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Implemented FRC hook-up to Sega System 24 HW, fixes missing SFXs to Bonanza Bros. [Angelo Salese, Phil Bennett, Charles MacDonald]

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This commit is contained in:
Angelo Salese 2011-11-09 21:39:59 +00:00
parent 488de34f24
commit 28b51c152b
3 changed files with 23 additions and 34 deletions
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2
makefile
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@ -212,7 +212,7 @@ BUILD_EXPAT = 1
BUILD_ZLIB = 1
# uncomment next line to include the symbols
# SYMBOLS = 1
SYMBOLS = 1
# specify symbols level or leave commented to use the default
# (default is SYMLEVEL = 2 normally; use 1 if you only need backtrace)

51
src/mame/drivers/segas24.c
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@ -10,7 +10,6 @@
/* Missing:
- linescroll in special modes (qgh title, mahmajn2/qrouka attract mode)
- screen flipping (mix register 13 & 2)
- most SFXs in Bonanza Bros. during gameplay
*/
/*
@ -739,21 +738,23 @@ READ8_MEMBER( segas24_state::frc_mode_r )
WRITE8_MEMBER( segas24_state::frc_mode_w )
{
/* reset frc if a write here happens */
frc_cnt = 0;
/* reset frc if a write happens here */
frc_cnt_timer->reset();
frc_mode = data & 1;
irq_frc->adjust(attotime::from_hz(frc_mode ? FRC_CLOCK_MODE1 : FRC_CLOCK_MODE0));
}
READ8_MEMBER( segas24_state::frc_r )
{
return frc_cnt;
INT32 result = (frc_cnt_timer->time_elapsed() * (frc_mode ? FRC_CLOCK_MODE1 : FRC_CLOCK_MODE0)).as_double();
result %= ((frc_mode) ? 0x100 : 0x67);
return result;
}
WRITE8_MEMBER( segas24_state::frc_w )
{
/* Undocumented behaviour ... */
frc_cnt = data;
/* Undocumented behaviour, Bonanza Bros. seems to use this for irq ack'ing ... */
cputag_set_input_line(machine(), "maincpu", IRQ_FRC+1, CLEAR_LINE);
cputag_set_input_line(machine(), "sub", IRQ_FRC+1, CLEAR_LINE);
}
@ -893,26 +894,12 @@ static TIMER_DEVICE_CALLBACK( irq_timer_clear_cb )
static TIMER_DEVICE_CALLBACK( irq_frc_cb )
{
segas24_state *state = timer.machine().driver_data<segas24_state>();
state->frc_cnt++;
if((state->frc_mode == 0 && state->frc_cnt == 0x100) || (state->frc_mode == 1 && state->frc_cnt == 0x67))
{
state->frc_cnt = 0;
}
if(state->irq_allow0 & (1 << IRQ_FRC) && state->frc_mode == 1)
cputag_set_input_line(timer.machine(), "maincpu", IRQ_FRC+1, ASSERT_LINE);
if(state->frc_mode == 1)
{
if(state->irq_allow0 & (1 << IRQ_FRC))
{
cputag_set_input_line(timer.machine(), "maincpu", IRQ_FRC+1, ASSERT_LINE);
}
if(state->irq_allow1 & (1 << IRQ_FRC))
{
cputag_set_input_line(timer.machine(), "sub", IRQ_FRC+1, ASSERT_LINE);
}
}
state->irq_frc->adjust(attotime::from_hz(state->frc_mode ? FRC_CLOCK_MODE1 : FRC_CLOCK_MODE0));
if(state->irq_allow1 & (1 << IRQ_FRC) && state->frc_mode == 1)
cputag_set_input_line(timer.machine(), "sub", IRQ_FRC+1, ASSERT_LINE);
}
void segas24_state::irq_init()
@ -927,7 +914,6 @@ void segas24_state::irq_init()
irq_sprite = 0;
irq_timer = machine().device<timer_device>("irq_timer");
