mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 15:29:34 +00:00
440 lines
5.3 KiB
ArmAsm
440 lines
5.3 KiB
ArmAsm
; VMW Chiptune Dumper
|
|
|
|
; for debug purposes prints the raw values to screen
|
|
; we re-route this to the printer in Slot #1 for debugging
|
|
|
|
.include "zp.inc"
|
|
.include "hardware.inc"
|
|
|
|
PT3_LOC = $4000
|
|
|
|
NUM_FILES = 15
|
|
|
|
|
|
;=============================
|
|
; Setup
|
|
;=============================
|
|
pt3_setup:
|
|
jsr HOME
|
|
jsr TEXT
|
|
|
|
|
|
; Init disk code
|
|
|
|
jsr rts_init
|
|
|
|
; init variables
|
|
|
|
lda #0
|
|
sta DRAW_PAGE
|
|
sta DONE_PLAYING
|
|
sta WHICH_FILE
|
|
|
|
; Set to 1MHz mode (no translate) for validation purposes
|
|
lda #$18
|
|
sta convert_177_smc1
|
|
sta convert_177_smc2
|
|
sta convert_177_smc3
|
|
sta convert_177_smc4
|
|
sta convert_177_smc5
|
|
|
|
|
|
;==================
|
|
; load first song
|
|
;==================
|
|
|
|
|
|
; Set COUT to the printer in PR#1
|
|
|
|
lda #$02
|
|
sta $36
|
|
lda #$C1
|
|
sta $37
|
|
|
|
jsr new_song
|
|
|
|
;============================
|
|
; Loop forever
|
|
;============================
|
|
main_loop:
|
|
|
|
jsr pt3_make_frame
|
|
|
|
lda FRAMEH
|
|
jsr PRBYTE
|
|
lda FRAMEL
|
|
jsr PRBYTE
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; A
|
|
lda #'A'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+1
|
|
jsr PRBYTE
|
|
lda AY_REGISTERS+0
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; B
|
|
lda #'B'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+3
|
|
jsr PRBYTE
|
|
lda AY_REGISTERS+2
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; C
|
|
lda #'C'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+5
|
|
jsr PRBYTE
|
|
lda AY_REGISTERS+4
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; N
|
|
lda #'N'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+6
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; M
|
|
lda #'M'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+7
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
jsr CROUT1
|
|
|
|
ldx #6
|
|
six_space:
|
|
lda #' '+$80
|
|
jsr COUT
|
|
dex
|
|
bne six_space
|
|
|
|
; A amp
|
|
lda #'V'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+8
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; B amp
|
|
lda #'V'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+9
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; C amp
|
|
lda #'V'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+10
|
|
jsr PRBYTE
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
lda #' '+$80
|
|
jsr COUT
|
|
|
|
; Envelope
|
|
lda #'E'+$80
|
|
jsr COUT
|
|
lda #':'+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+12
|
|
jsr PRBYTE
|
|
lda AY_REGISTERS+11
|
|
jsr PRBYTE
|
|
|
|
; Envelope type
|
|
lda #','+$80
|
|
jsr COUT
|
|
lda AY_REGISTERS+13
|
|
jsr PRBYTE
|
|
|
|
jsr CROUT1
|
|
|
|
inc FRAMEL
|
|
bne no_frame_oflo
|
|
inc FRAMEH
|
|
no_frame_oflo:
|
|
|
|
; STOP EARLY for DEBUGGING
|
|
|
|
; lda FRAMEL
|
|
; cmp #$A4
|
|
; bne checkcheck
|
|
; lda FRAMEH
|
|
; cmp #$1
|
|
; beq all_done
|
|
;checkcheck:
|
|
|
|
|
|
; check if end
|
|
lda DONE_SONG
|
|
bne all_done
|
|
jmp main_loop
|
|
|
|
all_done:
|
|
jmp all_done
|
|
|
|
|
|
|
|
|
|
;=================
|
|
; load a new song
|
|
;=================
|
|
|
|
new_song:
|
|
|
|
;=========================
|
|
; Init Variables
|
|
;=========================
|
|
|
|
; ?
