mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-26 00:29:29 +00:00
sa: merge MB and ED versions
This commit is contained in:
Vince Weaver
parent
771e9fbd6c
commit
2d7a8d1374
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@ -5,11 +5,10 @@ TOKENIZE = ../asoft_basic-utils/tokenize_asoft
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all: still_alive.dsk
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still_alive.dsk: STILL_ALIVE TITLE.BAS ENDING SA_ED
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still_alive.dsk: STILL_ALIVE TITLE.BAS ENDING
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$(DOS33) -y still_alive.dsk BSAVE -a 0x0C00 STILL_ALIVE
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$(DOS33) -y still_alive.dsk BSAVE -a 0x2000 ENDING
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$(DOS33) -y still_alive.dsk SAVE A TITLE.BAS
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$(DOS33) -y still_alive.dsk BSAVE -a 0x0C00 SA_ED
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# $(DOS33) -y still_alive.dsk SAVE B GLADOS.HGR
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STILL_ALIVE: still_alive.o
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@ -19,21 +18,12 @@ still_alive.o: still_alive.s \
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../asm_routines/mockingboard.s \
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../asm_routines/lz4_decode.s \
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display_art.s display_lyrics.s \
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sa_ed.s duet.s SA.ED \
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ascii_art.inc \
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interrupt_handler.s \
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ascii_art.inc ascii_art_lz4.inc lyrics.inc zp.inc
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ca65 -o still_alive.o still_alive.s -l still_alive.lst
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SA_ED: sa_ed.o
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ld65 -o SA_ED sa_ed.o -C ../linker_scripts/apple2_c00.inc
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sa_ed.o: sa_ed.s \
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duet.s SA.ED \
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display_art.s display_lyrics.s \
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ascii_art.inc
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ca65 -o sa_ed.o sa_ed.s -l sa_ed.lst
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ENDING: ending.o
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ld65 -o ENDING ending.o -C ../linker_scripts/apple2_2000.inc
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@ -35,6 +35,7 @@ feature complete 40 col: 20180
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intial 80 col support: 20191
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80 col cursor: 20344
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strip out some unneeded text printing: 19962
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merge ED and MB code 24993
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Memory Map
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@ -57,7 +58,7 @@ Code: c00 - 8c00 32k
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Sound buffers: 5e00-9600 = 14k
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Plan:
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16k compressed Load at 32k? 8000
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16k compressed Load at 16k? 4000
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20k decompressed Decompress from 0c00 - 6000 or so
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@ -1,12 +1,6 @@
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; And Believe Me, I'm Still Alive
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; Electric Duet Code Path
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.include "zp.inc"
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;=============================
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; Setup
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;=============================
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jsr HOME
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jsr TEXT
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still_alive_ed:
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; init variables
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@ -20,8 +14,6 @@
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; clear both screens
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;===========================
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only_forty:
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; Clear text page0
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; jsr HOME
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@ -59,34 +51,8 @@ only_forty:
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; loop forever
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;==================
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forever_loop:
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jmp forever_loop
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forever_loop_ed:
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jmp forever_loop_ed
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;=========
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;routines
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;=========
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.include "../asm_routines/gr_offsets.s"
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;.include "../asm_routines/lz4_decode.s"
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.include "display_art.s"
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.include "display_lyrics.s"
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;.include "interrupt_handler.s"
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.include "duet.s"
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;=========
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; strings
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;=========
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lyrics:
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.include "sa.edlyrics"
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.include "ascii_art.inc"
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music_address:
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.incbin "SA.ED"
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317
still_alive/sa_mb.s
Normal file
317
still_alive/sa_mb.s
Normal file
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@ -0,0 +1,317 @@
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; program is ~16k, so from 0xc00 to 0x4C00
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UNPACK_BUFFER EQU $5E00 ; $5E00 - $9600, 14k, $3800
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; trying not to hit DOS at $9600
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; Reserve 3 chunks plus spare (14k)
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still_alive_mb:
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;=============================
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; Setup
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;=============================
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jsr HOME
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jsr TEXT
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; init variables
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lda #0
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sta DONE_PLAYING
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sta MB_CHUNK_OFFSET
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sta DECODE_ERROR
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sta LYRICS_ACTIVE
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; Testing, let's get 40col working first
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lda #0
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sta FORTYCOL
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jsr mockingboard_detect_slot4 ; call detection routine
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cpx #$1
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beq mockingboard_found
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; Not found.
