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(MESS) c64: Cleanup. (nw)

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This commit is contained in:
Curt Coder 2013-09-20 16:27:08 +00:00
parent bfa4567628
commit df559d1ea4
30 changed files with 65 additions and 58 deletions
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2
src/mess/machine/c64/cpm.c
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@ -184,7 +184,7 @@ void c64_cpm_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UIN
// c64_game_r - GAME read
//-------------------------------------------------
int c64_cpm_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_cpm_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
if (m_ba != ba)
{

2
src/mess/machine/c64/cpm.h
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@ -47,7 +47,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
private:
inline void update_signals();

4
src/mess/machine/c64/easyflash.c
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@ -212,7 +212,7 @@ void c64_easyflash_cartridge_device::c64_cd_w(address_space &space, offs_t offse
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_easyflash_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_easyflash_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return !BIT(m_mode, 1);
}
@ -222,7 +222,7 @@ int c64_easyflash_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba
// c64_game_r - GAME read
//-------------------------------------------------
int c64_easyflash_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_easyflash_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return !(BIT(m_mode, 0) | !(BIT(m_mode, 2) | m_jp1->read()));
}

4
src/mess/machine/c64/easyflash.h
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@ -44,8 +44,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<amd_29f040_device> m_flash_roml;

4
src/mess/machine/c64/exos.c
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@ -62,7 +62,7 @@ UINT8 c64_exos_cartridge_device::c64_cd_r(address_space &space, offs_t offset, U
// c64_game_r - GAME read
//-------------------------------------------------
int c64_exos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_exos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return !(ba & rw & ((offset & 0xe000) == 0xe000) & hiram);
return !(ba & rw & ((offset & 0xe000) == 0xe000) & m_slot->hiram());
}

2
src/mess/machine/c64/exos.h
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@ -37,7 +37,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
};

8
src/mess/machine/c64/exp.c
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@ -351,9 +351,11 @@ int c64_expansion_slot_device::game_r(offs_t offset, int sphi2, int ba, int rw,
{
int state = 1;
m_hiram = hiram;
if (m_card != NULL)
{
state = m_card->c64_game_r(offset, sphi2, ba, rw, hiram);
state = m_card->c64_game_r(offset, sphi2, ba, rw);
}
return state;
@ -368,9 +370,11 @@ int c64_expansion_slot_device::exrom_r(offs_t offset, int sphi2, int ba, int rw,
{
int state = 1;
m_hiram = hiram;
if (m_card != NULL)
{
state = m_card->c64_exrom_r(offset, sphi2, ba, rw, hiram);
state = m_card->c64_exrom_r(offset, sphi2, ba, rw);
}
return state;

7
src/mess/machine/c64/exp.h
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@ -115,6 +115,7 @@ public:
DECLARE_WRITE_LINE_MEMBER( reset_w ) { m_write_reset(state); }
int phi2() { return clock(); }
int dotclock() { return phi2() * 8; }
int hiram() { return m_hiram; }
protected:
// device-level overrides
@ -148,6 +149,8 @@ protected:
devcb2_write_line m_write_reset;
device_c64_expansion_card_interface *m_card;
int m_hiram;
};
@ -172,8 +175,8 @@ protected:
// runtime
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { return data; };
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { };
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return m_game; }
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return m_exrom; }
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) { return m_game; }
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) { return m_exrom; }
c64_expansion_slot_device *m_slot;

4
src/mess/machine/c64/ide64.c
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@ -341,7 +341,7 @@ void c64_ide64_cartridge_device::c64_cd_w(address_space &space, offs_t offset, U
// c64_game_r - GAME read
//-------------------------------------------------
int c64_ide64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_ide64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return (sphi2 && ba) ? m_game : 1;
}
@ -351,7 +351,7 @@ int c64_ide64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_ide64_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_ide64_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return (sphi2 && ba) ? m_exrom : 1;
}

4
src/mess/machine/c64/ide64.h
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@ -47,8 +47,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<atmel_29c010_device> m_flash_rom;

4
src/mess/machine/c64/ieee488.c
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@ -252,7 +252,7 @@ void c64_ieee488_device::c64_cd_w(address_space &space, offs_t offset, UINT8 dat
// c64_game_r - GAME read
//-------------------------------------------------
int c64_ieee488_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_ieee488_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->game_r(offset, sphi2, ba, rw, hiram);
return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram());
}

2
src/mess/machine/c64/ieee488.h
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@ -51,7 +51,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<tpi6525_device> m_tpi;

2
src/mess/machine/c64/kingsoft.c
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@ -93,7 +93,7 @@ void c64_kingsoft_cartridge_device::c64_cd_w(address_space &space, offs_t offset
// c64_game_r - GAME read
//-------------------------------------------------
int c64_kingsoft_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_kingsoft_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exrom & !(ba & rw & ((offset >= 0x8000 && offset < 0xc000) || (offset >= 0xe000)));
}

2
src/mess/machine/c64/kingsoft.h
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@ -39,7 +39,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
};

2
src/mess/machine/c64/magic_formel.c
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@ -274,7 +274,7 @@ void c64_magic_formel_cartridge_device::c64_cd_w(address_space &space, offs_t of
// c64_game_r - GAME read
//-------------------------------------------------
int c64_magic_formel_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_magic_formel_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return !(ba & rw & ((offset & 0xe000) == 0xe000) & !(m_pb7 & m_cb2_ff));
}

