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authorbunnei <ericbunnie@gmail.com>2014-04-05 07:23:51 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-05 07:23:51 +0200
commit9c2355ba4f37585cd0054b3f05251a814ccbc0eb (patch)
treec3dbfaf5cd323719cb2f0fc0af35f307afc0dfa1 /src/core
parentadded a tick counter (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/src/hw/hw_lcd.cpp65
-rw-r--r--src/core/src/hw/hw_lcd.h64
2 files changed, 129 insertions, 0 deletions
diff --git a/src/core/src/hw/hw_lcd.cpp b/src/core/src/hw/hw_lcd.cpp
new file mode 100644
index 000000000..19e3b4ab4
--- /dev/null
+++ b/src/core/src/hw/hw_lcd.cpp
@@ -0,0 +1,65 @@
+/**
+ * Copyright (C) 2013 Citrus Emulator
+ *
+ * @file hw_lcd.cpp
+ * @author bunnei
+ * @date 2014-04-05
+ * @brief Hardware LCD interface
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#include "log.h"
+#include "core.h"
+#include "hw_lcd.h"
+
+namespace LCD {
+
+static const u32 kFrameTicks = 268123480 / 30; // 268MHz / 30 frames per second
+
+u64 g_last_ticks = 0; ///< Last CPU ticks
+
+template <typename T>
+inline void Read(T &var, const u32 addr) {
+}
+
+template <typename T>
+inline void Write(u32 addr, const T data) {
+}
+
+/// Update hardware
+void Update() {
+ u64 current_ticks = Core::g_app_core->ticks();
+
+ if ((current_ticks - g_last_ticks) >= kFrameTicks) {
+ g_last_ticks = current_ticks;
+ NOTICE_LOG(LCD, "Update frame");
+ }
+}
+
+/// Initialize hardware
+void Init() {
+ g_last_ticks = Core::g_app_core->ticks();
+
+ NOTICE_LOG(LCD, "LCD initialized OK");
+}
+
+/// Shutdown hardware
+void Shutdown() {
+ NOTICE_LOG(LCD, "LCD shutdown OK");
+}
+
+} // namespace
diff --git a/src/core/src/hw/hw_lcd.h b/src/core/src/hw/hw_lcd.h
new file mode 100644
index 000000000..fa19b1cd4
--- /dev/null
+++ b/src/core/src/hw/hw_lcd.h
@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2013 Citrus Emulator
+ *
+ * @file hw_lcd.h
+ * @author bunnei
+ * @date 2014-04-05
+ * @brief Hardware LCD interface
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#pragma once
+
+#include "common_types.h"
+
+namespace LCD {
+
+enum {
+ TOP_ASPECT_X = 0x5,
+ TOP_ASPECT_Y = 0x3,
+
+ TOP_HEIGHT = 240,
+ TOP_WIDTH = 400,
+ BOTTOM_WIDTH = 320,
+
+ FRAMEBUFFER_SEL = 0x20184E59,
+ TOP_LEFT_FRAME1 = 0x20184E60,
+ TOP_LEFT_FRAME2 = 0x201CB370,
+ TOP_RIGHT_FRAME1 = 0x20282160,
+ TOP_RIGHT_FRAME2 = 0x202C8670,
+ SUB_FRAME1 = 0x202118E0,
+ SUB_FRAME2 = 0x20249CF0,
+};
+
+template <typename T>
+inline void Read(T &var, const u32 addr);
+
+template <typename T>
+inline void Write(u32 addr, const T data);
+
+/// Update hardware
+void Update();
+
+/// Initialize hardware
+void Init();
+
+/// Shutdown hardware
+void Shutdown();
+
+
+} // namespace