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; Print a message for debugging?
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jmp forever_loop ; and wait forever
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mockingboard_found:
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;============================
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; Init the Mockingboard
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;============================
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jsr mockingboard_init
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jsr reset_ay_both
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jsr clear_ay_both
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;=========================
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; Setup Interrupt Handler
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;=========================
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; Vector address goes to 0x3fe/0x3ff
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; FIXME: should chain any existing handler
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lda #<interrupt_handler
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sta $03fe
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lda #>interrupt_handler
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sta $03ff
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;============================
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; Enable 50Hz clock on 6522
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;============================
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sei ; disable interrupts just in case
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lda #$40 ; Continuous interrupts, don't touch PB7
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sta $C40B ; ACR register
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lda #$7F ; clear all interrupt flags
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sta $C40E ; IER register (interrupt enable)
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lda #$C0
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sta $C40D ; IFR: 1100, enable interrupt on timer one oflow
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sta $C40E ; IER: 1100, enable timer one interrupt
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lda #$E7
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sta $C404 ; write into low-order latch
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lda #$4f
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sta $C405 ; write into high-order latch,
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; load both values into counter
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; clear interrupt and start counting
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; 4fe7 / 1e6 = .020s, 50Hz
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;===========================
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; clear both screens
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;===========================
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lda FORTYCOL
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bne only_forty
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switch_to_80:
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; Initialize 80 column firmware
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jsr $C300 ; same as PR#3
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sta SET80COL ; 80store C001
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; makes pageflip switch between
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; regular/aux memory
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only_forty:
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; Clear text page0
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jsr HOME
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;============================
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; Draw Lineart around edges
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;============================
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jsr setup_edges
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jsr HOME
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;==============================
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; Setup lyrics
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;==============================
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lda #<(lyrics)
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sta LYRICSL
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lda #>(lyrics)
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sta LYRICSH
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;==================
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; load song
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;==================
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jsr load_song
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;============================
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; Enable 6502 interrupts
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;============================
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cli ; clear interrupt mask
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;============================
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; Loop forever
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;============================
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main_loop:
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lda DECODE_ERROR
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beq check_copy
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sei
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brk ; panic if we had an error
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check_copy:
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lda COPY_TIME
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beq check_decompress ; if zero, skip
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lda #0
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sta COPY_OFFSET
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check_copy_loop:
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jsr page_copy ;6+3621
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inc COPY_OFFSET ; (opt: make subtract?) ; 5
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lda #14 ; NOT HEX URGH!
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cmp COPY_OFFSET
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bne check_copy_loop
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lda #0 ; we are done
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sta COPY_TIME
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check_decompress:
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lda DECOMPRESS_TIME
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beq check_done ; if zero, skip
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jsr setup_next_subsong ; decompress
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lda MB_CHUNK_OFFSET
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sta TIME_TAKEN
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lda #0
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sta DECOMPRESS_TIME
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check_done:
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lda DONE_PLAYING
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beq main_loop
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forever_loop:
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jmp forever_loop
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;=================
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; load our song
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;=================
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load_song:
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;=========================
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; Init Variables
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;=========================
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lda #$0
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sta COPY_OFFSET
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sta DECOMPRESS_TIME
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sta COPY_TIME
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sta MB_CHUNK_OFFSET
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lda #$20
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sta DECODER_STATE
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lda #3
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sta CHUNKSIZE
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; We buffer one frame so start out one frame behind
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lda #$ff
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sta FRAME_COUNT
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;===========================
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; Setup KRW file
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;===========================
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; Point LZ4 src at proper place
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ldy #0
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lda #>(LZ4_BUFFER+3)
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sta LZ4_SRC+1
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lda #<(LZ4_BUFFER+3)
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sta LZ4_SRC
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lda (LZ4_SRC),Y ; get header skip
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clc
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adc LZ4_SRC
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sta LZ4_SRC
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lda LZ4_SRC+1
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adc #0
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sta LZ4_SRC+1
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lda #<UNPACK_BUFFER ; set input pointer
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sta INL
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lda #>UNPACK_BUFFER
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sta INH
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; Decompress first chunks
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lda #$0
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sta COPY_OFFSET
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sta DECOMPRESS_TIME
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lda #$3
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sta CHUNKSIZE
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lda #$20
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sta DECODER_STATE
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sta COPY_TIME
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jsr setup_next_subsong
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rts
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;=================
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; next sub-song
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;=================
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setup_next_subsong:
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ldy #0
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lda (LZ4_SRC),Y ; get next size value
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sta LZ4_END
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iny
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lda (LZ4_SRC),Y
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sta LZ4_END+1
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lda #2 ; increment pointer
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clc
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adc LZ4_SRC
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sta LZ4_SRC
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lda LZ4_SRC+1
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adc #0
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sta LZ4_SRC+1
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jsr lz4_decode ; decode
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; tail-call?
