// license:BSD-3-Clause // copyright-holders:Manuel Abadia, Mike Coates, Nicola Salmoria, Miguel Angel Horna /*************************************************************************** World Rally Functions to emulate general aspects of the machine (RAM, ROM, interrupts, I/O ports) ***************************************************************************/ #include "emu.h" #include "cpu/mcs51/mcs51.h" #include "includes/gaelcrpt.h" #include "includes/wrally.h" /*************************************************************************** World Rally memory handlers ***************************************************************************/ WRITE16_MEMBER(wrally_state::vram_w) { data = gaelco_decrypt(space, offset, data, 0x1f, 0x522a); COMBINE_DATA(&m_videoram[offset]); m_pant[(offset & 0x1fff) >> 12]->mark_tile_dirty(((offset << 1) & 0x1fff) >> 2); } WRITE16_MEMBER(wrally_state::flipscreen_w) { flip_screen_set(data & 0x01); } WRITE16_MEMBER(wrally_state::okim6295_bankswitch_w) { UINT8 *RAM = memregion("oki")->base(); if (ACCESSING_BITS_0_7){ memcpy(&RAM[0x30000], &RAM[0x40000 + (data & 0x0f)*0x10000], 0x10000); } } WRITE16_MEMBER(wrally_state::wrally_coin_counter_w) { coin_counter_w( machine(), (offset >> 3) & 0x01, data & 0x01); } WRITE16_MEMBER(wrally_state::wrally_coin_lockout_w) { coin_lockout_w( machine(), (offset >> 3) & 0x01, ~data & 0x01); }