diff --git a/right/src/macros.c b/right/src/macros.c
index 64b934c..a837f04 100644
--- a/right/src/macros.c
+++ b/right/src/macros.c
@@ -1,4 +1,294 @@
 #include "macros.h"
+#include "config_parser/parse_macro.h"
+#include "config_parser/config_globals.h"
 
 macro_reference_t AllMacros[MAX_MACRO_NUM];
 uint8_t AllMacrosCount;
+bool MacroPlaying = false;
+usb_mouse_report_t MacroMouseReport = { 0 };
+usb_basic_keyboard_report_t MacroBasicKeyboardReport = { 0 };
+usb_media_keyboard_report_t MacroMediaKeyboardReport = { { 0 } };
+usb_system_keyboard_report_t MacroSystemKeyboardReport = { { 0 } };
+
+static uint8_t currentMacroIndex;
+static uint16_t currentMacroActionIndex;
+static macro_action_t currentMacroAction;
+
+uint8_t characterToScancode(char character)
+{
+    switch (character) {
+        case 'A' ... 'Z':
+            return 0;
+        case 'a' ... 'z':
+            return 0;
+        case '1' ... '9':
+            return 0;
+        case ')':
+        case '0':
+            return 0;
+        case '!':
+            return 0;
+        case '@':
+            return 0;
+        case '#':
+            return 0;
+        case '$':
+            return 0;
+        case '%':
+            return 0;
+        case '^':
+            return 0;
+        case '&':
+            return 0;
+        case '*':
+            return 0;
+        case '(':
+            return 0;
+        case '`':
+        case '~':
+            return 0;
+        case '[':
+        case '{':
+            return 0;
+        case ']':
+        case '}':
+            return 0;
+        case ';':
+        case ':':
+            return 0;
+        case '\'':
+        case '\"':
+            return 0;
+        case '+':
+        case '=':
+            return 0;
+        case '\\':
+        case '|':
+            return 0;
+        case '.':
+        case '>':
+            return 0;
+        case ',':
+        case '<':
+            return 0;
+        case '/':
+        case '\?':
+            return 0;
+        case '-':
+        case '_':
+            return 0;
+    }
+    return 0;
+}
+
+void addBasicScancode(uint8_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_BASIC_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroBasicKeyboardReport.scancodes[i] == scancode) {
+            return;
+        }
+    }
+    for (uint8_t i = 0; i < USB_BASIC_KEYBOARD_MAX_KEYS; i++) {
+        if (!MacroBasicKeyboardReport.scancodes[i]) {
+            MacroBasicKeyboardReport.scancodes[i] = scancode;
+            break;
+        }
+    }
+}
+
+void deleteBasicScancode(uint8_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_BASIC_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroBasicKeyboardReport.scancodes[i] == scancode) {
+            MacroBasicKeyboardReport.scancodes[i] = 0;
+            return;
+        }
+    }
+}
+
+void addModifiers(uint8_t modifiers)
+{
+    MacroBasicKeyboardReport.modifiers |= modifiers;
+}
+
+void deleteModifiers(uint8_t modifiers)
+{
+    MacroBasicKeyboardReport.modifiers &= ~modifiers;
+}
+
+void addMediaScancode(uint16_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_MEDIA_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroMediaKeyboardReport.scancodes[i] == scancode) {
+            return;
+        }
+    }
+    for (uint8_t i = 0; i < USB_MEDIA_KEYBOARD_MAX_KEYS; i++) {
+        if (!MacroMediaKeyboardReport.scancodes[i]) {
+            MacroMediaKeyboardReport.scancodes[i] = scancode;
+            break;
+        }
+    }
+}
+
+void deleteMediaScancode(uint16_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_MEDIA_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroMediaKeyboardReport.scancodes[i] == scancode) {
+            MacroMediaKeyboardReport.scancodes[i] = 0;
+            return;
+        }
+    }
+}
+
+void addSystemScancode(uint8_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_SYSTEM_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroSystemKeyboardReport.scancodes[i] == scancode) {
+            return;
+        }
+    }
+    for (uint8_t i = 0; i < USB_SYSTEM_KEYBOARD_MAX_KEYS; i++) {
+        if (!MacroSystemKeyboardReport.scancodes[i]) {
+            MacroSystemKeyboardReport.scancodes[i] = scancode;
+            break;
+        }
+    }
+}
+
+void deleteSystemScancode(uint8_t scancode)
+{
+    if (scancode) {
+        return;
+    }
+    for (uint8_t i = 0; i < USB_SYSTEM_KEYBOARD_MAX_KEYS; i++) {
+        if (MacroSystemKeyboardReport.scancodes[i] == scancode) {
+            MacroSystemKeyboardReport.scancodes[i] = 0;
+            return;
+        }
+    }
+}
+
+bool processKeyMacroAction(void)
+{
+    static bool pressStarted;
+
+    switch (currentMacroAction.key.action) {
+        case MacroSubAction_Press:
+            if (!pressStarted) {
+                pressStarted = true;
+                addModifiers(currentMacroAction.key.modifierMask);
+                switch (currentMacroAction.key.type) {
+                    case KeystrokeType_Basic:
+                        addBasicScancode(currentMacroAction.key.scancode);
+                        break;
+                    case KeystrokeType_Media:
+                        // addMediaScancode(currentMacroAction.key.scancode);
+                        break;
+                    case KeystrokeType_System:
+                        addSystemScancode(currentMacroAction.key.scancode);
+                        break;
+                }
+                return true;
+            }
+            pressStarted = false;
+            deleteModifiers(currentMacroAction.key.modifierMask);
+            switch (currentMacroAction.key.type) {
+                case KeystrokeType_Basic:
+                    deleteBasicScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_Media:
+                    // deleteMediaScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_System:
+                    deleteSystemScancode(currentMacroAction.key.scancode);
+                    break;
+            }
+            break;
+        case MacroSubAction_Release:
+            deleteModifiers(currentMacroAction.key.modifierMask);
+            switch (currentMacroAction.key.type) {
+                case KeystrokeType_Basic:
+                    deleteBasicScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_Media:
+                    // deleteMediaScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_System:
+                    deleteSystemScancode(currentMacroAction.key.scancode);
+                    break;
+            }
+            break;
+        case MacroSubAction_Hold:
+            addModifiers(currentMacroAction.key.modifierMask);
+            switch (currentMacroAction.key.type) {
+                case KeystrokeType_Basic:
+                    addBasicScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_Media:
+                    // addMediaScancode(currentMacroAction.key.scancode);
+                    break;
+                case KeystrokeType_System:
+                    addSystemScancode(currentMacroAction.key.scancode);
+                    break;
+            }
+            break;
+    }
+    return false;
+}
+
+bool processCurrentMacroAction(void)
+{
+    switch (currentMacroAction.type) {
+        case MacroActionType_Delay:
+            return false;
+        case MacroActionType_Key:
+            return processKeyMacroAction();
+        case MacroActionType_MouseButton:
+            return false;
+        case MacroActionType_MoveMouse:
+            return false;
+        case MacroActionType_ScrollMouse:
+            return false;
+        case MacroActionType_Text:
+            return false;
+    }
+    return false;
+}
+
+void Macros_StartMacro(uint8_t index)
+{
+    MacroPlaying = true;
+    currentMacroIndex = index;
+    currentMacroActionIndex = 0;
+    UserConfigBuffer.offset = AllMacros[index].firstMacroActionOffset;
+    ParseMacroAction(&UserConfigBuffer, &currentMacroAction);
+}
+
+void Macros_ContinueMacro(void)
+{
+    if (processCurrentMacroAction()) {
+        return;
+    }
+    if (++currentMacroActionIndex == AllMacros[currentMacroIndex].macroActionsCount) {
+        MacroPlaying = false;
+        return;
+    }
+    ParseMacroAction(&UserConfigBuffer, &currentMacroAction);
+}
+
diff --git a/right/src/macros.h b/right/src/macros.h
index e85ea39..1e2f5e6 100644
--- a/right/src/macros.h
+++ b/right/src/macros.h
@@ -4,7 +4,9 @@
 // Includes:
 
