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https://github.com/holub/mame
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machine/k056230: preliminary Konami Viper LANC superset
* Applies portions of PR #12546 * fixes gameplay hangs/crashes in gticlub2, xtrial, code1d, wcombat
This commit is contained in:
angelosa
parent
bc23190458
commit
93060d50e3
@ -1,6 +1,6 @@
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// license:BSD-3-Clause
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// copyright-holders:Fabio Priuli
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/***************************************************************************
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/**************************************************************************************************
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Konami IC 056230 (LANC)
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@ -12,9 +12,11 @@ Device Notes:
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-PAL(056787A) for zr107.cpp, gticlub.cpp and thunderh's I/O board
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-HYC2485S RS485 transceiver
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TODO: nearly everything
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TODO:
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- nearly everything, currently a wrapper to make games happy and don't fail POSTs
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- LANC part name for konami/viper.cpp
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***************************************************************************/
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**************************************************************************************************/
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#include "emu.h"
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@ -31,42 +33,51 @@ TODO: nearly everything
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#include "logmacro.h"
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DEFINE_DEVICE_TYPE(K056230, k056230_device, "k056230", "K056230 LANC")
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DEFINE_DEVICE_TYPE(K056230_VIPER, k056230_viper_device, "k056230_viper", "Konami Viper LANC")
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k056230_device::k056230_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: device_t(mconfig, K056230, tag, owner, clock)
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k056230_device::k056230_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
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: device_t(mconfig, type, tag, owner, clock)
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, m_ram(*this, "lanc_ram", 0x800U * 4, ENDIANNESS_BIG)
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, m_irq_cb(*this)
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{
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}
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k056230_device::k056230_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: k056230_device(mconfig, K056230, tag, owner, clock)
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{
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}
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void k056230_device::device_start()
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{
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m_irq_state = CLEAR_LINE;
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save_item(NAME(m_irq_state));
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save_item(NAME(m_status));
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}
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void k056230_device::device_reset()
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{
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m_irq_state = CLEAR_LINE;
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m_status = 0x08;
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}
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void k056230_device::regs_map(address_map &map)
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{
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map(0x00, 0x00).lrw8(
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NAME([this] (offs_t offset) {
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const u8 res = 0x08;
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LOGMASKED(LOG_REG_READS, "%s: regs_r: Status Register: %02x\n", machine().describe_context(), res);
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return res;
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LOGMASKED(LOG_REG_READS, "%s: Status Register read %02x\n", machine().describe_context(), m_status);
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return m_status;
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}),
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NAME([this] (offs_t offset, u8 data) {
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LOGMASKED(LOG_REG_WRITES, "%s: regs_w: Mode Register = %02x\n", machine().describe_context(), data);
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LOGMASKED(LOG_REG_WRITES, "%s: Mode Register read %02x\n", machine().describe_context(), data);
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})
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),
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map(0x01, 0x01).lrw8(
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NAME([this] (offs_t offset) {
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const u8 res = 0x00;
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LOGMASKED(LOG_REG_READS, "%s: regs_r: CRC Error Register: %02x\n", machine().describe_context(), res);
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LOGMASKED(LOG_REG_READS, "%s: CRC Error Register read %02x\n", machine().describe_context(), res);
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return res;
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}),
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NAME([this] (offs_t offset, u8 data) {
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LOGMASKED(LOG_REG_WRITES, "%s: regs_w: Control Register = %02x\n", machine().describe_context(), data);
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LOGMASKED(LOG_REG_WRITES, "%s: Control Register write %02x\n", machine().describe_context(), data);
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// TODO: This is a literal translation of the previous device behaviour, and is incorrect.
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// Namely it can't possibly ping irq state on the fly, needs some transaction from the receiver.
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const int old_state = m_irq_state;
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@ -107,3 +118,80 @@ void k056230_device::ram_w(offs_t offset, u32 data, u32 mem_mask)
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LOGMASKED(LOG_RAM_WRITES, "%s: Network RAM write [%04x (%03x)] = %08x & %08x\n", machine().describe_context(), offset << 2, (offset & 0x7ff) << 2, data, mem_mask);
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COMBINE_DATA(&lanc_ram[offset & 0x7ff]);
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}
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/****************************************
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*
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* konami/viper.cpp superset overrides
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*
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***************************************/
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k056230_viper_device::k056230_viper_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: k056230_device(mconfig, K056230_VIPER, tag, owner, clock)
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{
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}
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void k056230_viper_device::device_reset()
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{
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k056230_device::device_reset();
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m_control = 0;
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m_irq_enable = false;
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m_unk[0] = m_unk[1] = 0;
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}
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void k056230_viper_device::regs_map(address_map &map)
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{
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map(0x00, 0x00).lw8(
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NAME([this] (offs_t offset, u8 data) {
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LOGMASKED(LOG_REG_WRITES, "%s: network_id_w = %02x\n", machine().describe_context(), data);
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})
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);
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map(0x01, 0x01).lw8(
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NAME([this] (offs_t offset, u8 data) {
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// HACK: more irq bad juju
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if (!BIT(data, 0))
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{
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m_status = 0;
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m_irq_state = CLEAR_LINE;
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}
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else
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{
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if(m_irq_enable)
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m_irq_state = ASSERT_LINE;
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}
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if (BIT(data, 3))
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m_status = 0x10;
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m_irq_cb(m_irq_state);
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// TODO: is this readback-able?
