // Protection
ADDRESS_MAP_END
@ -145,36 +182,30 @@ ADDRESS_MAP_END
Best Of Best
***************************************************************************/
READ16_MEMBER(suna16_state::bestbest_prot_r)
READ8_MEMBER(suna16_state::bestbest_prot_r)
{
return m_prot;
}
WRITE16_MEMBER(suna16_state::bestbest_prot_w)
WRITE8_MEMBER(suna16_state::bestbest_prot_w)
{
if (ACCESSING_BITS_0_7)
switch (data)
{
switch (data & 0xff)
{
case 0x00: m_prot = m_prot ^ 0x0009; break;
case 0x08: m_prot = m_prot ^ 0x0002; break;
case 0x0c: m_prot = m_prot ^ 0x0003; break;
//default: logerror("CPU#0 PC %06X - Unknown protection value: %04X\n", space.device().safe_pc(), data);
}
case 0x00: m_prot = m_prot ^ 0x0009; break;
case 0x08: m_prot = m_prot ^ 0x0002; break;
case 0x0c: m_prot = m_prot ^ 0x0003; break;
//default: logerror("CPU#0 PC %06X - Unknown protection value: %04X\n", space.device().safe_pc(), data);
}
}
static ADDRESS_MAP_START( bestbest_map, AS_PROGRAM, 16, suna16_state )
AM_RANGE( 0x000000, 0x03ffff ) AM_ROM AM_MIRROR(0xc0000) // ROM
AM_RANGE( 0x200000, 0x2fffff ) AM_ROM AM_REGION("user1", 0) // ROM
AM_RANGE( 0x500000, 0x500001 ) AM_READ_PORT("P1") AM_WRITE(suna16_soundlatch_w) // To Sound CPU
AM_RANGE( 0x500002, 0x500003 ) AM_READ_PORT("P2") AM_WRITE(bestbest_flipscreen_w) // P2 + Coins, Flip Screen
AM_RANGE( 0x500004, 0x500005 ) AM_READ_PORT("DSW") AM_WRITE(bestbest_coin_w) // Coin Counter
AM_RANGE( 0x500008, 0x500009 ) AM_WRITE(bestbest_prot_w ) // Protection
AM_RANGE( 0x500018, 0x500019 ) AM_READ(bestbest_prot_r ) //
AM_RANGE( 0x500008, 0x500009 ) AM_WRITE8(bestbest_prot_w, 0x00ff) // Protection
AM_RANGE( 0x500018, 0x500019 ) AM_READ8(bestbest_prot_r, 0x00ff) // "
AM_RANGE( 0x540000, 0x540fff ) AM_READWRITE(suna16_paletteram16_r, suna16_paletteram16_w ) // Banked(?) Palette
AM_RANGE( 0x541000, 0x54ffff ) AM_RAM //
AM_RANGE( 0x580000, 0x58ffff ) AM_RAM // RAM
@ -1025,7 +1056,6 @@ MACHINE_CONFIG_END
***************************************************************************/
ROM_START( bssoccer )
ROM_REGION( 0x200000, "maincpu", 0 ) /* 68000 Code */
ROM_LOAD16_BYTE( "02", 0x000000, 0x080000, CRC(32871005) SHA1(b094ee3f4fc24c0521915d565f6e203d51e51f6d) )
ROM_LOAD16_BYTE( "01", 0x000001, 0x080000, CRC(ace00db6) SHA1(6bd146f9b44c97be77578b4f0ffa28cbf66283c2) )
@ -1048,7 +1078,6 @@ ROM_START( bssoccer )
ROM_LOAD( "06", 0x180000, 0x080000, CRC(d42ce84b) SHA1(3a3d07d571793ecf4c936d3af244c63b9e4b4bb9) )
ROM_LOAD( "08", 0x200000, 0x080000, CRC(96cd2136) SHA1(1241859d6c5e64de73898763f0358171ea4aeae3) )
ROM_LOAD( "10", 0x280000, 0x080000, CRC(1ca94d21) SHA1(23d892b840e37064a175584f955f25f990d9179d) )
ROM_END
@ -1073,7 +1102,6 @@ audio2.rom 27c010
***************************************************************************/
ROM_START( uballoon )
ROM_REGION( 0x100000, "maincpu", 0 ) /* 68000 Code */
ROM_LOAD16_BYTE( "prg2.rom", 0x000000, 0x080000, CRC(72ab80ea) SHA1(b755940877cf286559208106dd5e6933aeb72242) )
ROM_LOAD16_BYTE( "prg1.rom", 0x000001, 0x080000, CRC(27a04f55) SHA1(a530294b000654db8d84efe4835b72e0dca62819) )
