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(MESS) megadriv.c: added support for reset-base Codemaster 2-in-1 cart and documented even more carts. nw.

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This commit is contained in:
Fabio Priuli 2013-03-18 12:49:02 +00:00
parent cd29176897
commit 7923655446
6 changed files with 830 additions and 275 deletions
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1044
hash/megadriv.xml
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File diff suppressed because it is too large Load Diff

2
src/mess/drivers/megadriv.c
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@ -322,6 +322,8 @@ static SLOT_INTERFACE_START(md_cart)
SLOT_INTERFACE_INTERNAL("rom_mm96", MD_SEPROM_MM96)
// STM95 EEPROM
SLOT_INTERFACE_INTERNAL("rom_stm95", MD_EEPROM_STM95)
// CodeMasters 2-in-1 (reset based)
SLOT_INTERFACE_INTERNAL("rom_cm2in1", MD_ROM_CM2IN1)
// unique bankswitch
SLOT_INTERFACE_INTERNAL("rom_ssf2", MD_ROM_SSF2)
SLOT_INTERFACE_INTERNAL("rom_radica", MD_ROM_RADICA)

35
src/mess/machine/md_rom.c
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@ -23,6 +23,9 @@ const device_type MD_STD_ROM = &device_creator<md_std_rom_device>;
const device_type MD_ROM_SRAM = &device_creator<md_rom_sram_device>;
const device_type MD_ROM_FRAM = &device_creator<md_rom_fram_device>;
// BASE CARTS + BANKSWITCH AT RESET
const device_type MD_ROM_CM2IN1 = &device_creator<md_rom_cm2in1_device>;
// BASE CARTS + PROTECTION / BANKSWITCH
const device_type MD_ROM_SSF2 = &device_creator<md_rom_ssf2_device>;
const device_type MD_ROM_BUGSLIFE = &device_creator<md_rom_bugslife_device>;
@ -80,6 +83,11 @@ md_rom_ssf2_device::md_rom_ssf2_device(const machine_config &mconfig, const char
{
}
md_rom_cm2in1_device::md_rom_cm2in1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: md_std_rom_device(mconfig, MD_ROM_CM2IN1, "MD Codemasters 2in1", tag, owner, clock)
{
}
md_rom_mcpirate_device::md_rom_mcpirate_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: md_std_rom_device(mconfig, MD_ROM_MCPIR, "MD Pirate Multicarts (Various)", tag, owner, clock)
{
@ -229,6 +237,18 @@ void md_rom_ssf2_device::device_reset()
m_lastdata = -1;
}
void md_rom_cm2in1_device::device_start()
{
m_base = -1;
save_item(NAME(m_base));
}
void md_rom_cm2in1_device::device_reset()
{
m_base++;
m_base &= 1;
}
void md_rom_mcpirate_device::device_start()
{
save_item(NAME(m_bank));
@ -485,6 +505,21 @@ WRITE16_MEMBER(md_rom_ssf2_device::write_a13)
}
}
/*-------------------------------------------------
CODEMASTERS 2 IN 1 (RESET BASED)
-------------------------------------------------*/
#define MD_ADDR_CM2IN1(a) (m_base == 0 ? ((a << 1) & 0x1fffff)/2 : (((a << 1) & 0x7ffff) + 0x200000)/2)
READ16_MEMBER(md_rom_cm2in1_device::read)
{
if (offset < 0x400000/2)
return m_rom[MD_ADDR_CM2IN1(offset)];
else
return 0xffff;
}
/*-------------------------------------------------
PIRATE MULTICARTS
-------------------------------------------------*/

22
src/mess/machine/md_rom.h
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@ -83,6 +83,27 @@ private:
int m_lastoff, m_lastdata;
};
// ======================> md_rom_cm2in1_device
class md_rom_cm2in1_device : public md_std_rom_device
{
public:
// construction/destruction
md_rom_cm2in1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete() { m_shortname = "md_rom_cm2in1"; }
// reading and writing
virtual DECLARE_READ16_MEMBER(read);
private:
int m_base;
};
// ======================> md_rom_mcpirate_device
class md_rom_mcpirate_device : public md_std_rom_device
@ -559,6 +580,7 @@ private:
extern const device_type MD_STD_ROM;
extern const device_type MD_ROM_SRAM;
extern const device_type MD_ROM_FRAM;
extern const device_type MD_ROM_CM2IN1;
extern const device_type MD_ROM_BUGSLIFE;
extern const device_type MD_ROM_CHINF3;
extern const device_type MD_ROM_ELFWOR;

1
src/mess/machine/md_slot.c
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@ -253,6 +253,7 @@ static const md_slot slot_list[] =
{ PSOLAR, "rom_stm95"},
{ SSF2, "rom_ssf2" },
{ CM_2IN1, "rom_cm2in1" },
{ RADICA, "rom_radica" },
// { GAME_KANDUME, "rom_gkand" }, // what's needed by this?

1
src/mess/machine/md_slot.h
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@ -42,6 +42,7 @@ enum
// Various
SSF2, /* Super Street Fighter 2 */
CM_2IN1, /* CodeMasters 2in1 : Psycho Pinball + Micro Machines */
GAME_KANDUME, /* Game no Kandume Otokuyou */
RADICA, /* Radica TV games.. these probably should be a separate driver since they are a separate 'console' */