# 0xBF ZM_EP4_BYTE_COUNT_LOW_OFFSET
size of data in fifo buffer. Maximum size of EP4 should be 64 Bytes. If reported value is bigger, then buffer is defiantly corrupt.
+# 0xc0 FIFO0 DATA OFFSET?
+# 0xc4 FIFO1 DATA OFFSET?
+# 0xc8 FIFO2 DATA OFFSET?
+# 0xcc FIFO3 DATA OFFSET?
+# 0xd0 FIFO4 DATA OFFSET?
+# 0xd4 FIFO5 DATA OFFSET?
+# 0xd8 FIFO6 DATA OFFSET?
+# 0xdc FIFO7 DATA OFFSET?
+# 0xe0 FIFO8 DATA OFFSET?
+# 0xe4 FIFO9 DATA OFFSET?
+# 0xe8 FIFO10 DATA OFFSET?
+# 0xec FIFO11 DATA OFFSET?
+# 0xf0 FIFO12 DATA OFFSET?
+# 0xf4 FIFO13 DATA OFFSET?
+# 0xf8 FIFO14 DATA OFFSET?
+# 0xfc FIFO15 DATA OFFSET?
+
# 0xF8 ZM_EP3_DATA_OFFSET
-32bit data.
+32bit data. Probably FIFO14 offset.. not EP
# 0xFC ZM_EP4_DATA_OFFSET
-32bit data.
+32bit data. Probably FIFO15 offset.. not EP
# 0x100 ZM_CBUS_FIFO_SIZE_REG
0x1 - 1 Byte, 0x3 - 2 Byte, 0x7 - 3 Byte; 0xf - 4 Byte.