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rts
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;==============================================
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; plan: takes 256 50Hz to play a chunk
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; need to copy 14 256-byte blocks
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; PLAY A (copying C)
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; PLAY B (copying C)
|
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; PLAY D (decompressing A/B/C)
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||||
|
||||
|
||||
;========================
|
||||
; page copy
|
||||
;========================
|
||||
; want to copy:
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; SRC: chunk_buffer+(2*256)+(COPY_OFFSET*3*256)
|
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; DST: chunk_buffer+$2A00+(COPY_OFFSET*256)
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page_copy:
|
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clc ; 2
|
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lda #>(UNPACK_BUFFER+512) ; 3
|
||||
adc COPY_OFFSET ; 3
|
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adc COPY_OFFSET ; 3
|
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adc COPY_OFFSET ; 3
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sta page_copy_loop+2 ; self modify ; 5
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||||
|
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lda #>(UNPACK_BUFFER+$2A00) ; 2
|
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adc COPY_OFFSET ; 3
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sta page_copy_loop+5 ; self modify ; 5
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ldx #$00 ; 2
|
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page_copy_loop:
|
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lda $1000,x ; 4
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sta $1000,X ; 5
|
||||
inx ; 2
|
||||
bne page_copy_loop ; 2nt/3
|
||||
rts ; 6
|
||||
;======================
|
||||
; 2+14*256+6+29= 3621
|
||||
|
||||
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||||
|
||||
|
||||
|
|
@ -1,316 +1,19 @@
|
|||
; And Believe Me, I'm Still Alive
|
||||
|
||||
.include "zp.inc"
|
||||
; program is ~16k, so from 0xc00 to 0x4C00
|
||||
UNPACK_BUFFER EQU $5E00 ; $5E00 - $9600, 14k, $3800
|
||||
; trying not to hit DOS at $9600
|
||||
; Reserve 3 chunks plus spare (14k)
|
||||
|
||||
;=============================
|
||||
; Setup
|
||||
;=============================
|
||||
jsr HOME
|
||||
jsr TEXT
|
||||
still_alive:
|
||||
jsr still_alive_mb
|
||||
jsr still_alive_ed
|
||||
|
||||
; init variables
|
||||
|
||||
lda #0
|
||||
sta DONE_PLAYING
|
||||
sta MB_CHUNK_OFFSET
|
||||
sta DECODE_ERROR
|
||||
sta LYRICS_ACTIVE
|
||||
|
||||
; Testing, let's get 40col working first
|
||||
lda #0
|
||||
sta FORTYCOL
|
||||
|
||||
jsr mockingboard_detect_slot4 ; call detection routine
|
||||
cpx #$1
|
||||
beq mockingboard_found
|
||||
|
||||
; Not found.
|
||||
; Print a message for debugging?
