From da26366c0bd496f4c77c49e0c1c7f89b5397ad42 Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 11:26:31 +0800
Subject: [PATCH 1/7] Add 80x43 video mode to VGA3 driver

With associated font file
---
 Source/HBIOS/cvdu.asm     |   2 +-
 Source/HBIOS/font8043.asm | 258 ++++++++++++++++++++++++++++++++++++++
 Source/HBIOS/font_hi.asm  |   1 -
 Source/HBIOS/hbios.asm    |  28 ++++-
 Source/HBIOS/std.asm      |   1 +
 Source/HBIOS/vga.asm      |  35 +++++-
 6 files changed, 319 insertions(+), 6 deletions(-)
 create mode 100644 Source/HBIOS/font8043.asm

diff --git a/Source/HBIOS/cvdu.asm b/Source/HBIOS/cvdu.asm
index 29277d78..d117c412 100644
--- a/Source/HBIOS/cvdu.asm
+++ b/Source/HBIOS/cvdu.asm
@@ -360,7 +360,7 @@ CVDU_LOADFONT:
 	LD	C,18			; UPDATE ADDRESS REGISTER PAIR
 	CALL	CVDU_WRX		; DO IT
 
-	LD	HL,FONT_HI		; POINTER TO FONT DATA
+	LD	HL,CVDU_FONT		; POINTER TO FONT DATA
 	LD	DE,$2000		; LENGTH OF FONT DATA
 	LD	C,31			; DATA REGISTER
 CVDU_LOADFONT1:
diff --git a/Source/HBIOS/font8043.asm b/Source/HBIOS/font8043.asm
new file mode 100644
index 00000000..0e50a62e
--- /dev/null
+++ b/Source/HBIOS/font8043.asm
@@ -0,0 +1,258 @@
+	.DB   $7E, $C3, $99, $F3, $E7, $FF, $E7, $7E, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $7F, $E6, $66, $66, $C3, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $0C, $18, $FC, $30, $FC, $60, $C0, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $60, $30, $18, $00, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $18, $30, $60, $00, $F8, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $3C, $3C, $3C, $3C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $38, $7C, $FE, $7C, $38, $10, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $C3, $C6, $CC, $D8, $36, $6E, $D6, $BF, $06, $00, $00, $00, $00, $00, $00, $00
+	.DB   $C3, $C6, $CC, $D8, $36, $6B, $C6, $8C, $0F, $00, $00, $00, $00, $00, $00, $00
+	.DB   $E1, $33, $66, $34, $EA, $36, $6A, $DF, $82, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $00, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
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+	.DB   $38, $6C, $38, $6C, $C6, $FE, $C6, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3F, $6D, $CC, $FF, $CC, $CD, $CF, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3C, $66, $C0, $C0, $66, $3C, $06, $3C, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $FE, $62, $78, $62, $FE, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $0C, $18, $FE, $62, $78, $62, $FE, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $FE, $62, $78, $62, $FE, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $6C, $00, $FE, $62, $78, $62, $FE, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $78, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $00, $78, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $20, $50, $00, $78, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $CC, $00, $78, $30, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $F8, $6C, $66, $F6, $66, $6C, $F8, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $76, $DC, $00, $E6, $F6, $DE, $CE, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $0C, $18, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $76, $DC, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $6C, $00, $7C, $C6, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $6C, $38, $6C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3D, $67, $6E, $7E, $76, $E6, $BC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $C6, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $0C, $18, $00, $C6, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $00, $C6, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $6C, $00, $C6, $C6, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $CC, $CC, $78, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $F0, $60, $7C, $66, $7C, $60, $F0, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $78, $CC, $CC, $D8, $CC, $C6, $CC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $AA, $55, $AA, $55, $AA, $55, $AA, $55, $AA, $00, $00, $00, $00, $00, $00, $00
+	.DB   $30, $00, $30, $30, $78, $78, $30, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $10, $7C, $D6, $D0, $D6, $7C, $10, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $38, $6C, $64, $F0, $60, $66, $FC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $1E, $31, $FC, $60, $F8, $33, $1E, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $CC, $CC, $78, $FC, $30, $FC, $30, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $28, $10, $7C, $C0, $78, $0C, $F8, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3E, $61, $3C, $66, $66, $3C, $86, $7C, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $28, $10, $7C, $C0, $78, $0C, $F8, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3C, $42, $99, $A1, $A1, $99, $42, $3C, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3C, $6C, $6C, $3E, $00, $7E, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $33, $66, $CC, $66, $33, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $FC, $0C, $0C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $66, $3C, $66, $66, $3C, $66, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $3C, $42, $B9, $A5, $B9, $A5, $42, $3C, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $38, $6C, $6C, $38, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $30, $30, $FC, $30, $30, $00, $FC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $38, $6C, $18, $30, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $78, $0C, $38, $0C, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $50, $20, $FC, $98, $30, $64, $FC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $66, $66, $66, $66, $7B, $C0, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $7F, $DB, $DB, $7B, $1B, $1B, $1B, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $30, $30, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $50, $20, $FC, $98, $30, $64, $FC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $38, $18, $18, $3C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $38, $6C, $6C, $38, $00, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $CC, $66, $33, $66, $CC, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $7F, $CD, $CC, $CF, $CC, $CD, $7F, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $7E, $DB, $DE, $D8, $7E, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $CC, $00, $CC, $CC, $78, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $30, $00, $30, $60, $C0, $CC, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $18, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $1F, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $F8, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $1F, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $F8, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $1F, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $F8, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $FF, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $FF, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00
