From ae803baa4e0ec584c7afd3f6d55f2e6b32010b46 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Fri, 21 Aug 2009 21:16:48 +0200
Subject: System boots up and shows a nice ASCII art logo.

---
 Source/Kernel/Devices/Display/Display.proto.h      |  15 +++++++++++
 .../Kernel/Devices/Display/VGATextOutput.class.cpp |  29 +++++++++++++++++++++
 .../Kernel/Devices/Display/VGATextOutput.class.h   |  15 +++++++++++
 .../Kernel/Devices/Display/VGATextOutput.class.o   | Bin 0 -> 1592 bytes
 4 files changed, 59 insertions(+)
 create mode 100644 Source/Kernel/Devices/Display/Display.proto.h
 create mode 100644 Source/Kernel/Devices/Display/VGATextOutput.class.cpp
 create mode 100644 Source/Kernel/Devices/Display/VGATextOutput.class.h
 create mode 100644 Source/Kernel/Devices/Display/VGATextOutput.class.o

(limited to 'Source/Kernel/Devices/Display')

diff --git a/Source/Kernel/Devices/Display/Display.proto.h b/Source/Kernel/Devices/Display/Display.proto.h
new file mode 100644
index 0000000..8e8e29d
--- /dev/null
+++ b/Source/Kernel/Devices/Display/Display.proto.h
@@ -0,0 +1,15 @@
+#ifndef DEF_DISPLAY_PROTO_H
+#define DEF_DISPLAY_PROTO_H
+
+#include <Core/common.wtf.h>
+
+class Display {
+	public:
+	virtual u16int textCols() = 0;
+	virtual u16int textRows() = 0;
+	virtual void putChar(u16int line, u16int col, char c, char color) = 0;	//Color : <bg 4byte><fg 4byte>
+	virtual void moveCursor(u16int line, u16int col) = 0;
+	virtual void clear() = 0;
+};
+
+#endif
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.cpp b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
new file mode 100644
index 0000000..66bffd5
--- /dev/null
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
@@ -0,0 +1,29 @@
+#include "VGATextOutput.class.h"
+
+using namespace Sys;	//For outb
+
+u16int VGATextOutput::textCols() {
+	return 80;
+}
+
+u16int VGATextOutput::textRows() {
+	return 25;
+}
+
+void VGATextOutput::putChar(u16int line, u16int col, char c, char color) {
+	u16int* where = (u16int*)0xB8000;
+	where[(80 * line) + col] = (color << 8) | c;
+}
+
+void VGATextOutput::moveCursor(u16int line, u16int col) {
+	u16int csrLoc = (line * 80) + col;
+	outb(0x3D4, 14);
+	outb(0x3D5, csrLoc >> 8);
+	outb(0x3D4, 15);
+	outb(0x3D5, csrLoc & 0xFF);
+}
+
+void VGATextOutput::clear() {
+	u16int* where = (u16int*)0xB8000;
+	for (int i = 0; i < 25 * 80; i++) where[i] = 0;
+}
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.h b/Source/Kernel/Devices/Display/VGATextOutput.class.h
new file mode 100644
index 0000000..72ad604
--- /dev/null
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.h
@@ -0,0 +1,15 @@
+#ifndef DEF_VGATEXTOUTPUT_CLASS_H
+#define DEF_VGATEXTOUTPUT_CLASS_H
+
+#include <Devices/Display/Display.proto.h>
+
+class VGATextOutput : public Display {
+	public:
+	u16int textCols();
+	u16int textRows();
+	void putChar(u16int line, u16int col, char c, char color);
+	void moveCursor(u16int line, u16int col);
+	void clear();
+};
+
+#endif
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.o b/Source/Kernel/Devices/Display/VGATextOutput.class.o
new file mode 100644
index 0000000..ccd63a1
Binary files /dev/null and b/Source/Kernel/Devices/Display/VGATextOutput.class.o differ
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