|
||||
jmp forever_loop ; and wait forever
|
||||
|
||||
mockingboard_found:
|
||||
|
||||
;============================
|
||||
; Init the Mockingboard
|
||||
;============================
|
||||
|
||||
jsr mockingboard_init
|
||||
jsr reset_ay_both
|
||||
jsr clear_ay_both
|
||||
|
||||
;=========================
|
||||
; Setup Interrupt Handler
|
||||
;=========================
|
||||
; Vector address goes to 0x3fe/0x3ff
|
||||
; FIXME: should chain any existing handler
|
||||
|
||||
lda #<interrupt_handler
|
||||
sta $03fe
|
||||
lda #>interrupt_handler
|
||||
sta $03ff
|
||||
|
||||
;============================
|
||||
; Enable 50Hz clock on 6522
|
||||
;============================
|
||||
|
||||
sei ; disable interrupts just in case
|
||||
|
||||
lda #$40 ; Continuous interrupts, don't touch PB7
|
||||
sta $C40B ; ACR register
|
||||
lda #$7F ; clear all interrupt flags
|
||||
sta $C40E ; IER register (interrupt enable)
|
||||
|
||||
lda #$C0
|
||||
sta $C40D ; IFR: 1100, enable interrupt on timer one oflow
|
||||
sta $C40E ; IER: 1100, enable timer one interrupt
|
||||
|
||||
lda #$E7
|
||||
sta $C404 ; write into low-order latch
|
||||
lda #$4f
|
||||
sta $C405 ; write into high-order latch,
|
||||
; load both values into counter
|
||||
; clear interrupt and start counting
|
||||
|
||||
; 4fe7 / 1e6 = .020s, 50Hz
|
||||
|
||||
|
||||
|
||||
|
||||
;===========================
|
||||
; clear both screens
|
||||
;===========================
|
||||
|
||||
lda FORTYCOL
|
||||
bne only_forty
|
||||
|
||||
switch_to_80:
|
||||
|
||||
; Initialize 80 column firmware
|
||||
jsr $C300 ; same as PR#3
|
||||
sta SET80COL ; 80store C001
|
||||
; makes pageflip switch between
|
||||
; regular/aux memory
|
||||
|
||||
only_forty:
|
||||
|
||||
; Clear text page0
|
||||
|
||||
jsr HOME
|
||||
|
||||
|
||||
;============================
|
||||
; Draw Lineart around edges
|
||||
;============================
|
||||
|
||||
jsr setup_edges
|
||||
|
||||
jsr HOME
|
||||
|
||||
;==============================
|
||||
; Setup lyrics
|
||||
;==============================
|
||||
|
||||
lda #<(lyrics)
|
||||
sta LYRICSL
|
||||
lda #>(lyrics)
|
||||
sta LYRICSH
|
||||
|
||||
|
||||
;==================
|
||||
; load song
|
||||
;==================
|
||||
|
||||
jsr load_song
|
||||
|
||||
;============================
|
||||
; Enable 6502 interrupts
|
||||
;============================
|
||||
|
||||
cli ; clear interrupt mask
|
||||
|
||||
|
||||
;============================
|
||||
; Loop forever
|
||||
;============================
|
||||
main_loop:
|
||||
lda DECODE_ERROR
|
||||
beq check_copy
|
||||
sei
|
||||
brk ; panic if we had an error
|
||||
|
||||
|
||||
check_copy:
|
||||
lda COPY_TIME
|
||||
beq check_decompress ; if zero, skip
|
||||
|
||||
lda #0
|
||||
sta COPY_OFFSET
|
||||
check_copy_loop:
|
||||
jsr page_copy ;6+3621
|
||||
|
||||
inc COPY_OFFSET ; (opt: make subtract?) ; 5
|
||||
|
||||
lda #14 ; NOT HEX URGH!
|
||||
cmp COPY_OFFSET
|
||||
bne check_copy_loop
|
||||
|
||||
lda #0 ; we are done
|
||||
sta COPY_TIME
|
||||
|
||||
check_decompress:
|
||||
lda DECOMPRESS_TIME
|
||||
beq check_done ; if zero, skip
|
||||
|
||||
jsr setup_next_subsong ; decompress
|
||||
|
||||
lda MB_CHUNK_OFFSET
|
||||
sta TIME_TAKEN
|
||||
|
||||
lda #0
|
||||
sta DECOMPRESS_TIME
|
||||
|
||||
|
||||
check_done:
|
||||
lda DONE_PLAYING
|
||||
beq main_loop
|
||||
|
||||
forever_loop:
|
||||
jmp forever_loop
|
||||
|
||||
|
||||
|