+	.DB   $88, $22, $88, $22, $88, $22, $88, $22, $88, $00, $00, $00, $00, $00, $00, $00
+	.DB   $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $00, $00, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $00, $00, $00, $00, $00, $FF, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $FF, $00, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $36, $36, $36, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $3F, $30, $37, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $FE, $06, $F6, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $37, $30, $3F, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $F6, $06, $FE, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $37, $30, $37, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $F6, $06, $F6, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $00, $FF, $00, $F7, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $F7, $00, $FF, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $36, $36, $36, $F7, $00, $F7, $36, $36, $36, $00, $00, $00, $00, $00, $00, $00
+	.DB   $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $3C, $7E, $18, $18, $18, $18, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $18, $18, $18, $7E, $3C, $18, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $18, $30, $7F, $30, $18, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $18, $0C, $FE, $0C, $18, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $78, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $78, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $78, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $76, $DC, $78, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $6C, $00, $78, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $38, $6C, $38, $0C, $7C, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $00, $7E, $1B, $7E, $D8, $6E, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $78, $CC, $C0, $CC, $78, $0C, $78, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $78, $CC, $FC, $C0, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $78, $CC, $FC, $C0, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $78, $CC, $FC, $C0, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $6C, $00, $78, $CC, $FC, $C0, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $70, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $00, $70, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $20, $50, $00, $70, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $D8, $00, $70, $30, $30, $30, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $34, $18, $2C, $7C, $CC, $CC, $78, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $76, $DC, $00, $DC, $66, $66, $66, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $0C, $18, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $10, $28, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $76, $DC, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $6C, $00, $7C, $C6, $C6, $7C, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $30, $30, $00, $FC, $00, $30, $30, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $00, $3D, $66, $6E, $76, $66, $BC, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $60, $30, $00, $CC, $CC, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $00, $CC, $CC, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $20, $50, $00, $CC, $CC, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $CC, $00, $CC, $CC, $CC, $CC, $76, $00, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $18, $30, $CC, $CC, $CC, $7C, $0C, $F8, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $E0, $60, $7C, $66, $66, $7C, $60, $F0, $00, $00, $00, $00, $00, $00, $00, $00
+	.DB   $CC, $00, $CC, $CC, $CC, $7C, $0C, $F8, $00, $00, $00, $00, $00, $00, $00, $00
+
+
diff --git a/Source/HBIOS/font_hi.asm b/Source/HBIOS/font_hi.asm
index d4750aae..4fbc2e7a 100644
--- a/Source/HBIOS/font_hi.asm
+++ b/Source/HBIOS/font_hi.asm
@@ -1,4 +1,3 @@
-FONT_HI:
 	.DB	$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00,$00
 	.DB	$00,$00,$7E,$81,$A5,$81,$81,$BD,$99,$81,$81,$7E,$00,$00,$00,$00
 	.DB	$00,$00,$7C,$FE,$FE,$D6,$FE,$FE,$BA,$C6,$FE,$7C,$00,$00,$00,$00
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index ba334268..5110377a 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -2849,11 +2849,37 @@ SIZ_NEC	.EQU	$ - ORG_NEC
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
+; CVDU AND VGA3 CAN USE THE SAME FONT ROM UNLESS VGA3 MODE IS USING V80X43 MODE
+;
 #IF (CVDUENABLE | VGAENABLE)
 ORG_FONTHI	.EQU	$
+#IF (VGAENABLE & CVDUENABLE)
+ #IF (VGASIZ=V80X43))
+VGA_FONT:
+  #INCLUDE "font8043.asm"
+CVDU_FONT:
+  #INCLUDE "font_hi.asm"
+ #ELSE
+VGA_FONT:
+CVDU_FONT:
+  #INCLUDE "font_hi.asm"
+ #ENDIF
+#ELSE
+  #IF (VDUENABLE) 
+VGA_FONT:
+   #IF VGASIZ=(V80X43)
+    #INCLUDE "font8043.asm"
+   #ELSE
+    #INCLUDE "font_hi.asm"
+   #ENDIF
+  #ENDIF
+ #IF (CVDUENABLE)
+CVDU_FONT:
   #INCLUDE "font_hi.asm"
+ #ENDIF
+#ENDIF
 SIZ_FONTHI	.EQU	$ - ORG_FONTHI
-		.ECHO	"FONTHI occupies "
+		.ECHO	"FONTS occupy "
 		.ECHO	SIZ_FONTHI
 		.ECHO	" bytes.\n"
 #ENDIF
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index cd62028e..4d0e2359 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -284,6 +284,7 @@ V80X25		.EQU	1	; ECB-VDU, ECB-VGA3
 V80X30		.EQU	2	; ECB-VDU, ECB-VGA3
 V80X25B		.EQU	3	; ECB-VDU
 V80X24B		.EQU	4	; ECB-VDU
+V80X43		.EQU	5	; ECB-VGA3
 ;
 ; KEYBOARD LAYOUTS
 ;
diff --git a/Source/HBIOS/vga.asm b/Source/HBIOS/vga.asm
index d88b55bb..50022544 100644
--- a/Source/HBIOS/vga.asm
+++ b/Source/HBIOS/vga.asm
@@ -31,6 +31,11 @@ VGA_ROWS	.EQU	30
 VGA_COLS	.EQU	80
 VGA_SCANL	.EQU	16
 #ENDIF
+#IF (VGASIZ=V80X43)
+VGA_ROWS	.EQU	43
+VGA_COLS	.EQU	80
+VGA_SCANL	.EQU	11
+#ENDIF
 ;
 #DEFINE		DEFREGS		REGS_VGA
 ;
@@ -471,7 +476,7 @@ VGA_LOADFONT:
 	CALL	VGA_SETCFG
 
