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Minor changes to fortecar.c

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This commit is contained in:
Angelo Salese 2011-12-17 13:57:10 +00:00
parent 72fcf4d23e
commit c2a9b4f234
1 changed files with 16 additions and 13 deletions
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29
src/mame/drivers/fortecar.c
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@ -5,12 +5,13 @@
Driver by Angelo Salese.
Additional work by Roberto Fresca & Rob Ragon.
Notes:
- NMI mask and vblank bit are made thru SW usage of the I register (that is unused
if the z80 is in IM 1).
TODO:
- Improve serial EEPROM support.
- RTC needs its own core.
- Inputs
English set: bp 512 do pc=53e
@ -149,17 +150,14 @@ class fortecar_state : public driver_device
{
public:
fortecar_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu")
{ }
UINT8 *m_vram;
size_t m_vram_size;
/* calendar */
UINT8 m_cal_val;
UINT8 m_cal_mask;
UINT8 m_cal_com;
UINT8 m_cal_cnt;
system_time m_systime;
required_device<cpu_device> m_maincpu;
};
@ -390,7 +388,7 @@ static ADDRESS_MAP_START( fortecar_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0xbfff) AM_ROM
AM_RANGE(0xc000, 0xc7ff) AM_ROM
AM_RANGE(0xd000, 0xd7ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0xd800, 0xffff) AM_RAM AM_BASE_MEMBER(fortecar_state, m_vram)
AM_RANGE(0xd800, 0xffff) AM_RAM AM_BASE_SIZE_MEMBER(fortecar_state, m_vram,m_vram_size)
ADDRESS_MAP_END
static ADDRESS_MAP_START( fortecar_ports, AS_IO, 8 )
@ -513,8 +511,12 @@ GFXDECODE_END
static MACHINE_RESET(fortecar)
{
// fortecar_state *state = machine.driver_data<fortecar_state>();
fortecar_state *state = machine.driver_data<fortecar_state>();
int i;
/* apparently there's a random fill in there (checked thru trojan TODO: extract proper algorythm) */
for(i=0;i<state->m_vram_size;i++)
state->m_vram[i] = machine.rand();
}
@ -605,6 +607,7 @@ ROM_END
static DRIVER_INIT( fortecar )
{
// ...
}