40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/*
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const fs = require('fs');
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function prg2bin(){
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let prg = fs.readFileSync("tetris_apple1.prg");
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prg = prg.slice(2);
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fs.writeFileSync("tetris_apple1.bin",prg);
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console.log("bin written");
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}
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*/
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const fs = require('fs');
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if(process.argv.length < 3) {
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console.log("usage: node mkeprom.js <inputdir> <outputfile>");
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console.log(" <inputdir> is the directory containing 'apple1_codeseg.bin' and 'apple1_dataseg.bin'");
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console.log(" <outputfile> is outfile binary eprom file ($4000-$7FFF)");
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process.exit(0);
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}
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let file_in = process.argv[2];
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let file_out = process.argv[3];
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let code = fs.readFileSync(`${file_in}/apple1_codeseg.bin`);
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let data = fs.readFileSync(`${file_in}/apple1_dataseg.bin`);
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let mem = new Uint8Array(65536).fill(0xAA);
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let code_address = 0x4000;
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let data_address = 0x8000-0x7ff-0x280+1;
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for(let i=0;i<code.length;i++) mem[code_address+i] = code[i];
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for(let i=0;i<data.length;i++) mem[data_address+i] = data[i];
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let prg = mem.slice(0x4000,0x8000);
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fs.writeFileSync(file_out, prg);
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console.log(`bindump: written to ${file_out}`);
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