 	LD	DE,$7000		; PAGE 7 OF VIDEO RAM
-	LD	HL,FONT_HI		; START OF FONT DATA
+	LD	HL,VGA_FONT		; START OF FONT DATA
 VGA_LOADFONT1:
 	LD	A,(HL)			; GET NEXT BYTE
 	CALL	VGA_MEMWR		; MEM(DE) := A
@@ -839,7 +844,7 @@ VGA_RUB		.DB	0	; REVERSE/UNDERLINE/BLINK (-----RUB)
 ;
 #IF	(VGASIZ=V80X25)
 ;===============================================================================
-; 80x25 REGISTER VALUES
+; 80x25 70hz REGISTER VALUES
 ;===============================================================================
 ;
 REGS_VGA:
@@ -864,7 +869,7 @@ REGS_VGA:
 #ENDIF
 #IF	(VGASIZ=V80X30)
 ;===============================================================================
-; 80x30 REGISTER VALUES
+; 80x30 60hz REGISTER VALUES
 ;===============================================================================
 ;
 REGS_VGA:
@@ -886,6 +891,30 @@ REGS_VGA:
 	.DB	30,$01 | $08	; CTL 1, 2 WINDOWS & ENABLE R27 VSYNC FINE ADJ
 	.DB	$FF		; END MARKER
 #ENDIF
+#IF	(VGASIZ=V80X43)
+;===============================================================================
+; 80x43 60hz REGISTER VALUES
+;===============================================================================
+;
+REGS_VGA:
+	.DB	0,100 - 1	; HORZ TOT - 1
+	.DB	1,80		; HORZ DISP
+	.DB	2,80 + 2	; HORZ DISP + HORZ FP
+	.DB	3,44		; VERT SW, HORZ SW
+	.DB	4,47 - 1	; VERT TOT - 1
+	.DB	5,8		; VERT TOT ADJ
+	.DB	6,43		; VERT DISP
+	.DB	7,43 + 0	; VERT DISP + VERT FP ROWS
+	.DB	9,11 - 1	; CHAR HEIGHT - 1
+	.DB	10,109		; CURSOR START & CURSOR BLINK
+	.DB	11,14		; CURSOR END
+	.DB	12,0		; SCRN 1 START (HI)
+	.DB	13,0		; SCRN 1 START (LO)			
+	.DB	18,-1		; S2 ROW - 1
+	.DB	27,0		; VERT SYNC POS ADJ
+	.DB	30,$01 | $08	; CTL 1, 2 WINDOWS & ENABLE R27 VSYNC FINE ADJ
+	.DB	$FF		; END MARKER
+#ENDIF
 ;==================================================================================================
 ;   VGA DRIVER - INSTANCE DATA
 ;==================================================================================================

