tiny_tracker: make tiny tracker

This commit is contained in:
Vince Weaver 2021-11-04 17:19:21 -04:00
parent ad9b1b81af
commit 8b4da6c460
19 changed files with 1632 additions and 56 deletions

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include ../../Makefile.inc
DOS33 = ../../utils/dos33fs-utils/dos33
EMPTY_DISK = ../../empty_disk
HGR2PNG = ../../utils/hgr-utils/png2hgr
LINKER_SCRIPTS = ../../linker_scripts
TOKENIZE = ../../utils/asoft_basic-utils/tokenize_asoft
all: tiny_tracker.dsk text_to_tiny
tiny_tracker.dsk: HELLO PEASANT
cp $(EMPTY_DISK)/empty.dsk ./tiny_tracker.dsk
$(DOS33) -y tiny_tracker.dsk SAVE A HELLO
$(DOS33) -y tiny_tracker.dsk -t BIN -a 0x2000 BSAVE PEASANT
####
HELLO: hello.bas
$(TOKENIZE) < hello.bas > HELLO
####
YANKEE: yankee.o
ld65 -o YANKEE yankee.o -C $(LINKER_SCRIPTS)/apple2_2000.inc
yankee.o: yankee.s \
zp.inc hardware.inc \
yankee_music.s \
interrupt_handler.s mockingboard_setup.s
ca65 -o yankee.o yankee.s -l yankee.lst
####
PEASANT: peasant.o
ld65 -o PEASANT peasant.o -C $(LINKER_SCRIPTS)/apple2_2000.inc
peasant.o: peasant.s \
zp.inc hardware.inc \
peasant_music.s \
interrupt_handler.s mockingboard_setup.s
ca65 -o peasant.o peasant.s -l peasant.lst
####
text_to_tiny: text_to_tiny.o
$(CC) -o text_to_tiny text_to_tiny.o -lm
text_to_tiny.o: text_to_tiny.c
$(CC) $(CFLAGS) -c text_to_tiny.c
####
clean:
rm -f *~ *.o *.lst YANKEE PEASANT HELLO text_to_tiny

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;; HARDWARE LOCATIONS
KEYPRESS = $C000
KEYRESET = $C010
;; SOFT SWITCHES
CLR80COL = $C000 ; PAGE0/PAGE1 normal
SET80COL = $C001 ; PAGE0/PAGE1 switches PAGE0 in Aux instead
EIGHTYCOLOFF = $C00C
EIGHTYCOLON = $C00D
SPEAKER = $C030
SET_GR = $C050
SET_TEXT = $C051
FULLGR = $C052
TEXTGR = $C053
PAGE0 = $C054
PAGE1 = $C055
LORES = $C056 ; Enable LORES graphics
HIRES = $C057 ; Enable HIRES graphics
AN3 = $C05E ; Annunciator 3
PADDLE_BUTTON0 = $C061
PADDL0 = $C064
PTRIG = $C070
;; BASIC ROUTINES
NORMAL = $F273
;; MONITOR ROUTINES
HLINE = $F819 ;; HLINE Y,$2C at A
VLINE = $F828 ;; VLINE A,$2D at Y
CLRSCR = $F832 ;; Clear low-res screen
CLRTOP = $F836 ;; clear only top of low-res screen
SETGR = $FB40 ;; GR
SETCOL = $F864 ;; COLOR=A
TEXT = $FB36
TABV = $FB5B ;; VTAB to A
BELL = $FBDD ;; ring the bell
BASCALC = $FBC1 ;;
VTAB = $FC22 ;; VTAB to CV
HOME = $FC58 ;; Clear the text screen
WAIT = $FCA8 ;; delay 1/2(26+27A+5A^2) us
CROUT1 = $FD8B
SETINV = $FE80 ;; INVERSE
SETNORM = $FE84 ;; NORMAL
COUT = $FDED ;; output A to screen
COUT1 = $FDF0 ;; output A to screen
COLOR_BLACK = 0
COLOR_RED = 1
COLOR_DARKBLUE = 2
COLOR_PURPLE = 3
COLOR_DARKGREEN = 4
COLOR_GREY = 5
COLOR_MEDIUMBLUE = 6
COLOR_LIGHTBLUE = 7
COLOR_BROWN = 8
COLOR_ORANGE = 9
COLOR_GREY2 = 10
COLOR_PINK = 11
COLOR_LIGHTGREEN = 12
COLOR_YELLOW = 13
COLOR_AQUA = 14
COLOR_WHITE = 15
COLOR_BOTH_BLACK = $00
COLOR_BOTH_RED = $11
COLOR_BOTH_DARKBLUE = $22
COLOR_BOTH_DARKGREEN = $44
COLOR_BOTH_GREY = $55
COLOR_BOTH_MEDIUMBLUE = $66
COLOR_BOTH_LIGHTBLUE = $77
COLOR_BOTH_BROWN = $88
COLOR_BOTH_ORANGE = $99
COLOR_BOTH_PINK = $BB
COLOR_BOTH_LIGHTGREEN = $CC
COLOR_BOTH_YELLOW = $DD
COLOR_BOTH_AQUA = $EE
COLOR_BOTH_WHITE = $FF

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5 HOME
10 PRINT CHR$(4);"CATALOG"

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;================================
;================================
; mockingboard interrupt handler
;================================
;================================
; On Apple II/6502 the interrupt handler jumps to address in 0xfffe
; This is in the ROM, which saves the registers
; on older IIe it saved A to $45 (which could mess with DISK II)
; newer IIe doesn't do that.
