From: Nathaniel Wesley Filardo Date: Wed, 25 Aug 2010 08:58:43 +0000 (-0400) Subject: Batch of untested changes (eep!) X-Git-Url: https://hydra-www.ietfng.org/gitweb/?a=commitdiff_plain;ds=inline;p=acmetensortoys-chiptunes Batch of untested changes (eep!) --- diff --git a/Makefile b/Makefile index 02ad9c4..072902e 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,8 @@ -CPU_CPP_NAME=__AVR_ATmega88__ -CPU_CC_NAME=avr4 +CPU_CPP_NAME=__AVR_ATmega328__ +CPU_CC_NAME=atmega328p CPU_LD_NAME=avr4 + # Be sure to also adjust the values in target/script.ld + CPU_FREQUENCY=20000000 SAMPLE_RATE=16000 @@ -10,9 +12,10 @@ tracker/%: CFLAGS=-Wall -Wextra -Werror tracker/%: CC=gcc target/%: CPPFLAGS=-I. -D${CPU_CPP_NAME} -target/%: CFLAGS=-O2 -g -B/usr/avr/lib -Wall -Wextra -Werror -mmcu=${CPU_CC_NAME} +target/%: CFLAGS=-O2 -g -B/usr/avr/lib -Wall -Wextra -Werror -mmcu=${CPU_CC_NAME} \ + -Wl,-T -Wl,target/script.ld target/%: ASFLAGS=-mmcu=${CPU_CC_NAME} -target/%: LDFLAGS=-Tdata 0x800160 -M -m ${CPU_LD_NAME} +target/%: LDFLAGS=-M -T target/script.ld -m ${CPU_LD_NAME} target/%: CC=avr-gcc target/%: LD=avr-ld target/%: AS=avr-as @@ -30,9 +33,8 @@ progenv/gentimes.h: progenv/gentimes.pl progenv/gentimes.o: progenv/gentimes.h -.INTERMEDIATE: songs/%.h -songs/%.s songs/%.h : songs/%.song | progenv/tracker_optimize.pl - perl progenv/tracker_optimize.pl --optimize --packout=songs/$*.s --headout=songs/$*.h --packver=1 < $^ +songs/%.s : songs/%.song | progenv/tracker_optimize.pl + perl progenv/tracker_optimize.pl --optimize --packout=songs/$*.s --packver=1 < $^ # For use with e.g. "play --rate 16000 -b8 -L -c1 -e un -t raw" songs/%.raw : songs/%.song | tracker/tracker @@ -43,8 +45,8 @@ tracker/chip.o: progenv/gentimes.h tracker/tracker: tracker/main.o tracker/chip.o tracker/gui.o progenv/gentimes.o ${CC} ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} -o $@ $^ -target/%.o: target/main.c target/asm.S songs/%.s progenv/gentimes.c target/config.h | progenv/gentimes.h songs/%.h - ${CC} ${CPPFLAGS} ${CFLAGS} --include="songs/$*.h" -o $@ $^ +target/%.o: target/main.c target/hyperbola.c target/asm.S songs/%.s progenv/gentimes.c target/config.h | progenv/gentimes.h + ${CC} ${CPPFLAGS} ${CFLAGS} -funit-at-a-time --combine -o $@ $^ target/%.hex: target/%.o ${LD} ${LDFLAGS} --oformat ihex -o $@ $^ > target/mapfile @@ -53,7 +55,7 @@ target/%.da: target/%.o avr-objdump -S $^ > $@ clean: - rm -f songs/*.s songs/*.h songs/*.raw + rm -f songs/*.s songs/*.raw rm -f tracker/*.o tracker/tracker rm -f target/*.o target/mapfile target/*.hex rm -f progenv/gentimes.[ch] diff --git a/docs/packedformat.new b/docs/packedformat.new index ccbd953..1de4329 100644 --- a/docs/packedformat.new +++ b/docs/packedformat.new @@ -56,7 +56,7 @@ instrument: ccccpppppppp = command c, parameter p (for each cmd) - Note tht the reduction to 12 bits (from 16) doesn't destroy + Note that the reduction to 12 bits (from 16) doesn't destroy seekability, since we know that even commands begin on a byte boundary and odd begin on a byte-and-a-nibble