From be45e63e90509710fcab5cfa8e90d217aed2e51c Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 11:40:56 +0800
Subject: [PATCH 2/7] minors

---
 Source/HBIOS/cfg_master.asm | 2 +-
 Source/HBIOS/cfg_mk4.asm    | 2 +-
 Source/HBIOS/cfg_n8.asm     | 2 +-
 Source/HBIOS/cfg_sbc.asm    | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Source/HBIOS/cfg_master.asm b/Source/HBIOS/cfg_master.asm
index 6db57035..41395a09 100644
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -142,7 +142,7 @@ NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG/N8]
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
-VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30]
+VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
 ;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;
diff --git a/Source/HBIOS/cfg_mk4.asm b/Source/HBIOS/cfg_mk4.asm
index 52be1615..a614407f 100644
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -97,7 +97,7 @@ NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG/N8]
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
-VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30]
+VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
 ;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;
diff --git a/Source/HBIOS/cfg_n8.asm b/Source/HBIOS/cfg_n8.asm
index 37d9e548..22498548 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -100,7 +100,7 @@ NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG/N8]
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
-VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30]
+VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
 ;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;
diff --git a/Source/HBIOS/cfg_sbc.asm b/Source/HBIOS/cfg_sbc.asm
index 81428605..54dcea5e 100644
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -100,7 +100,7 @@ NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG/N8]
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
-VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30]
+VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
 ;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
 ;

From 5cda17b80075966b8c2c8b1ab3ae4966d0afdd73 Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 15:32:39 +0800
Subject: [PATCH 3/7] minors