2
src/mess/machine/c64/magic_formel.h
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@ -51,7 +51,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<pia6821_device> m_pia;

2
src/mess/machine/c64/magic_voice.c
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@ -359,7 +359,7 @@ void c64_magic_voice_cartridge_device::c64_cd_w(address_space &space, offs_t off
// c64_game_r - GAME read
//-------------------------------------------------
int c64_magic_voice_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_magic_voice_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return !((m_tpi_pc6 && sphi2) || (!m_tpi_pc6 && sphi2 && !PB5 && A12 && A13 && !A14));
}

2
src/mess/machine/c64/magic_voice.h
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@ -58,7 +58,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
private:
offs_t get_offset(offs_t offset);

8
src/mess/machine/c64/music64.c
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@ -223,9 +223,9 @@ void c64_music64_cartridge_device::c64_cd_w(address_space &space, offs_t offset,
// c64_game_r - GAME read
//-------------------------------------------------
int c64_music64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_music64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->game_r(offset, sphi2, ba, rw, hiram);
return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram());
}
@ -233,7 +233,7 @@ int c64_music64_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, i
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_music64_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_music64_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->exrom_r(offset, sphi2, ba, rw, hiram);
return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->hiram());
}

4
src/mess/machine/c64/music64.h
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@ -42,8 +42,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<c64_expansion_slot_device> m_exp;

8
src/mess/machine/c64/sfx_sound_expander.c
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@ -271,9 +271,9 @@ void c64_sfx_sound_expander_cartridge_device::c64_cd_w(address_space &space, off
// c64_game_r - GAME read
//-------------------------------------------------
int c64_sfx_sound_expander_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_sfx_sound_expander_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->game_r(get_offset(offset, rw), sphi2, ba, rw, hiram);
return m_exp->game_r(get_offset(offset, rw), sphi2, ba, rw, m_slot->hiram());
}
@ -281,7 +281,7 @@ int c64_sfx_sound_expander_cartridge_device::c64_game_r(offs_t offset, int sphi2
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_sfx_sound_expander_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_sfx_sound_expander_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->exrom_r(get_offset(offset, rw), sphi2, ba, rw, hiram);
return m_exp->exrom_r(get_offset(offset, rw), sphi2, ba, rw, m_slot->hiram());
}

4
src/mess/machine/c64/sfx_sound_expander.h
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@ -45,8 +45,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<ym3526_device> m_opl;

6
src/mess/machine/c64/stardos.c
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@ -179,9 +179,9 @@ void c64_stardos_cartridge_device::c64_cd_w(address_space &space, offs_t offset,
// c64_game_r - GAME read
//-------------------------------------------------
int c64_stardos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_stardos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return !(sphi2 && ba & rw & ((offset & 0xe000) == 0xe000) & hiram);
return !(sphi2 && ba & rw & ((offset & 0xe000) == 0xe000) & m_slot->hiram());
}
@ -189,7 +189,7 @@ int c64_stardos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, i
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_stardos_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_stardos_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return (BIT(offset, 13)) ? 1 : m_exrom;
}

4
src/mess/machine/c64/stardos.h
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@ -42,8 +42,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
inline void charge_io1_capacitor();

8
src/mess/machine/c64/supercpu.c
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@ -291,9 +291,9 @@ void c64_supercpu_device::c64_cd_w(address_space &space, offs_t offset, UINT8 da
// c64_game_r - GAME read
//-------------------------------------------------
int c64_supercpu_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_supercpu_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->game_r(offset, sphi2, ba, rw, hiram);
return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram());
}
@ -301,7 +301,7 @@ int c64_supercpu_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, in
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_supercpu_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_supercpu_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->exrom_r(offset, sphi2, ba, rw, hiram);
return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->hiram());
}

4
src/mess/machine/c64/supercpu.h
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@ -44,8 +44,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<legacy_cpu_device> m_maincpu;

8
src/mess/machine/c64/tdos.c
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@ -176,9 +176,9 @@ void c64_tdos_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UI
// c64_game_r - GAME read
//-------------------------------------------------
int c64_tdos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_tdos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->game_r(offset, sphi2, ba, rw, hiram);
return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram());
}
@ -186,7 +186,7 @@ int c64_tdos_cartridge_device::c64_game_r(offs_t offset, int sphi2, int ba, int
// c64_exrom_r - EXROM read
//-------------------------------------------------
int c64_tdos_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram)
int c64_tdos_cartridge_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw)
{
return m_exp->exrom_r(offset, sphi2, ba, rw, hiram);
return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->hiram());
}

4
src/mess/machine/c64/tdos.h
View File

@ -42,8 +42,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw);
private:
required_device<mc6852_device> m_ssda;

2
src/mess/machine/c64/vw64.h
View File

@ -39,7 +39,7 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return 0; }
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) { return 0; }
private:
emu_timer *m_game_timer;

4
src/mess/machine/c64/xl80.h
View File

@ -47,8 +47,8 @@ protected:
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return 1; }
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram) { return 0; }
virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) { return 1; }
virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) { return 0; }
private:
required_device<h46505_device> m_crtc;