X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=src%2Fdisplay4.S;h=87eff633f9d8217a4f093fba613e67a1177678e1;hb=f574e1127a225e2de2e77a6b9e46a65986789f1f;hp=7b7244f20cb790e038c90da3ebbf1601f37a55c5;hpb=0a7ead9db7967764f0d93d30f9a83c94cb6fc358;p=rrq%2Fmaintain_lilo.git

diff --git a/src/display4.S b/src/display4.S
index 7b7244f..87eff63 100644
--- a/src/display4.S
+++ b/src/display4.S
@@ -1,12 +1,13 @@
-/*  display4.S is
-
- Copyright 2001-2005 John Coffman.
- All rights reserved.
-
- Licensed under the terms contained in the file 'COPYING' in the 
- source directory.
+;  display4.S
+;
+;  Copyright 2001-2005 John Coffman
+;  Copyright 2009-2013 Joachim Wiedorn
+;  All rights reserved.
+;
+;  Licensed under the terms contained in the file 'COPYING'
+;  in the source directory.
+;
 
-*/
 ;
 ;	Static Name Aliases
 ;
@@ -587,10 +588,10 @@ _display4:
 	  cmp	WORD (bx+14+2),#0	; hi-order part of DWORD
 	jne	d4_I573
 	seg	es
-	  cmp	WORD (bx+14),#40	; Windows/OS2 bitmap header
+	  cmp	WORD (bx+14),#40	; Windows bitmap header
 	je	d4_I574
 	seg	es
-	  cmp	WORD (bx+14),#12	; OS2 bitmap header
+	  cmp	WORD (bx+14),#12	; OS2 bitmap header (obsolete)
 	je	d4_I574
 ; Line 297
 d4_I573:
@@ -616,7 +617,7 @@ d4_I574:
 	  cmp	BYTE (bx),#40		; Windows
 	je	d4_I575
 
-;  OS2 bitmaps
+;  OS2 bitmaps (obselete)
 	seg	es
 	  mov	ax,WORD (bx+8)
         seg	es
@@ -643,7 +644,7 @@ d4_I574:
 	jne	d4_I576
 	jmp	d4_I575a
 
-; Windows/OS2 bitmaps
+; Windows bitmaps
 d4_I575:
 	seg	es
 	  mov	ax,WORD (bx+12)
@@ -891,13 +892,13 @@ d4_F581:
 	les	bx,(bp-22)	;bmh
 ;;	seg	es
 ;;	  mov	ax,WORD (bx+8)		; 480
-	mov	ax,#480			; Windows or OS2
+	mov	ax,#480			; Windows
 ;;	seg	es
 ;;	  mov	dx,WORD (bx+4)		; 640
-	mov	dx,#640			; Windows or OS2
+	mov	dx,#640			; Windows
 	seg	es
-	  cmp	BYTE (bx),#13		; OS2
-	sbb	cx,cx			; OS2 = -1, Win = 0
+	  cmp	BYTE (bx),#13		; OS2 (obsolete)
+	sbb	cx,cx			; Win = 0  OS2 = -1 (obsolete)
 	not	cx
 	seg	es
 	  and	cx,WORD (bx+16)		; compression