; It then calculates if it is a BRK or not (which trashes A)
; Then it sets up the stack like an interrupt and calls 0x3fe
; Note: the IIc is much more complicated
; its firmware tries to decode the proper source
; based on various things, including screen hole values
; we bypass that by switching out ROM and replacing the
; $fffe vector with this, but that does mean we have
; to be sure status flag and accumulator set properly
interrupt_handler:
php ; save status flags
cld ; clear decimal mode
pha ; save A ; 3
; A is saved in $45 by firmware
txa
pha ; save X
tya
pha ; save Y
inc $0404 ; debug (flashes char onscreen)
ay3_irq_handler:
bit MOCK_6522_T1CL ; clear 6522 interrupt by reading T1C-L ; 4
; see if still counting down
lda SONG_COUNTDOWN
bpl done_update_song
try_again:
ldy SONG_OFFSET
set_notes_loop:
; see if hit end
lda (SONG_L),Y
cmp #$FF
bne all_ok
; if at end, reset
lda #0
sta SONG_OFFSET
beq try_again
all_ok:
; see if note
tax
and #$C0
cmp #$C0
bne note_only
; was timing
txa
and #$3f
sta SONG_COUNTDOWN
iny
sty SONG_OFFSET
jmp done_update_song
note_only:
txa
; CCOONNNN -- c=channel, o=octave, n=note
; FIXME: OONNNNCC instead?
pha
lsr
lsr
lsr
lsr
lsr
and #$FE
sta out_smc+1
pla
and #$3F
tax
lda frequency_lookup,X
sty y_smc+1
out_smc:
ldx #$00
jsr ay3_write_reg ; trashes A/X/Y
; set coarse note A (assume 0)
; could get extra octave by putting 1 here
y_smc:
ldy #0
iny
jmp set_notes_loop
done_update_song:
dec SONG_COUNTDOWN
;=================================
; Finally done with this interrupt
;=================================
done_ay3_irq_handler:
pla
tay ; restore Y
pla
tax ; restore X
pla ; restore a ; 4
; on II+/IIe (but not IIc) we need to do this?
interrupt_smc:
lda $45 ; restore A
plp ; restore flags
rti ; return from interrupt ; 6
;============
; typical
; ???? cycles

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; Mockingboad programming:
; + Has two 6522 I/O chips connected to two AY-3-8910 chips
; + Optionally has some speech chips controlled via the outport on the AY
; + Often in slot 4
; TODO: how to auto-detect?
