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-rw-r--r--src/devices/machine/ps2mc.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/devices/machine/ps2mc.h b/src/devices/machine/ps2mc.h
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+++ b/src/devices/machine/ps2mc.h
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+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/******************************************************************************
+*
+* Sony PlayStation 2 memory card device skeleton
+*
+* To Do:
+* Everything
+*
+*/
+
+#ifndef DEVICES_MACHINE_PS2MC_H
+#define DEVICES_MACHINE_PS2MC_H
+
+#pragma once
+
+#include "emu.h"
+
+class ps2_mc_device : public device_t
+{
+public:
+ ps2_mc_device(const machine_config &mconfig, const char *tag, device_t *owner)
+ : ps2_mc_device(mconfig, tag, owner, (uint32_t)0)
+ {
+ }
+
+ ps2_mc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ void recv_fifo_push(uint8_t data); // TODO: Turn me into a bus interface!
+ uint8_t xmit_fifo_pop();
+ uint8_t xmit_fifo_depth() const { return m_end_xmit - m_curr_xmit; }
+ void process_fifos();
+
+ uint8_t status() const { return m_status; }
+
+ static const uint8_t SIO_DEVICE_ID = 0x81;
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ void xmit_fifo_push(uint8_t data);
+ uint8_t recv_fifo_pop();
+ uint8_t recv_fifo_depth() const { return m_end_recv - m_curr_recv; }
+ void process_command(uint8_t data);
+
+ void cmd_init();
+ void cmd_get_term();
+
+ enum : uint8_t
+ {
+ CMD_INIT = 0x11,
+ CMD_GET_TERM = 0x28,
+ CMD_UNKNOWN_F3 = 0xf3,
+ };
+
+ uint8_t m_recv_buf[512]; // Buffer size is a guess
+ uint8_t m_xmit_buf[512];
+ uint32_t m_curr_recv;
+ uint32_t m_curr_xmit;
+ uint32_t m_end_recv;
+ uint32_t m_end_xmit;
+
+ uint8_t m_cmd;
+ uint32_t m_cmd_size;
+ uint8_t m_terminator;
+ uint8_t m_status;
+
+ static const size_t BUFFER_SIZE;
+ static const uint8_t DEFAULT_TERMINATOR;
+};
+
+DECLARE_DEVICE_TYPE(SONYPS2_MC, ps2_mc_device)
+
+#endif // DEVICES_MACHINE_PS2MC_H \ No newline at end of file