Move the initialization code from conio.s as constructor/destructor code

into the cgetc and cputc modules.
Fix color routines using additional snippets from MagerValp.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1789 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/c128/conio.s

@@ -4,45 +4,7 @@
 ; Low level stuff for screen output/console input
 ;
 
-   	.export		initconio, doneconio
 	.exportzp	CURS_X, CURS_Y
-	.import		xsize, ysize
 
 	.include	"c128.inc"
-	.include	"../cbm/cbm.inc"
-
-.bss
-keyvec:	.res	2
-
-
-.code
-
-initconio:
-
-	lda	#$80
-	sta	SCROLL
-
-; Save the old vector
-
-	lda	KeyStoreVec
-	sta	keyvec
-	lda	KeyStoreVec+1
-	sta	keyvec+1
-
-; Set the new vector. I can only hope that this works for other C128
-; versions...
-
-	lda	#<$C6B7
-	ldx	#>$C6B7
-
-SetVec:	sei
-	sta	KeyStoreVec
-	stx	KeyStoreVec+1
-	cli
-	rts
-
-doneconio:
-	lda	keyvec
-	ldx	keyvec+1
-	bne	SetVec