; References used:
; http://macgui.com/usenet/?group=2&id=8366
; 6522 Data Sheet
; AY-3-8910 Data Sheet
;========================
; Mockingboard card
; Essentially two 6522s hooked to the Apple II bus
; Connected to AY-3-8910 chips
; PA0-PA7 on 6522 connected to DA0-DA7 on AY
; PB0 on 6522 connected to BC1
; PB1 on 6522 connected to BDIR
; PB2 on 6522 connected to RESET
; left speaker
MOCK_6522_ORB1 = $C400 ; 6522 #1 port b data
MOCK_6522_ORA1 = $C401 ; 6522 #1 port a data
MOCK_6522_DDRB1 = $C402 ; 6522 #1 data direction port B
MOCK_6522_DDRA1 = $C403 ; 6522 #1 data direction port A
MOCK_6522_T1CL = $C404 ; 6522 #1 t1 low order latches
MOCK_6522_T1CH = $C405 ; 6522 #1 t1 high order counter
MOCK_6522_T1LL = $C406 ; 6522 #1 t1 low order latches
MOCK_6522_T1LH = $C407 ; 6522 #1 t1 high order latches
MOCK_6522_T2CL = $C408 ; 6522 #1 t2 low order latches
MOCK_6522_T2CH = $C409 ; 6522 #1 t2 high order counters
MOCK_6522_SR = $C40A ; 6522 #1 shift register
MOCK_6522_ACR = $C40B ; 6522 #1 auxilliary control register
MOCK_6522_PCR = $C40C ; 6522 #1 peripheral control register
MOCK_6522_IFR = $C40D ; 6522 #1 interrupt flag register
MOCK_6522_IER = $C40E ; 6522 #1 interrupt enable register
MOCK_6522_ORANH = $C40F ; 6522 #1 port a data no handshake
; right speaker
MOCK_6522_ORB2 = $C480 ; 6522 #2 port b data
MOCK_6522_ORA2 = $C481 ; 6522 #2 port a data
MOCK_6522_DDRB2 = $C482 ; 6522 #2 data direction port B
MOCK_6522_DDRA2 = $C483 ; 6522 #2 data direction port A
; AY-3-8910 commands on port B
; RESET BDIR BC1
MOCK_AY_RESET = $0 ; 0 0 0
MOCK_AY_INACTIVE = $4 ; 1 0 0
MOCK_AY_READ = $5 ; 1 0 1
MOCK_AY_WRITE = $6 ; 1 1 0
MOCK_AY_LATCH_ADDR = $7 ; 1 1 1
;========================
;========================
; Mockingboard Init
;========================
;========================
mockingboard_init:
;=========================
; Initialize the 6522s
; set the data direction for all pins of PortA/PortB to be output
lda #$ff ; all output (1)
sta MOCK_6522_DDRB1 ; set for 6522 #1
sta MOCK_6522_DDRA1
sta MOCK_6522_DDRB2 ; set for 6522 #2
sta MOCK_6522_DDRA2
mockingboard_setup_interrupt:
;=========================
; Setup Interrupt Handler
;=========================
; NOTE: we don't support IIc as it's a hack
; traditionally Mockingboard on IIc was rare
;========================
; set up interrupt
; Vector address goes to 0x3fe/0x3ff
lda #<interrupt_handler
sta $03fe
lda #>interrupt_handler
sta $03ff
;============================
; Enable 50Hz clock on 6522
;============================
; Note, on Apple II the clock isn't 1MHz but is actually closer to
; roughly 1.023MHz, and every 65th clock is stretched (it's complicated)
; 9c40 / 1.023e6 = .040s, 25Hz
; 8534 / 1.023e6 = .033s, 30Hz
; 4fe7 / 1.023e6 = .020s, 50Hz
; 411a / 1.023e6 = .016s, 60Hz
; French Touch uses
; 4e20 / 1.000e6 = .020s, 50Hz, which assumes 1MHz clock freq
sei ; disable interrupts just in case
lda #$40 ; Continuous interrupts, don't touch PB7
sta MOCK_6522_ACR ; ACR register
lda #$7F ; clear all interrupt flags
sta MOCK_6522_IER ; IER register (interrupt enable)
lda #$C0
sta MOCK_6522_IFR ; IFR: 1100, enable interrupt on timer one oflow
sta MOCK_6522_IER ; IER: 1100, enable timer one interrupt
lda #$34
; lda #$E7
sta MOCK_6522_T1CL ; write into low-order latch
lda #$85
; lda #$4f
sta MOCK_6522_T1CH ; write into high-order latch,
; load both values into counter
; clear interrupt and start counting
;===================================
;===================================
; Reset Both AY-3-8910s
;===================================
;===================================
;===========================
; Reset Right/Left AY-3-8910
;===========================
lda #MOCK_AY_RESET
sta MOCK_6522_ORB1
sta MOCK_6522_ORB2
lda #MOCK_AY_INACTIVE
sta MOCK_6522_ORB1