boundary. @@ -71,10 +71,6 @@ instrument: expect to free up a little under 69 bytes then, or a little over four bytes per instrument on average.) - XXX Despite the gains, this restricts us from growing the command - vocabulary available to instruments. That might be OK, as there - seem to be few we actually want, but - track: 000 = blank line 100xxxxxxx = note x, instr 0 (last) diff --git a/progenv/tracker_optimize.pl b/progenv/tracker_optimize.pl index 357f7f6..4560e77 100644 --- a/progenv/tracker_optimize.pl +++ b/progenv/tracker_optimize.pl @@ -599,6 +599,61 @@ sub packout($$$$$$) { print $FH "songdata_end:\n"; } +sub packout_new($$$$$$) { + my ($FH, $v, $params, $asr, $atr, $air) = @_; + + my $psong = pack_song($v, $params, $asr); + my $ptrks = pack_tracks($v, $params, $atr); + my $pinss = pack_instrs($v, $params, $air); + + # header + print $FH ".section .rosdata,\"a\"\n"; + + # song + print $FH "\t.global\tsongdata\n\nsongdata:\n"; + printf $FH "\t.byte\t0x%02x\n", (scalar $#$asr)+1; + print $FH map { sprintf "\t.byte\t0x%02x\n", ord $_ } + split //, pack 'B*', $psong, "\n"; + print $FH "songdata_end:\n"; + + # ptrtab for instruments + print $FH "\n.global\titab\n\nitab:\n"; + for my $iix ($$params{'BASE_INSTR'}..$#$pinss) { + printf $FH "\t.word\titab_$iix\n"; + } +# # lentab for instruments +# print $FH "\n.global\tilentab\n\nilentab:\n"; +# printf $FH "\t.byte\t0x%02x\n", $#$pinss - $$params{'BASE_INSTR'} + 1; +# for my $iix ($$params{'BASE_INSTR'}..$#$pinss) { +# printf $FH "\t.byte\t0x%02x\n", (length $$pinss[$iix])/8; +# } + for my $iix ($$params{'BASE_INSTR'}..$#$pinss) { +# print $FH "\nilentab_$iix:\n"; + print $FH "\nitab_$iix:\n"; + print $FH map { sprintf "\t.byte\t0x%02x\n", ord $_ } + split //, pack 'B*', $$pinss[$iix], "\n"; + } + + # ptrtab for instruments + print $FH "\n.global\tttab\n\nttab:\n"; + for my $iix ($$params{'BASE_TRACK'}..$#$ptrks) { + printf $FH "\t.word\tttab_$iix\n"; + } +# # lentab for tracks +# print $FH "\n.global\ttlentab\n\ntlentab:\n"; +# printf $FH "\t.byte\t0x%02x\n", $#$ptrks + 1; +# for my $iix ($$params{'BASE_TRACK'}..$#$ptrks) { +# printf $FH "\t.byte\t0x%02x\n", (length $$ptrks[$iix])/8; +# } + for my $iix ($$params{'BASE_TRACK'}..$#$ptrks) { +# print $FH "\ntlentab_$iix:\n"; + print $FH "\nttab_$iix:\n"; + print $FH map { sprintf "\t.byte\t0x%02x\n", ord $_ } + split //, pack 'B*', $$ptrks[$iix], "\n"; + } +} + + sub packheadout($$$$$$) { my ($FH, $v, $params, $asr, $atr, $air) = @_; @@ -635,7 +690,8 @@ if (defined $TRACKOUTF) { } if (defined $PACKOUTF) { - die "Also need --headout" if not defined $HEADOUTF; + die "Also need --headout" + if not defined $HEADOUTF and $PACKVER < 1; die "Too many input channels" if $$iverpar{'channels'} > $$overpar{'NR_CHAN'}; @@ -644,12 +700,18 @@ if (defined $PACKOUTF) { die "Too many tracks!" if $#$atr > 2**$$overpar{'PACKSIZE_SONGTRACK'}-1; - open PACKOUT,">$PACKOUTF" or die "Can't open $PACKOUTF: $!"; - packout(*PACKOUT, $iverpar, $overpar, $asr, $atr, $air); - close PACKOUT; + if ($PACKVER < 1) { + open PACKOUT,">$PACKOUTF" or die "Can't open $PACKOUTF: $!"; + packout(*PACKOUT, $iverpar, $overpar, $asr, $atr, $air); + close PACKOUT; - open HEADOUT,">$HEADOUTF" or die "Can't open $HEADOUTF: $!"; - packheadout(*HEADOUT, $iverpar, $overpar, $asr, $atr, $air); - close HEADOUT; + open HEADOUT,">$HEADOUTF" or die "Can't open $HEADOUTF: $!"; + packheadout(*HEADOUT, $iverpar, $overpar, $asr, $atr, $air); + close HEADOUT; + } else { + open PACKOUT,">$PACKOUTF" or die "Can't open $PACKOUTF: $!"; + packout_new(*PACKOUT, $iverpar, $overpar, $asr, $atr, $air); + close PACKOUT; + } } diff --git a/target/main.c b/target/main.c index 258a3e3..6438957 100644 --- a/target/main.c +++ b/target/main.c @@ -1,3 +1,5 @@ +#include + #include #include #include @@ -19,11 +21,13 @@ u8 trackwait; u8 trackpos; u8 playsong; u8 songpos; +u8 songlen; u32 noiseseed = 1; u8 light[2]; + /* The layout of this structure is known to assembler */ volatile struct oscillator { u16 freq; @@ -34,19 +38,23 @@ volatile struct oscillator { } osc[NR_CHAN]; struct unpacker { - u16 nextbyte; + u8* nextbyte; u8 buffer; u8 bits; + // XXX RAMPACKS + // 0x80 : PGM(1) vs RAM(0) + // 0x07 : bits remaining in buffer }; struct channel { struct unpacker trackup; + u8 flags; u8 tnum; s8 transp; u8 tnote; - u8 lastinstr; - u8 inum; - u16 iptr; + u8* ilast; + u8* iptr; + u8 ioff; u8 iwait; u8 inote; s8 bendd; @@ -60,12 +68,11 @@ struct channel { u16 slur; } channel[NR_CHAN]; -u16 resources[16 + MAXTRACK]; - struct unpacker songup; +extern u8* itab[] __ATTR_PROGMEM__; +extern u8* ttab[] __ATTR_PROGMEM__; extern u8 songdata[] __ATTR_PROGMEM__; -#define readsongbyte(x) pgm_read_byte_near(&songdata[x]); /* This is the AVR-LIBC standard dance for disabling the WDT */ static uint8_t mcusr_mirror __attribute__ ((section (".noinit"))); @@ -80,16 +87,29 @@ extern u8 songdata[] __ATTR_PROGMEM__; wdt_disable(); } -static void initup(struct unpacker *up, u16 offset) { - up->nextbyte = offset; +static void initup(struct unpacker *up, u8 *ptr) { + up->nextbyte = ptr; up->bits = 0; } static u8 readbit(struct unpacker *up) { u8 val; +#if 0 + /* XXX RAMPACKS If we have RAM packs, use this instead */ + if(!(up->bits & 0x7)) { + up->buffer = + (up->bits & 0x80) + ? pgm_read_byte_near(up->nextbyte) + : *up->nextbyte; + up->nextbyte++; + up->bits |= 7; + } else { + up->bits--; + } +#endif if(!up->bits) { - up->buffer = readsongbyte(up->nextbyte++); + up->buffer = pgm_read_byte_near(up->nextbyte++); up->bits = 8; } @@ -100,7 +120,7 @@ static u8 readbit(struct unpacker *up) { return val; } -u16 readchunk(struct unpacker *up, u8 n) { +static u16 readchunk(struct unpacker *up, u8 n) { u16 val = 0; u8 i; @@ -113,24 +133,22 @@ u16 readchunk(struct unpacker *up, u8 n) { return val; } -static void readinstr(u8 num, u8 pos, u8 *dest) { - u16 base = resources[num]; - - u8 s0 = readsongbyte(base + pos + pos/2 + 0); - u8 s1 = readsongbyte(base + pos + pos/2 + 1); - if(pos & 1) { - dest[0] = s0 >> 4; - dest[1] = s1; - } else { - dest[0] = s1 & 