chiptune_player: reads in the KRW file

asm_routines/dos33_routines.s

@@ -3,11 +3,9 @@
 
 ; FIXME: make these a parameter
 ; filename
-;disk_buff	EQU	$6000
-;read_size	EQU	$2A00	; (3*256*14)
 
-disk_buff	EQU	$4000
+disk_buff	EQU	$2000
-read_size	EQU	$1000	; 4kB
+read_size	EQU	$4000	; 16kB
 
 ;; For the disk-read code
 ;RWTSL		EQU $F0
@@ -40,7 +38,8 @@ FILEMANAGER        EQU $3D6
 	;================================
 	; read from disk
 	;================================
-	;
+	; FILENAME pointed to by INH:INL
+	;	OUTH:OUTL trashed
 	;
 read_file:
 	jsr     LOCATE_FILEM_PARAM  	; $3DC entry point
@@ -54,6 +53,30 @@ read_file:
 ;	lda	#0			; 0 = text
 ;	sta	(FILEML),y
 
+
+	; copy filename into place
+	ldy	#0
+	lda	#<filename		; combine with below? (filename-8?)
+	sta	OUTL
+	lda	#>filename
+	sta	OUTH
+
+filename_copy_loop:
+	lda	(INL),y			; load byte
+	beq	filename_pad_spaces	; if zero, done
+	ora	#$80			; convert to apple ascii
+	sta	(OUTL),y		; store out
+	iny
+	bne	filename_copy_loop
+
+filename_pad_spaces:
+	lda	#$A0			; filename needs ' ' padded
+	sta	(OUTL),y
+	iny
+	cpy	#31			; fill 30 bytes
+	bne	filename_pad_spaces
+
+
 	ldy	#8			; filename ptr offset = 8
 	lda	#<filename
 	sta	(FILEML),y
@@ -243,8 +266,8 @@ dos33_read:
 
 filename:
 ; OUT.0
-.byte 'O'+$80,'U'+$80,'T'+$80,'.'+$80,'L'+$80
+.byte 'I'+$80,'N'+$80,'T'+$80,'R'+$80,'O'+$80
-.byte 'Z'+$80,'4'+$80,$A0,$A0,$A0
+.byte '2'+$80,'.'+$80,'K'+$80,'R'+$80,'W'+$80
 .byte $A0,$A0,$A0,$A0,$A0
 .byte $A0,$A0,$A0,$A0,$A0
 .byte $A0,$A0,$A0,$A0,$A0

chiptune_player/Makefile

@@ -7,8 +7,8 @@ all:	chiptune_player.dsk
 
 chiptune_player.dsk:	CHIPTUNE_PLAYER OUT.0
 	$(DOS33) -y chiptune_player.dsk BSAVE -a 0x1000 CHIPTUNE_PLAYER
-	$(DOS33) -y chiptune_player.dsk SAVE B OUT.0
+	$(DOS33) -y chiptune_player.dsk SAVE B INTRO2.KRW
-	$(DOS33) -y chiptune_player.dsk SAVE B OUT.LZ4
+#	$(DOS33) -y chiptune_player.dsk SAVE B OUT.LZ4
 #	$(DOS33) -y chiptune_player.dsk BSAVE -a 0x6000 OUT.0
 
 

chiptune_player/chiptune_player.s

@@ -2,8 +2,8 @@
 
 .include	"zp.inc"
 
-LZ4_BUFFER	EQU	$4000
+LZ4_BUFFER	EQU	$2000		; 16k for now, FIXME: expand
-CHUNK_BUFFER	EQU	$6000
+CHUNK_BUFFER	EQU	$6000		; 10.5k, $2A00
 CHUNKSIZE	EQU	$3
 
 	;=============================
@@ -322,7 +322,7 @@ new_song:
 
 	jsr	clear_bottoms		; clear bottom of page 0/1
 
-	lda	#0
+	lda	#0			; print LOADING message
 	sta	CH
 	lda	#21
 	sta	CV
@@ -338,6 +338,10 @@ new_song:
 	; init pointer to the music
 	;===========================
 
+	lda	#<krw_file
+	sta	INL
+	lda	#>krw_file
+	sta	INH
 
 	jsr	read_file
 
@@ -358,11 +362,11 @@ new_song:
 
 	jsr	clear_bottoms		; clear bottom of page 0/1
 
-	lda     #<file_info
+;	lda	#<file_info
-        sta     OUTL
+;	sta	OUTL
-        lda     #>file_info
+;	lda	#>file_info
-        sta     OUTH
+;	sta	OUTH
-	ldy	#0
+;	ldy	#0
 
 ; FIXME: optimize
 
@@ -424,6 +428,12 @@ bloop3:
 
 	rts
 
+;==========
+; filenames
+;==========
+krw_file:
+	.asciiz "INTRO2.KRW"
+
 ;=========
 ;routines
 ;=========
@@ -440,17 +450,6 @@ bloop3:
 .include	"rasterbars.s"
 .include	"volume_bars.s"
 
-;===========
-; File info
-;===========
-file_info:
-.byte	1
-.asciiz	"INTRO2: JUNGAR OF BIT WORLD FROM KIEV"
-.byte	5
-.asciiz	"BY: SURGEON (ALEKSEY LUTSENKO)"
-.byte	15
-.asciiz "0:00 / 0:00"
-
 ;=========
 ; strings
 ;=========