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tvdos files append functions

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This commit is contained in:
minjaesong
2022-12-30 02:35:54 +09:00
parent 6afe0ee418
commit 34def419c1
3 changed files with 76 additions and 99 deletions
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78
assets/disk0/tvdos/bin/encodemov.js
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@@ -26,77 +26,12 @@ if (!outfilename) {
let outfile = files.open(_G.shell.resolvePathInput(outfilename).full)
const filesystem = {};
filesystem._toPorts = (driveLetter) => {
if (driveLetter.toUpperCase === undefined) {
throw Error("'"+driveLetter+"' (type: "+typeof driveLetter+") is not a valid drive letter");
}
var port = _TVDOS.DRIVES[driveLetter.toUpperCase()];
if (port === undefined) {
throw Error("Drive letter '" + driveLetter.toUpperCase() + "' does not exist");
}
return port
}
filesystem._close = (portNo) => {
com.sendMessage(portNo, "CLOSE")
}
filesystem._flush = (portNo) => {
com.sendMessage(portNo, "FLUSH")
}
filesystem.open = (driveLetter, path, operationMode) => {
var port = filesystem._toPorts(driveLetter);
filesystem._flush(port[0]); filesystem._close(port[0]);
var mode = operationMode.toUpperCase();
if (mode != "R" && mode != "W" && mode != "A") {
throw Error("Unknown file opening mode: " + mode);
}
com.sendMessage(port[0], "OPEN"+mode+'"'+path+'",'+port[1]);
return com.getStatusCode(port[0]);
}
filesystem.getFileLen = (driveLetter) => {
var port = filesystem._toPorts(driveLetter);
com.sendMessage(port[0], "GETLEN");
var response = com.getStatusCode(port[0]);
if (135 == response) {
throw Error("File not opened");
}
if (response < 0 || response >= 128) {
throw Error("Reading a file failed with "+response);
}
return Number(com.pullMessage(port[0]));
}
filesystem.write = (driveLetter, string) => {
var port = filesystem._toPorts(driveLetter);
com.sendMessage(port[0], "WRITE"+string.length);
var response = com.getStatusCode(port[0]);
if (135 == response) {
throw Error("File not opened");
}
if (response < 0 || response >= 128) {
throw Error("Writing a file failed with "+response);
}
com.sendMessage(port[0], string);
filesystem._flush(port[0]); filesystem._close(port[0]);
}
filesystem.writeBytes = (driveLetter, bytes) => {
var string = String.fromCharCode.apply(null, bytes); // no spreading: has length limit
filesystem.write(driveLetter, string);
}
function appendToOutfile(bytes) {
filesystem.open("A", outfilename, "A")
filesystem.writeBytes("A", bytes)
outfile.bappend(bytes)
}
function appendToOutfilePtr(ptr, len) {
filesystem.open("A", outfilename, "A")
dma.ramToCom(ptr, 0, len)
outfile.pappend(ptr, len)
}
// write header to the file
@@ -113,14 +48,13 @@ let headerBytes = [
let ipfFun = (IPFMODE == 1) ? graphics.encodeIpf1 : (IPFMODE == 2) ? graphics.encodeIpf2 : 0
if (!ipfFun) throw Error("Unknown IPF mode "+IPFMODE)
filesystem.open("A", outfilename, "W")
filesystem.writeBytes("A", headerBytes)
outfile.bwrite(headerBytes)
for (let f = 1; f <= TOTAL_FRAMES; f++) {
let fname = PATHFUN(f)
filesystem.open("A", fname, "R")
let fileLen = filesystem.getFileLen("A")
dma.comToRam(0, 0, infile, fileLen)
let framefile = files.open(_G.shell.resolvePathInput(fname).full)
let fileLen = framefile.size
framefile.pread(infile, fileLen)
let [_1, _2, channels, _3] = graphics.decodeImageTo(infile, fileLen, imagearea)