mirror of
https://github.com/holub/mame
synced 2025-04-23 17:00:53 +03:00
Cleaned-up protection simulation in Yam Yam!? [Angelo Salese]
This commit is contained in:
Angelo Salese
parent
382f32acac
commit
66cd2fb0b8
@ -56,69 +56,6 @@ static WRITE8_HANDLER( yamyam_bankswitch_w )
|
||||
memory_set_bank(space->machine(), "bank1", data & 0x07);
|
||||
}
|
||||
|
||||
static WRITE8_HANDLER( yamyam_protection_w )
|
||||
{
|
||||
gundealr_state *state = space->machine().driver_data<gundealr_state>();
|
||||
logerror("e000 = %02x\n", state->m_rambase[0x000]);
|
||||
state->m_rambase[0x000] = data;
|
||||
if (data == 0x03) state->m_rambase[0x001] = 0x03;
|
||||
if (data == 0x04) state->m_rambase[0x001] = 0x04;
|
||||
if (data == 0x05) state->m_rambase[0x001] = 0x05;
|
||||
if (data == 0x0a) state->m_rambase[0x001] = 0x08;
|
||||
if (data == 0x0d) state->m_rambase[0x001] = 0x07;
|
||||
|
||||
if (data == 0x03)
|
||||
{
|
||||
/*
|
||||
read dip switches
|
||||
3a 00 c0 ld a,($c000)
|
||||
47 ld b,a
|
||||
3a 01 c0 ld a,($c001)
|
||||
c9 ret
|
||||
*/
|
||||
state->m_rambase[0x010] = 0x3a;
|
||||
state->m_rambase[0x011] = 0x00;
|
||||
state->m_rambase[0x012] = 0xc0;
|
||||
state->m_rambase[0x013] = 0x47;
|
||||
state->m_rambase[0x014] = 0x3a;
|
||||
state->m_rambase[0x015] = 0x01;
|
||||
state->m_rambase[0x016] = 0xc0;
|
||||
state->m_rambase[0x017] = 0xc9;
|
||||
}
|
||||
|
||||
if (data == 0x05)
|
||||
{
|
||||
/*
|
||||
add a to hl
|
||||
c5 push bc
|
||||
010000 ld bc,#0000
|
||||
4f ld c,a
|
||||
09 add hl,bc
|
||||
c1 pop bc
|
||||
c9 ret
|
||||
*/
|
||||
state->m_rambase[0x020] = 0xc5;
|
||||
state->m_rambase[0x021] = 0x01;
|
||||
state->m_rambase[0x022] = 0x00;
|
||||
state->m_rambase[0x023] = 0x00;
|
||||
state->m_rambase[0x024] = 0x4f;
|
||||
state->m_rambase[0x025] = 0x09;
|
||||
state->m_rambase[0x026] = 0xc1;
|
||||
state->m_rambase[0x027] = 0xc9;
|
||||
/*
|
||||
lookup data in table
|
||||
cd20e0 call #e020
|
||||
7e ld a,(hl)
|
||||
c9 ret
|
||||
*/
|
||||
state->m_rambase[0x010] = 0xcd;
|
||||
state->m_rambase[0x011] = 0x20;
|
||||
state->m_rambase[0x012] = 0xe0;
|
||||
state->m_rambase[0x013] = 0x7e;
|
||||
state->m_rambase[0x014] = 0xc9;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 )
|
||||
@ -448,19 +385,10 @@ static MACHINE_RESET( gundealr )
|
||||
|
||||
static TIMER_DEVICE_CALLBACK( gundealr_scanline )
|
||||
{
|
||||
gundealr_state *state = timer.machine().driver_data<gundealr_state>();
|
||||
int scanline = param;
|
||||
|
||||
if(scanline == 240) // vblank-out irq
|
||||
{
|
||||
if (state->m_input_ports_hack)
|
||||
{
|
||||
state->m_rambase[0x004] = input_port_read(timer.machine(), "IN2");
|
||||
state->m_rambase[0x005] = input_port_read(timer.machine(), "IN1");
