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viper: fix U13 fail (nw)

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This commit is contained in:
Ville Linde 2016-02-07 18:43:13 +02:00
parent db8397c470
commit ee3b2ca1b6
1 changed files with 27 additions and 17 deletions
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44
src/mame/drivers/viper.cpp
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@ -327,21 +327,21 @@ some other components. It will be documented at a later date.
Game status:
ppp2nd POST: "DIP SWITCH ERROR", "NO SECURITY ERROR"
boxingm Goes to attract mode when ran with memory card check. Coins up.
code1d,b Inf loop on blue screen (writes to I2C before)
gticlub2 Inf loop on blue screen (writes to I2C before)
code1d,b RTC self check bad
gticlub2 Attract mode works. Coins up. Hangs in car selection.
gticlub2ea Doesn't boot: bad CHD?
jpark3 POST?: Shows "Now loading..." then black screen (sets global timer 1 on EPIC...)
mocapglf Inf loop on blue screen (writes to I2C before)
mocapb,j POST: U13 bad
p911,e,j,uc,kc POST: U13 bad
p9112 POST: U13 bad
mocapglf Security code error
mocapb,j Crash after self checks
p911,e,j,uc,kc "Distribution error"
p9112 RTC self check bad
popn9 Doesn't boot: bad CHD?
sscopex/sogeki Inf loop on blue screen
sscopex/sogeki Security code error
thrild2,a Attract mode with partial graphics. Coins up. Hangs in car selection screen.
thrild2c Inf loop on blue screen
tsurugi Goes to attract mode when ran with memory card check. Coins up.
tsurugij No NVRAM
wcombat Hangs on blue screen
wcombat Stuck on network check
xtrial Attract mode. Hangs.
mfightc,c Passes POST. Waits for network connection from main unit? Spams writes to 0xffe08000 (8-bit)
*/
@ -355,7 +355,7 @@ some other components. It will be documented at a later date.
#include "video/voodoo.h"
#define VIPER_DEBUG_LOG
#define VIPER_DEBUG_EPIC_INTS 1
#define VIPER_DEBUG_EPIC_INTS 0
#define VIPER_DEBUG_EPIC_TIMERS 0
#define VIPER_DEBUG_EPIC_REGS 0
#define VIPER_DEBUG_EPIC_I2C 0
@ -363,7 +363,6 @@ some other components. It will be documented at a later date.
#define SDRAM_CLOCK 166666666 // Main SDRAMs run at 166MHz
static UINT32 *workram;
static emu_timer *ds2430_timer;
@ -377,7 +376,8 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ata(*this, "ata"),
m_voodoo(*this, "voodoo")
m_voodoo(*this, "voodoo"),
m_workram(*this, "workram")
{
}
@ -430,6 +430,9 @@ public:
INTERRUPT_GEN_MEMBER(viper_vblank);
TIMER_CALLBACK_MEMBER(epic_global_timer_callback);
TIMER_CALLBACK_MEMBER(ds2430_timer_callback);
#if VIPER_DEBUG_EPIC_REGS
const char* epic_get_register_name(UINT32 reg);
#endif
void epic_update_interrupts();
void mpc8240_interrupt(int irq);
void mpc8240_epic_init();
@ -439,6 +442,7 @@ public:
required_device<ppc_device> m_maincpu;
required_device<ata_interface_device> m_ata;
required_device<voodoo_3_device> m_voodoo;
required_shared_ptr<UINT64> m_workram;
};
UINT32 viper_state::screen_update_viper(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
@ -624,7 +628,7 @@ struct MPC8240_EPIC
static MPC8240_EPIC epic;
#if VIPER_DEBUG_EPIC_REGS
const viper_state::char* epic_get_register_name(UINT32 reg)
const char* viper_state::epic_get_register_name(UINT32 reg)
{
switch (reg >> 16)
{
@ -866,7 +870,9 @@ READ32_MEMBER(viper_state::epic_r)
{
if (epic.i2c_state == I2C_STATE_ADDRESS_CYCLE)
{
#if VIPER_DEBUG_EPIC_I2C
printf("I2C address cycle read\n");
#endif
epic.i2c_state = I2C_STATE_DATA_TRANSFER;
@ -876,7 +882,9 @@ READ32_MEMBER(viper_state::epic_r)
// generate interrupt if interrupt are enabled
if (epic.i2c_cr & 0x40)
{
#if VIPER_DEBUG_EPIC_I2C
printf("I2C interrupt\n");
#endif
mpc8240_interrupt(MPC8240_I2C_IRQ);
// set interrupt flag in status register
@ -885,7 +893,9 @@ READ32_MEMBER(viper_state::epic_r)
}
else if (epic.i2c_state == I2C_STATE_DATA_TRANSFER)
{
#if VIPER_DEBUG_EPIC_I2C
printf("I2C data read\n");
#endif
epic.i2c_state = I2C_STATE_ADDRESS_CYCLE;
@ -967,7 +977,7 @@ READ32_MEMBER(viper_state::epic_r)
ret |= epic.irq[MPC8240_I2C_IRQ].priority << 16;
ret |= epic.irq[MPC8240_I2C_IRQ].vector;
ret |= epic.irq[MPC8240_I2C_IRQ].active ? 0x40000000 : 0;
return ret;
break;
}
}
break;
@ -1756,7 +1766,7 @@ READ64_MEMBER(viper_state::unk1_r)
reg |= (unk1_bit << 5);
reg |= 0x40; // if this bit is 0, loads a disk copier instead
//r |= 0x04; // screen flip
//reg |= 0x08; // memory card check (1 = enable)
reg |= 0x08; // memory card check (1 = enable)
r |= reg << 40;
@ -1852,8 +1862,8 @@ void viper_state::DS2430_w(int bit)
case DS2430_STATE_READ_MEM:
{
unk1_bit = (ds2430_rom[(ds2430_data_count/8)] >> (ds2430_data_count%8)) & 1;
ds2430_data_count++;
unk1_bit = rand () & 1;
printf("DS2430_w: read mem %d, bit = %d\n", ds2430_data_count, unk1_bit);
if (ds2430_data_count >= 256)
@ -2045,7 +2055,7 @@ WRITE64_MEMBER(viper_state::unk_serial_w)
/*****************************************************************************/
static ADDRESS_MAP_START(viper_map, AS_PROGRAM, 64, viper_state )
AM_RANGE(0x00000000, 0x00ffffff) AM_MIRROR(0x1000000) AM_RAM
AM_RANGE(0x00000000, 0x00ffffff) AM_MIRROR(0x1000000) AM_RAM AM_SHARE("workram")
AM_RANGE(0x80000000, 0x800fffff) AM_READWRITE32(epic_r, epic_w,U64(0xffffffffffffffff))
AM_RANGE(0x82000000, 0x83ffffff) AM_READWRITE(voodoo3_r, voodoo3_w)
AM_RANGE(0x84000000, 0x85ffffff) AM_READWRITE(voodoo3_lfb_r, voodoo3_lfb_w)
@ -2144,7 +2154,7 @@ void viper_state::machine_start()
m_maincpu->ppcdrc_set_options(PPCDRC_COMPATIBLE_OPTIONS);
/* configure fast RAM regions for DRC */
m_maincpu->ppcdrc_add_fastram(0x00000000, 0x00ffffff, FALSE, workram);
m_maincpu->ppcdrc_add_fastram(0x00000000, 0x00ffffff, FALSE, m_workram);
ds2430_rom = (UINT8*)memregion("ds2430")->base();
}