---
 Source/HBIOS/font8043.asm | 2 ++
 Source/HBIOS/hbios.asm    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/HBIOS/font8043.asm b/Source/HBIOS/font8043.asm
index 0e50a62e..406db88c 100644
--- a/Source/HBIOS/font8043.asm
+++ b/Source/HBIOS/font8043.asm
@@ -1,3 +1,5 @@
+;	Zap font zap-vga-09 (c) John Zaitseff released under GNU General Public Licence. Refer www.gnu.org/licenses/
+;
 	.DB   $7E, $C3, $99, $F3, $E7, $FF, $E7, $7E, $00, $00, $00, $00, $00, $00, $00, $00
 	.DB   $00, $00, $7F, $E6, $66, $66, $C3, $00, $00, $00, $00, $00, $00, $00, $00, $00
 	.DB   $0C, $18, $FC, $30, $FC, $60, $C0, $00, $00, $00, $00, $00, $00, $00, $00, $00
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 5110377a..6b31ade4 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -2854,7 +2854,7 @@ SIZ_NEC	.EQU	$ - ORG_NEC
 #IF (CVDUENABLE | VGAENABLE)
 ORG_FONTHI	.EQU	$
 #IF (VGAENABLE & CVDUENABLE)
- #IF (VGASIZ=V80X43))
+ #IF (VGASIZ=V80X43)
 VGA_FONT:
   #INCLUDE "font8043.asm"
 CVDU_FONT:

From e6183cddece8d770902441623ae5a3d842b27c4f Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 17:22:31 +0800
Subject: [PATCH 4/7] minors

---
 Source/Apps/Tune/Tune.asm | 4 ++++
 Source/HBIOS/ansi.asm     | 2 +-
 Source/HBIOS/vga.asm      | 6 +++---
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Source/Apps/Tune/Tune.asm b/Source/Apps/Tune/Tune.asm
index 54429c23..91a6173d 100644
--- a/Source/Apps/Tune/Tune.asm
+++ b/Source/Apps/Tune/Tune.asm
@@ -2172,6 +2172,8 @@ LOUT	OUT (C),A
 #IF WBW
 	DI
 	CALL SLOWIO
+	LD A,8		; sbc-v2-004 change to
+	OUT (112),A	; half clock speed
 	LD DE,(CFG)	; D := RDAT, E := RSEL
 	XOR A		; start with reg 0
 	LD C,E		; point to address port
@@ -2190,6 +2192,8 @@ LOUT	OUT (C),A	; select register
 	LD C,D		; select data port
 	OUT (C),A	; write value to register 13
 LOUT2
+	LD A,0		; sbc-v2-004 change to
+	OUT (112),A	; full clock speed
 	CALL NORMIO
 	EI
 	RET		; And done
diff --git a/Source/HBIOS/ansi.asm b/Source/HBIOS/ansi.asm
index 77435b24..1f2d5f8a 100644
--- a/Source/HBIOS/ansi.asm
+++ b/Source/HBIOS/ansi.asm
@@ -287,7 +287,7 @@ ANSI_C0DISP:
 	CP	$0A		; LF: LINEFEED
 	JP	Z,ANSI_LF
 	CP	$0B		; VT: VERTICAL TAB
-	JP	Z,ANSI_LF	; TREAD AS LINEFEED
+	JP	Z,ANSI_LF	; TREAT AS LINEFEED
 	CP	$0C		; FF: FORMFEED
 	JP	Z,ANSI_LF	; TREAT AS LINEFEED
 	CP	$0D		; CR: CARRIAGE RETURN
diff --git a/Source/HBIOS/vga.asm b/Source/HBIOS/vga.asm
index 50022544..30203a39 100644
--- a/Source/HBIOS/vga.asm
+++ b/Source/HBIOS/vga.asm
@@ -81,7 +81,7 @@ VGA_INIT1:
 
 	; HARDWARE INITIALIZATION
 	CALL 	VGA_CRTINIT		; SETUP THE VGA CHIP REGISTERS
-	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STRORAGE
+	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STORAGE
 	CALL	VGA_VDARES
 	CALL	KBD_INIT		; INITIALIZE KEYBOARD DRIVER
 