sta MOCK_6522_ORB2
init_registers:
; init song data
lda #0
sta SONG_OFFSET
sta SONG_COUNTDOWN
; read 14 bytes from beginning of song to init
ldx #13
init_loop:
init_smc:
txa
tay
lda (SONG_L),Y
jsr ay3_write_reg ; trashes Y
dex
bne init_loop
; update SONG_L to point past the init
lda SONG_L
clc
adc #14
sta SONG_L
bcc no_oflo
inc SONG_H
no_oflo:
; create Frequency Table
ldx #12
make_freq_loop:
lda frequency_lookup,X
lsr
sta frequency_lookup+16,X
lsr
sta frequency_lookup+32,X
dex
bpl make_freq_loop
rts
;=====================
;=====================
;=====================
; ay3 write reg
;=====================
;=====================
;=====================
; writes to both chips (so same output to both Right/Left)
; address in X (preserved)
; value in A
; NOTE: it looks like you could interleave things to save bytes
; but technically this violates the AY-3-8910 spec sheet on
; finishing accesses in less than 10us (10 cycles)
ay3_write_reg:
pha
lda #MOCK_AY_LATCH_ADDR ; latch_address for PB1 ; 2
ldy #MOCK_AY_INACTIVE ; go inactive ; 2
stx MOCK_6522_ORA1 ; put address on PA1 ; 4
sta MOCK_6522_ORB1 ; latch_address on PB1 ; 4
sty MOCK_6522_ORB1 ; 4
stx MOCK_6522_ORA2 ; put address on PA2 ; 4
sta MOCK_6522_ORB2 ; latch_address on PB2 ; 4
sty MOCK_6522_ORB2 ; 4
pla
; value
sta MOCK_6522_ORA1 ; put value on PA1 ; 4
sta MOCK_6522_ORA2 ; put value on PA2 ; 4
lda #MOCK_AY_WRITE ; ; 2
sta MOCK_6522_ORB1 ; write on PB1 ; 4
sty MOCK_6522_ORB1 ; 4
sta MOCK_6522_ORB2 ; write on PB2 ; 4
sty MOCK_6522_ORB2 ; 4
rts
; starts at C4
frequency_lookup:
.byte $F4,$E6,$D9,$CD,$C1,$B7,$AC,$A3,$99,$91,$89,$81,$00
;.byte $00,$00,$00,$00
;.byte $7A,$73,$6C,$66,$60,$5B,$56,$51,$4C,$48,$44,$40,$00,$00,$00,$00
;.byte $3D,$39,$36,$33,$30,$2D,$2B,$28,$26,$24,$22,$20,$00,$00,$00,$00

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@ -0,0 +1,57 @@
; Tiny Mockingboard Player
; 514B -- Initial implementation
; 423B -- inline everything
; 400B -- put register init at end of song
; 381B -- generate the frequency table
SONG_L = $70
SONG_H = $71
SONG_OFFSET = $72
SONG_COUNTDOWN = $73
; proposed format
; CCOONNNN -- c=channel, o=octave, n=note
; 11LLLLLL -- L=length
; 11LLLLLL -- wait time
; by deater (Vince Weaver) <vince@deater.net>
; Zero Page
.include "zp.inc"
.include "hardware.inc"
;==========================================
tiny_music:
;===================
;
;===================
; Player Setup
lda #<peasant_song
sta SONG_L
lda #>peasant_song
sta SONG_H
; assume mockingboard in slot#4
jsr mockingboard_init
start_interrupts:
cli
forever:
jmp forever
.include "peasant_music.s"
.include "interrupt_handler.s"
; must be last
.include "mockingboard_setup.s"

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@ -15,7 +15,7 @@
' ENDHEADER
-------
' 0
0 C 2 3 ----- -----
0 C 2-- R---- R----
1 ----- ----- -----
2 ----- ----- -----
3 ----- ----- -----
@ -26,20 +26,20 @@
8 ----- ----- -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
C C 2 3 ----- -----
B R---- ----- -----
C C 2-- ----- -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
10 C 2 3 ----- -----
F R---- ----- -----
10 C 2-- ----- -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
14 C 2 3 ----- -----
13 R---- ----- -----
14 C 2-- ----- -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
18 C 2 3 ----- -----
17 R---- ----- -----
18 C 2-- ----- -----
19 ----- ----- -----
1A ----- ----- -----
1B ----- ----- -----
@ -50,19 +50,19 @@ F ----- ----- -----
20 ----- ----- -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
24 C 2 3 ----- -----
23 R---- ----- -----
24 C 2-- ----- -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
28 C 2 3 ----- -----
27 R---- ----- -----
28 C 2-- ----- -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2C C 2 3 ----- -----
2B R---- ----- -----