|
||||
state->m_rambase[0x006] = input_port_read(timer.machine(), "IN0");
|
||||
}
|
||||
cputag_set_input_line_and_vector(timer.machine(), "maincpu", 0, HOLD_LINE,0xd7); /* RST 10h */
|
||||
}
|
||||
else if((scanline == 0) || (scanline == 120) ) //timer irq
|
||||
cputag_set_input_line_and_vector(timer.machine(), "maincpu", 0, HOLD_LINE,0xcf); /* RST 10h */
|
||||
}
|
||||
@ -511,6 +439,75 @@ static MACHINE_CONFIG_START( gundealr, gundealr_state )
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
static TIMER_DEVICE_CALLBACK( yamyam_mcu_sim )
|
||||
{
|
||||
gundealr_state *state = timer.machine().driver_data<gundealr_state>();
|
||||
static const UINT8 snipped_cmd03[8] = { 0x3a, 0x00, 0xc0, 0x47, 0x3a, 0x01, 0xc0, 0xc9 };
|
||||
static const UINT8 snipped_cmd05_1[5] = { 0xcd, 0x20, 0xe0, 0x7e, 0xc9 };
|
||||
static const UINT8 snipped_cmd05_2[8] = { 0xc5, 0x01, 0x00, 0x00, 0x4f, 0x09, 0xc1, 0xc9 };
|
||||
|
||||
int i;
|
||||
|
||||
//logerror("e000 = %02x\n", state->m_rambase[0x000]);
|
||||
switch(state->m_rambase[0x000])
|
||||
{
|
||||
case 0x03:
|
||||
state->m_rambase[0x001] = 0x03;
|
||||
/*
|
||||
read dip switches
|
||||
3a 00 c0 ld a,($c000)
|
||||
47 ld b,a
|
||||
3a 01 c0 ld a,($c001)
|
||||
c9 ret
|
||||
*/
|
||||
for(i=0;i<8;i++)
|
||||
state->m_rambase[0x010+i] = snipped_cmd03[i];
|
||||
|
||||
break;
|
||||
case 0x04:
|
||||
state->m_rambase[0x001] = 0x04;
|
||||
break;
|
||||
case 0x05:
|
||||
state->m_rambase[0x001] = 0x05;
|
||||
/*
|
||||
add a to hl
|
||||
c5 push bc
|
||||
01 00 00 ld bc,#0000
|
||||
4f ld c,a
|
||||
09 add hl,bc
|
||||
c1 pop bc
|
||||
c9 ret
|
||||
*/
|
||||
for(i=0;i<8;i++)
|
||||
state->m_rambase[0x020+i] = snipped_cmd05_2[i];
|
||||
|
||||
/*
|
||||
lookup data in table
|
||||
cd 20 e0 call #e020
|
||||
7e ld a,(hl)
|
||||
c9 ret
|
||||
*/
|
||||
for(i=0;i<5;i++)
|
||||
state->m_rambase[0x010+i] = snipped_cmd05_1[i];
|
||||
|
||||
break;
|
||||
case 0x0a:
|
||||
state->m_rambase[0x001] = 0x08;
|
||||
break;
|
||||
case 0x0d:
|
||||
state->m_rambase[0x001] = 0x07;
|
||||
break;
|
||||
}
|
||||
|
||||
state->m_rambase[0x004] = input_port_read(timer.machine(), "IN2");
|
||||
state->m_rambase[0x005] = input_port_read(timer.machine(), "IN1");
|
||||
state->m_rambase[0x006] = input_port_read(timer.machine(), "IN0");
|
||||
}
|
||||
|
||||
static MACHINE_CONFIG_DERIVED( yamyam, gundealr )
|
||||
|
||||
MCFG_TIMER_ADD_PERIODIC("mcusim", yamyam_mcu_sim, attotime::from_hz(8000000/60)) // not real, but for simulating the MCU
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
@ -560,6 +557,9 @@ ROM_START( yamyam )
|
||||
ROM_LOAD( "b3.f10", 0x00000, 0x20000, CRC(96ae9088) SHA1(a605882dcdcf1e8cf8b0112f614e696d59acfd97) )
|
||||
