diff --git a/Source/HBIOS/ez80rtc.asm b/Source/HBIOS/ez80rtc.asm
index 8576962f..c40ef919 100644
--- a/Source/HBIOS/ez80rtc.asm
+++ b/Source/HBIOS/ez80rtc.asm
@@ -18,13 +18,15 @@ EZ80RTC_INIT:
 	RET	NZ			; IF ALREADY ACTIVE, ABORT
 
 	CALL	NEWLINE			; FORMATTING
-	PRTS("EZ80 RTC: POWERED $")
+	CALL	PRTSTRD
+	.TEXT	"EZ80 RTC: POWERED $"
 
 	EZ80_RTC_INIT()
 	JR	Z, RTC_POWERED
 
 	PUSH	AF
-	PRTS("NOT POWERED$")
+	CALL	PRTSTRD
+	.TEXT	"NOT POWERED$"
 	POP	AF
 	RET
 
diff --git a/Source/HBIOS/ez80systmr.asm b/Source/HBIOS/ez80systmr.asm
index 00f1b6f6..7663a13d 100644
--- a/Source/HBIOS/ez80systmr.asm
+++ b/Source/HBIOS/ez80systmr.asm
@@ -14,7 +14,8 @@
 #IF (EZ80TIMER == EZ80TMR_INT)
 EZ80_TMR_INIT:
 	CALL	NEWLINE			; FORMATTING
-	PRTS("EZ80 TIMER: INTERRUPTS ENABLED$")
+	CALL	PRTSTRD
+	.TEXT	"EZ80 TIMER: INTERRUPTS ENABLED$"
 
 	LD	HL,EZ80_TMR_INT		; GET INT VECTOR
 	CALL	HB_ADDIM1		; ADD TO IM1 CALL LIST
@@ -34,7 +35,8 @@ EZ80_TMR_INT:
 
 EZ80_TMR_INIT:
 	CALL	NEWLINE			; FORMATTING
-	PRTS("EZ80 TIMER: FIRMWARE$")
+	CALL	PRTSTRD
+	.TEXT	"EZ80 TIMER: FIRMWARE$"
 	RET
 ; -----------------------------------------------
 ; Implementation of HBIOS SYS TIMER functions to
diff --git a/Source/HBIOS/ez80uart.asm b/Source/HBIOS/ez80uart.asm
index 522564db..6d016593 100644
--- a/Source/HBIOS/ez80uart.asm
+++ b/Source/HBIOS/ez80uart.asm
@@ -45,7 +45,8 @@ EZUART_PREINIT:
 
 EZUART_INIT:
 	CALL	NEWLINE			; FORMATTING
-	PRTS("EZ80 UART: UART0$")
+	CALL	PRTSTRD
+	.TEXT	"EZ80 UART: UART0$"
 
 	XOR	A
 	RET