2C C 2-- ----- -----
2D ----- ----- -----
2E ----- ----- -----
2F ----- ----- -----
2F R---- ----- -----
' 0 again
0 C 2 3 ----- -----
1 ----- ----- -----
@ -75,19 +75,19 @@ F ----- ----- -----
8 ----- ----- -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
B R---- ----- -----
C C 2 3 ----- -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
F R---- ----- -----
10 C 2 3 ----- -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
13 R---- ----- -----
14 C 2 3 ----- -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
17 R---- ----- -----
18 C 2 3 ----- -----
19 ----- ----- -----
1A ----- ----- -----
@ -99,15 +99,15 @@ F ----- ----- -----
20 ----- ----- -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
23 R---- ----- -----
24 C 2 3 ----- -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
27 R---- ----- -----
28 C 2 3 ----- -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2B R---- ----- -----
2C C 2 3 ----- -----
2D ----- ----- -----
2E ----- ----- -----
@ -124,19 +124,19 @@ F ----- ----- -----
8 ----- ----- -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
B R---- ----- -----
C F 2 3 ----- -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
F R---- ----- -----
10 F 2 3 ----- -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
13 R---- ----- -----
14 F 2 3 ----- -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
17 R---- ----- -----
18 F 2 3 ----- -----
19 ----- ----- -----
1A ----- ----- -----
@ -148,15 +148,15 @@ F ----- ----- -----
20 ----- ----- -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
23 R---- ----- -----
24 F 2 3 ----- -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
27 R---- ----- -----
28 F 2 3 ----- -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2B R---- ----- -----
2C F 2 3 ----- -----
2D ----- ----- -----
2E ----- ----- -----
@ -173,19 +173,19 @@ F ----- ----- -----
8 ----- ----- -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
B R---- ----- -----
C G 2 3 ----- -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
F R---- ----- -----
10 G 2 3 ----- -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
13 R---- ----- -----
14 G 2 3 ----- -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
17 R---- ----- -----
18 G 2 3 ----- -----
19 ----- ----- -----
1A ----- ----- -----
@ -197,15 +197,15 @@ F ----- ----- -----
20 ----- ----- -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
23 R---- ----- -----
24 G 2 3 ----- -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
27 R---- ----- -----
28 G 2 3 ----- -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2B R---- ----- -----
2C G 2 3 ----- -----
2D ----- ----- -----
2E ----- ----- -----
@ -214,28 +214,28 @@ F ----- ----- -----
0 C 2 3 C 4 4 -----
1 ----- ----- -----
2 ----- ----- -----
3 ----- ----- -----
3 ----- R---- -----
4 ----- C 4 4 -----
5 ----- ----- -----
6 ----- ----- -----
7 ----- ----- -----
7 ----- R---- -----
8 ----- C 4 4 -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
B R---- R---- -----
C C 2 3 C 4 4 -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
F R---- R---- -----
10 C 2 3 C 4 4 -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
13 R---- R---- -----
14 C 2 3 C 4 4 -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
18 C 2 3 ----- -----
17 R---- ----- -----
18 C 2 3 R---- -----
19 ----- ----- -----
1A ----- ----- -----
1B ----- ----- -----
@ -246,19 +246,19 @@ F ----- ----- -----
20 ----- ----- -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
23 R---- ----- -----
24 C 2 3 ----- -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
27 R---- ----- -----
28 C 2 3 ----- -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2B R---- ----- -----
2C C 2 3 ----- -----
2D ----- ----- -----
2E ----- ----- -----
