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Itautec I-7000: map loaded cartridge to program space at range 0x4000-0xbfff

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This commit is contained in:
Felipe Corrêa da Silva Sanches 2015-06-10 11:42:25 -03:00
parent a68161ee27
commit f808bcec7b
1 changed files with 17 additions and 3 deletions
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20
src/mess/drivers/i7000.c
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@ -51,12 +51,15 @@ class i7000_state : public driver_device
public: public:
i7000_state(const machine_config &mconfig, device_type type, const char *tag) i7000_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"),
m_card(*this, "cardslot"), m_card(*this, "cardslot"),
m_videoram(*this, "videoram") m_videoram(*this, "videoram")
{ } { }
virtual void video_start(); void video_start();
void machine_start();
required_device<cpu_device> m_maincpu;
required_device<generic_slot_device> m_card; required_device<generic_slot_device> m_card;
required_shared_ptr<UINT8> m_videoram; required_shared_ptr<UINT8> m_videoram;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@ -74,6 +77,17 @@ DRIVER_INIT_MEMBER(i7000_state, i7000)
{ {
} }
void i7000_state::machine_start()
{
address_space &program = m_maincpu->space(AS_PROGRAM);
if (m_card->exists())
{
// 0x4000 - 0xbfff 32KB ROM
program.install_read_handler(0x4000, 0xbfff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_card));
}
}
PALETTE_INIT_MEMBER(i7000_state, i7000) PALETTE_INIT_MEMBER(i7000_state, i7000)
{ {
palette.set_pen_color(0, rgb_t(0x33, 0x33, 0x33)); palette.set_pen_color(0, rgb_t(0x33, 0x33, 0x33));
@ -115,8 +129,8 @@ UINT32 i7000_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, c
static ADDRESS_MAP_START(i7000_mem, AS_PROGRAM, 8, i7000_state) static ADDRESS_MAP_START(i7000_mem, AS_PROGRAM, 8, i7000_state)
AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("maincpu", 0) AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x1000, 0x1fff) AM_RAM AM_RANGE(0x1000, 0x1fff) AM_RAM
AM_RANGE(0x2000, 0xffff) AM_RAM AM_SHARE("videoram") AM_RANGE(0x2000, 0x3fff) AM_RAM AM_SHARE("videoram")
// AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("cardslot", 0) // AM_RANGE(0x4000, 0xbfff) AM_ROM AM_REGION("cardslot", 0)
ADDRESS_MAP_END ADDRESS_MAP_END
/* /*