diff --git a/source/position_sense/hdsl/firmware/datalink.asm b/source/position_sense/hdsl/firmware/datalink.asm
index a92f368..dbfe57f 100644
--- a/source/position_sense/hdsl/firmware/datalink.asm
+++ b/source/position_sense/hdsl/firmware/datalink.asm
@@ -1593,7 +1593,7 @@ switch_clk:
 ;input:
 ;	REG_FNC.b0: value
 ;modifies:
-;	REG_TMP0, REG_FNC
+;	REG_TMP1, REG_FNC
 ;--------------------------------------------------------------------------------------------------
 qm_add:
 	.if 1
@@ -1617,9 +1617,9 @@ qm_add_no_capping:
 	qble	qm_add_below_not_14, QM, 14
 ; Defer the events register update to later
 ; Set EVENT_UPDATE_PENDING_QMLW to indicate a low QM value
-	lbco		&REG_TMP0.b0, MASTER_REGS_CONST, EVENT_UPDATE_PENDING, 1
-	set         REG_TMP0.b0, REG_TMP0.w0, EVENT_UPDATE_PENDING_QMLW
-	sbco		&REG_TMP0.b0, MASTER_REGS_CONST, EVENT_UPDATE_PENDING, 1
+	lbco		&REG_TMP1.b0, MASTER_REGS_CONST, EVENT_UPDATE_PENDING, 1
+	set         REG_TMP1.b0, REG_TMP1.b0, EVENT_UPDATE_PENDING_QMLW
+	sbco		&REG_TMP1.b0, MASTER_REGS_CONST, EVENT_UPDATE_PENDING, 1
 qm_add_below_not_14:
 	or	QM, QM, (1<<7)
 ;update MASTER_QM
diff --git a/source/position_sense/hdsl/firmware/hdsl_master_icssg_300_mhz_bin.h b/source/position_sense/hdsl/firmware/hdsl_master_icssg_300_mhz_bin.h
index 9dde319..b88f492 100644
--- a/source/position_sense/hdsl/firmware/hdsl_master_icssg_300_mhz_bin.h
+++ b/source/position_sense/hdsl/firmware/hdsl_master_icssg_300_mhz_bin.h
@@ -659,9 +659,9 @@ const unsigned int Hiperface_DSL2_0[]= {
 0x710f6602,
 0x24000f66,
 0x590e6604,
-0x91aa1800,
-0x1f008000,
-0x81aa1800,
+0x91aa1801,
+0x1f000101,
+0x81aa1801,
 0x13806666,
 0x81031866,
 0x20d10000,