diff --git a/Shared_Includes b/Shared_Includes
index b325c32..ccb7691 160000
--- a/Shared_Includes
+++ b/Shared_Includes
@@ -1 +1 @@
-Subproject commit b325c3281f76e83037cb0019450ae6e36689db65
+Subproject commit ccb7691e3e36560b42832ea558ff038388a4598e
diff --git a/src/bios/exp/FUNC_LOW_PRINT.ASM b/src/bios/exp/FUNC_LOW_PRINT.ASM
index e32c884..16103e6 100644
--- a/src/bios/exp/FUNC_LOW_PRINT.ASM
+++ b/src/bios/exp/FUNC_LOW_PRINT.ASM
@@ -87,13 +87,13 @@
 
         LD A,C
         LD (SYS_PAGE.COPY_SLOT3),A
-        IN A,(RGADR)
+        IN A,(PORT_Y)
         LD (SYS_PAGE.COPY_RGADR),A
  ENDM
 
  MACRO LP_CLOSE_PG
         LD A,(SYS_PAGE.COPY_RGADR)
-        OUT (RGADR),A
+        OUT (PORT_Y),A
         LD A,(SYS_PAGE.COPY_SLOT3)
         OUT (SLOT3),A
  ENDM
@@ -104,7 +104,7 @@
         EXX
         IN A,(SLOT3)
         LD C,A
-        IN A,(RGADR)
+        IN A,(PORT_Y)
         LD B,A
 
         LD A,SYS_PAGE
@@ -120,7 +120,7 @@
         LD A,E
         AND A
         RRA
-        OUT (RGADR),A
+        OUT (PORT_Y),A
         EXX
         EX AF,AF'
  ENDM
@@ -136,7 +136,7 @@
 
         POP BC
         LD A,B
-        OUT (RGADR),A
+        OUT (PORT_Y),A
         LD A,C
         OUT (SLOT3),A
 
@@ -158,7 +158,7 @@ LP_PRINT_AL1:
 
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC D
 	LD (HL),C
 	EXX
@@ -193,7 +193,7 @@ LP_PRINT_SYM:
 LP_PRINT_SY1:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	LD (HL),C
 	INC D
 
@@ -222,7 +222,7 @@ LP_PRINT_ATR:
 LP_PRINT_AT1:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC D
 
 	INC L
@@ -250,7 +250,7 @@ LP_PRINT_LINE:
 ;	LD C,A
 	LD A,#50
 	OUT (SLOT3),A
-	LD C,RGADR
+	LD C,PORT_Y
 	EXX
 
 LP_PRINT_LN1:
@@ -291,7 +291,7 @@ LP_PRINT_LINE2:
 	LD A,#50
 	OUT (SLOT3),A
 	EXX
-	LD C,RGADR
+	LD C,PORT_Y
 	EXX
 
 LP_PRINT_LN2:
@@ -326,7 +326,7 @@ LP_PRINT_LINE3:
 LP_PRINT_LN3:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC D
 
 	EXX
@@ -374,7 +374,7 @@ LP_PRINT_LINE4:
 LP_PRINT_LN4:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	EXX
 	LD A,(HL)
@@ -417,7 +417,7 @@ LP_PRINT_LINE5:
 LP_PRINT_LN5:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	EXX
 	LD A,(HL)
@@ -463,7 +463,7 @@ LP_PRINT_LINE6:
 LP_PRINT_LN6:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	EXX
 	LD A,(HL)
@@ -503,7 +503,7 @@ LP_PRINT_LINE_DIR:
 LP_PRINT_LN_D:
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	EXX
 	LD A,(HL)
@@ -699,7 +699,7 @@ LP_CLS_L1:
 
 	EXX
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	LD (HL),C
 	INC L
@@ -824,7 +824,7 @@ LP_NEXT_HL:
 	LD A,(SYS_PAGE.WIN_MAP_IX+WIN_V_BEG)
 	LD L,A
 	INC L
-	LD H,#C3
+	LD H,#C3	;!HARDCODE
 
 LP_NEXT_HL1:
 	LD A,(SYS_PAGE.WIN_MAP_IX+WIN_H_BEG)
@@ -850,7 +850,7 @@ LP_BEG_P:
         LD A,E
         AND A
         RRA
-	OUT (RGADR),A
+	OUT (PORT_Y),A
         EXX
         EX AF,AF'
         RET
@@ -898,7 +898,7 @@ LP_SET_ZG1:
 	LD B,A
 	AND #0F
 	ADD A,A
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	LD A,B
 	RRCA
 	RRCA
@@ -1307,13 +1307,13 @@ LP_MODE_LR:
 LP_MD_LL1:
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),A	; режим
 	INC D
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),A	; режим
 	INC D
@@ -1380,7 +1380,7 @@ LP_MODE_LR2:
 LP_MD_LL2:
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),A	; режим
 	INC L
@@ -1397,7 +1397,7 @@ LP_MD_LL2:
 lp_md_ll3x:
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),A	; режим
 	INC L
@@ -1485,7 +1485,7 @@ LP_MD_LL3:
 
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),B	; режим
 	INC L
@@ -1499,7 +1499,7 @@ LP_MD_LL3:
 
 ;	EX AF,AF'
 ;	LD A,D
-;	OUT (RGADR),A
+;	OUT (PORT_Y),A
 ;	EX AF,AF'
 ;	LD (HL),B	; режим
 ;	INC L
@@ -1536,10 +1536,9 @@ LP_EXIT_MODE3:
 	RET
 
 LP_GR_640:
-
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),B	; режим 1
 	INC L
@@ -1551,7 +1550,7 @@ LP_GR_640:
 
 	EX AF,AF'
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	EX AF,AF'
 	LD (HL),0	; режим 3
 	DEC L
@@ -1636,11 +1635,11 @@ LP_SCROLL_UP:
 	EXX
 	LD A,D		; получить порт начала строки
 	EXX
-.loop1:	OUT (RGADR),A
+.loop1:	OUT (PORT_Y),A
 	INC A		; следующее значение порта
 	LDI
 	LDD
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC A		; следующее значение порта
 	LDI
 	LDD
@@ -1707,11 +1706,11 @@ LP_SCROLL_DN:
 	EXX
 	LD A,D
 	EXX
-.loop1:	OUT (RGADR),A
+.loop1:	OUT (PORT_Y),A
 	INC A
 	LDI
 	LDD
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC A
 	LDI
 	LDD
@@ -1745,7 +1744,7 @@ WIN_GET_SYM:
 	EXX
 
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	LD A,(HL)
 	EXX
@@ -1791,7 +1790,7 @@ WIN_PUT_SYM:
 	EXX
 
 	LD A,D
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 
 	EXX
 	LD A,L
@@ -1892,7 +1891,7 @@ WIN_COPY_WIN1:
 
 .COPY_loop:
 	DEC A
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	LD E,(HL)
 	INC L
 	LD D,(HL)
@@ -1952,7 +1951,6 @@ WIN_REST_WIN1:
 	EXX
 
 LP_REST_L2:
-
 	LD A,L
 	EXX
 	LD B,A
@@ -1960,8 +1958,7 @@ LP_REST_L2:
 	LD A,C
 
 LP_REST_L1:
-
-	OUT (RGADR),A
+	OUT (PORT_Y),A
 	INC A
 	POP DE
 	LD (HL),E