2F ----- ----- -----
2F R---- ----- -----
' 4
0 C 2 3 ----- -----
1 ----- ----- -----
@ -271,23 +271,23 @@ F ----- ----- -----
8 ----- G 4 3 -----
9 ----- ----- -----
A ----- ----- -----
B ----- ----- -----
B R---- R---- -----
C C 2 3 G 4 4 -----
D ----- ----- -----
E ----- ----- -----
F ----- ----- -----
F R---- R---- -----
10 C 2 3 G 4 3 -----
11 ----- ----- -----
12 ----- ----- -----
13 ----- ----- -----
13 R---- ----- -----
14 C 2 3 F 4 3 -----
15 ----- ----- -----
16 ----- ----- -----
17 ----- ----- -----
17 R---- R---- -----
18 C 2 3 F 4 4 -----
19 ----- ----- -----
1A ----- ----- -----
1B ----- ----- -----
1B ----- R---- -----
1C ----- F 4 3 -----
1D ----- ----- -----
1E ----- ----- -----
@ -295,15 +295,15 @@ F ----- ----- -----
20 ----- E 4 3 -----
21 ----- ----- -----
22 ----- ----- -----
23 ----- ----- -----
23 ----- R---- -----
24 C 2 3 E 4 4 -----
25 ----- ----- -----
26 ----- ----- -----
27 ----- ----- -----
27 R---- R---- -----
28 C 2 3 E 4 3 -----
29 ----- ----- -----
2A ----- ----- -----
2B ----- ----- -----
2B R---- ----- -----
2C C 2 3 F 4 3 -----
2D ----- ----- -----
2E ----- ----- -----

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@ -0,0 +1,596 @@
peasant_song:
; register init
.byte $00,$00,$00,$00,$00,$00 ; $00: A/B/C fine/coarse
.byte $00 ; $06
.byte $38 ; $07 mixer (ABC on)
.byte $0E,$0C,$0C ; $08 volume A/B/C
.byte $00,$00,$00,$00 ; $09
.byte $20 ; A = C 2
.byte $4C ; B = R--3
.byte $8C ; C = R--3
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $27 ; A = G 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $4C ; B = R--3
.byte $C4 ; L = 4
.byte $4C ; B = R--3
.byte $C4 ; L = 4
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $4C ; B = R--3
.byte $CB ; L = 11
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $C8 ; L = 8
.byte $47 ; B = G 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $45 ; B = F 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $45 ; B = F 4
.byte $C3 ; L = 3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $44 ; B = E 4
.byte $C3 ; L = 3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $44 ; B = E 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $4C ; B = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $44 ; B = E 4
.byte $C3 ; L = 3
.byte $0C ; A = R--3
.byte $C1 ; L = 1
.byte $20 ; A = C 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $CC ; L = 12
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $CC ; L = 12
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $C8 ; L = 8
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $42 ; B = D 4
.byte $C3 ; L = 3
.byte $42 ; B = D 4
.byte $C1 ; L = 1
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C3 ; L = 3
.byte $42 ; B = D 4
.byte $C3 ; L = 3
.byte $20 ; A = C 2
.byte $4A ; B = A#4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $4A ; B = A#4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $4A ; B = A#4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $42 ; B = D 4
.byte $C3 ; L = 3
.byte $42 ; B = D 4
.byte $C1 ; L = 1
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C4 ; L = 4
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $42 ; B = D 4
.byte $C3 ; L = 3
.byte $42 ; B = D 4
.byte $C1 ; L = 1
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $4A ; B = A#4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $4A ; B = A#4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $20 ; A = C 2
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $47 ; B = G 4
.byte $C2 ; L = 2
.byte $42 ; B = D 4
.byte $C4 ; L = 4
.byte $42 ; B = D 4
.byte $C2 ; L = 2
.byte $20 ; A = C 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $45 ; B = F 4
.byte $C2 ; L = 2
.byte $47 ; B = G 4
.byte $C2 ; L = 2
.byte $20 ; A = C 2
.byte $C2 ; L = 2
.byte $47 ; B = G 4
