Moved the 'conio' files from 'geos-cbm' to 'geos-common' which are believed to work as-is on Apple GEOS too.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5486 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/geos-common/conio/_scrsize.s

@@ -0,0 +1,50 @@
+
+;
+; Maciej 'YTM/Elysium' Witkowiak
+;
+; Screen size variables
+;
+; 6.3.2001, 17.4.2003
+
+
+	.include 	"geossym.inc"
+
+	.export		xsize, ysize
+	.export		screensize
+	.importzp	cursor_r, cursor_c
+	.import		_cursor
+	.constructor	initscrsize
+                      
+.segment        "INIT"
+
+initscrsize:
+.ifdef  __GEOS_CBM__
+	lda	graphMode
+	bpl	L1
+	lda	#80		; 80 columns (more or less)
+	.byte	$2c
+L1:	lda	#40		; 40 columns (more or less)
+	sta	xsize
+	lda	#24		; something like that for Y size
+.else
+	lda	#70		; 70 columns (more or less)
+	sta	xsize
+	lda	#23		; something like that for Y size
+.endif
+	sta	ysize
+	ldx	#1
+	stx	cursor_r
+	dex
+	stx	cursor_c
+	txa
+	jmp	_cursor		; home and update cursor
+
+screensize:
+	ldx	xsize
+	ldy	ysize
+	rts
+
+.bss
+
+xsize: 	.res	1
+ysize:	.res	1