Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-02 16:49:22 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

temporary workaround for running gamate in automated tests

Browse Source 
(= no cart inserted) without crashing the emulator. nw.
This commit is contained in:
etabeta78 2015-01-26 10:22:43 +01:00
parent 8bd63c8f81
commit 8d291a7aa9
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/mess/drivers/gamate.c
View File

@ -85,6 +85,7 @@ private:
emu_timer *timer1;
emu_timer *timer2;
UINT8 bank_multi;
UINT8 *m_cart_ptr;
};
WRITE8_MEMBER( gamate_state::gamate_cart_protection_w )
@ -96,7 +97,7 @@ WRITE8_MEMBER( gamate_state::gamate_cart_protection_w )
card_protection.failed= card_protection.failed || ((card_protection.cartridge_byte&0x80)!=0) != ((data&4)!=0);
card_protection.bit_shifter++;
if (card_protection.bit_shifter>=8) {
card_protection.cartridge_byte=m_cart->get_rom_base()[card_protection.address++];
card_protection.cartridge_byte=m_cart_ptr[card_protection.address++];
card_protection.bit_shifter=0;
}
break;
@ -107,7 +108,7 @@ READ8_MEMBER( gamate_state::gamate_cart_protection_r )
UINT8 ret=1;
if (card_protection.bit_shifter==7 && card_protection.unprotected) {
ret=m_cart->get_rom_base()[bank_multi*0x4000];
ret=m_cart_ptr[bank_multi*0x4000];
} else {
card_protection.bit_shifter++;
if (card_protection.bit_shifter==8) {
@ -132,7 +133,7 @@ WRITE8_MEMBER( gamate_state::protection_reset )
// writes 0x20
card_protection.address=0x6005-0x6001;
card_protection.bit_shifter=0;
card_protection.cartridge_byte=m_cart->get_rom_base()[card_protection.address++];//m_cart_rom[card_protection.address++];
card_protection.cartridge_byte=m_cart_ptr[card_protection.address++];//m_cart_rom[card_protection.address++];
card_protection.failed=false;
card_protection.unprotected=false;
}
@ -172,12 +173,12 @@ WRITE8_MEMBER( gamate_state::gamate_video_w )
WRITE8_MEMBER( gamate_state::cart_bankswitchmulti_w )
{
bank_multi=data;
membank("bankmulti")->set_base(m_cart->get_rom_base()+0x4000*data+1);
membank("bankmulti")->set_base(m_cart_ptr+0x4000*data+1);
}
WRITE8_MEMBER( gamate_state::cart_bankswitch_w )
{
membank("bank")->set_base(m_cart->get_rom_base()+0x4000*data);
membank("bank")->set_base(m_cart_ptr+0x4000*data);
}
READ8_MEMBER( gamate_state::gamate_video_r )
@ -329,8 +330,10 @@ DRIVER_INIT_MEMBER(gamate_state,gamate)
void gamate_state::machine_start()
{
m_cart_ptr = memregion("maincpu")->base() + 0x6000;
if (m_cart->exists()) {
// m_maincpu->space(AS_PROGRAM).install_read_handler(0x6000, 0x6000, READ8_DELEGATE(gamate_state, gamate_cart_protection_r));
m_cart_ptr = m_cart->get_rom_base();
membank("bankmulti")->set_base(m_cart->get_rom_base()+1);
membank("bank")->set_base(m_cart->get_rom_base()+0x4000); // bankswitched games in reality no offset
}