From a619c0055f83264a7c83414c75a746230263b319 Mon Sep 17 00:00:00 2001
From: cpg <cpg@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Sun, 3 Dec 2000 21:40:07 +0000
Subject: [PATCH] removed special mouse memory handling, it's now done by the
 mouse routines' constructor

git-svn-id: svn://svn.cc65.org/cc65/trunk@536 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 libsrc/atari/crt0.s | 43 +++++++++++++------------------------------
 1 file changed, 13 insertions(+), 30 deletions(-)

diff --git a/libsrc/atari/crt0.s b/libsrc/atari/crt0.s
index f311f5d26..c55ad1eeb 100644
--- a/libsrc/atari/crt0.s
+++ b/libsrc/atari/crt0.s
@@ -9,11 +9,6 @@
 ; This must be the *first* file on the linker command line
 ;
 
-RESERVE_MOUSE_MEMORY	= 1	; for P/M
-
-.ifdef RESERVE_MOUSE_MEMORY
-	.export		mouse_pm0
-.endif
 	.export		_exit
 	.import		getargs, argc, argv
 	.import		initlib, donelib
@@ -100,11 +95,22 @@ L1:	lda	sp,x
 
 	jsr	getmemtop	; adjust for graphics mode to use
 
-	sta	sp
+;	sta	sp
 	sta	APPMHI
-	stx	sp+1		; Set argument stack ptr
+;	stx	sp+1		; Set argument stack ptr
 	stx	APPMHI+1
 
+; Call module constructors
+
+	jsr	initlib
+
+; setup sp
+
+	lda	APPMHI
+	sta	sp
+	lda	APPMHI+1
+	sta	sp+1
+
 ; set left margin to 0
 
 	lda	LMARGN
@@ -118,10 +124,6 @@ L1:	lda	sp,x
 	stx	old_shflok
 	sta	SHFLOK
 
-; Call module constructors
-
-	jsr	initlib
-
 ; Initialize conio stuff
 
 	lda	#$FF
@@ -214,27 +216,11 @@ L2:	lda	zpsave,x
 	sbc	grmemusage+1,y
 	tax
 	pla
-.ifdef RESERVE_MOUSE_MEMORY
-
-adj_mouse:
-	txa			; get upper byte of address
-	and	#%11111000	; make 2k aligned
-	sec
-	sbc	#%00001000	; reserve 2k
-	tax
-	adc	#3		; add 4 (C = 1)
-	sta	mouse_pm0
-	lda	#0
-.endif
 	rts
 
 ignore:	lda	MEMTOP
 	ldx	MEMTOP+1
-.ifdef RESERVE_MOUSE_MEMORY
-	bne	adj_mouse
-.else
 	rts
-.endif
 
 .endproc
 
@@ -300,9 +286,6 @@ spsave:		.res	1
 appmsav:	.res	1
 old_shflok:	.res	1
 old_lmargin:	.res	1
-.ifdef RESERVE_MOUSE_MEMORY
-mouse_pm0:	.res	1
-.endif
 
 	.segment "AUTOSTRT"
 	.word	$02E0
-- 
2.39.5