Added the hack for write() to make printf work

git-svn-id: svn://svn.cc65.org/cc65/trunk@907 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/c128/Makefile

@@ -21,7 +21,8 @@ OBJS =	_scrsize.o	\
      	cputc.o	       	\
      	kbhit.o	       	\
 	mouse.o		\
-	readjoy.o		 
+	readjoy.o	\
+	write.o
 
 all:   	$(OBJS)
 

libsrc/c128/mouse.s

@@ -13,7 +13,7 @@
 	.condes		MouseIRQ, 2
 
 	.import		_readjoy
-       	.import	       	popa, popax, addysp1
+       	.import	       	popax, addysp1
    	.importzp   	ptr1, sp, sreg
 
    	.include    	"c128.inc"
@@ -36,14 +36,10 @@ XCORR		= SPRITE_WIDTH
 
 ; --------------------------------------------------------------------------
 ;
-; unsigned char __fastcall__ mouse_init (unsigned char port,
+; unsigned char __fastcall__ mouse_init (unsigned char type);
-;					 unsigned char type);
 ;
 
 .proc	_mouse_init
-
-	jsr	popa			; Ignore type and port
-
        	lda    	Initialized		; Already initialized?
        	bne    	AlreadyInitialized	; Jump if yes
 

libsrc/c128/write.s

@@ -0,0 +1,47 @@
+;
+; Ullrich von Bassewitz, 30.05.1998
+;
+; int write (int fd, const void* buf, int count);
+;
+; THIS IS A HACK!
+;
+
+	.export		_write
+	.import		popax
+	.importzp	ptr1, ptr2, ptr3
+
+	.include 	"../cbm/cbm.inc"
+
+_write:	jsr	popax 		; get count
+       	sta    	ptr2
+	stx	ptr2+1		; save it for later
+	sta	ptr3
+	stx	ptr3+1		; save for function result
+	jsr	popax		; get buf
+	sta	ptr1
+	stx	ptr1+1
+	jsr	popax		; get fd and discard it
+
+L1:	lda	ptr2
+	ora	ptr2+1		; count zero?
+	beq	L9
+	ldy	#0
+	lda	(ptr1),y
+	jsr	BSOUT
+	inc	ptr1
+	bne	L2
+	inc	ptr1+1
+L2:	lda	ptr2
+	bne	L3
+	dec	ptr2
+	dec	ptr2+1
+	jmp	L1
+L3:	dec	ptr2
+	jmp	L1
+
+; No error, return count
+
+L9:   	lda	ptr3
+    	ldx	ptr3+1
+    	rts
+