@@ -141,7 +141,7 @@ VGA_VDAQRY:
 VGA_VDARES:
 	LD	A,$07		; ATTRIBUTE IS STANDARD WHITE ON BLACK
 	LD	(VGA_ATTR),A	; SAVE IT
-	XOR	A		; ZERO (REVEVERSE, UNDERLINE, BLINK)
+	XOR	A		; ZERO (REVERSE, UNDERLINE, BLINK)
 	LD	(VGA_RUB),A	; SAVE IT
 	
 	LD	DE,0		; ROW = 0, COL = 0
@@ -304,7 +304,7 @@ VGA_REGWR:
 VGA_REGWRX:
 	LD	A,H			; SETUP MSB TO WRITE
 	CALL	VGA_REGWR		; DO IT
-	INC	C			; NEXT CVDU REGISTER
+	INC	C			; NEXT VDU REGISTER
 	LD	A,L			; SETUP LSB TO WRITE
 	JR	VGA_REGWR		; DO IT & RETURN
 ;

From 4f798e2454c02450e35e3fc688d0e08b5d02b74e Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 17:22:59 +0800
Subject: [PATCH 5/7] Revert "minors"

This reverts commit e6183cddece8d770902441623ae5a3d842b27c4f.
---
 Source/Apps/Tune/Tune.asm | 4 ----
 Source/HBIOS/ansi.asm     | 2 +-
 Source/HBIOS/vga.asm      | 6 +++---
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/Source/Apps/Tune/Tune.asm b/Source/Apps/Tune/Tune.asm
index 91a6173d..54429c23 100644
--- a/Source/Apps/Tune/Tune.asm
+++ b/Source/Apps/Tune/Tune.asm
@@ -2172,8 +2172,6 @@ LOUT	OUT (C),A
 #IF WBW
 	DI
 	CALL SLOWIO
-	LD A,8		; sbc-v2-004 change to
-	OUT (112),A	; half clock speed
 	LD DE,(CFG)	; D := RDAT, E := RSEL
 	XOR A		; start with reg 0
 	LD C,E		; point to address port
@@ -2192,8 +2190,6 @@ LOUT	OUT (C),A	; select register
 	LD C,D		; select data port
 	OUT (C),A	; write value to register 13
 LOUT2
-	LD A,0		; sbc-v2-004 change to
-	OUT (112),A	; full clock speed
 	CALL NORMIO
 	EI
 	RET		; And done
diff --git a/Source/HBIOS/ansi.asm b/Source/HBIOS/ansi.asm
index 1f2d5f8a..77435b24 100644
--- a/Source/HBIOS/ansi.asm
+++ b/Source/HBIOS/ansi.asm
@@ -287,7 +287,7 @@ ANSI_C0DISP:
 	CP	$0A		; LF: LINEFEED
 	JP	Z,ANSI_LF
 	CP	$0B		; VT: VERTICAL TAB
-	JP	Z,ANSI_LF	; TREAT AS LINEFEED
+	JP	Z,ANSI_LF	; TREAD AS LINEFEED
 	CP	$0C		; FF: FORMFEED
 	JP	Z,ANSI_LF	; TREAT AS LINEFEED
 	CP	$0D		; CR: CARRIAGE RETURN
diff --git a/Source/HBIOS/vga.asm b/Source/HBIOS/vga.asm
index 30203a39..50022544 100644
--- a/Source/HBIOS/vga.asm
+++ b/Source/HBIOS/vga.asm
@@ -81,7 +81,7 @@ VGA_INIT1:
 
 	; HARDWARE INITIALIZATION
 	CALL 	VGA_CRTINIT		; SETUP THE VGA CHIP REGISTERS
-	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STORAGE
+	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STRORAGE
 	CALL	VGA_VDARES
 	CALL	KBD_INIT		; INITIALIZE KEYBOARD DRIVER
 
@@ -141,7 +141,7 @@ VGA_VDAQRY:
 VGA_VDARES:
 	LD	A,$07		; ATTRIBUTE IS STANDARD WHITE ON BLACK
 	LD	(VGA_ATTR),A	; SAVE IT
-	XOR	A		; ZERO (REVERSE, UNDERLINE, BLINK)
+	XOR	A		; ZERO (REVEVERSE, UNDERLINE, BLINK)
 	LD	(VGA_RUB),A	; SAVE IT
 	
