diff --git a/constants/SP2000.inc b/constants/SP2000.inc
index f8445cd..6ccca49 100644
--- a/constants/SP2000.inc
+++ b/constants/SP2000.inc
@@ -436,7 +436,6 @@ SCREEN_SWITCH           EQU RGMOD
 ;RGACC			EQU #A9
 ;PGACC   		EQU #FC
 PORT_SCALE		EQU #FC					; Порт масштабирования
-PORT_ISA		EQU #9FBD
 
 ;VIDEO_PAGE		EQU #50
 
@@ -449,6 +448,7 @@ Port_All_Mode	EQU	#204E
 ; bit5 - 
 ; bit6 -
 ; bit7 -
+PORT_ISA		EQU #9FBD
 
 Port_VSYNC		EQU #BD					; #41 - 320Lines/49Hz, #61 - 312Lines/50Hz
 .SET_320L		EQU #41