diff --git a/ESPLoader.js b/ESPLoader.js
index 74bb921..2df3294 100644
--- a/ESPLoader.js
+++ b/ESPLoader.js
@@ -29,6 +29,7 @@ class ESPLoader {
     // Only Stub supported commands
     ESP_ERASE_FLASH = 0xD0;
     ESP_ERASE_REGION = 0xD1;
+    ESP_RUN_USER_CODE = 0xD3;
 
     ESP_IMAGE_MAGIC = 0xe9;
     ESP_CHECKSUM_MAGIC = 0xef;
@@ -860,6 +861,26 @@ class ESPLoader {
         this.log("Device: "+((flashid >> 8) & 0xff).toString(16) + flid_lowbyte.toString(16));
         this.log("Detected flash size: " + this.DETECTED_FLASH_SIZES[flid_lowbyte]);
     }
+
+    hard_reset = async() => {
+        this.transport.setRTS(true);  // EN->LOW
+        await this._sleep(100);
+        this.transport.setRTS(false);
+    }
+
+    soft_reset = async() => {
+        if (!this.IS_STUB) {
+            // 'run user code' is as close to a soft reset as we can do
+            this.flash_begin(0, 0);
+            this.flash_finish(false);
+        } else if (this.chip.CHIP_NAME != "ESP8266") {
+            throw new ESPError("Soft resetting is currently only supported on ESP8266");
+        } else {
+            // running user code from stub loader requires some hacks
+            // in the stub loader
+            this.command({op: this.ESP_RUN_USER_CODE, wait_response: false});
+        }
+    }
 }