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convert count to an unsigned value

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SuperMaxusa 2025-09-05 20:48:19 +03:00 • committed by Fabian
parent 3830424c4e
commit 95ca55d943
1 changed files with 2 additions and 0 deletions
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2
src/ide.js
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@ -1647,6 +1647,7 @@ IDEInterface.prototype.atapi_read = function(cmd)
// Note: Big Endian
var lba = cmd[2] << 24 | cmd[3] << 16 | cmd[4] << 8 | cmd[5];
var count = cmd[0] === ATAPI_CMD_READ_12 ? (cmd[6] << 24 | cmd[7] << 16 | cmd[8] << 8 | cmd[9]) : (cmd[7] << 8 | cmd[8]);
count >>>= 0;
var flags = cmd[1];
var byte_count = count * this.sector_size;
var start = lba * this.sector_size;
@ -1732,6 +1733,7 @@ IDEInterface.prototype.atapi_read_dma = function(cmd)
// Note: Big Endian
var lba = cmd[2] << 24 | cmd[3] << 16 | cmd[4] << 8 | cmd[5];
var count = cmd[0] === ATAPI_CMD_READ_12 ? (cmd[6] << 24 | cmd[7] << 16 | cmd[8] << 8 | cmd[9]) : (cmd[7] << 8 | cmd[8]);
count >>>= 0;
var flags = cmd[1];
var byte_count = count * this.sector_size;
var start = lba * this.sector_size;