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m_control = data;
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LOGMASKED(LOG_REG_WRITES, "%s: control_w: %02x\n", machine().describe_context(), m_control);
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})
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);
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map(0x02, 0x02).lr8(
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NAME([this] (offs_t offset) {
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LOGMASKED(LOG_REG_READS, "%s: status_r: %02x\n", machine().describe_context(), m_status);
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return m_status;
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})
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);
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// TODO: unknown regs
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map(0x03, 0x04).lrw8(
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NAME([this] (offs_t offset) {
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LOGMASKED(LOG_REG_READS, "%s: unk%d_r\n", machine().describe_context(), offset + 3, m_unk[offset]);
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return m_unk[offset];
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}),
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NAME([this] (offs_t offset, u8 data) {
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LOGMASKED(LOG_REG_WRITES, "%s: unk%d_w %02x\n", machine().describe_context(), offset + 3, m_unk[offset], data);
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m_unk[offset] = data;
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})
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);
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map(0x05, 0x05).lw8(
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NAME([this] (offs_t offset, u8 data) {
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// TODO: should sync if an irq is already there
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m_irq_enable = bool(BIT(data, 0));
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LOGMASKED(LOG_REG_WRITES, "%s: irq enable: %02x\n", machine().describe_context(), data);
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})
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);
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}
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@ -22,21 +22,42 @@ public:
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u32 ram_r(offs_t offset, u32 mem_mask = ~0);
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void ram_w(offs_t offset, u32 data, u32 mem_mask = ~0);
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void regs_map(address_map &map);
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virtual void regs_map(address_map &map);
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protected:
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k056230_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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memory_share_creator<u32> m_ram;
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devcb_write_line m_irq_cb;
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int m_irq_state;
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u8 m_ctrl_reg;
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int m_irq_state = 0;
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u8 m_ctrl_reg = 0;
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u8 m_status = 0;
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};
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class k056230_viper_device : public k056230_device
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{
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public:
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// construction/destruction
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k056230_viper_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
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virtual void regs_map(address_map &map) override;
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protected:
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virtual void device_reset() override;
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private:
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u8 m_control = 0;
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bool m_irq_enable = false;
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u8 m_unk[2]{};
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};
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// device type definition
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DECLARE_DEVICE_TYPE(K056230, k056230_device)
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DECLARE_DEVICE_TYPE(K056230_VIPER, k056230_viper_device)
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#endif // MAME_MACHINE_K056230_H
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@ -431,6 +431,7 @@ The golf club acts like a LED gun. PCB power input is 12V.
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#include "bus/ata/hdd.h"
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#include "machine/ds2430a.h"
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#include "machine/ins8250.h"
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#include "machine/k056230.h"
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#include "machine/lpci.h"
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#include "machine/timekpr.h"
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#include "machine/timer.h"
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@ -471,6 +472,7 @@ public:
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m_maincpu(*this, "maincpu"),
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m_screen(*this, "screen"),
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m_duart_com(*this, "duart_com"),
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m_lanc(*this, "lanc"),
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m_ata(*this, "ata"),
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m_lpci(*this, "pcibus"),
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m_ds2430(*this, "ds2430"),
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@ -537,6 +539,7 @@ private:
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uint16_t ppp_sensor_r(offs_t offset);
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void lanc_int(int state);
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void uart_int(int state);
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void voodoo_vblank(int state);
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@ -657,6 +660,7 @@ private:
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required_device<ppc_device> m_maincpu;
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required_device<screen_device> m_screen;
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required_device<pc16552_device> m_duart_com;
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required_device<k056230_device> m_lanc;
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required_device<ata_interface_device> m_ata;
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required_device<pci_bus_legacy_device> m_lpci;
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required_device<ds2430a_device> m_ds2430;
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@ -1863,8 +1867,8 @@ void viper_state::viper_map(address_map &map)
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map(0xffe78000, 0xffe78000).rw(FUNC(viper_state::ds2430_ext_r), FUNC(viper_state::ds2430_ext_w));
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map(0xffe80000, 0xffe80007).w(FUNC(viper_state::unk1a_w));
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map(0xffe88000, 0xffe88007).w(FUNC(viper_state::unk1b_w));
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map(0xffe98000, 0xffe98007).noprw(); // network?
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map(0xffe9a000, 0xffe9bfff).ram(); // wcombat uses this
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map(0xffe98000, 0xffe98007).m(m_lanc, FUNC(k056230_viper_device::regs_map));
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map(0xffe9a000, 0xffe9bfff).rw(m_lanc, FUNC(k056230_viper_device::ram_r), FUNC(k056230_viper_device::ram_w));
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map(0xffea0000, 0xffea0007).lr8(
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NAME([this] (offs_t offset) {
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const u8 res = m_gun_input[offset >> 1]->read() >> ((offset & 1) ? 0 : 8);
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@ -2444,6 +2448,12 @@ INPUT_PORTS_END
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/*****************************************************************************/
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void viper_state::lanc_int(int state)
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{
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if (state)
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mpc8240_interrupt(MPC8240_IRQ1);
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}
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void viper_state::uart_int(int state)
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{
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if (state)
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@ -2589,6 +2599,9 @@ void viper_state::viper(machine_config &config)
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NS16550(config, "duart_com:chan0", XTAL(19'660'800));
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NS16550(config, "duart_com:chan1", XTAL(19'660'800)).out_int_callback().set(FUNC(viper_state::uart_int));
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K056230_VIPER(config, m_lanc);
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m_lanc->irq_cb().set(FUNC(viper_state::lanc_int));
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VOODOO_3(config, m_voodoo, voodoo_3_device::NOMINAL_CLOCK);
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m_voodoo->set_fbmem(8); // TODO: should be 16, implement VMI_DATA_5 strapping pin in Voodoo 3 core instead
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m_voodoo->set_screen("screen");
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