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reading and eval()ing file using dos kernel

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This commit is contained in:
minjaesong
2020-10-29 17:27:09 +09:00
parent 85e65e1bba
commit 4d4b698807
3 changed files with 44 additions and 20 deletions
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22
assets/serialtest.js
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File diff suppressed because one or more lines are too long

6
assets/tvdos/TVDOS.SYS
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@@ -38,14 +38,14 @@ filesystem.open = function(driveLetter, path, operationMode) {
}
com.sendMessage(port[0], "OPEN"+mode+'"'+path+'",'+port[1]);
let response = com.getStatusCode();
let response = com.getStatusCode(port[0]);
return (response == 0);
};
// @return the entire contents of the file in String
filesystem.readAll = function() {
filesystem.readAll = function(driveLetter) {
let port = filesystem._toPorts(driveLetter);
com.sendMessage(port[0], "READ");
let response = com.getStatusCode();
let response = com.getStatusCode(port[0]);
if (response < 0 || response >= 128) {
let status = com.getDeviceStatus(port[0]);
throw Error("Reading a file failed with "+status.code+": "+status.message);

36
src/net/torvald/tsvm/peripheral/TestDiskDrive.kt
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@@ -14,6 +14,7 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
const val STATE_CODE_FILE_NOT_FOUND = 129
const val STATE_CODE_FILE_ALREADY_OPENED = 130
const val STATE_CODE_OPERATION_NOT_PERMITTED = 131
const val STATE_CODE_READ_ONLY = 132
const val STATE_CODE_SYSTEM_IO_ERROR = 192
@@ -43,6 +44,7 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
private val rootPath = File("test_assets/test_drive_$driveNum")
private var fileOpen = false
private var fileOpenMode = -1 // 1: 'W", 2: 'A'
private var file = File(rootPath.toURI())
//private var readModeLength = -1 // always 4096
private var writeMode = false
@@ -103,7 +105,21 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
*/
override fun writeoutImpl(inputData: ByteArray) {
if (writeMode) {
if (!fileOpen) throw InternalError("File is not open but the drive is in write mode")
inputData.forEach {
if (writeModeLength > 0) {
//writeBuffer.write(it.toInt())
//writeModeLength -= 1
file.writeBytes(inputData.sliceArray(0 until writeModeLength))
writeModeLength = 0
}
}
if (writeModeLength <= 0) {
writeMode = false
//writeBuffer.reset()
}
}
else {
val inputString = trimNull(inputData).toString(VM.CHARSET)
@@ -111,6 +127,7 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
if (inputString.startsWith("DEVRST\u0017")) {
//readModeLength = -1
fileOpen = false
fileOpenMode = -1
file = File(rootPath.toURI())
blockSendCount = 0
statusCode = STATE_CODE_STANDBY
@@ -163,6 +180,11 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
statusCode = STATE_CODE_STANDBY
fileOpen = true
fileOpenMode = when (openMode) {
'W' -> 1
'A' -> 2
else -> -1
}
blockSendCount = 0
}
else if (inputString.startsWith("LIST")) {
@@ -173,6 +195,7 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
}
else if (inputString.startsWith("CLOSE")) {
fileOpen = false
fileOpenMode = -1
statusCode = STATE_CODE_STANDBY
}
else if (inputString.startsWith("READ")) {
@@ -193,6 +216,19 @@ class TestDiskDrive(private val driveNum: Int) : BlockTransferInterface(false, t
return
}
}
else if (inputString.startsWith("WRITE")) {
if (!fileOpen || fileOpenMode < 0) {
statusCode = STATE_CODE_OPERATION_NOT_PERMITTED
return
}
if (!file.canWrite()) {
statusCode = STATE_CODE_READ_ONLY
return
}
writeMode = true
writeModeLength = inputString.substring(5, inputString.length).toInt()
statusCode = 0
}
}
}