adapted to new parameters

git-svn-id: svn://svn.cc65.org/cc65/trunk@381 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/atari/dio_cts.s

@@ -7,14 +7,17 @@
 ; cylinder and head 0 and returns as sector number the
 ; sector number it got
 ;
-; _sectnum_t __fastcall__ _dio_chs_to_snum(unsigned int cyl, unsigned int head, unsigned int sector);
+; _sectnum_t __fastcall__ _dio_chs_to_snum(_dhandle_t handle,
-;
+;                                          unsigned int cyl,
-; _driveid_t - 8bit
+;                                          unsigned int head,
+;                                          unsigned int sector);
+; _dhandle_t - 16bit (ptr)
 ; _sectnum_t - 16bit
 ;
 
  	.export		__dio_chs_to_snum
-	.import		addsp4
+	.import		addsp4,popax
+	.importzp	ptr1
 	.include	"atari.inc"
 
 .proc	__dio_chs_to_snum
@@ -23,10 +26,26 @@
 	txa
 	pha
 	jsr	addsp4		; ignore other parameters
+
+	jsr	popax
+	sta	ptr1
+	stx	ptr1+1
+	ldy	#sst_flag
+	lda	(ptr1),y
+	and	#128
+	beq	_inv_hand	; handle not open or invalid
+
 	pla
 	tay
 	pla
 	rts
 
+_inv_hand:
+	pla
+	pla
+	ldx	#255
+	txa
+	rts
+
 .endproc
 

libsrc/atari/dio_stc.s

@@ -6,17 +6,19 @@
 ; on the Atari this function is a dummy, it returns
 ; cylinder and head 0 and as sector the sectnum it got
 ;
-; void __fastcall__ _dio_snum_to_chs(_sectnum_t sect_num,
+; void       __fastcall__ _dio_snum_to_chs(_dhandle_t handle,
+;                                          _sectnum_t sect_num,
 ;                                          unsigned int *cyl,
 ;                                          unsigned int *head,
 ;                                          unsigned int *sector);
+; _dhandle_t - 16bit (ptr)
 ; _sectnum_t - 16bit
 ;
 
  	.export		__dio_snum_to_chs
 	.include	"atari.inc"
 	.importzp	ptr1,ptr2
-	.import		popax
+	.import		popax,addsp2
 
 .proc	__dio_snum_to_chs
 
@@ -46,6 +48,8 @@
 	txa
 	sta	(ptr1),y
 
+	jsr	addsp2
+
 	rts
 
 .endproc