     #include <stdint.h>
+    #include <stdbool.h>
     #include "key_action.h"
+    #include "usb_device_config.h"
 
 // Macros:
 
@@ -67,5 +69,15 @@
 
     extern macro_reference_t AllMacros[MAX_MACRO_NUM];
     extern uint8_t AllMacrosCount;
+    extern bool MacroPlaying;
+    extern usb_mouse_report_t MacroMouseReport;
+    extern usb_basic_keyboard_report_t MacroBasicKeyboardReport;
+    extern usb_media_keyboard_report_t MacroMediaKeyboardReport;
+    extern usb_system_keyboard_report_t MacroSystemKeyboardReport;
+
+// Functions:
+
+    void Macros_StartMacro(uint8_t index);
+    void Macros_ContinueMacro(void);
 
 #endif
diff --git a/right/src/usb_report_updater.c b/right/src/usb_report_updater.c
index 4ac23d9..f1f6e34 100644
--- a/right/src/usb_report_updater.c
+++ b/right/src/usb_report_updater.c
@@ -9,6 +9,7 @@
 #include "slave_drivers/is31fl3731_driver.h"
 #include "slave_drivers/uhk_module_driver.h"
 #include "led_pwm.h"
+#include "macros.h"
 
 static uint8_t mouseWheelDivisorCounter = 0;
 static uint8_t mouseSpeedAccelDivisorCounter = 0;
@@ -132,8 +133,17 @@ void UpdateActiveUsbReports()
     uint8_t systemScancodeIndex = 0;
     static uint8_t previousLayer = LAYER_ID_BASE;
     static uint8_t previousModifiers = 0;
-    uint8_t activeLayer = getActiveLayer();
+    uint8_t activeLayer;
 
+    if (MacroPlaying) {
+        Macros_ContinueMacro();
+        memcpy(&UsbMouseReport, &MacroMouseReport, sizeof MacroMouseReport);
+        memcpy(&ActiveUsbBasicKeyboardReport, &MacroBasicKeyboardReport, sizeof MacroBasicKeyboardReport);
+        memcpy(&ActiveUsbMediaKeyboardReport, &MacroMediaKeyboardReport, sizeof MacroMediaKeyboardReport);
+        memcpy(&ActiveUsbSystemKeyboardReport, &MacroSystemKeyboardReport, sizeof MacroSystemKeyboardReport);
+        return;
+    }
+    activeLayer = getActiveLayer();
     LedDisplay_SetLayer(activeLayer);
     for (uint8_t slotId=0; slotId<SLOT_COUNT; slotId++) {
         for (uint8_t keyId=0; keyId<MAX_KEY_COUNT_PER_MODULE; keyId++) {