@ -1091,23 +1119,8 @@ ROM_START( uballoon )
ROM_LOAD( "gfx2.rom", 0x080000, 0x080000, CRC(6307aa60) SHA1(00406eba98ec368e72ee53c08b9111dec4f2552f) )
ROM_LOAD( "gfx3.rom", 0x100000, 0x080000, CRC(718f3150) SHA1(5971f006203f86743ebc825e4ab1ed1f811e3165) )
ROM_LOAD( "gfx4.rom", 0x180000, 0x080000, CRC(af7e057e) SHA1(67a03b54ffa1483c8ed044f27287b7f3f1150455) )
ROM_END
DRIVER_INIT_MEMBER(suna16_state,uballoon)
{
UINT16 *RAM = (UINT16 *) machine().root_device().memregion("maincpu")->base();
// Patch out the protection checks
RAM[0x0113c/2] = 0x4e71; // bne $646
RAM[0x0113e/2] = 0x4e71; // ""
RAM[0x01784/2] = 0x600c; // beq $1792
RAM[0x018e2/2] = 0x600c; // beq $18f0
RAM[0x03c54/2] = 0x600C; // beq $3c62
RAM[0x126a0/2] = 0x4e71; // bne $1267a (ROM test)
}
/***************************************************************************
Suna Quiz 6000 Academy
@ -1250,7 +1263,7 @@ ROM_END
***************************************************************************/
GAME( 1994, bestbest, 0, bestbest, bestbest, driver_device, 0, ROT0, "SunA", "Best Of Best", 0 )
GAME( 1994, sunaq, 0, sunaq, sunaq, driver_device, 0, ROT0, "SunA", "SunA Quiz 6000 Academy (940620-6)", 0 ) // Date/Version on-screen is 940620-6, but in the program rom it's 1994,6,30 K.H.T V6.00
GAME( 1996, bssoccer, 0, bssoccer, bssoccer, driver_device, 0, ROT0, "SunA (Unico license)", "Back Street Soccer", 0 )
GAME( 1996, uballoon, 0, uballoon, uballoon, suna16_state, uballoon, ROT0, "SunA (Unico license)", "Ultra Balloon", 0 )
GAME( 1994, bestbest, 0, bestbest, bestbest, driver_device, 0, ROT0, "SunA", "Best Of Best", 0 )
GAME( 1994, sunaq, 0, sunaq, sunaq, driver_device, 0, ROT0, "SunA", "SunA Quiz 6000 Academy (940620-6)", 0 ) // Date/Version on-screen is 940620-6, but in the program rom it's 1994,6,30 K.H.T V6.00
GAME( 1996, bssoccer, 0, bssoccer, bssoccer, driver_device, 0, ROT0, "SunA (Unico license)", "Back Street Soccer", 0 )
GAME( 1996, uballoon, 0, uballoon, uballoon, driver_device, 0, ROT0, "SunA (Unico license)", "Ultra Balloon", 0 )

11
src/mame/includes/suna16.h
View File

@ -5,22 +5,25 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_spriteram(*this, "spriteram"),
m_spriteram2(*this, "spriteram2"){ }
m_spriteram2(*this, "spriteram2")
{ }
required_device<cpu_device> m_maincpu;
required_shared_ptr<UINT16> m_spriteram;
optional_shared_ptr<UINT16> m_spriteram2;
UINT16 m_prot;
UINT8 m_prot;
UINT16 *m_paletteram;
int m_color_bank;
DECLARE_WRITE16_MEMBER(suna16_soundlatch_w);
DECLARE_WRITE16_MEMBER(bssoccer_leds_w);
DECLARE_WRITE16_MEMBER(uballoon_leds_w);
DECLARE_READ8_MEMBER(uballoon_prot_r);
DECLARE_WRITE8_MEMBER(uballoon_prot_w);
DECLARE_WRITE16_MEMBER(bestbest_coin_w);
DECLARE_READ16_MEMBER(bestbest_prot_r);
DECLARE_WRITE16_MEMBER(bestbest_prot_w);
DECLARE_READ8_MEMBER(bestbest_prot_r);
DECLARE_WRITE8_MEMBER(bestbest_prot_w);
DECLARE_WRITE8_MEMBER(bssoccer_pcm_1_bankswitch_w);
DECLARE_WRITE8_MEMBER(bssoccer_pcm_2_bankswitch_w);
DECLARE_WRITE8_MEMBER(uballoon_pcm_1_bankswitch_w);