.byte $C2 ; L = 2
.byte $25 ; A = F 2
.byte $CC ; L = 12
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $CC ; L = 12
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $25 ; A = F 2
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $C8 ; L = 8
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $44 ; B = E 4
.byte $C4 ; L = 4
.byte $27 ; A = G 2
.byte $45 ; B = F 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $47 ; B = G 4
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $CC ; L = 12
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $C4 ; L = 4
.byte $20 ; A = C 2
.byte $FF

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@ -0,0 +1,372 @@
/* make music for tiny_music player */
#define VERSION "1.0"
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
// CCOONNNN -- c=channel, o=octave, n=note
int note_to_ed(char note, int flat, int sharp, int octave) {
int offset;
switch(note) {
case 'C': offset=0; break;
case 'D': offset=2; break;
case 'E': offset=4; break;
case 'F': offset=5; break;
case 'G': offset=7; break;
case 'A': offset=9; break;
case 'B': offset=11; break;
case 'R': offset=12; flat=0; sharp=0; octave=0; break;
default:
fprintf(stderr,"Unknown note %c\n",note);
return -1;
}
if (flat==1) offset--;
if (sharp==1) offset++;
if (sharp==2) offset+=2;
offset=((octave&0x3)<<4)|offset;
return offset;
}
static int debug=0;
static int octave_adjust=0;
static int line=0;
static int header_version=0;
struct note_type {
unsigned char which;
unsigned char note;
int sharp,flat;
int octave;
int len;
int enabled;
int freq;
int length;
int left;
int ed_freq;
};
static int get_note(char *string, int sp, struct note_type *n, int line) {
int freq;
int ch;
// fprintf(stderr,"VMW: Entering, sp=%d\n",sp);
/* Skip white space */
while((string[sp]==' ' || string[sp]=='\t')) sp++;
if (string[sp]=='\n') return -1;
/* return early if no change */
ch=string[sp];
// fprintf(stderr,"VMW: %d %d\n",ch,sp);
if (ch=='-') {
if (header_version==0) return sp+6;
else {
return sp+11;
}
}
/* get note info */
n->sharp=0;
n->flat=0;
n->ed_freq=0;
n->note=ch;
sp++;
if (string[sp]==' ') ;
else if (string[sp]=='#') n->sharp=1;
else if (string[sp]=='-') n->flat=1;
else if (string[sp]=='=') n->flat=2;
else {
fprintf(stderr,"Unknown note modifier %c, line %d:%d\n",
string[sp],line,sp);
fprintf(stderr,"String: %s\n",string);
}
// printf("Sharp=%d Flat=%d\n",n->sharp,n->flat);
sp++;
n->octave=string[sp]-'0';
sp++;
sp++;
n->len=string[sp]-'0';
sp++;
if (n->note!='-') {
freq=note_to_ed(n->note,n->flat,n->sharp,
n->octave+octave_adjust);
n->enabled=1;
n->length=0;
n->ed_freq=freq;
}
if (header_version==2) sp+=6;
return sp;
}
static int get_string(char *string, char *key, char *output, int strip_linefeed) {
char *found;
found=strstr(string,key);
found=found+strlen(key);
/* get rid of leading whitespace */
while(1) {
if ((*found==' ') || (*found=='\t')) found++;
else break;
}
strcpy(output,found);
/* remove trailing linefeed */
if (strip_linefeed) output[strlen(output)-1]=0;
return 0;
}
static void print_help(int just_version, char *exec_name) {
printf("\ntext_to_ed version %s by Vince Weaver <vince@deater.net>\n\n",VERSION);
if (just_version) exit(0);
printf("This created Electric Duet files\n\n");
printf("Usage:\n");
printf("\t%s [-h] [-v] [-d] [-o X] [-i X] textfile outbase\n\n",
exec_name);
printf("\t-h: this help message\n");
printf("\t-v: version info\n");
printf("\t-d: print debug messages\n");
printf("\t-o: Offset octave by X\n");
printf("\t-i: set second instrument to X\n");
exit(0);
}
int main(int argc, char **argv) {
char string[BUFSIZ];
char *result;
char *in_filename;
char temp[BUFSIZ];
FILE *in_file=NULL;
//int attributes=0;
int loop=0;
int sp,external_frequency,irq;
struct note_type a,b,c;
