Began work on proper terminal I/O

- Chenged Puts() syscall to Write()
- Improved syscalls.h
- added a new header in terminal/terminal.h
- moved gfxMode into screen/gfxmode.h

include/screen/gfxmode.h

@@ -0,0 +1,79 @@
+#ifndef GFXMODE_H
+#define GFXMODE_H
+
+#include <memory/addresses.h>
+#include <stdint.h>
+
+#define BLACK   0x00000000 // 0
+#define RED     0x00ff0000 // 1
+#define GREEN   0x0000ff00 // 2
+#define YELLOW  0x00ffff00 // 3
+#define BLUE    0x000000ff // 4
+#define MAGENTA 0x00ff00ff // 5
+#define CYAN    0x0000ffff // 6
+#define WHITE   0x00ffffff // 7
+
+#define BG_COLOR 0x00010b17
+#define FG_COLOR 0x00ebddf4
+
+typedef struct modeInfoBlock_s {
+    // Required by all VBE revisions
+    uint16_t modeAttr;
+    uint8_t windowAAtrr;
+    uint8_t windowBAttr;
+    uint16_t windowGranularity;
+    uint16_t windowSize;
+    uint16_t windowASegment;
+    uint16_t windowBSegment;
+    uint32_t windowFunctionPtr;
+    uint16_t bytesPerScanline;
+
+    // Required by VBE 1.2+
+    uint16_t xRes;
+    uint16_t yRes;
+    uint8_t xCharSize;
+    uint8_t yCharSize;
+    uint8_t planeCount;
+    uint8_t bpp;
+    uint8_t bankCount;
+    uint8_t memoryModel;
+    uint8_t bankSize;
+    uint8_t imagePageCount;
+    uint8_t reserved1;
+
+    // Direct color fields
+    uint8_t redMaskSize;
+    uint8_t redFieldPos;
+    uint8_t greenMaskSize;
+    uint8_t greenFieldPos;
+    uint8_t blueMaskSize;
+    uint8_t blueFieldPos;
+    uint8_t reservedMaskSize;
+    uint8_t reservedFieldPos;
+    uint8_t directColorModeInfo;
+
+    // Required by VBE 2.0+
+    uint32_t physicalBasePtr;
+    uint32_t reserved2;
+    uint16_t reserved3;
+
+    // Required by VBE 3.0+
+    uint16_t linearBytesPerScanline;
+    uint8_t bankImagePageCount;
+    uint8_t linearImagePageCount;
+    uint8_t linearRedMaskSize;
+    uint8_t linearRedFieldPos;
+    uint8_t linearGreenMaskSize;
+    uint8_t linearGreenFieldPos;
+    uint8_t linearBlueMaskSize;
+    uint8_t linearBlueFieldPos;
+    uint8_t linearReservedMaskSize;
+    uint8_t linearReservedFieldPos;
+    uint32_t maxPixelClock;
+
+    uint8_t reserved4[190];
+} __attribute__ ((packed)) modeInfoBlock_t;
+
+static modeInfoBlock_t* gfxMode = (modeInfoBlock_t*)MODE_INFO_BLOCK_LOC;
+
+#endif