Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 00:39:36 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

machine/playch10.cpp: Properly clear IRQs for MMC3 boards. (#9224)

Browse Source 
- Removed WRAM from PinBot, there's none on its PCB.
This commit is contained in:
0kmg 2022-01-28 09:34:32 -09:00 committed by GitHub
parent 10a3d7c1c6
commit 4a4e4c22cf
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/mame/includes/playch10.h
View File

@ -94,8 +94,8 @@ private:
void cboard_vrom_switch_w(uint8_t data);
void eboard_rom_switch_w(offs_t offset, uint8_t data);
void gboard_rom_switch_w(offs_t offset, uint8_t data);
void iboard_rom_switch_w(uint8_t data);
void hboard_rom_switch_w(offs_t offset, uint8_t data);
void iboard_rom_switch_w(uint8_t data);
void playch10_videoram_w(offs_t offset, uint8_t data);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
@ -180,8 +180,6 @@ private:
int m_mmc1_shiftreg;
int m_mmc1_shiftcount;
int m_mmc1_rom_mask;
int m_gboard_scanline_counter;
int m_gboard_scanline_latch;
int m_gboard_banks[2];
int m_gboard_4screen;
int m_gboard_last_bank;

14
src/mame/machine/playch10.cpp
View File

@ -823,7 +823,7 @@ void playch10_state::gboard_scanline_cb( int scanline, int vblank, int blanked )
if (m_IRQ_enable && !blanked && (m_IRQ_count == 0) && priorCount) // according to blargg the latter should be present as well, but it breaks Rampart and Joe & Mac US: they probably use the alt irq!
{
m_cartcpu->set_input_line(0, HOLD_LINE);
m_cartcpu->set_input_line(0, ASSERT_LINE);
}
}
}
@ -953,6 +953,7 @@ void playch10_state::gboard_rom_switch_w(offs_t offset, uint8_t data)
case 0x6000: /* disable irqs */
m_IRQ_enable = 0;
m_cartcpu->set_input_line(0, CLEAR_LINE);
break;
case 0x6001: /* enable irqs */
@ -981,8 +982,6 @@ void playch10_state::init_pcgboard()
m_gboard_banks[0] = 0x1e;
m_gboard_banks[1] = 0x1f;
m_gboard_scanline_counter = 0;
m_gboard_scanline_latch = 0;
m_gboard_4screen = 0;
m_IRQ_enable = 0;
m_IRQ_count = m_IRQ_count_latch = 0;
@ -1098,17 +1097,12 @@ void playch10_state::init_pchboard()
/* Roms are banked at $8000 to $bfff */
m_cartcpu->space(AS_PROGRAM).install_write_handler(0x8000, 0xffff, write8sm_delegate(*this, FUNC(playch10_state::hboard_rom_switch_w)));
/* extra ram at $6000-$7fff */
m_extra_ram = std::make_unique<uint8_t[]>(0x2000);
save_pointer(NAME(m_extra_ram), 0x2000);
m_cartcpu->space(AS_PROGRAM).install_ram(0x6000, 0x7fff, m_extra_ram.get());
m_gboard_banks[0] = 0x1e;
m_gboard_banks[1] = 0x1f;
m_gboard_scanline_counter = 0;
m_gboard_scanline_latch = 0;
m_gboard_last_bank = 0xff;
m_gboard_command = 0;
m_IRQ_enable = 0;
m_IRQ_count = m_IRQ_count_latch = 0;
/* common init */
init_playch10();