ROM_RELOAD( 0x10000, 0x20000 ) /* banked at 0x8000-0xbfff */
|
||||
|
||||
ROM_REGION( 0x10000, "mcu", 0 ) //unknown type, there must be one
|
||||
ROM_LOAD( "mcu", 0x0000, 0x10000, NO_DUMP)
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "b2.d16", 0x00000, 0x10000, CRC(cb4f84ee) SHA1(54319ecbd74b763757eb6d17c8f7be0705ab0714) )
|
||||
|
||||
@ -573,6 +573,9 @@ ROM_START( wiseguy )
|
||||
ROM_LOAD( "b3.f10", 0x00000, 0x20000, CRC(96ae9088) SHA1(a605882dcdcf1e8cf8b0112f614e696d59acfd97) )
|
||||
ROM_RELOAD( 0x10000, 0x20000 ) /* banked at 0x8000-0xbfff */
|
||||
|
||||
ROM_REGION( 0x10000, "mcu", 0 ) //unknown type, there must be one
|
||||
ROM_LOAD( "mcu", 0x0000, 0x10000, NO_DUMP)
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "wguyb2.bin", 0x00000, 0x10000, CRC(1c684c46) SHA1(041bc500e31b02a8bf3ce4683a67de998f938ccc) )
|
||||
|
||||
@ -582,23 +585,11 @@ ROM_END
|
||||
|
||||
|
||||
|
||||
static DRIVER_INIT( gundealr )
|
||||
{
|
||||
gundealr_state *state = machine.driver_data<gundealr_state>();
|
||||
state->m_input_ports_hack = 0;
|
||||
}
|
||||
|
||||
static DRIVER_INIT( yamyam )
|
||||
{
|
||||
gundealr_state *state = machine.driver_data<gundealr_state>();
|
||||
state->m_input_ports_hack = 1;
|
||||
machine.device("maincpu")->memory().space(AS_PROGRAM)->install_legacy_write_handler(0xe000, 0xe000, FUNC(yamyam_protection_w));
|
||||
}
|
||||
|
||||
|
||||
|
||||
GAME( 1990, gundealr, 0, gundealr, gundealr, gundealr, ROT270, "Dooyong", "Gun Dealer", GAME_SUPPORTS_SAVE )
|
||||
GAME( 19??, gundealra, gundealr, gundealr, gundealr, gundealr, ROT270, "Dooyong", "Gun Dealer (alt card set)", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, gundealrt, gundealr, gundealr, gundealt, gundealr, ROT270, "Dooyong (Tecmo license)", "Gun Dealer (Korea)", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, yamyam, 0, gundealr, yamyam, yamyam, ROT0, "Dooyong", "Yam! Yam!?", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, wiseguy, yamyam, gundealr, yamyam, yamyam, ROT0, "Dooyong", "Wise Guy", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, gundealr, 0, gundealr, gundealr, 0, ROT270, "Dooyong", "Gun Dealer", GAME_SUPPORTS_SAVE )
|
||||
GAME( 19??, gundealra, gundealr, gundealr, gundealr, 0, ROT270, "Dooyong", "Gun Dealer (alt card set)", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, gundealrt, gundealr, gundealr, gundealt, 0, ROT270, "Dooyong (Tecmo license)", "Gun Dealer (Korea)", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, yamyam, 0, yamyam, yamyam, 0, ROT0, "Dooyong", "Yam! Yam!?", GAME_SUPPORTS_SAVE )
|
||||
GAME( 1990, wiseguy, yamyam, yamyam, yamyam, 0, ROT0, "Dooyong", "Wise Guy", GAME_SUPPORTS_SAVE )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user