0xF; - dest[1] = s0; - } +static void readinstr_pgm(u8* base, u8 pos, u8 *dest) { + u8 s0 = pgm_read_byte_near(base + pos + pos/2 + 0); + u8 s1 = pgm_read_byte_near(base + pos + pos/2 + 1); + if(pos & 1) { + dest[0] = s0 >> 4; + dest[1] = s1; + } else { + dest[0] = s1 & 0xF; + dest[1] = s0; + } } static void runcmd(u8 ch, u8 cmd, u8 param) { switch(cmd) { case CMD_ISTOP: - channel[ch].inum = 0; + channel[ch].iptr = NULL; break; case CMD_DUTY: osc[ch].duty = param << 8; @@ -142,7 +160,7 @@ static void runcmd(u8 ch, u8 cmd, u8 param) { channel[ch].inertia = param << 1; break; case CMD_IJUMP: - channel[ch].iptr = param; + channel[ch].ioff = param; break; case CMD_BENDD: channel[ch].bendd = param; @@ -175,7 +193,7 @@ static void runcmd(u8 ch, u8 cmd, u8 param) { } } -static void playroutine() { +static void playtrack() { u8 ch; if(playsong) { @@ -186,24 +204,31 @@ static void playroutine() { if(!trackpos) { if(playsong) { - if(songpos >= SONGLEN) { + if(songpos >= songlen) { playsong = 0; + light[1] = 0xFF; } else { for(ch = 0; ch < NR_CHAN; ch++) { u8 gottransp; u8 transp; + u8 ntnum; gottransp = readchunk(&songup, 1); - channel[ch].tnum = readchunk(&songup, PACKSIZE_SONGTRACK); + ntnum = readchunk(&songup, PACKSIZE_SONGTRACK); if(gottransp) { transp = readchunk(&songup, PACKSIZE_SONGTRANS); if(transp & 0x8) transp |= 0xf0; } else { transp = 0; } + channel[ch].tnum = ntnum; channel[ch].transp = (s8) transp; + if(channel[ch].tnum) { - initup(&channel[ch].trackup, resources[16 + channel[ch].tnum - 1]); + initup(&channel[ch].trackup, + (u8*) pgm_read_word_near( + &ttab[channel[ch].tnum-1])); + // XXX TINDR } } songpos++; @@ -227,7 +252,10 @@ static void playroutine() { if(fields & 2) instr = readchunk(&channel[ch].trackup, PACKSIZE_TRACKINST); if(note) { channel[ch].tnote = note + channel[ch].transp; - if(!instr) instr = channel[ch].lastinstr; + if(!instr) { + channel[ch].iptr = channel[ch].ilast; + goto instr_common; + } } if(instr) { if(instr == 2) light[1] = 5; @@ -240,9 +268,12 @@ static void playroutine() { if(instr == 7) { light[0] = light[1] = 30; } - channel[ch].lastinstr = instr; - channel[ch].inum = instr; - channel[ch].iptr = 0; + channel[ch].ilast + = channel[ch].iptr + = (u8*) pgm_read_word_near(&itab[instr-1]); + // XXX IINDR +instr_common: + channel[ch].ioff = 0; channel[ch].iwait = 0; channel[ch].bend = 0; channel[ch].bendd = 0; @@ -269,17 +300,22 @@ static void playroutine() { } } } +} + +static void updateinstruments() { + u8 ch; for(ch = 0; ch < NR_CHAN; ch++) { s16 vol; u16 duty; u16 slur; - while(channel[ch].inum && !channel[ch].iwait) { + while(channel[ch].iptr && !channel[ch].iwait) { u8 il[2]; - readinstr(channel[ch].inum, channel[ch].iptr, il); - channel[ch].iptr++; + // XXX RAMPACKS + readinstr_pgm(channel[ch].iptr, channel[ch].ioff, il); + channel[ch].ioff++; runcmd(ch, il[0], il[1]); } @@ -336,16 +372,26 @@ static void playroutine() { } void initresources() { - u8 i; - struct unpacker up; + songlen = pgm_read_byte_near(&songdata[0]); + initup(&songup, &songdata[1]); +} - initup(&up, 