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(MESS) ngp.c: Made the drivers a bit more user friendly. (nw)

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This commit is contained in:
Wilbert Pol 2013-03-08 19:35:45 +00:00
parent 7f9d6975d9
commit 07e1fde74e
2 changed files with 42 additions and 3 deletions
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4
src/emu/cpu/tlcs900/tlcs900.c
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@ -1148,6 +1148,10 @@ static CPU_SET_INFO( tlcs900 )
switch ( state )
{
case CPUINFO_INT_PC:
case CPUINFO_INT_REGISTER + TLCS900_PC:
cpustate->pc.d = info->i; break;
case CPUINFO_INT_INPUT_STATE + INPUT_LINE_NMI:
case CPUINFO_INT_INPUT_STATE + TLCS900_NMI:
case CPUINFO_INT_INPUT_STATE + TLCS900_INTWD:

41
src/mess/drivers/ngp.c
View File

@ -118,16 +118,18 @@ enum flash_state
};
class ngp_state : public driver_device
class ngp_state : public driver_device, public device_nvram_interface
{
public:
ngp_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, device_nvram_interface(mconfig, *this)
, m_tlcs900( *this, "maincpu" )
, m_z80( *this, "soundcpu" )
, m_t6w28( *this, "t6w28" )
, m_dac_l( *this, "dac_l" )
, m_dac_r( *this, "dac_r" )
, m_mainram( *this, "mainram" )
{
m_flash_chip[0].present = 0;
m_flash_chip[0].state = F_READ;
@ -136,6 +138,8 @@ public:
m_flash_chip[1].present = 0;
m_flash_chip[1].state = F_READ;
m_flash_chip[1].data = NULL;
m_nvram_loaded = false;
}
virtual void machine_start();
@ -160,6 +164,7 @@ public:
required_device<t6w28_device> m_t6w28;
required_device<dac_device> m_dac_l;
required_device<dac_device> m_dac_r;
required_shared_ptr<UINT8> m_mainram;
device_t *m_k1ge;
DECLARE_READ8_MEMBER( ngp_io_r );
@ -184,6 +189,13 @@ public:
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( ngp_cart);
DECLARE_DEVICE_IMAGE_UNLOAD_MEMBER( ngp_cart );
protected:
bool m_nvram_loaded;
virtual void nvram_default();
virtual void nvram_read(emu_file &file);
virtual void nvram_write(emu_file &file);
};
@ -521,9 +533,9 @@ WRITE8_MEMBER( ngp_state::flash1_w )
static ADDRESS_MAP_START( ngp_mem, AS_PROGRAM, 8, ngp_state )
AM_RANGE( 0x000080, 0x0000bf ) AM_READWRITE(ngp_io_r, ngp_io_w) /* ngp/c specific i/o */
AM_RANGE( 0x004000, 0x006fff ) AM_RAM /* work ram */
AM_RANGE( 0x004000, 0x006fff ) AM_RAM AM_SHARE("mainram") /* work ram */
AM_RANGE( 0x007000, 0x007fff ) AM_RAM AM_SHARE("share1") /* shared with sound cpu */
AM_RANGE( 0x008000, 0x0087ff ) AM_DEVREADWRITE_LEGACY("k1ge", k1ge_r, k1ge_w) /* video registers */
AM_RANGE( 0x008000, 0x0087ff ) AM_DEVREADWRITE_LEGACY("k1ge", k1ge_r, k1ge_w) /* video registers */
AM_RANGE( 0x008800, 0x00bfff ) AM_RAM AM_REGION("vram", 0x800 ) /* Video RAM area */
AM_RANGE( 0x200000, 0x3fffff ) AM_ROM AM_WRITE(flash0_w) AM_REGION("cart", 0) /* cart area #1 */
AM_RANGE( 0x800000, 0x9fffff ) AM_ROM AM_WRITE(flash1_w) AM_REGION("cart", 0x200000) /* cart area #2 */
@ -669,6 +681,11 @@ void ngp_state::machine_reset()
m_z80->suspend(SUSPEND_REASON_HALT, 1 );
m_z80->set_input_line(0, CLEAR_LINE );
if ( m_nvram_loaded )
{
m_tlcs900->set_state_int(TLCS900_PC, 0xFF1800);
}
}
@ -747,6 +764,24 @@ DEVICE_IMAGE_UNLOAD_MEMBER( ngp_state, ngp_cart )
}
void ngp_state::nvram_default()
{
}
void ngp_state::nvram_read(emu_file &file)
{
file.read(m_mainram, 0x3000);
m_nvram_loaded = true;
}
void ngp_state::nvram_write(emu_file &file)
{
file.write(m_mainram, 0x3000);
}
static const k1ge_interface ngp_k1ge_interface =
{
"screen",