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chiptune: more paramater prepwork

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This commit is contained in:
Vince Weaver 2018-02-24 17:28:10 -05:00
parent 21d183616e
commit e4d66a70b8
2 changed files with 7 additions and 7 deletions
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10
asm_routines/dos33_routines.s
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@ -1,12 +1,6 @@
; File I/O routines based on sample code in
; "Beneath Apple DOS" by Don Worth and Pieter Lechner
; FIXME: make these a parameter
; filename
disk_buff EQU $1C00
read_size EQU $4000 ; 16kB
;; For the disk-read code
;RWTSL EQU $F0
;RWTSH EQU $F1
@ -40,7 +34,9 @@ FILEMANAGER EQU $3D6
;================================
; FILENAME pointed to by INH:INL
; OUTH:OUTL trashed
;
; output buffer: disk_buff
; size to read: read_size
read_file:
jsr LOCATE_FILEM_PARAM ; $3DC entry point
; load file manager param list

4
chiptune_player/chiptune_player.s
View File

@ -8,6 +8,7 @@ UNPACK_BUFFER EQU $5E00 ; $5E00 - $9600, 14k, $3800
; Reserve 3 chunks plus spare (14k)
CHUNKSIZE EQU $3
;=============================
; Setup
;=============================
@ -245,6 +246,9 @@ new_song:
lda #>krw_file
sta INH
disk_buff EQU LZ4_BUFFER
read_size EQU $4000
jsr read_file ; read KRW file from disk