Apple-1-Tools
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apple1-videocard-lib
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single tone wav generation for tape monitor

This commit is contained in:
nino-porcino 2022-01-18 15:19:03 +01:00
parent a8e97b5aa3
commit bf27aadbf6
2 changed files with 48 additions and 14 deletions
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44
demos/tapemon/packets_wav/mkpackets.js
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@ -1,24 +1,42 @@
const fs = require("fs");
const PACKETSIZE = 64;
function make_packets_bin(PACKETSIZE) {
let data = [];
for(let t=0;t<PACKETSIZE;t++) data.push(t);
let data = [];
for(let t=0;t<PACKETSIZE;t++) data.push(t);
let packet = [
0xff, 0xff, 0xff, 0xff, 0xfe, // header plus start bit
...data, // the actual data block
0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, // filler
]
let packet = [
0xff, 0xff, 0xff, 0xff, 0xfe, // header plus start bit
...data, // the actual data block
0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, // filler
]
let packets = [];
let packets = [];
for(let t=0;t<1000;t++) {
packets = [...packets, ...packet];
}
for(let t=0;t<1000;t++) {
packets = [...packets, ...packet];
let file = new Uint8Array(packets);
fs.writeFileSync(`packets_${PACKETSIZE}.bin`, file);
}
let file = new Uint8Array(packets);
make_packets_bin(32);
make_packets_bin(64);
make_packets_bin(128);
make_packets_bin(255);
function make_single_tone(data_byte) {
let data = [];
for(let t=0;t<128*1024;t++) data.push(data_byte);
let file = new Uint8Array(data);
fs.writeFileSync(`single_tone_${data_byte}.bin`, file);
}
make_single_tone(0);
make_single_tone(255);
fs.writeFileSync("packets.bin", file);

18
demos/tapemon/packets_wav/mw.bat
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@ -1,2 +1,18 @@
call node mkpackets
call node ../../../tools/wavconv/prg2wav.js -i packets.bin -o packets -b 00
call node ../../../tools/wavconv/prg2wav.js -i packets_32.bin -o packets_32 -b 00
call node ../../../tools/wavconv/prg2wav.js -i packets_64.bin -o packets_64 -b 00
call node ../../../tools/wavconv/prg2wav.js -i packets_128.bin -o packets_128 -b 00
call node ../../../tools/wavconv/prg2wav.js -i packets_255.bin -o packets_255 -b 00
del packets_32.bin
del packets_64.bin
del packets_128.bin
del packets_255.bin
call node ../../../tools/wavconv/prg2wav.js -i single_tone_0.bin -o single_tone_0 -b 00
call node ../../../tools/wavconv/prg2wav.js -i single_tone_255.bin -o single_tone_255 -b 00
del single_tone_0.bin
del single_tone_255.bin