irq_timer_clear = machine().device<timer_device>("irq_timer_clear");
irq_frc = machine().device<timer_device>("irq_frc");
irq_tval = 0;
irq_synctime = attotime::zero;
irq_vsynctime = attotime::zero;
@ -1301,8 +1287,10 @@ static MACHINE_RESET( system24 )
state->irq_init();
state->mlatch = 0x00;
state->frc_mode = 0;
state->frc_cnt = 0;
state->irq_frc->adjust(attotime::from_hz(state->frc_mode ? FRC_CLOCK_MODE1 : FRC_CLOCK_MODE0));
state->frc_cnt_timer = machine.device<timer_device>("frc_timer");
//state->frc_cnt_timer->reset();
//state->frc_cnt = 0;
//state->irq_frc->adjust(attotime::from_hz(state->frc_mode ? FRC_CLOCK_MODE1 : FRC_CLOCK_MODE0));
}
/*************************************
@ -1974,7 +1962,8 @@ static MACHINE_CONFIG_START( system24, segas24_state )
MCFG_TIMER_ADD("irq_timer", irq_timer_cb)
MCFG_TIMER_ADD("irq_timer_clear", irq_timer_clear_cb)
MCFG_TIMER_ADD("irq_frc", irq_frc_cb)
MCFG_TIMER_ADD("frc_timer", NULL) //stopwatch timer
MCFG_TIMER_ADD_PERIODIC("irq_frc", irq_frc_cb, attotime::from_hz(FRC_CLOCK_MODE1))
MCFG_VIDEO_ATTRIBUTES(VIDEO_UPDATE_AFTER_VBLANK)
@ -2546,8 +2535,8 @@ static DRIVER_INIT( roughrac )
/* 05 */GAME( 1989, sgmastc, sgmast, system24_floppy, sgmast, sgmast, ROT0, "Sega", "Jumbo Ozaki Super Masters Golf (World, Floppy Based, FD1094 317-0058-05c)", GAME_IMPERFECT_GRAPHICS ) // some gfx offset / colour probs?
/* 05 */GAME( 1989, sgmastj, sgmast, system24_floppy, sgmastj, sgmast, ROT0, "Sega", "Jumbo Ozaki Super Masters Golf (Japan, Floppy Based, FD1094 317-0058-05b)", GAME_IMPERFECT_GRAPHICS ) // some gfx offset / colour probs?
/* 06 */GAME( 1990, roughrac, 0, system24_floppy, roughrac, roughrac, ROT0, "Sega", "Rough Racer (Japan, Floppy Based, FD1094 317-0058-06b)", 0 )
/* 07 */GAME( 1990, bnzabros, 0, system24_floppy, bnzabros, bnzabros, ROT0, "Sega", "Bonanza Bros (US, Floppy DS3-5000-07d? Based)", GAME_IMPERFECT_SOUND )
/* 07 */GAME( 1990, bnzabrosj, bnzabros, system24_floppy, bnzabros, bnzabros, ROT0, "Sega", "Bonanza Bros (Japan, Floppy DS3-5000-07b Based)", GAME_IMPERFECT_SOUND )
/* 07 */GAME( 1990, bnzabros, 0, system24_floppy, bnzabros, bnzabros, ROT0, "Sega", "Bonanza Bros (US, Floppy DS3-5000-07d? Based)", 0 )
/* 07 */GAME( 1990, bnzabrosj, bnzabros, system24_floppy, bnzabros, bnzabros, ROT0, "Sega", "Bonanza Bros (Japan, Floppy DS3-5000-07b Based)", 0 )
/* 08 */GAME( 1991, qsww, 0, system24_floppy, qsww, qsww, ROT0, "Sega", "Quiz Syukudai wo Wasuremashita (Japan, Floppy Based, FD1094 317-0058-08b)", GAME_IMPERFECT_GRAPHICS ) // wrong bg colour on title
/* 09 */GAME( 1991, dcclubfd, dcclub, system24_floppy, dcclub, dcclubfd, ROT0, "Sega", "Dynamic Country Club (US, Floppy Based, FD1094 317-0058-09d)", 0 )

4
src/mame/includes/segas24.h
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@ -41,11 +41,11 @@ public:
int irq_yms;
int irq_vblank;
int irq_sprite;
int frc_cnt;
attotime irq_synctime, irq_vsynctime;
timer_device *irq_timer;
timer_device *irq_timer_clear;
timer_device *irq_frc;
//timer_device *irq_frc;
timer_device *frc_cnt_timer;
UINT8 frc_mode;
UINT16 *shared_ram;