 	LD	DE,0		; ROW = 0, COL = 0
@@ -304,7 +304,7 @@ VGA_REGWR:
 VGA_REGWRX:
 	LD	A,H			; SETUP MSB TO WRITE
 	CALL	VGA_REGWR		; DO IT
-	INC	C			; NEXT VDU REGISTER
+	INC	C			; NEXT CVDU REGISTER
 	LD	A,L			; SETUP LSB TO WRITE
 	JR	VGA_REGWR		; DO IT & RETURN
 ;

From 5bf4dbc30f7508399b51caf5e0f2365e58080144 Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 17:32:27 +0800
Subject: [PATCH 6/7] minors

---
 Source/HBIOS/ansi.asm | 2 +-
 Source/HBIOS/vga.asm  | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Source/HBIOS/ansi.asm b/Source/HBIOS/ansi.asm
index 77435b24..1f2d5f8a 100644
--- a/Source/HBIOS/ansi.asm
+++ b/Source/HBIOS/ansi.asm
@@ -287,7 +287,7 @@ ANSI_C0DISP:
 	CP	$0A		; LF: LINEFEED
 	JP	Z,ANSI_LF
 	CP	$0B		; VT: VERTICAL TAB
-	JP	Z,ANSI_LF	; TREAD AS LINEFEED
+	JP	Z,ANSI_LF	; TREAT AS LINEFEED
 	CP	$0C		; FF: FORMFEED
 	JP	Z,ANSI_LF	; TREAT AS LINEFEED
 	CP	$0D		; CR: CARRIAGE RETURN
diff --git a/Source/HBIOS/vga.asm b/Source/HBIOS/vga.asm
index 50022544..30203a39 100644
--- a/Source/HBIOS/vga.asm
+++ b/Source/HBIOS/vga.asm
@@ -81,7 +81,7 @@ VGA_INIT1:
 
 	; HARDWARE INITIALIZATION
 	CALL 	VGA_CRTINIT		; SETUP THE VGA CHIP REGISTERS
-	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STRORAGE
+	CALL	VGA_LOADFONT		; LOAD FONT DATA FROM ROM TO VGA STORAGE
 	CALL	VGA_VDARES
 	CALL	KBD_INIT		; INITIALIZE KEYBOARD DRIVER
 
@@ -141,7 +141,7 @@ VGA_VDAQRY:
 VGA_VDARES:
 	LD	A,$07		; ATTRIBUTE IS STANDARD WHITE ON BLACK
 	LD	(VGA_ATTR),A	; SAVE IT
-	XOR	A		; ZERO (REVEVERSE, UNDERLINE, BLINK)
+	XOR	A		; ZERO (REVERSE, UNDERLINE, BLINK)
 	LD	(VGA_RUB),A	; SAVE IT
 	
 	LD	DE,0		; ROW = 0, COL = 0
@@ -304,7 +304,7 @@ VGA_REGWR:
 VGA_REGWRX:
 	LD	A,H			; SETUP MSB TO WRITE
 	CALL	VGA_REGWR		; DO IT
-	INC	C			; NEXT CVDU REGISTER
+	INC	C			; NEXT VDU REGISTER
 	LD	A,L			; SETUP LSB TO WRITE
 	JR	VGA_REGWR		; DO IT & RETURN
 ;

From 60f96f32441b850d073d80758b7c9211538fb91c Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Fri, 10 Jan 2020 20:11:19 +0800
Subject: [PATCH 7/7] Add cursor support fo VGA 80x43 mode

