/*************************************************************************** Konami IC 056230 (LANC) ***************************************************************************/ #include "emu.h" #include "k056230.h" #include "devhelpr.h" //************************************************************************** // LIVE DEVICE //************************************************************************** // device type definition const device_type K056230 = &device_creator; //------------------------------------------------- // k056230_device - constructor //------------------------------------------------- k056230_device::k056230_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, K056230, "Konami 056230", tag, owner, clock) { } //------------------------------------------------- // device_config_complete - perform any // operations now that the configuration is // complete //------------------------------------------------- void k056230_device::device_config_complete() { // inherit a copy of the static data const k056230_interface *intf = reinterpret_cast(static_config()); if (intf != NULL) { *static_cast(this) = *intf; } // or initialize to defaults if none provided else { m_cpu_tag = NULL; m_is_thunderh = false; } } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void k056230_device::device_start() { if(m_cpu_tag) { m_cpu = machine().device(m_cpu_tag); } else { m_cpu = NULL; } m_ram = auto_alloc_array(machine(), UINT32, 0x2000); save_pointer(NAME(m_ram), 0x2000); } READ8_DEVICE_HANDLER_TRAMPOLINE(k056230, k056230_r) { switch (offset) { case 0: // Status register { return 0x08; } } // mame_printf_debug("k056230_r: %d at %08X\n", offset, space->device().safe_pc()); return 0; } TIMER_CALLBACK( k056230_device::network_irq_clear_callback ) { reinterpret_cast(ptr)->network_irq_clear(); } void k056230_device::network_irq_clear() { if(m_cpu) { m_cpu->execute().set_input_line(INPUT_LINE_IRQ2, CLEAR_LINE); } } WRITE8_DEVICE_HANDLER_TRAMPOLINE(k056230, k056230_w) { switch(offset) { case 0: // Mode register { break; } case 1: // Control register { if(data & 0x20) { // Thunder Hurricane breaks otherwise... if(!m_is_thunderh) { if(m_cpu) { m_cpu->execute().set_input_line(INPUT_LINE_IRQ2, ASSERT_LINE); } machine().scheduler().timer_set(attotime::from_usec(10), FUNC(network_irq_clear_callback), 0, (void*)this); } } // else // k056230->cpu->execute().set_input_line(INPUT_LINE_IRQ2, CLEAR_LINE); break; } case 2: // Sub ID register { break; } } // mame_printf_debug("k056230_w: %d, %02X at %08X\n", offset, data, space->device().safe_pc()); } READ32_DEVICE_HANDLER_TRAMPOLINE(k056230, lanc_ram_r) { //mame_printf_debug("LANC_RAM_r: %08X, %08X at %08X\n", offset, mem_mask, space->device().safe_pc()); return m_ram[offset & 0x7ff]; } WRITE32_DEVICE_HANDLER_TRAMPOLINE(k056230, lanc_ram_w) { //mame_printf_debug("LANC_RAM_w: %08X, %08X, %08X at %08X\n", data, offset, mem_mask, space->device().safe_pc()); COMBINE_DATA(m_ram + (offset & 0x7ff)); }