diff --git a/chroma/inc/kernel/system/heap.h b/chroma/inc/kernel/system/heap.h
new file mode 100644
index 0000000..a0a2cc2
--- /dev/null
+++ b/chroma/inc/kernel/system/heap.h
@@ -0,0 +1,9 @@
+#ifndef KHEAP_H
+#define KHEAP_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+uint8_t HeapEnabled = 0;
+
+#endif
diff --git a/chroma/inc/kernel/video/tty.h b/chroma/inc/kernel/video/tty.h
new file mode 100644
index 0000000..0fcab05
--- /dev/null
+++ b/chroma/inc/kernel/video/tty.h
@@ -0,0 +1,11 @@
+#ifndef _KERNEL_TTY_H
+#define _KERNEL_TTY_H
+
+#include <stddef.h>
+
+void Term_Init(void);
+void Term_PutChar(char c);
+void Term_Write(const char* str, size_t len);
+void Term_WriteStr(const char* str);
+
+#endif
diff --git a/chroma/inc/kernel/video/vga-textmode.h b/chroma/inc/kernel/video/vga-textmode.h
new file mode 100644
index 0000000..9b3f978
--- /dev/null
+++ b/chroma/inc/kernel/video/vga-textmode.h
@@ -0,0 +1,34 @@
+#ifndef VGA_TEXTMODE_H
+#define VGA_TEXTMODE_H
+
+#include <stdint.h>
+
+enum VGA_COLOR {
+	VGA_COLOR_BLACK = 0,
+	VGA_COLOR_BLUE = 1,
+	VGA_COLOR_GREEN = 2,
+	VGA_COLOR_CYAN = 3,
+	VGA_COLOR_RED = 4,
+	VGA_COLOR_MAGENTA = 5,
+	VGA_COLOR_BROWN = 6,
+	VGA_COLOR_LIGHTGREY = 7,
+	VGA_COLOR_DARKGREY = 8,
+	VGA_COLOR_LIGHTBLUE = 9,
+	VGA_COLOR_LIGHTGREEN = 10,
+	VGA_COLOR_LIGHTCYAN = 11,
+	VGA_COLOR_PINK = 12,
+	VGA_COLOR_LIGHTMAGENTA = 13,
+	VGA_COLOR_LIGHTBROWN = 14,
+	VGA_COLOR_WHITE = 15,
+};
+
+static inline uint8_t VGACharColor(enum VGA_COLOR fg, enum VGA_COLOR bg) {
+	return fg | bg << 4;
+}
+
+static inline uint8_t VGAChar(unsigned char uc, uint8_t color) {
+	return (uint16_t) uc | (uint16_t) color << 8;
+}
+
+#endif
+
diff --git a/chroma/video/tty.d b/chroma/video/tty.d
new file mode 100644
index 0000000..02cf1e2
--- /dev/null
+++ b/chroma/video/tty.d
@@ -0,0 +1,6 @@
+chroma/video/tty.o: chroma/video/tty.c chroma/inc/kernel/video/tty.h \
+ chroma/inc/kernel/video/vga-textmode.h
+
+chroma/inc/kernel/video/tty.h:
+
+chroma/inc/kernel/video/vga-textmode.h:
diff --git a/sync.iso b/sync.iso
new file mode 100644
index 0000000..0bca3f7
Binary files /dev/null and b/sync.iso differ