diff --git a/platforms/amiga/pistorm-dev/pistorm-dev-enums.h b/platforms/amiga/pistorm-dev/pistorm-dev-enums.h
index a406b18..8d85197 100644
--- a/platforms/amiga/pistorm-dev/pistorm-dev-enums.h
+++ b/platforms/amiga/pistorm-dev/pistorm-dev-enums.h
@@ -33,6 +33,7 @@ enum pistorm_dev_cmds {
     PI_CMD_MEMSET           = 0x0114, // [W] Accelerated memset functionality to quickly clear a region of memory to a specific value.
     PI_CMD_SHOWFPS          = 0x0118, // [W] Enable/disable RTG FPS display.
     PI_CMD_PALETTEDEBUG     = 0x011A, // [W] Enable/disable RTG palette debug.
+    PI_CMD_MEMCPY_Q         = 0x0120, // [W] CopyMemQuick debug thing
 
     PI_CMD_QBASIC           = 0x0FFC, // QBasic
     PI_CMD_NIBBLES          = 0x0FFE, // Nibbles