diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index cb573649..64d793a3 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -156,6 +156,7 @@ PLT_DUO		.EQU	17		; DUODYNE Z80 SYSTEM
 PLT_HEATH	.EQU	18		; HEATHKIT H8 Z80 SYSTEM
 PLT_EPITX	.EQU	19		; Z180 MINI-ITX
 PLT_MON		.EQU	20		; MONSPUTER
+PLT_STDZ180	.EQU	21		; GENESIS Z180 SYSTEM
 ;
 ; HBIOS GLOBAL ERROR RETURN VALUES
 ;
diff --git a/Source/ver.inc b/Source/ver.inc
index 1a73d142..aa9bde05 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,7 +2,7 @@
 #DEFINE	RMN	5
 #DEFINE	RUP	0
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.5.0-dev.25"
+#DEFINE BIOSVER	"3.5.0-dev.26"
 #define rmj	RMJ
 #define rmn	RMN
 #define rup	RUP
diff --git a/Source/ver.lib b/Source/ver.lib
index e5411f12..b4504981 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	5
 rup	equ	0
 rtp	equ	0
 biosver	macro
-	db	"3.5.0-dev.25"
+	db	"3.5.0-dev.26"
 	endm