||||
;=================
|
||||
; load our song
|
||||
;=================
|
||||
|
||||
load_song:
|
||||
|
||||
;=========================
|
||||
; Init Variables
|
||||
;=========================
|
||||
|
||||
lda #$0
|
||||
sta COPY_OFFSET
|
||||
sta DECOMPRESS_TIME
|
||||
sta COPY_TIME
|
||||
sta MB_CHUNK_OFFSET
|
||||
lda #$20
|
||||
sta DECODER_STATE
|
||||
lda #3
|
||||
sta CHUNKSIZE
|
||||
|
||||
; We buffer one frame so start out one frame behind
|
||||
lda #$ff
|
||||
sta FRAME_COUNT
|
||||
|
||||
|
||||
;===========================
|
||||
; Setup KRW file
|
||||
;===========================
|
||||
|
||||
; Point LZ4 src at proper place
|
||||
|
||||
ldy #0
|
||||
lda #>(LZ4_BUFFER+3)
|
||||
sta LZ4_SRC+1
|
||||
lda #<(LZ4_BUFFER+3)
|
||||
sta LZ4_SRC
|
||||
|
||||
lda (LZ4_SRC),Y ; get header skip
|
||||
clc
|
||||
adc LZ4_SRC
|
||||
sta LZ4_SRC
|
||||
lda LZ4_SRC+1
|
||||
adc #0
|
||||
sta LZ4_SRC+1
|
||||
|
||||
lda #<UNPACK_BUFFER ; set input pointer
|
||||
sta INL
|
||||
lda #>UNPACK_BUFFER
|
||||
sta INH
|
||||
|
||||
; Decompress first chunks
|
||||
|
||||
lda #$0
|
||||
sta COPY_OFFSET
|
||||
sta DECOMPRESS_TIME
|
||||
lda #$3
|
||||
sta CHUNKSIZE
|
||||
lda #$20
|
||||
sta DECODER_STATE
|
||||
sta COPY_TIME
|
||||
|
||||
jsr setup_next_subsong
|
||||
|
||||
rts
|
||||
|
||||
;=================
|
||||
; next sub-song
|
||||
;=================
|
||||
setup_next_subsong:
|
||||
|
||||
ldy #0
|
||||
|
||||
lda (LZ4_SRC),Y ; get next size value
|
||||
sta LZ4_END
|
||||
iny
|
||||
lda (LZ4_SRC),Y
|
||||
sta LZ4_END+1
|
||||
|
||||
lda #2 ; increment pointer
|
||||
clc
|
||||
adc LZ4_SRC
|
||||
sta LZ4_SRC
|
||||
lda LZ4_SRC+1
|
||||
adc #0
|
||||
sta LZ4_SRC+1
|
||||
|
||||
jsr lz4_decode ; decode
|
||||
|
||||
; tail-call?
|
||||
|
||||
rts
|
||||
|
||||
;==============================================
|
||||
; plan: takes 256 50Hz to play a chunk
|
||||
; need to copy 14 256-byte blocks
|
||||
; PLAY A (copying C)
|
||||
; PLAY B (copying C)
|
||||
; PLAY D (decompressing A/B/C)
|
||||
|
||||
|
||||
;========================
|
||||
; page copy
|
||||
;========================
|
||||
; want to copy:
|
||||
; SRC: chunk_buffer+(2*256)+(COPY_OFFSET*3*256)
|
||||
; DST: chunk_buffer+$2A00+(COPY_OFFSET*256)
|
||||
page_copy:
|
||||
clc ; 2
|
||||
lda #>(UNPACK_BUFFER+512) ; 3
|
||||
adc COPY_OFFSET ; 3
|
||||
adc COPY_OFFSET ; 3
|
||||
adc COPY_OFFSET ; 3
|
||||
sta page_copy_loop+2 ; self modify ; 5
|
||||
|
||||
lda #>(UNPACK_BUFFER+$2A00) ; 2
|
||||
adc COPY_OFFSET ; 3
|
||||
sta page_copy_loop+5 ; self modify ; 5
|
||||
|
||||
ldx #$00 ; 2
|
||||
page_copy_loop:
|
||||
lda $1000,x ; 4
|
||||
sta $1000,X ; 5
|
||||
inx ; 2
|
||||
bne page_copy_loop ; 2nt/3
|
||||
rts ; 6
|
||||
;======================
|
||||
; 2+14*256+6+29= 3621
|
||||
;==========
|
||||
; main code
|
||||
;==========
|
||||
|
||||
.include "sa_mb.s"
|
||||
.include "sa_ed.s"
|
||||
|
||||
;=========
|
||||
;routines
|
||||
|
|
@ -324,6 +27,8 @@ page_copy_loop:
|
|||
|
||||
.include "interrupt_handler.s"
|
||||
|
||||
.include "duet.s"
|
||||
|
||||
;=========
|
||||
; strings
|
||||
;=========
|
||||
|
|
@ -332,8 +37,14 @@ page_copy_loop:
|
|||
lyrics:
|
||||
.include "lyrics.inc"
|
||||
|
||||
lyrics_ed:
|
||||
.include "sa.edlyrics"
|
||||
|
||||
.include "ascii_art.inc"
|
||||
|
||||
LZ4_BUFFER:
|
||||
.incbin "SA.KR4"
|
||||
|
||||
music_address:
|
||||
.incbin "SA.ED"
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user