Align with VDU driver
---
 Source/HBIOS/vga.asm | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/Source/HBIOS/vga.asm b/Source/HBIOS/vga.asm
index 30203a39..e6875dbb 100644
--- a/Source/HBIOS/vga.asm
+++ b/Source/HBIOS/vga.asm
@@ -21,6 +21,17 @@ VGA_HI		.EQU	VGA_BASE + $05	; BOARD RAM HI ADDRESS
 VGA_LO		.EQU	VGA_BASE + $06	; BOARD RAM LO ADDRESS
 VGA_DAT		.EQU	VGA_BASE + $07	; BOARD RAM BYTE R/W
 ;
+VGA_NOBL	.EQU	00000000B	; NO BLINK
+VGA_NOCU	.EQU	00100000B	; NO CURSOR
+VGA_BFAS	.EQU	01000000B	; BLINK AT X16 RATE
+VGA_BSLO	.EQU	01100000B	; BLINK AT X32 RATE
+;
+VGA_BLOK	.EQU	0		; BLOCK CURSOR
+VGA_ULIN	.EQU	1		; UNDERLINE CURSOR
+;
+VGA_CSTY	.EQU	VGA_BLOK	; DEFAULT CURSOR STYLE
+VGA_BLNK	.EQU	VGA_NOBL	; DEFAULT BLINK RATE
+;
 #IF (VGASIZ=V80X25)
 VGA_ROWS	.EQU	25
 VGA_COLS	.EQU	80
@@ -37,6 +48,16 @@ VGA_COLS	.EQU	80
 VGA_SCANL	.EQU	11
 #ENDIF
 ;
+#IF VGA_CSTY=VGA_BLOK
+VGA_R10		.EQU	(VGA_BLNK + $00)	
+VGA_R11		.EQU	VGA_SCANL-1
+#ENDIF
+;
+#IF VGA_CSTY=VGA_ULIN
+VGA_R10		.EQU	(VGA_BLNK + VGA_SCANL-1)	
+VGA_R11		.EQU	VGA_SCANL-1
+#ENDIF
+;
 #DEFINE		DEFREGS		REGS_VGA
 ;
 TERMENABLE	.SET	TRUE		; INCLUDE TERMINAL PSEUDODEVICE DRIVER
@@ -857,8 +878,8 @@ REGS_VGA:
 	.DB	6,25		; VERT DISP
 	.DB	7,25 + 0	; VERT DISP + VERT FP ROWS
 	.DB	9,16 - 1	; CHAR HEIGHT - 1
-	.DB	10,(13 | $60)	; CURSOR START & CURSOR BLINK
-	.DB	11,14		; CURSOR END
+	.DB	10,VGA_R10	; CURSOR START & CURSOR BLINK
+	.DB	11,VGA_R11	; CURSOR END
 	.DB	12,($0000 >> 8) & $FF	; SCRN 1 START (HI)
 	.DB	13,($0000 & $FF)	; SCRN 1 START (LO)
 	.DB	18,-1		; S2 ROW - 1
@@ -882,8 +903,8 @@ REGS_VGA:
 	.DB	6,30		; VERT DISP
 	.DB	7,30 + 0	; VERT DISP + VERT FP ROWS
 	.DB	9,16 - 1	; CHAR HEIGHT - 1
-	.DB	10,109		; CURSOR START & CURSOR BLINK
-	.DB	11,14		; CURSOR END
+	.DB	10,VGA_R10	; CURSOR START & CURSOR BLINK
+	.DB	11,VGA_R11	; CURSOR END
 	.DB	12,0		; SCRN 1 START (HI)
 	.DB	13,0		; SCRN 1 START (LO)			
 	.DB	18,-1		; S2 ROW - 1
@@ -906,8 +927,8 @@ REGS_VGA:
 	.DB	6,43		; VERT DISP
 	.DB	7,43 + 0	; VERT DISP + VERT FP ROWS
 	.DB	9,11 - 1	; CHAR HEIGHT - 1
-	.DB	10,109		; CURSOR START & CURSOR BLINK
-	.DB	11,14		; CURSOR END
+	.DB	10,VGA_R10	; CURSOR START & CURSOR BLINK
+	.DB	11,VGA_R11	; CURSOR END
 	.DB	12,0		; SCRN 1 START (HI)
 	.DB	13,0		; SCRN 1 START (LO)			
 	.DB	18,-1		; S2 ROW - 1