0); - for(i = 0; i < 16 + MAXTRACK; i++) { - resources[i] = readchunk(&up, PACKSIZE_RESOURCE); +#if 0 +XXX MULTISONG TINDR IINDR +void initsongtabs(u8 idx) { + int i; + u16 songbase = pgm_read_byte_near(&songaddrs[idx]); + u8 ni = pgm_read_byte_near(songbase++) & 0xF; + for (i = 0; i < ni; i++) { + iindr[i] = pgm_read_byte_near(songbase++); } - - initup(&songup, resources[0]); + u8 nt = pgm_read_byte_near(songbase++) & 0x3F; + for (i = 0; i < nt; i++) { + tindr[i] = pgm_read_byte_near(songbase++); + } + initup(&songup, songbase); } +#endif void initsong() { timetoplay = 0; @@ -355,24 +401,59 @@ void initsong() { songpos = 0; osc[0].volume = 0; - channel[0].inum = 0; + channel[0].iptr = NULL; osc[1].volume = 0; - channel[1].inum = 0; + channel[1].iptr = NULL; osc[2].volume = 0; - channel[2].inum = 0; + channel[2].iptr = NULL; osc[3].volume = 0; - channel[3].inum = 0; + channel[3].iptr = NULL; +} + +static void soundirqon() { + TCCR0A = 0x02; + TCCR0B = T0DIV & 0x7; + OCR0A = T0MAX; + TIMSK0 |= (1 << OCIE0A); } +static void soundirqoff() { + TIMSK0 &= ~(1 << OCIE0A); +} + +static void hwouton() { +#ifdef TARGET_AUDIO_PORT + TARGET_AUDIO_DDR = 0xff; + TARGET_AUDIO_PORT = 0; +#endif + +#ifdef TARGET_AUDIO_PWM_OC2B + TCCR2A = (1 << COM2B1) | (1 << WGM21) | (1 << WGM20); + TCCR2B = (1 << CS20); + OCR2B = 0; + TARGET_AUDIO_PWM_OC2B_DDR |= (1 << TARGET_AUDIO_PWM_OC2B_PIN); +#endif +} + +static void hwoutoff() { +#ifdef TARGET_AUDIO_PORT + TARGET_AUDIO_DDR = 0x00; +#endif + +#ifdef TARGET_AUDIO_PWM_OC2B + TARGET_AUDIO_PWM_OC2B_DDR &= ~(1 << TARGET_AUDIO_PWM_OC2B_PIN); +#endif +} + +int main() __attribute__((naked,noreturn)); int main() { asm("cli"); CLKPR = 0x80; CLKPR = 0x80; +#ifdef TARGET_LIGHT_PORT TARGET_LIGHT_DDR = TARGET_LIGHT_ZERO | TARGET_LIGHT_ONE; - TARGET_AUDIO_DDR = 0xff; - - TARGET_AUDIO_PORT = 0; +#endif initsong(); initresources(); @@ -383,19 +464,16 @@ int main() { TIMSK0 = 0x02; -#ifdef TARGET_AUDIO_PWM_OC2B - TCCR2A = (1 << COM2B1) | (1 << WGM21) | (1 << WGM20); - TCCR2B = (1 << CS20); - OCR2B = 0; - TARGET_AUDIO_PWM_OC2B_DDR |= (1 << TARGET_AUDIO_PWM_OC2B_PIN); -#endif + soundirqon(); + hwouton(); asm("sei"); for(;;) { while(!timetoplay); timetoplay--; - playroutine(); + playtrack(); + updateinstruments(); } } diff --git a/target/script.ld b/target/script.ld new file mode 100644 index 0000000..e683e26 --- /dev/null +++ b/target/script.ld @@ -0,0 +1,243 @@ +/* Default linker script, for normal executables */ +OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr") +OUTPUT_ARCH(avr:4) +MEMORY +{ + text (rx) : ORIGIN = 0 , LENGTH = 16K + rosdata (rx) : ORIGIN = 0x2000 , LENGTH = 16K + data (rw!x) : ORIGIN = 0x800100, LENGTH = 0xfe00 + eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K + fuse (rw!x) : ORIGIN = 0x820000, LENGTH = 1K + lock (rw!x) : ORIGIN = 0x830000, LENGTH = 1K + signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K +} +PHDRS +{ + headers PT_PHDR FILEHDR PHDRS ; 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