int copt;
char song_name[BUFSIZ];
char author_name[BUFSIZ];
char comments[BUFSIZ];
char *comments_ptr=comments;
unsigned char sharp_char[]=" #-=";
/* Parse command line arguments */
while ((copt = getopt(argc, argv, "dhvo:i:"))!=-1) {
switch (copt) {
case 'd':
/* Debug messages */
printf("Debug enabled\n");
debug=1;
break;
case 'h':
/* help */
print_help(0,argv[0]);
break;
case 'v':
/* version */
print_help(1,argv[0]);
break;
case 'o':
/* octave offset */
octave_adjust=atoi(optarg);
break;
default:
print_help(0,argv[0]);
break;
}
}
if (argv[optind]!=NULL) {
/* Open the input file */
if (argv[optind][0]=='-') {
in_file=stdin;
}
else {
in_filename=strdup(argv[optind]);
in_file=fopen(in_filename,"r");
if (in_file==NULL) {
fprintf(stderr,"Couldn't open %s\n",in_filename);
return -1;
}
}
}
/* Get the info for the header */
while(1) {
result=fgets(string,BUFSIZ,in_file);
if (result==NULL) break;
line++;
if (strstr(string,"ENDHEADER")) break;
if (strstr(string,"HEADER:")) {
get_string(string,"HEADER:",temp,1);
header_version=atoi(temp);
printf("Found header version %d\n",header_version);
}
if (strstr(string,"TITLE:")) {
get_string(string,"TITLE:",song_name,1);
}
if (strstr(string,"AUTHOR:")) {
get_string(string,"AUTHOR:",author_name,1);
}
if (strstr(string,"COMMENTS:")) {
get_string(string,"COMMENTS:",comments_ptr,0);
comments_ptr=&comments[strlen(comments)];
}
if (strstr(string,"FREQ:")) {
get_string(string,"FREQ:",temp,1);
external_frequency=atoi(temp);
}
if (strstr(string,"IRQ:")) {
get_string(string,"IRQ:",temp,1);
irq=atoi(temp);
}
if (strstr(string,"LOOP:")) {
get_string(string,"LOOP:",temp,1);
loop=atoi(temp);
}
}
a.which='A'; b.which='B'; c.which='C';
// algorithm
// get A,B,C
// int first=1;
// int a_last=0,b_last=0,same_count=0;
// int a_len=0,b_len=0,a_freq=0,b_freq=0;
int current_length=0;
int first=1;
printf("peasant_song:\n");
printf("; register init\n");
printf("\t.byte $00,$00,$00,$00,$00,$00 ; $00: A/B/C fine/coarse\n");
printf("\t.byte $00 ; $06\n");
printf("\t.byte $38 ; $07 mixer (ABC on)\n");
printf("\t.byte $0E,$0C,$0C ; $08 volume A/B/C\n");
printf("\t.byte $00,$00,$00,$00 ; $09\n");
printf("\n");
while(1) {
result=fgets(string,BUFSIZ,in_file);
if (result==NULL) break;
line++;
a.ed_freq=0;
b.ed_freq=0;
c.ed_freq=0;
a.length=0;
b.length=0;
c.length=0;
/* skip comments */
if (string[0]=='\'') continue;
if (string[0]=='-') continue;
if (string[0]=='*') continue;
sp=0;
/* Skip line number */
while((string[sp]!=' ' && string[sp]!='\t')) sp++;
sp=get_note(string,sp,&a,line);
if (sp!=-1) sp=get_note(string,sp,&b,line);
if (sp!=-1) sp=get_note(string,sp,&c,line);
if ((a.ed_freq!=0)||(b.ed_freq!=0)||(c.ed_freq!=0)) {
if (!first) {
printf("\t.byte $%02X ; L = %d\n",
current_length|0xc0,current_length);
printf("\n");
current_length=0;
}
first=0;
}
if (a.ed_freq!=0) {
printf("\t.byte $%02X ; A = %c%c%d\n",
a.ed_freq,
a.note,sharp_char[a.sharp+2*a.flat],
a.octave);
}
if (b.ed_freq!=0) {
printf("\t.byte $%02X ; B = %c%c%d\n",
b.ed_freq|0x40,
b.note,sharp_char[b.sharp+2*b.flat],
b.octave);
}
if (c.ed_freq!=0) {
printf("\t.byte $%02X ; C = %c%c%d\n",
c.ed_freq|0x80,
c.note,sharp_char[c.sharp+2*c.flat],
c.octave);
}
current_length++;
}
printf("\t.byte $FF\n");
(void) irq;
(void) loop;
(void) external_frequency;
return 0;
}

29
music/tiny_tracker/zp.inc Normal file
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; these need to be in zero page
; can we find a location that works?
PATTERN_L = $06
PATTERN_H = $07
ORNAMENT_L = $08
ORNAMENT_H = $09
SAMPLE_L = $0A
SAMPLE_H = $0B
MB_ADDR_L = $0C
MB_ADDR_H = $0D
; only used for title screen...
TEMP = $FA
TEMPY = $FB
;INL = $FC
;INH = $FD
;OUTL = $FE
;OUTH = $FF
; pre-defined applesoft vars
CH = $24
CV = $25
GBASL = $26
GBASH = $27
BASL = $28
BASH = $29