|
|
|
|
|
|
;===========================
|
|
; Print loading message
|
|
;===========================
|
|
|
|
; lda #<loading_message
|
|
; sta OUTL
|
|
; lda #>loading_message
|
|
; sta OUTH
|
|
; jsr print_cout
|
|
|
|
|
|
;===========================
|
|
; Load in PT3 file
|
|
;===========================
|
|
|
|
jsr get_filename
|
|
|
|
; needs to be space-padded $A0 30-byte filename
|
|
|
|
lda #<readfile_filename
|
|
sta namlo
|
|
lda #>readfile_filename
|
|
sta namhi
|
|
|
|
ldy #0
|
|
ldx #30 ; 30 chars
|
|
name_loop:
|
|
lda (INL),Y
|
|
beq space_loop
|
|
ora #$80
|
|
sta (namlo),Y
|
|
iny
|
|
dex
|
|
bne name_loop
|
|
beq done_name_loop
|
|
space_loop:
|
|
lda #$a0 ; pad with ' '
|
|
sta (namlo),Y
|
|
iny
|
|
dex
|
|
bne space_loop
|
|
|
|
done_name_loop:
|
|
|
|
; open and read a file
|
|
; loads to whatever it was BSAVED at (default is $2000)
|
|
|
|
jsr read_file ; read PT3 file from disk
|
|
|
|
|
|
;=========================
|
|
; Print Info
|
|
;=========================
|
|
|
|
; NUL terminate the strings we want to print
|
|
lda #0
|
|
sta PT3_LOC+$3E
|
|
sta PT3_LOC+$62
|
|
|
|
; print title
|
|
|
|
lda #>(PT3_LOC+$1E) ; point to header title
|
|
sta OUTH
|
|
lda #<(PT3_LOC+$1E)
|
|
sta OUTL
|
|
|
|
jsr print_cout
|
|
|
|
jsr CROUT1
|
|
|
|
; Print Author
|
|
|
|
lda #>(PT3_LOC+$42) ; point to header title
|
|
sta OUTH
|
|
lda #<(PT3_LOC+$42)
|
|
sta OUTL
|
|
|
|
jsr print_cout
|
|
|
|
jsr CROUT1
|
|
jsr CROUT1
|
|
|
|
jsr pt3_init_song
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
;==================
|
|
; Get filename
|
|
;==================
|
|
; WHICH_FILE holds number
|
|
; MAX_FILES has max
|
|
; Scroll through until find
|
|
; point INH:INL to it
|
|
get_filename:
|
|
|
|
ldy #0
|
|
ldx WHICH_FILE
|
|
|
|
lda #<song_list ; point to filename
|
|
sta INL
|
|
lda #>song_list
|
|
sta INH
|
|
|
|
get_filename_loop:
|
|
cpx #0
|
|
beq filename_found
|
|
|
|
inner_loop:
|
|
iny
|
|
lda (INL),Y
|
|
bne inner_loop
|
|
|
|
iny
|
|
|
|
dex
|
|
jmp get_filename_loop
|
|
|
|
filename_found:
|
|
tya
|
|
clc
|
|
adc INL
|
|
sta INL
|
|
lda INH
|
|
adc #0
|
|
sta INH
|
|
|
|
rts
|
|
|
|
;===============================
|
|
; Increment file we want to load
|
|
;===============================
|
|
increment_file:
|
|
inc WHICH_FILE
|
|
lda WHICH_FILE
|
|
cmp #NUM_FILES
|
|
bne done_increment
|
|
lda #0
|
|
sta WHICH_FILE
|
|
done_increment:
|
|
rts
|
|
|
|
;===============================
|
|
; Decrement file we want to load
|
|
;===============================
|
|
decrement_file:
|
|
dec WHICH_FILE
|
|
bpl done_decrement
|
|
lda #(NUM_FILES-1)
|
|
sta WHICH_FILE
|
|
done_decrement:
|
|
rts
|
|
|
|
|
|
;===============
|
|
; print cout
|
|
;===============
|
|
print_cout:
|
|
ldy #0
|
|
cout_loop:
|
|
lda (OUTL),Y
|
|
beq cout_done
|
|
|
|
clc
|
|
adc #$80
|
|
jsr COUT
|
|
|
|
iny
|
|
jmp cout_loop
|
|
|
|
cout_done:
|
|
rts
|
|
|
|
|
|
|
|
FRAMEL: .byte $00
|
|
FRAMEH: .byte $00
|
|
|
|
|
|
|
|
;==========
|
|
; filenames
|
|
;==========
|
|
|
|
song_list:
|
|
|
|
; .asciiz "CR.PT3"
|
|
; .asciiz "EA.PT3"
|
|
.asciiz "RI.PT3"
|
|
|
|
;=========
|
|
;routines
|
|
;=========
|
|
.include "qkumba_rts.s"
|
|
.include "pt3_lib.s"
|
|
|
|
;============
|
|
; dummy vars
|
|
;============
|
|
|
|
pt3_loop_smc:
|